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Electrostatic Fieldmeter Portable Model 257D


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Intrinsically safe Electrostatic Fieldmeter - Portable Electro-Static diagnostic meter with wide measuring ranges and highly accurate results.


257D Power Supply/Battery Charger - 9320069

257D Power Supply/Battery Charger

Carry Case for 257 - 257D/72

Carry Case for 257

Standard General Purpose Sensor - 1036F-5

Standard General Purpose Sensor


The model 257D is a portable, battery-operated fieldmeter for performing static surveys or for use as a diagnostic tool when troubleshooting problems caused by static build up.

  • Two switch-selectable measurement ranges (2 kV/cm and 20 kV/cm)
  • Recorder output to pass measurements to auxiliary instruments to display or record the data
  • Intrinsically safe sensors are approved for use in hazardous locations when used with approved IS barriers
  • Remote sensors can be located up to 1000 feet from the monitor
  • Chopper-stabilized measurement technique is drift free, even in ionized environments
  • An AC adaptor is provided to recharge the batteries and to operate the Model 257D during longer-term tests
Weight 2.6 lbs