7472 DC 12KV耐壓測(cè)試儀，20×2 點(diǎn)矩陣LCD 顯示器，內(nèi)含智能型防高壓觸電裝置Smart GFI(磚利: 169000)，全范圍輸出穩(wěn)壓率可達(dá)1%，內(nèi)建50組程序記憶；記憶組間可進(jìn)行連結(jié)測(cè)試，內(nèi)建遠(yuǎn)程控制界面，鍵盤(pán)鎖定功能，可選購(gòu)界面GPIB,RS232或Printer Card。

SPECIFICATIONS

MODEL

7470

7472

7473

7474

Output Rating

10KVAC/20mA

12KVDC/10mA

20KVAC/10mA

20KVDC/5mA

AC WITHSTAND VOLTAGE (7470&7473)

 	
Range

Resolution

Accuracy

Output Voltage, ACV (for 7473)

0 - 20000

10

±（2% of setting + 20V）

Output Voltage, ACV (for 7470)

0 - 10000

10

±（2% of setting + 10V）

Output Frequency

50Hz/60Hz ±100ppm, User Selection

Output Waveform

Sine Wave ,THD.<2% (Resistive Load), Crest Factor = 1.3 - 1.5

Output Regulation

± (1% of output + 10V), From no load to full load

SETTINGS

Hi / Lo -Limit AC Current, mA (for 7473)

0 - 9.999

0.001

±（2% of setting + 2counts）

Hi / Lo -Limit AC Current, mA (for7470)

0 - 9.999/10.00 - 20.00

0.001/0.01

±（2% of setting + 2counts）

Ramp Up Time, second

0.1 - 999.9

0.1

±（0.1% + 0.05sec）

Ramp Down Time, second

0.0 - 999.9

0.1

Dwell Time

0, 0.3 - 999.9 sec (0=continuous)

0.1

0, 0.1 - 999.9 min (0=continuous)

0.1

0, 0.1 - 999.9 hr (0=continuous)

0.1

Cycle Test

0 - 9999 Times, (0=continuous)

Arc Detection

Range 1 - 7 > 15kV , Range 1 - 9 < 15kV

AC Current Offset, mA

0 - 2.000 or Auto Set ( Option )

MEASUREMENT

AC Voltage, KV (for 7473)

0 - 20.00

0.01

±（2% of reading + 2counts）

AC Voltage, KV (for 7470)

0 - 10.00

0.01

±（2% of reading + 2counts）

AC CurrentRange, mA

0-3.500

0.001

±（2% of reading + 3counts）

3.00-10.00 (for 7473)

0.01

3.00-20.00 (for 7470)

0.01

DC WITHSTAND VOLTAGE (7472&7474)

Output Voltage, DCV (for 7474)

0 - 20000

10

±（2% of setting + 20V）

Output Voltage, DCV (for 7472)

0 - 12000

10

±（2% of setting + 10V）

Output Ripple

<5%（在20KV/5000μA for 7474, 12KV/9999μA at Resistive Load for 7472）

SETTINGS

Hi / Lo -Limit DC Current, μA (for 7474)

0.0 - 999.9/1000 - 5000

0.1/1

±（2% of setting + 2counts）

Hi / Lo -Limit DC Current, μA (for 7472)

0.0 - 999.9/1000 - 9999

0.1/1

±（2% of setting + 2counts）

Ramp Up Time, second

0.4 - 999.9

0.1

±（0.1% + 0.05sec）

Ramp Down Time, second

0.0,1.0 - 999.9

0.1

Dwell Time

0, 0.4 - 999.9 sec (0=continuous)

0.1

0, 0.1 - 999.9 min (0=continuous)

0.1

0, 0.1 - 999.9 hr (0=continuous)

0.1

Cycle Test

0 - 9999 Times, (0=continuous)

Arc Detection

Range 1 - 9 (9 is the most sensitivity)

DC Current Offset, μA

0.0 - 200.0 or Auto Set (Option )

Ramp High Current

ON/OFF, User Selection

Charge - Low Current, μA

0.0 - 350.0 or Auto Set

Discharge Time

< 200 msec

Maximum Capacitive Load

1.5μF < 2KV 0.15μF < 8KV 0.12μF < 14KV 0.08μF < 20KV

0.28μF < 4KV 0.15μF < 10KV 0.1μF < 16KV

0.18μF < 6KV 0.12μF < 12KV 0.08μF < 18KV

MEASUREMENT

DC Voltage, KV (for 7474)

0 - 20.00

0.01

±（1.5% of reading + 2count）

DC Voltage, KV (for 7472)

0 - 10.00

0.01

±（1.5% of reading + 2count）

DC Current Range, μA

0-350.0

0.1

± (2% of reading + 3counts)

300-3500

1

3000 - 5000 (for 7474)
3000-9999 (for 7472)

10

GENERAL

Input Voltage AC

115/230VAC ± 15% , 50/60Hz ± 5% Fuse: 6.3A Slow

PLC Remote Control

Input : Test , Reset , Memory1.2.3 ,Interlock

Output : Pass , Fail , Processing

Safety

Smart-GFI Function (<1mA)

Memory

50 memories

Display

20*2 LCD with back light

Key Lock

To prevent unauthorized alteration of the test Parameters

Calibration

Build-in software and external calibrated meters

Interface

RS232/GPIB /Printer Card (Option)

Alarm Volume Setting

10 ranges set by the numeric keys on the front panel

Environment

0-40℃, 20-80%RH

Dimension

430mm(W)×133mm(H)×400mm(D)

Net Weight

24Kg

24Kg

22.5Kg

23Kg

STANDARD ACCESSORIES

Power Cord (10A)

×1

Fuses

×2 (Including a spare contained in the fuse holder)

Interlock Disable Key (1505)

×1

Hipot Test Lead ,1.5m (1142)

-

-

×1

×1

Hipot Test Lead ,1.5m (1143)

×1

×1

-

-

Hipot Return Lead ,1.8m (1144)

×1

×1

×1

×1