Kewtech KT300 Digital Insulation Tester

The Kewtech KT300 Digital Insulation/Continuity Tester is a handheld, single-function tester for determining insulation and continuity. Includes all of the functionality you need for measurements of insulation resistance in any electrical application in accordance with 18th Edition regulations. The KT300 is compact, accurate and easy to use with a ‘hands free’ facility. FEATURES Insulation test at 50V, 100V 250V, 500V & 1000V. Continuity test with audible tone. Test lead null facility. Buzzer mode. Hands free function. Breakdown voltage. Voltage present LED. Auto power off. KT300 On Site Testing Video Kewtech KT300 Specifications Continuity Test Range Accuracy Range Tolerance (@20°c). 0.00 to 9.99 Ω + (3% + 2 digits). 10.0 to 99.9 Ω + (3% + 2 digits). 100 to 19.99 kΩ + (3% + 2 digits). Open circuit Voltage >4V, <10V. Zero offset adjust (test lead null) 5 Ω. Typical test time (2 Ω) >2 seconds. Hazard Warning LED >25V. Run Leakage Test Voltage Ranges (Auto Range) Tolerance (@ 20°C) 50 V 0.01 to 9.99 MΩ + (6% + 2 digits) 10.0 to 49.9 MΩ + (6% + 2 digits) 100 V 0.01 to 999 MΩ + (6% + 2 digits) 10.0 to 99.9 MΩ + (6% + 2 digits) 250 V 0.01 to 9.99 MΩ + (3% + 1 digits) 10.0 to 99.9 MΩ + (3% + 1 digits) 100 to 199 MΩ + (6% + 1 digits) 500 V 0.01 to 9.99 MΩ + (3% + 1 digits) 10.0 to 99.9 MΩ + (3% + 1 digits) 100 to 199 MΩ + (3% + 1 digits) 200 to 499 MΩ + (6% + 1 digits) 1000 V 0.01 to 9.99 MΩ + (3% + 1 digits) 10.0 to 99.9 MΩ + (3% + 1 digits) 100 to 399 MΩ + (3% + 1 digits) 400 to 999 MΩ + (6% + 1 digits) Insulation Output Voltage Voltage Load Output Current Tolerance 50 V 50 kΩ 1 mA -0% +20% 100 V 100 kΩ 1 mA -0% +20% 250 V 250 kΩ 1 mA -10% +20% 500 V 500 kΩ 1 mA -10% +20% 1000 V 1 MΩ 1 mA -10% +20% Short circuit current (into 2k Ω) < 2 mA Typical Test Time (10 MΩ) < 2 seconds General Specifications Power supply 4 x AA LR6 Batteries. Battery life 50 hours. Overvoltage category CAT III 500V CAT IV 300V. Operating temperature 0 - 40°C. Storage temperature -10 to 60°C. Operating humidity 80% @ 31°C to 50% @ 40°C. Safety compliance BSEN 61010-2-030:2010. EMC compliance BSEN 61326-2-2:2013. Performance standard BSEN 61557-1:2007 BSEN 61557-2:2007 BSEN 61557-4:2007 Probes GS38 compliant. Dimension 180 x 85 x 50mm. Weight Approximately 450g. KT300 warranty Two-years.

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