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LW-7303 30A 6V Programmable Ground Resistance Tester

LW-7303 30A 6V Programmable Ground Resistance Tester
LW-7303 30A 6V Programmable Ground Resistance Tester - Image 2

LW-7303 30A 6V Programmable Ground Resistance Tester

  • Compact and Lightweight: Extremely small dimensions for easy portability.
  • Linear Constant Current Output: Provides a current output range of 30A to 40A.
  • User-Friendly Operation: Features a simple interface with keyboard lock functionality.
  • Memory Functionality: Offers storage for up to 5 preset configurations.
  • Clear LCD Display: Easily view test status and results at a glance.
  • Self-Zeroing Calibration: Automatically calibrates test line impedance for accurate results.
  • Adjustable Resistance Limits: Smart alarm for upper and lower resistance thresholds.
  • Remote PLC Control: Includes an interface for remote control via PLC.
  • Versatile Testing System: Can be combined with LW7100 series testers for a compact 4-in-1 safety testing solution (ACW, DCW, IR, GB).
Product Name: LW-7303 Category: Tag:
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Model 7303
Output current 3.0～30.0 （A）
Output voltage 6V. MAX
Output frequency 50 or 60 Hz, ±100 ppm
Output waveform Sine wave, distortion (THD) < 2%, Crest Factor (Crest Factor) = 1.3 ~ 1.5
Resistance setting range 0~510(mΩ) 0~120(mΩ)
Corresponding current output 3.0~10.0(A) 10.0~30.0(A)
Resistance resolution 1 mΩ
Test time (s) 0, 0.5 – 999.9 (s) (0 = continuous)
Judgment accuracy ±(2% of setting +2 counts)
Voltage set 0.00～6.00 V
Test mode four-wire measurement
Others
Memory 5groups memory
Key Lock To prevent any unauthorized operators from arbitrarily changing the parameter
Peripheral remote control, PLC interface Provide Pass, Fail, processing remote monitoring signals and the TEST, STOP contact
Protection Overload, Open circuit automatically cuts off the output, light, and buzzer alarm
Display 16’ × 2’  LCD display
Dimension 280×89×370 mm
Weight 10kg
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