Specication CM51A Clamp Meter Numeric Display: 3 3/4 digit, 4000 count LCD, maximum reading 4000, 12mm high. Unit & Symbols: ~, A, DH, BAT, AUTO, APO & decimal point. Operating principle: Dual Slope Integration. Range selection: Autoranging. Overange indication: OL symbol is shown. Battery warning: BAT symbol is shown. Sampling rate: 2.5 times per second. Display hold: Displays are held by DH key. Overload protection: AC current; 400A AC (300V Line) for one minute. Operating temperature & humidity: 0°C to 40°C, less than 80% RH. Storage temperature & humidity: -10°C to 50°C, less than 70% RH. Temperature coefcient: 0.1 x specied accuracy / °C for 0°C to 18°C & 28°C to 40°C. Dielectric strength: 3.7kV AC for one minute (between case & metal parts). Safety: EN 61010-1, EN 61010-2-032 Overvoltage Cat. III 300V, Class II. EMC: EN 50082-1:01.92 & EN 55022:08.94 + A1:05.95 + A2:97 Power consumption: Approx. 5mW (100 hours continuous operation). Power supply: One 3V CR2032 battery. Auto power off: Power turns off automatically after 12 minutes. Conductor diameters: Maximum 27mm Dimensions & weight: 150 x 52 x 24mm, 110 grams. MEASUREMENT SPECIFICATIONS AC Current (~A) Range Average Rectication Accuracy Frequency Response: 50~60Hz. 0~0.4A add 5dgt 40Hz ~500Hz, add 1.5% to above accuracy. Due to policy of continuous development, Martindale Electric reserves the right to alter equipment specication and description outlined in this document without prior notice. No part of this document shall be deemed to be part of any contract for the equipment unless specically referred to as an inclusion within such contract. © 2005 - 2012 Martindale Electric Co. Ltd. Martindale Electric Company Ltd. Metrohm House, Penfold Trading Estate, Imperial Way, Watford, WD24 4YY. Tel: 01923 441717 Fax: 01923 446900 [email protected] www.martindale-electric.co.uk rev2