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SM2121M using the standard DC4-20mA current output signal,easy access to PLC，DCS and other
instruments or systems for monitoring pH state quantities.The internal use of high -precision sensing core
and related devices to ensure high reliability and excellent long-term stability,can be customized
RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
Technical Parameters
Technical parameter
Brand
best Industrial Co., Ltd
Sha nghai Son
SM2121M Us er Ma nual
4-20mA current type liquid pH sensor
File Version: V22.1.20
http://www.sonbus.com/
SM2121M
User Manual
Parameter value
SONBEST
Page1
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Summary of Contents for SONBEST SM2121M
- Page 1 User Manual File Version: V22.1.20 SM2121M using the standard DC4-20mA current output signal,easy access to PLC，DCS and other instruments or systems for monitoring pH state quantities.The internal use of high -precision sensing core and related devices to ensure high reliability and excellent long-term stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
- Page 2 SM2121M Us er Ma nual PH range 4~14 ±0.5 PH accuracy Communication Interface DC4~20mA Power DC12~24V 1A Running temperature -40~80° C Working humidity 5%RH~90%RH Wiring instructions Any incorrect wiring can cause irreversible damage to the product. Please carefully wire the cable as follows in the case of power failure, and then connect the cable to confirm the correctness and then use it again.
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