Electronic accuracy tester, 1/4'' + 3/8'' + 1/2'' + 3/4'', 5 - 500 Nm. Supplied = assembled. Weight = 4.82 kg. Display type = optical, LCD. Actuation accuracy = ±1 %. Width = 130 mm. Height = 147 mm. Length = 180 mm. Measuring range Nm = 5 - 500 N·m. Product type = verification/counting devices. High measuring accuracy: +1% tolerance for scale values, ±1 digit. For checking or adjusting torque wrenches as well as torque screwdrivers. For controlled clockwise and anti-clockwise testing of tightening torques. Simple electronic tester with integrated torsion transducer. Digital scale in Nm for precise adjustment. Display mode: First Peak (detection of first peak) Large LCD display for optimal readings. With autoreset and automatic shutdown. Very simple and convenient operation. Square drive using square adapter. Supplied in a plastic case. Individual serial number for clear product identification. Includes calibration declaration of conformity in accordance with DIN EN ISO 6789:2017 (E) - traceable to national standards. No mains power required - includes 2 x AA 1.5 V LR26 batteries. Fastening screws included.