description hvac digital clamp meter klein tools cl320 clamp meter is an automatically ranging true root mean square (trms) digital clamp meter that measures ac current and ncvt via the clamp, ac/dc voltage, dc microamps, resistance, continuity, frequency, capacitance, and tests diodes via test-leads, and temperature via a thermocouple probe. features include auto range to improve efficiency and speed when making measurements; diode test to troubleshoot malfunctioning diodes; max/min to understand the variability from average of an electrical property being measured, and dc microamps measurements when working with flame sensors. clamp meter measures current, voltage, resistance and continuity. digital meter has auto-ranging trms technology for accuracy. includes a carrying case, test leads, thermocouple, and batteries. measures temperature with a k-type thermocouple probe. auto-range, data hold, and max/min value. auto-power off after 10 minutes to conserve battery life. includes a carrying case, test leads with cat iii/cat iv safety caps, thermocouple, instructions, and 3 x aaa batteries. low battery indicator and easily accessible battery compartment. built to withstand a 6.6-foot (2 m) drop. cat iii 600v, class 2, double insulation safety rating. meets requirements for use in basic and controlled electromagnetic environments like residential, office and light-industrial locations. 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 tool california proposition 65 warning. view warning label features clamp meter measures ac current and ncvt via clamp and ac/dc voltage, resistance, frequency, dc microamps, capacitance, duty cycle, diode test, and continuity via test-leads, and temperature with thermocouple non-contact voltage tester integrated into the clamp jaw backlit lcd for ease of viewing in low light automatically ranging true root mean squared (trms) measurement technology for accuracy test lead holder on side of clamp and optional magnetic hanger for meter (cat. nos. 69445 or 69417) for hands free operation measures temperature with a k-type thermocouple probe auto-range, data hold, and max/min value auto-power off after 10 minutes to conserve battery life includes a carrying case, test leads with cat iii/cat iv safety caps, thermocouple, instructions, and 3 x aaa batteries specifications acme tools brand name klein tools acme tools part number cl320 assembled weight (lbs) 1.3 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) 00092644692864 internal supplier part # cl320 internet product code (ipc) afeca0026dc manufacturer warranty please refer to attached warranty document. material abs/electronics package depth 8.45 package height 1.506 package weight 0.615 package weight (lbs) 1.3 tester type voltage upc 092644692864