1PCS PROVA-100 Process loop Calibrator 4-20 mA TES Meter
Auto-Ramp and Easy Step Functions. Easy Just-Type-in Number Operation. Test leads x 1 ; Alligator clip x 1. Storage Temperature -20 to 60 ℃ (-4 to 140 ℉ ). Battery Type 9V Alkaline Battery (External Power Input 9-15V).