Klein Tools CL450 Clamp Meter with dual display is a "game changer" for the HVAC professional. It measures AC/DC voltage up to 1000V, 600A AC Current, 60MΩ Resistance, DC millivolts and microamps. This True RMS CAT IV 600V meter offers differential temperature, digital temperature calibration, inrush current and many other functions for HVAC applications.

• Features
• Electrical Tester measures AC/DC voltage up to 1000V, 600A AC Current, 60MΩ Resistance, DC millivolts and microamps
• Amp Clamp with 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 microamp, resistance, LoZ, continuity, frequency, duty-cycle, capacitance, and diodes
• Dedicated mode for capturing DC microamp 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)
• Differential Temperature with Digital Temperature Calibration; Dedicated Mode for Capturing DC microamp and Inrush Current; Integrated Non-Contact Voltage Tester; Low-pass Filter and Low Impedance (LoZ) Mode; AC and DC Voltage
• 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
• 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
• Electrical Tester measures AC/DC voltage up to 1000V, 600A AC Current, 60MOhms Resistance, DC millivolts and microamps
• Warnings
• Never use the meter on a circuit with voltages that exceed the category based rating of this meter.
• Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use.
• Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.
• Before each use verify meter operation by measuring a known voltage or current.
• Always adhere to local and national safety codes. Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed.

• Specifications
• Country of Origin : China
• Size Name : Clamp Meter with Differential Temperature
• Drop Protection : 6.6' (2 m)
• Application : HVAC
• Material : Plastic/Electronics
• DC Micro-Amp : 200 μA with 1μA Resolution
• Functions : Differential Temperature, Digital Temperature Calibration, DC microamp, 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
• Current : 600A AC
• Frequency : 999.9kHz
• Jaw Size : 2" (5 cm)
• Standard : CATIV 600V, CATIII 1000V
• AC Voltage : 1000
• Overall Height : 1.59" (4 cm)
• DC Polarity Indicator : Yes
• Voltage : 1000V AC; 1000V DC
• Temperature Range : -40° to 1832°F (-40° to 1000°C)
• Included : Carrying Case, Instruction Manual, Straight Input Test Leads, Two K-type Thermocouples, and 3 x AAA Batteries
• Ohms (Resistance) : 60MΩ
• Overall Length : 10.00" (25.4 cm)
• Batteries : 3 x AAA
• Overall Width : 3.77" (9.6 cm)
• Type : HVAC Clamp Meter with Differential Temperature
• DC Voltage : 1000
• Capacitance : 6000µF
• Auto-Power Off : Yes
• Display : 6000 Count LCD
• Style Name : HVAC Differential Temperature Meter
• Height : 1.5900 in
• Width : 3.7700 in
• Depth : 10.0000 in
• Weight : 0.7870 lbs