Klein Tools


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  • Regular price $258.99
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HVAC Clamp Meter with Differential Temperature


  • Measures AC/DC voltage up to 1000V, 600A AC Current, 60MΩ Resistance, DC millivolts and microamps
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy CAT IV 600V, CAT III 1000V, Class 2, Double insulation safety rating
  • Clamp measures AC current and inrush current
  • Two K-Type thermocouple ports for differential temperature measurements
  • Test leads measure AC/DC voltage, DC micro amp, resistance, LoZ, continuity, frequency, duty-cycle, capacitance, and diodes
  • Dedicated mode for capturing DC micro amp and inrush current
  • Low-Pass filter and Low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Dual backlit 6000 LCD display for clear visibility in environments with low ambient lighting
  • Rugged design with a 6.6-foot (2 m) drop protection and a CAT IV 600V Safety Rating
  • Includes carrying case, instruction manual, straight input test leads, two K-type thermocouples, and 3 x AAA batteries
  • Can be used with Magnetic Hanger Cat. No. 69417 (sold separately)
  • Use with K-Type Temperature Pipe Clamp Cat. No. 69140, and K-Type Temperature Probe Cat. No. 69144 (sold separately)


  • Application: HVAC
  • Special Features: Differential Temperature with Digital Temperature Calibration; Dedicated Mode for Capturing DC Micro Amp and Inrush Current; Integrated Non-Contact Voltage Tester; Low-pass Filter and Low Impedance (LoZ) Mode; AC and DC Voltage
  • Material: Plastic/Electronics
  • Batteries: 3 x AAA
  • Auto-Power Off: Yes
  • Jaw Size: 2” (50.4 mm)
  • Drop Protection: 6.6' (2M)
  • Display: 6000 Count LCD
  • Functions: Differential Temperature, Digital Temperature Calibration, DC Micro Amp, Inrush Current, Audible Continuity, Capacitance, Diode Test, Frequency and Duty Cycle, Low-pass Filter, Low Impedance, AC and DC Current, Min/Max, AVG, Data Hold Capability
  • Voltage: 1000V AC; 1000V DC
  • Frequency: 999.9kHz
  • Current: 600A AC
  • Capacitance: 6000µF
  • Ohms (Resistance): 60MΩ
  • AC Voltage: 1000
  • DC Voltage: 1000
  • DC Polarity Indicator: Y
  • DC Micro-Amp: 200 μA with 1μA Resolution
  • Temperature Range: -40° to 1832°F (-40° to 1000°C)
  • Standard: CATIV 600V, CATIII 1000V
  • Included: Carrying Case, Instruction Manual, Straight Input Test Leads, Two K-type Thermocouples, and 3 x AAA Batteries
  • Weight w/Batteries: 13.6 oz (386g)
  • Overall Length: 10'' (254.0mm)
  • Overall Height: 1.59'' (40.4mm)
  • Overall Width: 3.77'' (95.8mm)
  • Weight: 12.5oz (354g)

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

https://productimageserver.com/literature/quickGuide/72954QG.pdf https://productimageserver.com/literature/ownersManual/72954OM.pdf https://productimageserver.com/literature/brochure/72954BR.pdf https://www.youtube.com/embed/dHapw7bZdno