Not tested at photo session Norbar Torque Screwdriver Tester (TST) 25 is a digital instrument for testing and calibration of low torque tools, with a measuring range of 1.25 to 25 N Technical Specifications According to the official specifications of Norbar and Flexible Assembly: Measurement range: 1,25 – 25 Nm (equivalent to 12,5 – 250 lbf.in). Accuracy: ±0,5 % of reading from 20 % to 100 % of full scale. Drive: 1/4" inside hexagon. Weight: Approximately 2.2 kg (4.8 lb). Dimensions: 160 mm depth x 288 mm wide x 72 mm high. Power supply: Internal rechargeable battery (full charge in about 3 hours and 20 minutes) or power adapter (90-264 V). Main Functions Versatility: Equipped with an internal sensor and a Rundown Fixture, but also has an interface for connecting external "SMART" sensors or other mV/V-calibrated sensors. Operating modes: Includes "Track", "Impulse" and "Clutch Tool" for different types of torque tools. Interface: RS-232-C for connection to PC or printer, and an analogue output for process control. The text is produced according to the best ability (not binding in detail )