capacitive liquid level sensor : Measuring ranges: 0 ~10mmH2O ~20mH2O Power supply: 10.5-45VDC Output signal:4-20 mA or 1-5 V

4-20ma level sensor STK633 with hart protocol and 10 meters cable

Output signal : 

* 2-wire-system :  4...20 mA with superimposed signal for HART protocol digital communication * 3-wire-system (optional):  1...5V* Signal range:  3.8mA...22.8mA * Signal on alarm :  3.8mA/ 22.8mA/Others on request

Electrical protection :

* Insulation resistance : >250M * Short-Circuit protection : Permanent * Reverse polarity protection : No damage, and no function * Overvoltage protection : 500 V

Performance : 

* Static pressure effect :Zero error: 0.1%/7Mpa                                         Span error: 0.2%/7Mpa * Power supply effect :Negligible* Vibration effect :<0.01% of URL /g when tested 200Hz in any axis relative * Thermal effect :  ±0.05%/10K* Compensated temperature range of sensor:  -20...80°C* Permissible load: ≤50(V-12)Ω* Stability:  0.1% FSO/Year * Switch on delay : 5s * Damping :  0 to 100s, step: 0.1s* Response time:  200 ms (without consideration of electronic damping) * Self stability configuration :0 to 2% * Filter configured:  0 to 160 uA * Communication resistance for HART protocol: Typ. 250 Ω

Application conditions:

* Humidity : 5...98% * Ambient and operation : -30-85°C (without display), -20-70°C (with display) * Storage : -30-85 °C* Ingress protection :IP 68 * Electromagnetic compatibility(EMC):Interference immunity and interference emission according   to GB/T17626.2-1998), compliance with IEC 61000-4-3:1995.