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Klein Tools® - CL450 - HVAC Clamp Meter w/ Differential Temperature

Item: KLE-CL450
MFR: CL450

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About This Product

Product Info


Klein Tools - CL450 HVAC Clamp Meter w/ 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
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight0.787 Pounds (lbs)
Width3.77 Inches (In)
Height1.59 Inches (In)
Country of OriginCHN
Length10 Inches (In)
Audible AlertYes
Audible ContinuityYes
Auto Power OffYes
Auto RangingYes
Bar GraphNo
Batteries Required3 x AAA
BrandKlein Tools®
Capacitance Range60.00nF - 6000µF
ColorBlack, Orange
Diode TestYes
Display Options6000 Count LCD
Duty CycleYes
FeaturesDifferential 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
FunctionsDifferential 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
IncludesCarrying Case, Instruction Manual, Straight Input Test Leads, Two K-type Thermocouples, and 3 x AAA Batteries
Includes CaseYes
Jaw Opening2" (50.4 mm)
Maximum AC Amps600A AC
Maximum AC Voltage1000V
Maximum DC Amps200 μA with 1μA Resolution
Maximum DC Voltage1000V
Maximum Ohms60MΩ
Maximum Resistance60MΩ
Min/Max MemoryYes
On/Off SwitchYes
Operating Temperature Range-40° to 1832°F (-40° to 1000°C)
Overall Length10.00" (25.4 cm)
Package Quantity1.0000
Peak HoldNo
Power Source(3) AAA batteries
Prop 65Yes
Safety RatingCAT IV 600V, CAT III 1000V
StandardsCATIV 600V, CATIII 1000V
Temperature Range-40° to 1832°F (-40° to 1000°C)
True RMSYes
TypeHVAC Clamp Meter with Differential Temperature
Voltage1000V AC; 1000V DC
Voltage Accuracy±(1.7% + 5 digits)
Voltage Range6 - 1000V AC, 600mV - 1000V DC
Warranty OfferedYes


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