Micro Ohmmeter
Micro Ohmmeter
Valhalla 4300C

Micro Ohmmeter

  • Test Current to 10 Amps
  • High Compliance Voltage
  • Temperature Compensation Mode (TCM)
  • On/Off Control of Test Current
  • 4-Wire Kelvin
  • Measurement Ranges from 2mΩ to 30kΩ
  • 3 Selectable Pre-Amp Ranges
  • 6 Selectable Test Current Ranges
  • VFD Display w/Adjustable Intensity
  • Hi-LO Resistance Limit Comparator
Type： Microhmmeter
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Valhalla 4300C Datasheet

The 4300C is the perfect instrument for tackling ultra-low resistance testing requirements associated with motors, transformers, fuses, connectors, breakers, bonding/weld resistance, and many other applications.   The 4300C Digital Micro-Ohmmeter measures a variety of low-resistance devices ranging in value from 100nΩ to 20kΩ. The flexible measurement format of the 4300C provides six ranges of user selectable test current (from 0.1mA to 10A) and three voltage sensitivity settings (20mV, 200mV, and 2V).

 

Range Test Voltage Full Scale Resolution Test Current1 Accuracy2
(± % reading ± Ω)		 Temperature Coefficient3 TCM Mode Accuracy4
(± % reading ± % ΔT)
2mΩ 20mV 2.0000mΩ 100nΩ 10A ± .06 ± .0006m ±50ppm/°C ± .11 ± .0006m
20mΩ 20mV 20.000mΩ 1µΩ 1A ± .04 ± .006m ±50ppm/°C ± .09 ± .006m
200mΩ 20mV 200.00mΩ 10µΩ 0.1A ± .04 ± .06m ±50ppm/°C ± .09 ± .06m
2Ω 20mV 2.0000Ω 100µΩ 10mA ± .04 ± .0006 ±50ppm/°C ± .09 ± .0006
20Ω 20mV 20.000Ω 1mΩ 1mA ± .04 ± .006 ±50ppm/°C ± .09 ± .006
200Ω 20mV 200.00Ω 10mΩ 0.1mA ± .04 ± .06 ±50ppm/°C ± .09 ± .06
20mΩ 200mV 20.000mΩ 1µΩ 10A ± .06 ± .003m ±50ppm/°C ± .11 ± .003m
200mΩ 200mV 200.00mΩ 10µΩ 1A ± .04 ± .03m ±50ppm/°C ± .09 ± .03m
2Ω 200mV 2.0000Ω 100µΩ 0.1A ± .04 ± .0003 ±50ppm/°C ± .09 ± .0003
20Ω 200mV 20.000Ω 1mΩ 10mA ± .04 ± .003 ±50ppm/°C ± .09 ± .003
200Ω 200mV 200.00Ω 10mΩ 1mA ± .04 ± .03 ±50ppm/°C ± .09 ± .03
2kΩ 200mV 2.0000kΩ 100mΩ 0.1mA ± .04 ± .0003k ±50ppm/°C ± .09 ± .0003k
200mΩ 2V 200.00mΩ 10µΩ 10A ± .06 ± .03m ±50ppm/°C ± .11 ± .03m
2Ω 2V 2.0000Ω 100µΩ 1A ± .04 ± .0003 ±50ppm/°C ± .09 ± .0003
20Ω 2V 20.000Ω 1mΩ 0.1A ± .04 ± .003 ±50ppm/°C ± .09 ± .003
200Ω 2V 200.00Ω 10mΩ 10mA ± .04 ± .03 ±50ppm/°C ± .09 ± .03
2kΩ 2V 2.0000kΩ 100mΩ 1mA ± .04 ± .0003k ±50ppm/°C ± .09 ± .0003k
20kΩ 2V 20.000kΩ 1Ω 0.1mA ± .04 ± .003k ±50ppm/°C ± .09 ± .003k