Clamp Meters


Extech Instruments announces its versatile MA430 Series of professional digital clamp meters are now available. Featuring a compact size that enables measurements in tight locations, the affordable series consists of the MA430 400A AC clamp meter (featuring a $59.99 MSRP), the MA430T True RMS AC clamp meter (with an $89.99 list price), and the MA435T True RMS AC/DC model with Capacitance, Frequency and Temperature measurement functionality (priced at $129.99).

Features Overview 

  • Multimeter functions on all models (MA430T/MA435T are True RMS)
  • Clear backlit LCD display
  • Built-in Non-Contact Voltage detector with LED alert
  • CAT III-600V safety rating
  • 1.2" (30mm) jaw size for conductors up to 350MCM
  • Data Hold function
  • Low battery indication
  • Auto Power Off 
These affordable new Extech clamp meters are compact and easy to hold while offering an ample 1.2" (30mm) jaw opening to accommodate conductors up to 350MCM. Featuring a large, four-digit readout, the illuminated display is easy to see in poorly lit work areas, and the thumb-dial selector is ergonomically placed for convenient, one-hand operation. Another safety feature built into the new MA430 series meters is the non-contact voltage (NCV) detector. Eliminating the need for a separate tester, the NCV detector quickly identifies the presence of voltage on live wires and alerts the user with a red LED indicator.

MA430/MA430T Measurement Functions: 
AC Current, AC/DC Voltage, Resistance, Diode Test, Continuity and Non-Contact Voltage detection.

MA435T Measurement Functions: 

AC/DC Current, AC/DC Voltage, Resistance, Capacitance, Frequency, Diode Test, Duty Cycle, Continuity, Thermocouple Temperature and Non-Contact Voltage detection.The Extech MA430 series clamp meters are CAT III 600V-rated and CE, ETL approved. Each meter comes complete with test leads, general purpose Type K bead wire temperature probe (for MA435T only), 9V battery, and soft case


  • measurements in tight location
  • clear backlit LCD displays
  • built-in Non-Contact Voltage detector with LED alert
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