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True RMS Mini-Clamp AC/DC 400A


Price starts at $374.99

Product Code : 380947-NIST

Manufacturer : Extech

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Download or View this product's / series details and specifications Specifications (PDF)


  • True RMS measurements with 1mA AC resolution
  • Non-contact Frequency measurements to 100kHz through the clamp jaws
  • Fast 40 segment bargraph
  • One touch Auto Zero
  • Min/Max
  • Data hold and Auto power off


True RMS mini-clamp with high current resolution. Proper use and care of this meter will yield years of reliable service.

General Specifications
Display 3-3/4 Digit LCD with 40 segment bargraph
Functions Current (ACA, DCA) and Frequency (Hz)
Polarity ?-? indicates negative polarity (positive polarity assumed)
Current sensor Hall effect
Overload Display indicates ?1___? or ?-1___?
DCA zero adjust One-touch zero key (also used as a Relative function)
Display rate 2 readings/second (20 readings/second for bargraph)
Battery Two 1.5V AA batteries
Operating temperature 4°F to 122°F (-10°C to 50°C)
Operating Humidity < 85% RH
Power consumption 10mA DC approx.
Weight 6.2 oz. (190g) including battery
Dimensions 7.2 x 2.5 x 1.4? (183 x 63.6 x 35.6mm) (H x W x D)
Jaw opening 0.9? (23mm)
Standards IEC 1010 Category III 300V, Category II 600V
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