Insulation resistance tester is a special instrument for measuring insulation resistance. It is an ideal test instrument for measuring insulation resistance of large transformers, transformers, generators, high-voltage motors, power capacitors, power cables, arresters, etc.

Specifications:
Model: HT5203 / HT5205 (Optional)
In accordance with IEC/EN 61010-1 1000V CAT III, 600 V CAT IV measurement standards. 
1000V DC, 750V AC (Sine wave)
Insulation Test Measurement Range: HT5203: 3.00MΩ~100.0GΩ / HT5205: 3.00MΩ~200.0GΩ
Insulation Resistance Test Voltage: HT5203: 50, 100, 250, 500, 1000 V / HT5205: 100, 250, 500, 1000, 2500 V
Accuracy of Insulation Resistance Test Voltage: ±10 %
The Insulation Short-circuit Test Current: about 3.0 mA
Maximum Capacitive Load for Insulation Testing:  1μF
Storage Temperature: -20°C~60°C 
Operating Temperature: 0°C~40°C
Operating Altitude: 2000m CAT III 1000V; 3000m CAT II 1000V.
Temperature Coefficient: for temperatures below 18 °C or above 28 °C, the coefficient is per (°C) x 0.05 x specified accuracy
Relative Humidity: 40%~75%
Batteries: 8 x 1.5V AA (LR) batteries(not included)
Material: polycarbonate(PC)
Item Size: 180 * 140 * 65 mm / 7.09 * 5.51 * 2.56 inch
Item Weight: 627g / 22.12oz
Package Size: 33.5 * 27 * 9.5 cm / 13.19 * 10.63 * 3.74 inch
Package Weight: HT5203: 1338g / 47.2oz;  HT5205: 1376g / 48.54oz

Package List:
1 * Insulation Resistance Tester
1 * Test Pen
1 * Test Clamp
1 * Bag
1 * User Manual (English)