56SPECIFICATIONSDisplay: 2 x 0.95” OLED colour displays. With update rate of five readings persecond (5 Hz).Torque unit conversions: To ‘BS 350:2004 Conversion factors for units’.Units of measurement: N·m, dN·m, cN·m, Kgf·m, Kgf·cm, gf·m, lbf·ft, lbf·in, ozf·in, ft·lb, in·lb &in·oz.Date / Time: Date format DD/MM/YY / MM/DD/YY or YY/MM/DD (set up via TDS),Time format HH:MM:SS (24 hour clock).Frequency response: 860 Hz.Torque accuracy: +/-2% of reading from 10% - 19%.+/-1% of reading from 20% - 100%.Angle display (CW & CCW): 1° Resolution, Maximum angle 999 degrees.Angle accuracy: CW = 1% +/-1 digit.CCW = 2% +/-1 digit.Operating temperature range: +5°C to +40°C.Storage temperature range: -20°C to +70°C. Batteries -10°C to +35°CMaximum operating humidity: 85% Relative Humidity @ 30°C. Batteries 50%Operational life from fully charged: 34 hours continuous, 136 hours with a 25% duty ratio (17 x 8 hourshift). Dependant on display settings.Power consumption: 130 mW – maximum.Batteries: AA, 2500 mAh, 1.2 volt NiMH (Nickel metal Hydride).Coin cell: Renata 36 mAh (CR1220).Materials / finish: Handle: Powder coated aluminium, Body tube: Xylan coated steel,Lever arm: Nickel plated steel, Ratchet head: Chrome plated steelBattery cap: polished stainless steelEnvironmental protection: IP44.USB: 2.0 Device (5 pin mini).Bluetooth ® : 2.4 GHzContains Transmitter Module FCC ID: QOQBLE112Contains Transmitter Module IC: 5123A-BGTBLE112This device complies with Part 15 of the FCC Rules, subpart C.Contains transmitter module IC: BLE112.Model Resolution Zero Suppression Weight Dimensions (mm)Kg lb H W LNorTronic® 50 0.01 N·m ± 1 L.S.D (0.01 N·m) 1.20 2.63 51 41 468NorTronic® 200 0.1 N·m ± 1 L.S.D (0.1 N·m) 1.45 3.20 51 41 593NorTronic® 330 0.1 N·m ± 1 L.S.D (0.1 N·m) 1.89 4.17 51 41 808