Overview

Enviro Forest’s high precision digital insulation resistance tester with 250V to 1000V Range is designed for accurate and reliable insulation resistance measurements. It features a large LCD display, selectable test voltages, and a wide measurement range, making it ideal for checking insulation in electrical, cable, and telecommunication systems. This device offers stable performance, overload protection, low battery indication, and convenient operation with its locking test button and auto power-off function.

Features

Large LCD display with 2000 counts for easy reading
Selectable test voltages: 250V, 500V, 1000V
Wide measurement ranges up to 2000MΩ
Locking function for test button
Overload protection for enhanced safety
Low battery indication and AC voltage test capability (up to 750V)
Auto power-off function for energy saving
Suitable for electric, cable, and telecommunication equipment testing

Technical Specifications

Test Voltages	250V ± 10%, 500V ± 10%, 1000V ± 10%
Measurement Range	0.1 MΩ to 500 MΩ (250V), 0.1 MΩ to 1000 MΩ (500V), 0.1 MΩ to 2000 MΩ (1000V)
Accuracy	± (4% + 2)
Short Circuit Current	1.8 mA (250V, 500V), 1.6 mA (1000V)
Median Resistance	2 MΩ (250V, 500V), 5 MΩ (1000V)
Overload Indication	Yes
Low Battery Indication	Yes
Auto Power Off	Yes
Max Display	1999
Relative Humidity	30% RH to 85% RH
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)
Dimensions	6.89 in × 4.33 in × 2.76 in (17.5 cm × 11.0 cm × 7.0 cm)
Weight	1.39 lb (630 g)