description milliamp process clamp meter milliamp process clamp meters can measure ma signals without breaking the loop. the popular fluke 771 ma clamp meter saves time by making fast, accurate measurements on 4-20 ma signal loops without breaking the circuit. california proposition 65 warning. features best in class 0.2 % accuracy 0.01 ma resolution and sensitivity measure 4 to 20 ma signals without ”breaking the loop??dual backlit display with both ma measurement and percent of 4 to 20 ma span specifications ac current accuracy 20.99 ma range, 0.2 % reading ±5 digits; 99.9 ma range, 1 % reading ±5 digits acme tools brand name fluke acme tools part number fluke-771 additional contents emi/rfi: meets en61326-1; note: for current measurement w/ jaw, add 1ma to specification for emc field strengths of 1v/m up to 3v/m. assembled weight (lbs) 1.17 battery life (hrs) 45 battery type 1.5v-aa california proposition 65 warning required yes case included yes country of origin china data hold yes globaltradeitemnumber (gtin) 00095969349697 housing color / finish red, yellow, gray housing material hard plastic ingress protection (ip) rating 40 internal supplier part # 2646347 internet product code (ipc) 3fc9d1897f8 manufacturer warranty 3 years operating temperature range -10 to 50 oc package weight 2.7 package weight (lbs) 2.7 relative operating humidity range < 90 % @ <30 °c, <75 % @ 30 to 50 °c storage temperature -25 to 70 °c temperature range -10 to 50 oc upc 095969349697