Sentec
SENTEC - Model SEM225D -4-20mA RS485 Online Realtime Detecting Apex Conductivity EC Salinity Probe
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Temperature measurement range
-40~+80°C
Humidity measurement range
0~100%RH
EC/Salinity measurement range
0-20000us/cm, 0~10000us/cm
Accuracy
Temperature
±0.5℃
Humidity
2% (@0-50%), 3% (@50-100%)
EC/Salinity
±3% (@0-10000us/cm)
±5% (@10000-20000us/cm)
Resolution
Temperature
0.1℃
Humidity
0.03% (@0-50%), 1% (@50-100%)
EC/Salinity
10us/cm (@0-10000us/cm)
50us/cm (@100000-20000us/cm)
Signal output
4~20mA/RS485 output (Only EC model support 0~5V/0~10V)
Probe length
70mm
Working voltage
12~24VDC
Long-term stability
≤5%/year
Working temperature
0~55℃
Response time
≤1s
Probe diameter
3mm
Power consumption
≤0.15W (@12VDC,25℃)
Electrical connections
Direct lead