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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Extech Clamp Meters

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EX623 Clamp Meters

Model EX623 Clamp Meter - Extech


400A Dual Input Clamp Meters + IR Thermometer + Non-Contact Voltage Detect
  • TRMS AC Voltage & Current measurements
  • Dual type K thermocouple input with Differential Temperature function
  • Non-contact Voltage detector with LED alert
  • Non-contact IR Thermometer with laser pointer for locating hot spots
  • DC Voltage, DC Current, Resistance, Capacitance,Frequency & Duty Cycle functions
  • Autoranging with manual override
  • Data Hold plus fast Peak Hold for surges
  • Complete with test leads, 9V battery, two Type K bead wire probes and case


MA640 Clamp Meters

Model MA640 Clamp Meter - Extech


600A True RMS Clamp Meters + Non-Contact Voltage Detect
  • TRMS AC Voltage & Current measurements
  • Non-contact Voltage detector with LED alert
  • DC Voltage, DC Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle
  • Relative Mode for Capacitance Zero and Offset Adjustment
  • Data Hold and MIN/MAX
  • Complete with test leads, Type K bead wire probe, 9V battery and carrying case


380941 Clamp Meters

200A AC/DC Mini Clamp plus MultiMeter - Extech

  • High resolution to 10mA
  • Measures voltage, resistance and frequency
  • Fast 40 segment bargraph
  • One touch auto zero for DC current measurements
  • Min/Max
  • Data hold and auto power off
  • Complete with test leads, wrist strap, 2 AA batteries and carrying case


380942 Clamp Meters

30A True RMS AC/DC Mini Clamp Meter - Extech

  • Measure low AC/DC current with resolution to 1mA DC and 0.1mA AC
  • Also measures voltage
  • Fast 40 segment bargraph
  • One touch auto zero for DC current measurements
  • Min/Max
  • Data hold and auto power off
  • Complete with test leads, wrist strap, 2 AA batteries and carrying case


EX730 Clamp Meters

800A Clamp Meter - Extech

 (3)
  • AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode Test and Continuity
  • True RMS models
  • 1.2" (30mm) circular jaw opening
  • Backlit LCD
  • Peak, Data Hold, Auto power off
  • DC Current with Zero (EX730)
  • Complete with test leads, 9V battery, Type K bead wire probe (EX720, EX730) and carrying case


Extech-380976

Extech AC Power Clamp Meter

  • Dual LCD display (9999 count)
  • Measures 1Ø/3Ø True Power (kW), Apparent
  • Power (kVA), Reactive Power (kVAR), plus Horsepower (HP), Power Factor and Phase Angle with Lead/Lag indicator
  • AC+DC µA current with 10nA resolution for flame rod tests
  • Insulation Resistance tests to 100M Ohm
  • Type K temperature to 1000ºF (900ºC)
  • 1.6" (40mm) clamp jaw opening
  • Max/Min recording with elapsed time indication
  • ...