Product Description

General instruction

NSR - ***0 series intelligent power distribution and monitoring products including NSR - ***1 power parameter measuring instrument, NSR - ***2 power quality monitoring device, NSR - ***3 gateway meter, NSR***5 power integrated monitoring and controlling protection device, etc., NSR****0 series products widely  adapt to various of control system, energy management system, distribution network automation, district power monitoring, industrial automation, intelligent building, intelligent switchboard, switchgear, which voltage level no more than *0 KV. The advantages of NSR****0 series product are convenient installation, wiring simple, easy maintenance, low engineering quantity, etc.

Features

• Adopt high performance hardware platform, **-bit RISC CPU, rich of external setting resources.
• Adopt high speed sampling AD.
• Main body is made with high reliability industrial class component, adopt automatic monitoring and compensation technology to improve the stability and reliability of the hardware.
• Resistance strong interference, adapt the special rugged environment.
• Analog circuit with high precision, wide range component, without amplitude, phase adjust circuit, circuit simple and reliable, without zero drift, low workload of debugging and maintaining.
• LCD, interface menu intuitional and friendly, information detailed and visual, convenient operating and debugging.
• Consummate device self-checking strategy 

• Can measure the full electric quantity parameter
• Can measure the harmonic and display it as bar graph, can calculate the harmonic containing rate and distortion rate.
• Possess out-of-limit alarm function and voltage swell, voltage dip, transient and flicker judgment function.
• With switch value , used to monitor external middle control contactor
• With relay output, used to control other devices
• Can output DC*4V power supply to charge the external transducer
• Can output multi-circuit ***0mA analog quantity
• RS**5 interface, support Modbus-RTU communication protocol, parameter can be setup, support ethernet
• Possess power metering, statistics, freeze function, can provide multi-rate and sub-time billing.
• Possess variety of protection such as repressing directional over-current, high circle load shedding, low voltage, high voltage and resist countercurrent.