Triplett Model 9305 400A Compact Digital Clampmeter

A Half-Size, Full-Featured Electrical Tester for the Demanding Electrical Worker

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What's special about this digital clamp meter?

  • Clamps onto a wire or bundle to measure current up to 400A, as well as AC/DC voltage, resistance, continuity, temperature, capacitance, and diode test
  • Small profile fits comfortably on your tool belt or inside your tool bag for maximum convenience
  • Overload indicator helps prevent electrical accidents that can result in personnel or equipment injury
  • Ideal for light current applications up to 400Amps in security, HVAC, construction, telecommunications, and more
  • Click for More Features

Ideal for light current applications up to 400A in security, HVAC, construction, telecommunications, and more.



TR-9305 Triplett 9305 Clampmeter and Digital Multimeter 400Amps 8" x 2.25" x 1.25"
(200 x 66 x 37mm)
0.5 lbs (205 g)

  • Includes batteries, test leads, and a temperature probe, providing everything you need to get working right away
  • Backlit screen with large, clear readout allows you to see in any lighting
  • Rugged, shock absorbing case provides impact and drop resistance for use in rough environments
  • Low battery indicator ensures you will never be out of power in the field
  • Powers off automatically after periods of inactivity to preserve battery life


Property Value
Clamp Size Opening 1.2" (30mm) approx
Diode Test (Typical) Test current of 0.3mA typical; Open Circuit Voltage 1.5V DC
Continuity Check Threshold <150Ω; Test current < 0.5mA
Low Battery Indication Battery image is displayed
Overrange Indication "OL" is displayed
Measurements Rate 2 per second, nominal
Input Impedance 10MΩ (VDC and VAC)
Display 4000 counts LCD
AC Current 50-60Hz (AAC)
AC Voltage Bandwidth 50-400Hz (VAC)
Operating Temperature 41 to 104°F (5 to 40°C)
Storage Temperature -4 to 140°F (-20 to 60°C)
Operating Humidity Max 80% up to 87°F (31°C) decreasing linearly to 50% at 104°F (40°C)
Storage Humidity <80%
Operating Altitude (Max) 7000 ft. (2000 m)
Overvoltage Category III 600V
Battery (2) AA 1.5V
Auto OFF Approximately 30 minutes
Safety Overvoltage Category II
Pollution Degree 2
DC Voltage 600V
AC Voltage 600V
Current 400A
Capacitance 40nF to 100uF
Industry Standards CAT I, II & III to 600V AC/DC
Battery Life 300 hours
Dimensions 8" x 2.25" x 1.25"
(200 x 66 x 37mm)
Weight 0.5 lbs (205 g)






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