This portable autorange Digital Clamp Meter is a measurement tool designed for being used by electricians, technicians, and serviceman. It is capable of measuring DC andAC voltage, AC current, resistance, diode, continuity and temperature. It can be easily operated. This Clamp meter asserts that the item meets all the essential health and safety requirements set out in European Directives (CE Marking). Features * 3 ½ digits LCD, max reading 1999 * Overload protection * Low battery indication * Audible continuity * With LCD Backlight function * Automatic zeroing function * Maximum value HOLD mode * Data Hold function * Low battery indication LCD display * IEC-61010 CATII Specifications Display: 3 1/2 digit LCD with 1999 max reading Polarity: Auto polarity indication Overrange Indication: display OL or -OL Automatic zeroing function Sampling Rate: approx 3 times per sec. Error caused by improper position: 1% of reading (Note: The conductot should be placed in the center of the jaws to prevent this type of error) Sensor: Clamp-shaped transformer for AC measurements Jaw Opening Capability: 37mm Max. measurable conductor: ?30mm Operating Environment: 0-40C , <75%RH Storage Environment: -20 - 60C , <85%RH Battery: 2 x 1.5V AAA Batter y Size and Weight: 230x77x32mm , approx. 220g (including batt) Package Weight: 0.511kg Package Size: 25cm x 12cm x 5cm Set includes 1 x Digital Clamp Meter 1 x Pair of Test Leads 1 x K type Thermocouple 2 x AAA Battery 1 x English User's Manual 1 x Carrying Pouch Standard Factory Packaging