HEAT INSULATION Features: Tests insulation of wires, cables, transformers and electrical motors Comes as a complete kit including test leads and PC software Selectable test voltages 250V, 500V and 1000V Programmable timer to perform the Dielectric Absorption Ratio Test Sensitive Ohmmeter for checking resistance of motor windings Built in voltmeter Fast and easy to use, rugged durable design Internal memory to store measurements for future reference Data download to PC Limited Life Time Warranty Test insulation of wires, cables, transformers and electrical motors quickly and easily with this rugged tester. Includes: Test Lead Set Large Jaw Alligator Clips Batteries Software Carrying case  RS-232 Cable Specifications: Display:  70 x 46mm LCD with 60 segment analog bar Indicator. Over range Indication:  "OL" will be shown on the LCD Panel when an out of range measurement is made. Low Battery Indication:  The symbol is displayed indicating a low battery condition. Sampling Rate:  2.5 times/sec Digital Display; 10 times/sec Bar Graph Power Source: 1.5V AA size Battery X 8 Operating Temperature and Humidity:  0 °C to 40 °C ( 32 °F to 104 °F ), below 80% RH Storage Temperature: -10 °C to 60 °C ( 14 °F to 140 °F ) Dimension: 230 x 116 x 62 mm ; 9 x 4.6 x 2.4 inch Weight: Approx. 750g(with battery) Accessories:  Test Lead, Large Jaw Alligator Clips, Batteries, Instruction Manual, Carrying Case, software, RS-232 cable. Insulation resistance with 250, 500& 1000VDC test voltages:  0-4.000/40.00/400.0/4000MΩ ±3% Rdg ± 5 LSD < 2GΩ ±5% Rdg ± 5 LSD <4GΩ Low resistance:  0- 400.0, 4000Ω 1% Rdg + 5 LSD AC/DC Voltage:  0.1 - 600.0V ±1.5% Rdg ± 5 LSD UPC/DCI:  11950 Warranty: 1 year Weight:  1.65 lb Safety:  CAT III 600V