BENDER IRDH265-4 A-ISOMETER SERIE 260 INSULATION MONITORING DEVICE B91068001.The BENDER IRDH265-4 insulation monitoring device is primarily designed for continuous monitoring of insulation resistance in ungrounded (IT) systems. It is suitable for IT AC systems, IT AC systems with rectifiers and IT DC systems (isolated power supplies) and detects early signs of insulation faults in real time to prevent electrical accidents.
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BENDER IRDH265-4 INSULATION MONITORING DEVICE.pdf
BENDER IRDH265-4 product features:
1, high measurement accuracy, in the range of 10K-990K, display accuracy of ± 20%, can accurately reflect the actual situation of insulation resistance.
2, can operate stably under different environmental conditions, adapt to the ambient temperature range of -10 ° C-+55 ° C (operation, when the temperature is higher than 40 ° C need to pay attention to ventilation), storage temperature range of -40 ° C-+70 ° C.
Response time varies according to different measurement principles and system conditions. For some cases, it can respond quickly, for example, under the asymmetric measurement principle, the response time is less than 1s in case of direct ground fault.
4. The device is equipped with an RS485 interface for data transmission. It is connected to terminals A and B with a maximum cable length of 1200 m. The transmission protocol is 9600 Baud -1 Starbit -1 Stopbit -8 Datenbit.
Application Areas:
BENDER IRDH265-4 insulation monitoring device is widely used in industrial fields, such as manufacturing plants, mines, metallurgy, chemical industry, etc., to monitor the insulation of various types of electrical equipment and power supply systems. It is also applicable to the power supply system of medical equipment in hospital operating rooms, intensive care units, medical equipment rooms and other places, as well as the power supply system of servers in data centers, etc., to ensure the electrical safety and stable operation of the system in these places.
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