Safety comprehensive tester/Ac withstand voltage tester/Dc withstand voltage tester
KD7440 series programmable voltage tester adopts high speed MCU and large-scale digital circuit design of high performance safety tester, its output voltage size, output voltage rise, fall, output voltage frequency is controlled by MCU, can display the breakdown current value and voltage value in real time, and has software calibration function. Equipped with PLC interface, RS232C, RS485, USB device, USB Host interface, it can be convenient to form a comprehensive test system with a computer or PLC. It can quickly and accurately measure the safety of household appliances, instruments, lighting appliances, electric heating appliances, computers and information machines. KD7440 series tester meets the following standards: Safety of household and similar electrical appliances Part 1: General requirements IEC60335-1, GB4706.1, UL60335-1; Information technology equipment: UL60950, GB4943, IEC60065; Audio, video and similar electronic equipment safety requirements: UL6005, GB8898, IEC60065; Safety requirements for measurement, control and laboratory electrical equipment: IEC61010-1, GB4793.1.
General specification
PLC remote control function Input signal: Test, Rest, Memory#! #2, #3 Output signal: Pass, Fall, Processing Keyboard security lock: Use a 4-digit password to lock the operation of the keyboard to prevent unauthorized persons from setting test parameters 1E indicator Canthard setting: Set using the number keys on the panel. There are 9 selections Buzzer tone 5 Adjustment: Set using the number keys on the panel. There are 10 segments to choose from.0 is OFF Matrix scanning interface: including the internal matrix scanner, a total of 2 groups of matrix scanners H.Vx4, H.VX8 Dimensions: 432 x 147x300mm Important: 22KG
Safety comprehensive tester/Ac withstand voltage tester/Dc withstand voltage tester
Product characteristics
1, compact structure, small size, easy to carry;
2, no maintenance, wiring, simple operation.
3, large screen 20X2 LCD display
4, AC voltage/DC voltage/insulation resistance/grounding impedance and other test functions
5, built-in 50 groups of program storage, each group can be set 8 test steps, can carry out continuous testing between steps
6, the front panel input software correction, test line compensation function to ensure the test accuracy
7, 4 or 8 channel scanning function (optional)
8. Standard RS232 interface, GPIB interface PLC remote control interface can be selected
Basic parameter
Ac withstand voltage AC0-5KV, 0-40mA
Dc withstand voltage DC0-6KV, 0-9999uA
Insulation impedance DC 1KV, 0-9999MΩ
Ground resistance 3-30A, 0-600mΩ
Ac withstand voltage test
Output voltage
Range: 0-5KV
Resolution: 1 Volt/step
Accuracy: ± (1%Setting+5V>
Output voltage
Range: 60 or 50Hz, optional
Accuracy: ±100PPM O
utput voltage regulator: ± (1%Setting+SV)(from no-load to full load)
Ac output waveform: sine wave, THD< 2%,
measuring crest factor 1.3-1.5 under resistive load
Leakage current upper limit setting
Communication range: 0.00-40.00mA;0.00-30.00 m
Accuracy: ± (2%Setting + 3Counts>
Resolution: 0.001 mA/ step
Set the lower limit of leakage current
Ac range:0.000-9.999 mA
Resolution: 0.001 mA/ step
Accuracy: ± (2%Setting + 3Counts>
Slow rise time Range: 0.1-999.9sec
Resolution: O.1sec/step
Accuracy :± (0.1% + 0.0S sec)
Test time Range: 0, 0.3-999_9sec (0= continuous test) Resolution: 0.1sec/ step
Accuracy: ±(0.1% + 0.0S sec)
Arc detection: 1-9 can be set (9 is the highest sensitivity)
Line return to zero: 0-2.000 mA, manual or automatic
Dc withstand voltage test
Voltage display
Range: 0.00-6.00KV
Resolution: 1Volt/step
Accuracy: ± (2%Setting + 5V)
Dc output ripple: < 5%, measured at 6KVDC/9999uA resistance load
Leakage current upper limit setting
Current range: 0.000-9999UA
Resolution: 0.1UA /STEP
Accuracy: ±(2%SETTING+3Counts)
Set the lower limit of leakage current
Current range: 0.0-999.9MA
Resolution: 0.1uA /step Accuracy: ±(2%Setting+3Counts)
Slow rise time Range: 0.1-999.9sec
Resolution: O.1sec/step
Accuracy: ± (0.1%+0.05sec)
Test time Range:0.4-999.9sec(0= continuous test)
Resolution: O.1sec/step
Accuracy: ± (0.1%+0.05sec)
Arc detection: 1-9 can be set (9 is the highest sensitivity)
Line return to zero: DC, 0-200MA, manual or automatic
Discharge time: 5200ms
Ground resistance test
Output voltage
Range: 3-8Vac
Resolution: 0.01V/step
Accuracy: ± (2% reading value +3 values >, measured in open state
Output frequency
Range: 60 or 50Hz, optional
Accuracy: ±100PPM
Output current
Range: 3.00-30Aac (adjustable 40A)
Resolution: 0.01A/step
Accuracy: ± (2% set point +3 values)
Ground resistance
The value ranges from 0 to 600 Mω
Resolution: 1 mΩ/ step
Accuracy: ± (2%Setting + 2 values}
Grounding resistance upper and lower limits set
Range: 0-600 m0 (3-10A range). 0-ISO m0 (3-30A Fanfield)
Resolution: 1 mΩ/ step
Accuracy: ± (2%Setting + 2 values), (3-10A range)
Test time
Range: 0.5 • 999.9sec (0 for continuous)
Resolution: 0.1sec/step
Accuracy: ± (0.1% + 0.05sec)
Test line return to zero compensation
Range: Maximum return to zero compensation range 200 m0
Resolution: 1 mΩ/ step
Accuracy: ± (1% set value +lmΩ)
Insulation resistance test
Output voltage
Range: 100-lOOOVdc
Resolution: 1 Volt/step
Accuracy: ± (1%Setting + 3V)
Insulation resistance
The value ranges from 1 to 9999MΩ
Resolution: 1M0/ step
Accuracy: ± (2%Setting + 2Counts) (500-1000Vdc / 1-1000M0); x(8%Setting4-2Counts) (S00-1OOOVdc /1000-9999 MC1); i(8%Setting*2Counts) (100-500Vdc / 1 -1000 MO)
Decision upper limit setting
Range: 0, 1-9999M0 (0 = OFF)
Decision lower bound setting
The value ranges from 1 to 9999MΩ
Decision delay time
Range: 0.5-999.9 sec (0= continuous decision)
Resolution: 0.1sec/step
Accuracy: ± (0.1% + 0.0Ssec)
Lower limit of charging
current Range: 0.000-3.500mA or automatic setting
Safety comprehensive tester/Ac withstand voltage tester/Dc withstand voltage tester
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