Project Description

  • LW7303 Front View


  1. Small volume, light weight
  2. Special linear constant current output, current output range can be up to 30 ~ 40 A
  3. Simple operation, key lock function
  4. Provide 5 set of memory set
  5. LCD display
  6. Test line impedance self zero correction, ensure accuracy of test results
  7. Resistance upper and lower limit set, intelligent alarm
  8. Provide remote PLC control interface
Output cuurent3.0-30.0 (A)3.0-40.0 (A)
Output voltage6V. MAX8V. MAX
Output frequency50 or 60 Hz, ±100 ppm
Output waveformSine wave, distortion (THD) < 2%, Crest Factor (Crest Factor) = 1.3 – 1.5
Resistance setting range0-510(mΩ)0-120(mΩ)0-600(mΩ)0-200(mΩ)0-150(mΩ)
Corresponding current output3.0-10.0(A)10.0-30.0(A)3.0-10.0(A)10.0-30.0(A)30.0-40.0(A)
Resistance resolution1 mΩ
Test time (s)0, 0.5 – 999.9 (s) (0 = continuous)
Judgement accuracy±2% of setting +2 counts
Voltage set0.00-6.00 V0.00-8.00 V
Test modefour-wire measurement
Memory5 groups of memory
Key LockTo prevent any unauthorized operators arbitrarily changing the parameter
Peripheral remote control, PLC interfaceProvide Pass, Fail, Processing remote monitoring signals and the TEST, STOP contact
ProtectionOverload, Open circuit automatically cut off the output,light and buzzer alarm
Display16 × 2  LCD display
Dimension (W×H×D)280× 89× 370 / 10Kg

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