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Pick the our product,
it will be best choice.
Sanup indicators are based on 56 years of accumulated technology.
The biggest characteristic of our products is that it is easy and convenient for users to use it based on stable control and quality.

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EN
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SDM 5600 / SDM 5700
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Universal Input
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4-20mAdc Re-transmission output
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DC Power supply
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2 point alarm. 4 point max.
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RS 485 MODBUS interface
Digital Alarm Indicator

SDM 700
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Universal Input
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4-20mAdc Re-transmission output
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DC Power supply
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2 point alarm for each channel
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RS 485 MODBUS interface
Large Digital Alarm Indicator
Large Thermp/Humi Indicator
Temperature Indicator
Transmitter
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