The MARTINDALE CM51 is a low cost 200 A electrical mini clamp meter with autoranging, display hold and auto power down. The two ranges mean that when measuring 40 A and lower currents the resolution increases from 100 mA to 10 mA. Autoranging ensures that the most suitable range is always automatically selected. Complete with battery and carrying case. SPECIFICATIONS : 3.1⁄2" digit LCD display with annunciators. Display hold DH button.Display update 25 times per second. AC A ; 10 mA to 200 A, autoranging (2 ranges)(40 Hz to 500 Hz). Max. conductor size : 27 mm dia. Dimensions : length 150 mm x width 52 mm x depth 24 mm Operating temp. : 0 °C to 40 °C at < 80% RH Weight : 110 g Auto power off : after 10 minutes Overvoltage : Category III, 300 V Low battery warning : “BAT” symbol Overrange indication : “OL” symbol |