Benning ST 710 Battery-operated device tester DIN EN 50678 (VDE 0701), DIN EN 50699 (VDE 0702), DGUV Regulation 3. Testing of electrical devices/work equipment, such as electrical devices/tools with on/off switches, heating devices, motor devices, lights, cable reels, multiple distributors and household appliances. Graphic display. Limit value display yes. Limit values preset in accordance with VDE standard. Simple, operation via three buttons. Fast, complete test within 10 seconds. Mobile, test can be carried out independently of the mains. Measurements: Insulation resistance measuring range 0.1 MOhm - 20 MOhm. Nominal test voltage 500 V. Protective conductor resistance measuring range 0.05 Ohm - 20 Ohm. Test current 200 mA and automatic polarity reversal. Equivalent leakage current yes. Differential current no. Direct measurement no. Protective conductor current yes. Touch current yes. Protective conductor/touch current 0.1 mA - 20 mA. Battery operation: protective conductor/touch current via substitute leakage current method. Power measurement yes. Line test including RPE, RISO, continuity/short circuit test of the phase/neutral conductor. Voltage at external protective contact socket. Connection for external measuring adapter yes. Measuring adapter optionally available. Testing of extension cables yes. Device connection and extension cables. Special features: Automatic test sequence for class I, II (III) devices, extension and device connection cables with cold device plugs with good/bad display. Battery capacity for 2,500 test items. Download of test reports Excel/PDF. Passive testing yes. Voltage measurement yes. Suitable for use by a trained person. Dimensions length 270 x width 115 x depth 55 mm. Weight 0.8 kg. Scope of delivery includes test device, case, test lead with alligator clip, cold device lead, 6 x 1.5 V Mignon/AA/LR6 batteries.