The CM51 is a high accuracy, current only mini AC clamp meter. This compact clamp is small enough to fit in a shirt pocket and with resolution down to 10mA is ideal for residential and commercial applications.
This low cost auto ranging clamp meter has a jaw diameter of 27mm and is useful tool for electricians, maintenance teams and installers.
The clamp has a useful Data-hold feature to freeze the displayed value when used in difficult to access locations where the display may be difficult to read. There is also an auto power off function and the clamp is supplied with a manual, battery and a soft carry case.
Specifications
Numeric Display: 33/4 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 coefficient: 0.1 x specified 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.
