Portable insulation resistance meter HZ3251

•Voltage ranges: 100V, 250V, 500V, 1000V, 2500V, 5000V, 10000V; custom mode 50–10000V, step 10V.
•Max short-circuit current: 6mA, adjustable 1–6mA.
•Max continuous output power: 55W.
•Insulation resistance range: 10Ω–20TΩ.
•Test time: 10s–99min.
•AC/DC voltmeter range: 10–660V, frequency 25–85Hz.
•Capacitance measurement: 10nF–25µF, discharge ≤0.47s/µF.
•Built-in 16.8V 4400mAh lithium battery, charger 16.8V 2.3A, battery life ~6h.
•Dimensions: 320×270×150mm, weight: 3.9kg.
•Operating temperature: -10–50, humidity <90%.
Product Description:
Huazheng Insulation Resistance Tester adopts fully isolated power supply, ensuring operator safety with 30kV isolation voltage. It features a 7-inch industrial LCD with capacitive touch, single-button shuttle, color backlight buttons, and quick discharge circuit. It supports IR, DAR, PI, DD, and SV tests, multiple DAR calculation modes, and automatic DC/AC voltage detection with frequency measurement.
The tester enhances usability with controllable hardware/software filters, independent test time storage, USB data export, firmware upgrade support, RS232/RS485 and Bluetooth communication, automatic shutdown, and built-in fast charger. Its robust design and precise measurements make it ideal for electrical insulation testing in laboratories, substations, and industrial environments.