description klein hvac clamp meter klein tools cl440 clamp meter is an advanced hvac clamp meter with automatically ranging true root mean square (trms) for maximum accuracy. the meter measures ac current, inrush current, ac/dc voltage, dc microamps, resistance, continuity, frequency, capacitance, temperature, diodes, and more. this digital clamp meter comes with right-angle input test leads, push-on alligator clips, k-type thermocouple, storage pouch, instructional manual, and 3 x aaa batteries. clamp meter measures current, voltage, resistance and continuity. digital meter has auto-ranging trms technology for accuracy. includes leads, alligator clips, thermocouple, pouch, batteries. backlit lcd with dual v + a function allows simultaneous viewing of voltage and current measurements. dedicated mode for capturing dc micro amp and inrush current. cat iv 600v, cat iii 750v, class 2, double insulation safety rating. includes right-angle input test leads, push-on alligator clips, k-type thermocouple, storage pouch, instruction manual, and 3 x aaa batteries. can be used with magnetic hanger cat. no. 69417 (sold separately) for hands free operation. for more than 160 years, klein tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. klein isn't just the name of our company, it's also our family name. and since we're an american company that's family-owned and family-run, you know you can count on us to be here tomorrow. klein tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... since 1857. california proposition 65 warning. view warning label features cl440 hvac clamp meter is an automatically ranging true root mean square (trms) digital clamp meter digital clamp measures 600.0 a ac current and inrush current test leads measure 750v ac/600v dc voltage, dc micro amp, resistance, continuity, frequency, duty-cycle, capacitance, and diode tests k-type thermocouple port for measuring temperature from -328 to 2462 degrees fahrenheit (-200 to 1400 degrees celsius) detect ac current with non-contact voltage tester integrated into the clamp jaw backlit lcd with dual v + a function allows simultaneous viewing of voltage and current measurements dedicated mode for capturing dc micro amp and inrush current cat iv 600v, cat iii 750v, class 2, double insulation safety rating includes right-angle input test leads, push-on alligator clips, k-type thermocouple, storage pouch, instruction manual, and 3 x aaa batteries specifications acme tools brand name klein tools acme tools part number cl440 assembled weight (lbs) 0.89 battery quantity required 3 battery size aaa california proposition 65 warning required yes color / finish orange, black country of origin china dc polarity indicator yes dc voltage 600 digital / analog digital digital display yes globaltradeitemnumber (gtin) 00092644693359 internal supplier part # cl440 internet product code (ipc) 7fb68e5a932 manufacturer warranty please refer to attached warranty document. material abs and electrical components package depth 12.25 package height 2.75 package weight 1.48 upc 092644693359