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Klein CL450 - HVAC Clamp Meter, Differential Temperature

Item: CL450
MFR: CL450
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HVAC Clamp Meter with Differential Temperature
  • Measures AC/DC voltage up to 1000V, 600A AC Current, 60M OHM Resistance, DC millivolts and micro amps
  • 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)


NameKlein CL450 - HVAC Clamp Meter, Differential Temperature
Gemaire Item NumberCL450
Manufacturer Product NumberCL450
SKU - PIM Number2565435274067234
ERP Number386119
Unit of MeasureEA
Weight0.8 Pounds (Lb)
Length10.0 Inches (In)
Width3.8 Inches (In)
Height1.6 Inches (In)
Country of OriginCHN
BrandKlein Tools®
Voltage Accuracy±(1.7% + 5 digits)
Voltage Range6 - 1000V AC, 600mV - 1000V DC
Power Source(3) AAA batteries
Maximum AC Amps600A AC
Maximum AC Voltage1000V
Maximum DC Voltage1000V
Capacitance Range60.00nF - 6000µF
Duty CycleYes
Audible AlertYes
Auto Power OffYes
Auto RangingYes
Display OptionsNo
Audible ContinuityYes
Bar GraphNo
Diode TestYes
IncludesCarrying Case, Instruction Manual, Straight Input Test Leads, Two K-type Thermocouples, and 3 x AAA Batteries
Includes CaseYes
Jaw Opening2" (50.4 mm)
Min/Max MemoryYes
Peak HoldNo
ColorBlack, Orange
Maximum Ohms60MΩ
Maximum Resistance60MΩ
On/Off SwitchYes
Operating Temperature Range-40° to 1832°F (-40° to 1000°C)
Safety RatingCAT IV 600V, CAT III 1000V
Temperature Range-40°F to 1832°F
True RMSYes
Warranty OfferedYes
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
Voltage1000V AC; 1000V DC
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
StandardsCATIV 600V, CATIII 1000V
TypeHVAC Clamp Meter with Differential Temperature
Batteries Required3 x AAA
GEM - Case Quantity


Parts List