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SPECIFICATIONS
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MODEL
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7470
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7472
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7473
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7474
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Output Rating
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10KVAC/20mA
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12KVDC/10mA
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20KVAC/10mA
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20KVDC/5mA
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AC WITHSTAND VOLTAGE (7470&7473)
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Range
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Resolution
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Accuracy
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Output Voltage, ACV (for 7473)
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0 - 20000
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10
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±（2% of setting + 20V）
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Output Voltage, ACV (for 7470)
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0 - 10000
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10
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±（2% of setting + 10V）
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Output Frequency
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50Hz/60Hz ±100ppm, 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 + 10V), From no load to full load
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SETTINGS
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Hi / Lo -Limit AC Current, mA (for 7473)
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0 - 9.999
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0.001
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±（2% of setting + 2counts）
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Hi / Lo -Limit AC Current, mA (for 7470)
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0 - 9.999/10.00 - 20.00
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0.001/0.01
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±（2% of setting + 2counts）
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Ramp Up Time, second
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0.3 - 999.9
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0.1
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±（0.1% + 0.05sec）
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Ramp Down Time, second
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0.0 - 999.9
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0.1
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Dwell Time
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0, 0.3 - 999.9 sec (0=continuous)
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0.1
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0, 0.1 - 999.9 min (0=continuous)
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0.1
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0, 0.1 - 999.9 hr (0=continuous)
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0.1
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Cycle Test
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0 - 9999 Times, (0=continuous)
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Arc Detection
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Range 1 - 7 > 15kV , Range 1 - 9 < 15kV
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AC Current Offset, mA
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0 - 2.000 or Auto Set ( Option )
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MEASUREMENT
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AC Voltage, KV (for 7473)
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0 - 20.00
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0.01
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±（2% of reading + 2counts）
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AC Voltage, KV (for 7470)
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0 - 10.00
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0.01
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±（2% of reading + 2counts）
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AC Current Range, mA
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0-3.500
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0.001
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±（2% of reading + 3counts）
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3.00-10.00 (for 7473)
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0.01
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3.00-20.00 (for 7470)
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0.01
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DC WITHSTAND VOLTAGE (7472&7474)
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Output Voltage, DCV (for 7474)
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0 - 20000
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10
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±（2% of setting + 20V）
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Output Voltage, DCV (for 7472)
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0 - 12000
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10
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±（2% of setting + 10V）
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Output Ripple
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<5%（在20KV/5000μA for 7474, 12KV/9999μA at Resistive Load for 7472）
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SETTINGS
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Hi / Lo -Limit DC Current, μA (for 7474)
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0.0 - 999.9/1000 - 5000
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0.1/1
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±（2% of setting + 2counts）
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Hi / Lo -Limit DC Current, μA (for 7472)
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0.0 - 999.9/1000 - 9999
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0.1/1
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±（2% of setting + 2counts）
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Ramp Up Time, second
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0.4 - 999.9
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0.1
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±（0.1% + 0.05sec）
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Ramp Down Time, second
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0.0,1.0 - 999.9
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0.1
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Dwell Time
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0, 0.4 - 999.9 sec (0=continuous)
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0.1
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0, 0.1 - 999.9 min (0=continuous)
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0.1
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0, 0.1 - 999.9 hr (0=continuous)
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0.1
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Cycle Test
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0 - 9999 Times, (0=continuous)
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Arc Detection
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Range 1 - 9 (9 is the most sensitivity)
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DC Current Offset, μA
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0.0 - 200.0 or Auto Set (Option )
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Ramp High Current
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ON/OFF, User Selection
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Charge - Low Current, μA
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0.0 - 350.0 or Auto Set
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Discharge Time
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< 200 msec
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Maximum Capacitive Load
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1.5μF < 2KV 0.15μF < 8KV 0.12μF < 14KV 0.08μF < 20KV
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0.28μF < 4KV 0.15μF < 10KV 0.1μF < 16KV
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0.18μF < 6KV 0.12μF < 12KV 0.08μF < 18KV
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MEASUREMENT
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DC Voltage, KV (for 7474)
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0 - 20.00
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0.01
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±（1.5% of reading + 2count）
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DC Voltage, KV (for 7472)
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0 - 10.00
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0.01
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±（1.5% of reading + 2count）
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DC Current Range, μA
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0-350.0
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0.1
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± (2% of reading + 3counts)
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300-3500
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1
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3000 - 5000 (for 7474)
3000-9999 (for 7472)
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10
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GENERAL
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Input Voltage AC
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115/230VAC ± 15% , 50/60Hz ± 5% Fuse: 6.3A Slow
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PLC Remote Control
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Input : Test , Reset , Memory1.2.3 ,Interlock
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Output : Pass , Fail , Processing
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Safety
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Smart-GFI Function (<1mA)
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Memory
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50 memories
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Display
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20*2 LCD with back light
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Key Lock
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To prevent unauthorized alteration of the test Parameters
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Calibration
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Build-in software and external calibrated meters
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Interface
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RS232/GPIB /Printer Card (Option)
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Alarm Volume Setting
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10 ranges set by the numeric keys on the front panel
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Environment
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0-40℃, 20-80%RH
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Dimension
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430mm(W)×133mm(H)×400mm(D)
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Net Weight
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24Kg
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24Kg
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22.5Kg
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23Kg
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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 (1142)
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-
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-
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×1
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×1
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Hipot Test Lead ,1.5m (1143)
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×1
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×1
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-
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-
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Hipot Return Lead ,1.8m (1144)
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×1
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×1
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×1
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×1
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