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Digital display instrument control in the application of knowledge

2020-11-09

JVTIA

189

Digital display instrument control in the overview

display industrial control instrument is widely used in electric power dc screen monitoring, it is a kind of intelligent instrument for electric power and industrial automation measurement, collect a variety of measurement functions in one, a multi-purpose table, it can measure dc current, dc voltage, various types of thermocouple, heat resistance, resistance thermocouple sensor, with DC24V power supply output for external two-wire transmitter power supply directly. Instrument with a variety of optional features: RS485 interface, analog output, switch input and relay alarm output, etc.

digital display instrument for environment control in the

working temperature: - 5 ℃ ~ + 55 ℃

storage temperature: - 25 ℃ ~ + 70 ℃, etc.

relative humidity: 93% RH or less, not dew, no corrosive gas premises

the altitude, 2500 m or less

digital display instrument control in the electromagnetic compatibility

surge anti-interference test Ⅳ level ( IEC61000 - 4 - 5)

rf conduction interference test Ⅲ level ( IEC61000 - 4 - 6)

the electromagnetic anti-interference test Ⅲ level ( IEC61000 - 4 - 8)

electrostatic interference experiment Ⅲ level ( IEC61000 - 4 - 2)

radiation anti-interference test Ⅲ level ( IEC61000 - 4 - 3)

electrical fast transient pulse interference test Ⅳ level ( IEC61000 - 4 - 4)

display characteristics of industrial instrumentation products

multipurpose general signal input, there are 24 v output, can access 2 line transmitter

with functions of temperature thermocouple sensor break detection

optional function of transmitting and relay contact output

optional 4 way switch quantity input, accept passive contact or light coupling input mode

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