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Data Sheet Digital Milli-Ohm Meter Model 310 The model 310 Digital Milli-Ohm Meter is used to ensure continuity and integrity of a wire, cable, conduit or any electrical connection. The 310 has a display resolution of 100 micro-ohms and has a professional four wire Kelvin test lead set included to ensure accurate readings. The heavy duty case has a rubber seal to make the unit water resistant and a convenient shoulder strap. Features & Benefits ■ Four wire Kelvin lead measurements ■ Over-voltage and over-temperature protection ■ 5 ranges with 100 µΩ max. resolution ■ Water resistant case with shoulder strap ■ Auto Power Off ■ IEC/EN 61010-1 / CE ■ Included: 4-wire Kelvin leads, carrying case with shoulder strap and batteries Specifications 310 Electrical Measuring ranges 0-200.0 mΩ in steps of 100 µΩ 0-2000 mΩ in steps of 1 mΩ 0-20.00 Ω in steps of 10 mΩ 0-200.0 Ω in steps of 100 mΩ 0-2000 Ω in steps of 1 Ω Accuracy ±0.5% of reading ±2 digits over the operating temperature range -15° C to +55° C, with the supplied test leads. Test current 1 mA => 2000 Ω range 10 mA => 200 / 20 Ω ranges 100 mA => 2000 m / 200 mΩ ranges. Test current accuracy ±0.3% Protection fuses Supply: 1.5 A, HBC, 5 x 20 mm, DIN Current: 1 A, HBC, 5 x 20 mm, DIN Voltage: 0.5 A, HBC, 5 x 20 mm, DIN Safety LVD BS EN 61010-1 EMC BS EN 50081-1, BS EN 50082-1 Mechanical The model 310 Digital milli-ohm meter, with its measuring range of 100 µΩ to 2000 Ω, is suitable for a wide range of applications such as: Bump test IEC68-2-29 Vibration test IEC1010, clause 8.3 Drop test IEC1010, clause 8.4 Impact test IEC1010, Clause 8.2 Rated environmental conditions Indoor use Pollution degree 2 Altitude up to 2000 meter Relative humidity 80% max. Ambient temperature 0°C~40° C Weight 3.4 lbs (1.542 kg) Dimensions (WxHD) 9.82” x 4.33” x 7.48” (250 x 110 x 190 mm) One Year Warranty Technical data subject to change © B&K Precision Corp. 2012 v0913122012 Applications - Measuring the winding resistance of electric motors, generators and transformers - Bond testing in mines, aircraft, railways, ships, domestic and industrial wiring installations - Measuring the ring main continuity testing in industrial and domestic wiring i installations - Measuring resistance in electronic equipment such as shunts, pcb tracks, switch and relay resistance - Checking compression joints on overhead lines - Testing and maintenance of switchboard /sub-station equipment on such items as fuses, joints, contacts and bonds www.bkprecision.com