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SPECIFICATIONS
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AC WITHSTAND VOLTAGE
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Range
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Resolution
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Accuracy
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Output Voltage, ACV
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0-5000
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1
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± (2% of setting + 5V)
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Output Frequency
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50Hz/60Hz ±0.1%, User Selection
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Output Waveform
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Sine Wave ,THD.<2% (Resistive Load), Crest Factor = 1.3 - 1.5
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Output Regulation
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± (1% of output + 5V), From no load to full load
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SETTINGS
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HI and LO-Limit (Total), current, mA
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0.000-9.999 (0=OFF)
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0.001
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± (2% of setting + 2 counts)
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10.00-40.00
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0.01
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HI and LO-Limit (Real), current, mA
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0.000-9.999
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0.001
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± (3% of setting + 50μA)
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10.00-40.00
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0.01
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Ramp-Up Timer, second
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0.1 - 999.9
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0.1
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± (0.1% + 0.05 sec)
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Ramp-Down Timer, second
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0.0-999.9
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Dwell Timer, second
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0, 0.4 - 999.9
(0=continuous)
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Ground Continuity
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Current: DC 0.1 A ± 0.01A, fixed
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Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed
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Arc Detection
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1 - 9 ranges (9 is the most sensitivity)
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DC WITHSTAND VOLTAGE
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Output Voltage, DCV
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0 -5000
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1
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± (2% of setting + 5V)
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DC Output Ripple
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<4 %（5KV/20mA at Resistive Load）
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SETTINGS
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HI and LO-Limit, current, μA
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0.0 - 999.9
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0.1
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± (2% of setting + 2 counts)
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1000 - 20000
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1
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Ramp-Up Timer, second
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0.4 - 999.9
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0.1
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± (0.1% + 0.05 sec)
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Ramp-Down Timer, second
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0.0, 1.0-999.9
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Dwell Timer, second
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0, 0.3 - 999.9
(0=continuous)
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Ramp-HI, current
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>20 mA peak maximum, ON/OFF User Selection
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Charge-LO, current
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0.0 - 350.0 μA DC or Auto Set
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Discharge Time
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≦ 200 msec
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Maximum Capacitive Load
DC Mode
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1μF < 1KV 0.08μF < 4KV
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0.75μF < 2KV 0.04μF < 5KV
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0.5μF < 3KV
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Ground Continuity
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Current: DC 0.1 A ± 0.01A, fixed
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Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed
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Arc Detection
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1 - 9 ranges (9 is the most sensitivity)
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INSULATION RESISTANCE
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Output Voltage, DCV
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50 - 1000
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1
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± (2% of setting + 2 counts)
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Charging Current
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Maximum >20mApeak
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SETTINGS
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HI and LO-Limit, resistance, MΩ
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0.05 - 99.99
(HI – Limit: 0 = OFF)
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0.01
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Same as Resistance MEASUREMENT Accuracy
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100.0-999.9
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0.1
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1000-50000
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1
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± (0.1% + 0.05 sec)
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Ramp-Up Timer, second
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0.1 – 999.9
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0.1
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Ramp-Down Timer, second
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0=OFF, 1.0-999.9
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Delay Timer, second
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0, 1.0 - 999.9
(0=continuous)
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Charge-LO, current, μA
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0.000 - 3.500 or Auto Set
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GROUND BOND
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Output AC Current, A(7742 )
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1.00 – 40.00
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0.01
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± (2 % of setting + 2 counts)
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Output Voltage, Vac
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3.00 – 8.00
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0.01
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± (2 % of setting + 3 counts)
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Output Frequency, Hz
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50Hz/60Hz ±0.1%, User Selection
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Output Regulation
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± (1% of output + 0.02A), Within maximum load limits, and over input voltage range.
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Maximum Loading
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1.00–10.00A/0–600mΩ, 10.01–30.00A/0–200mΩ, 30.01–40.00A/0–150mΩ
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SETTINGS
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Lead Resistance Offset, mΩ
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0-200
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1
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1.00-2.99A,± (3 % of setting + 3 counts )
3.00 - 30A,± (2 % of setting + 2 counts )
3.00 - 40A,± (2 % of setting + 2 counts )
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HI and LO-Limit Resistance, mΩ
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0 – 150 (30.01-40.00A)
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1
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0 – 200 (10.01-30.00A)
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0 – 600 (1-10.00A)
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Dwell Timer, second
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0, 0.5 - 999.9
(0 = continuous)
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0.1
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± (0.1% + 0.05 sec)
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ConTINUITY TEST
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Output Current, DC
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0.1A ± 0.01A, fixed
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SETTINGS
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Lead Resistance Offset, Ω
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0.00-2.00
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0.01
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± (3% of setting+2 counts)
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HI and LO-Limit, Resistance, Ω
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0.00 – 10.00 (0=OFF)
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Dwell Timer, second
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0,0.3-999.9
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0.1
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± (0.1% + 0.05 sec)
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Opt.734 (0 - 10kΩ)
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Output Current
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DC 0.1A ± 0.01A,Max.
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SETTINGS
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Max-Lmt, Ω
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0.00 – 9.99
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0.01
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± (1% of setting+5 counts)
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10.0 – 99.9
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0.1
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± (1% of setting+2 counts)
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100 – 999
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1
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1000 – 9999
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1
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Min-Lmt, Ω
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0.00 – 9.99
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0.01
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± (1% of setting+5 counts)
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10.0 – 99.9
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0.1
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± (1% of setting+2 counts)
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100 – 999
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1
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1000 – 9999
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1
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Dwell Timer, second
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0.0, 0.3 – 999.9
(0 = continuous)
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0.1
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± (0.1% + 0.05 sec)
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Resistance Offset, Ω
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0.00 – 2.00
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0.01
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± (1 % of reading + 5 counts)
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MEASUREMENT
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Range
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Resolution
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Accuracy
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Voltage, KV(AC/DC)
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0.00-5.00
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0.01
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± (1.5 % of reading +1 count)
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Voltage, Vdc (IR only)
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0-1000
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1
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± (1.5% of reading + 2 counts)
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AC Current (Total), mA
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0.000-3.500
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0.001
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± (2% of reading + 2 counts)
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3.00-40.00
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0.01
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AC Current (Real), mA
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0.000-9.999
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0.001
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± (3% of reading + 50?A)
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10.00-40.00
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0.01
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All Ranges PF > 0.1 , V > 250VAC
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DC Current, μA
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0.0 - 350.0
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0.1
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± (2% of reading + 2 counts)
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DC Current, mA
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0.300 – 3.500
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0.001
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3.00-20.00
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0.01
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AC Current, A (G.B for 7742 only)
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0.00-40.00
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0.01
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± (3 % of reading + 3 counts)
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Resistance, MΩ (IR)
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50-499V / 500-1000V
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50 – 499V0.05–999.9, ±(7% of reading+2 counts)
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0.050-1.999 / 0.050-9.999
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0.001
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500 – 1000V
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2.00-19.99 / 0.050-9.999
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0.01
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0.10–999.9, ±(2% of reading+2 counts)
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20.0-199.9 / 100.0-999.9
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0.1
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1000–9999, ±(5% of reading+2 counts)
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200-50000 / 1000-50000
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1
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10000–50000, ±(15% of reading+2 counts)
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Resistance, mΩ (GB)
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0-600
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1
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1.00 – 2.99 A, ± (3 % of reading + 3 counts)
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3.00 – 40.00 A, ± (2 % of reading + 2 counts)
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Resistance, Ω (Continuity)
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0.00-10.00
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0.01
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± (3 % of reading + 2 counts)
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Resistance, Ω (Continuity) Opt.734
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0.00 – 9.99
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0.01
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± (1% of reading+5 counts)
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10.0 – 99.9
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0.1
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± (1% of reading+2 counts)
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100 – 999
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1
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1000 – 9999
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1
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GENERAL
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Input Voltage AC
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115/230Vac±15%, 50/60Hz ± 5%, Fuse 10A/250V Slow-Blow for 7742 Model
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PLC Remote Control
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Input : Test, Reset, Interlock, Recall File 1 through 10
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Output:- Pass, Fail, Test-in-Process
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Memory
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50 memories, 30 steps/memory
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Graphic Display
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320 x 240 Monographic LCD, 9 ranges contrast setting
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Safety
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Built-in Smart GFI circuit,GFI trip current 450μA max, HV shut down speed: <1mS
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Interface
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Standard RS232,Optional GPIB (IEEE-488.2),Multi-function Interface Card,Ethernet Card.
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Security
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Programmable password lockout capability to avoid unauthorized access to test set-up program.
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Alarm Volume Setting
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Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume.
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Calibration
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Software and adjustments are made through the front panel. Automatic Calibration alert function to signal operator when re-calibration is due.
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Environment
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0-40℃, 20-80%RH
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Dimensions/Net Weight
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430mm(W)×133mm(H)×500 mm(D)/30Kg for MODEL 7742
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STANDARD ACCESSORIES
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Power Cord(10A)
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×1
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Fuses
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×2 (Including a spare contained in the fuse holder)
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Interlock Disable Key(1505)
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×1
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Hipot Test Lead ,1.5m(1101)
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×1
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Ground Bond Test Lead 40A
,1.6m(1137)
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×1
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Ground Bond Return Lead 40A
,1.6m(1138)
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×1
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RS232 link Cable 1.5m(1130)
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×1
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MATRIX SCANNER MODULE (Opt.736 for 7742)
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High Voltage Rating
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5KVAC/5KVDC
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High Current Rating
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40 A
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Number of HV Channel
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8
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Number of HA Channel
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8
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RUN TEST MODULE (Opt.738,Opt.739 for 7742)
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MEASUREMENT
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Range
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Resolution
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Accuracy
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Voltage, Vac
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00.-277.0
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0.1
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± (1.5% of reading +2counts), 30.0-277.0V
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Current, Aac
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0.00-15.00
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0.01
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± (2.0% of reading + 2counts)
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Power, Watts
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0-4200
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1
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± (5% of reading + 3 counts)
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Power, Factor
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0.000-1.000
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0.001
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± (8% of reading + 2 counts)
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Leakage Current, mA
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0.00-10.00
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0.01
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± (2% of reading + 2 counts)
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MD Circuit
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Leakage Current measuring resistance = 2KΩ±1%
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Timer, second
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0.0-999.9
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0.1
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± (0.1% of reading + 0.05 sec)
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SETTINGS
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HI and LO Limit AC Voltage, V
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0.0-277.0
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0.1
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± (1.5% of setting + 0.2 V), 30.0-277V
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HI and LO Limit AC Current, A
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0.00-15.00
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0.01
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± (2.0% of setting + 2 counts)
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HI and LO Limit AC Power, W
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0 - 4200
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1
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± (5.0% of setting + 3 counts)
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HI and LO Limit Power Factor
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0.000-1.000
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0.001
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± (8% of setting + 2 counts)
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HI and LO Limit Leakage Current
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0.00-10.00, Hi-Limit 0=OFF
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0.01
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± (2% of setting + 2 counts)
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Delay Time, second
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0.2-999.9
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0.1
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± (0.1% + 0.05 sec)
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Dwell Time, second
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0, 0.1-999.9 (0=continuous)
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Cold Resistance
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0~10KΩ
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DUT POWER
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AC Voltage
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0 - 277.0V, Single phase unblance, 0 - 15.0A maximum
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Power Rating
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4200 W maximum
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DUT Protection
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Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec
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STANDARD ACCESSORIES
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Power Cord(1)
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×1
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LLT Receptacle Adaptor Box 20A ,1.6m(1905)
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×1
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LINE LEAKAGE TEST MODULE (Opt.739 for 7742)
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CURRENT MEASUREMENT
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Frequency Range
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DC-1MHz
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Leakage Current Range (RMS)
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Resolution
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Accuracy (DC-100KHz)
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Accuracy ( >100KHz to 1 MHz)
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0.0μA - 999.9μA
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0.1μA
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±(1.5% of reading + 3counts)
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±(5% of reading + 5μA)
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1000μA - 6000μA
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1μA
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±(1.5% of reading + 3counts)
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Leakage Current Range (Peak), Opt.739 only
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Resolution
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Accuracy (DC-100KHz)
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Accuracy ( >100KHz to 1 MHz)
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0.0μA - 999.9μA
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0.1μA
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±(10% of reading + 2μA)
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±(10% of reading + 2μA)
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1000μA - 6000μA
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1μA
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LINE VOLTAGE MEASUREMENT
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Range
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0.0-277.0 VAC
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Resolution
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0.1 V
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Accuracy
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± (1.5% of reading +0.2V), 30.0-277.0V
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DUT
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DUT Input Power Rating
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0-277V,AC@ 1ac max
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DUT Protection
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Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec
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SETTINGS
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High/Low Limit, μA
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Range 0.0 - 6000μA(0=OFF) , Resolution 0.1μA
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Delay Time, second
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Range 0, 1.0-999.9 (0=continuous), Resolution 0.1second
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Compliance Standards
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A UL544 Non Patient, UL484, IEC60598, UL1363
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B UL544 Patient Care
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C UL2601-1, IEC60601-1, EN60601-1
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D UL1563
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E UL60950, IEC60950, IEC61010-1, IEC60335-1, IEC60990 Fig4 U2
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F IEC60990 Fig5 U3
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G IEC60990 Fig3 U1
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MD A - G components
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Accuracy: Resistance ± 1% Capacitor ± 5%
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MD Voltage Limit
|
Maximum 30V peak or 30VDC
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STANDARD ACCESSORIES
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Hipot Return Lead ,1.8m(1102)
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×2
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*product specifications are subject to change without notice.
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梁經(jīng)理(先生) 經(jīng)理 （來電時請說是從給覽網(wǎng)看到我的)
免責(zé)聲明：以上所展示的[7742 Extech 7742]信息由會員[深圳市深東金儀器有限公司]自行提供，內(nèi)容的真實(shí)性、準(zhǔn)確性和合法性由發(fā)布會員負(fù)責(zé)。
