corrosion resistant materials such as PVDF, PP, PTFE or PVC, and the gas conductive cable is made of with PTFE or polyurethane jacket . It is mainly used for liquid level measurement of corrosive media such as acids and alkalis or s ewage, seawater and other media and all high demand liquid level measurement.


- High purity ceramic (99.9% Al2O3 ) capacitive sensor
- Fluorine rubber ring waterproof seal for plastic probe Full welding process for
metal probe. - Corrosion resistant design of probe and cable
- Large measuring range, from 0.5 meters to 4 00 meters h igher range can be
customized. - Full potting process, containing polymer sieve to prevent condensation
- Multiple protection and sealing structure design
- Plastic probe has built in counterweight
Measuring Range | |||||||||
Rated range (Gauge pressure,kPa*) | 10 | 20 | 40 | 100 | 200 | 400 | 1000 | 2000 | 4000** |
Min Range (Gauge pressure,kPa) | 5 | 10 | 20 | 50 | 100 | 200 | 500 | 1000 | 2000 |
Overload(kPa) | 400 | 600 | 600 | 1000 | 1800 | 2500 | 4000 | 4000 | 6000 |
*The measurement unit can be converted to mH2O@4ºC, inH2O@4ºC, m, mm, etc. When using m, mm, etc. as the unit, please give the density value of the measurement medium. **Range only available for metal probe |
Measuring Medium | Various liquids compatible with contact materials |
Output Signal/Power Supply (1) | 4~20mADC / Vs=10~30 VDC |
Output Signal/Power Supply (2) | 4~20mADC+HART / Vs=12~32 VDC |
Output Signal/Power Supply (3) | 0~5V etc. /Vs=10~30 VDC |
Output Signal/Power Supply (4) | Modbus-RTU/RS485 /Vs =3~8 VDC or 10~30 VDC |
Accuracy *Accuracy complies with IEC 60770 (non-linearity, hysteresis, repeatability) | ±0.25%FS(typical); ±0.1%FS(with HART) |
Load characteristics | 4~20mADC 2-wire: RL≤(U-10)/0.02Ω 4~20mADC+HART 2-wire: RL≤(U-12)/0.02Ω Voltage output, 3-wire: RL>10kΩ |
Long-term Stability | ±0.2%FS/year |
Response time | About 1ms |
Startup time | ≤3s |
Compensation temperature range | -20~80ºC |
Temperature Coefficient of Zero | ±1.0%FS (in compensation temperature range) |
Temperature Coefficient of Full Scale | ±0.8%FS (in compensation temperature range) |
Operation Temperature | Plastic Probe: -10~70ºC Note: The operating temperature of PVC material products is 0~60ºC; the operating temperature of PP material products is 0~70ºC Metal probe: -20~80ºC |
Medium Temperature | Plastic Probe: -10~70ºC; Metal probe: -20~80ºC |
Storage Temperature | Plastic Probe: -10~70ºC; Metal probe: -20~80ºC |
Protection Grade | IP68(for probe) |
Short circuit protection | With |
Ordering Code | Part | Note |
DF | Probe Shell material | PVDF,Density 1.78g/cm3,Shore hardness 77, applicable temperature -10~140ºC |
PC | PVC,Density 1.45g/cm3,Shore hardness 79, applicable temperature 0~60ºC | |
PP | PP, Density 0.91g/cm3,Shore hardness 72, applicable temperature 0~100ºC | |
FE | PTFE,Density 2.17g/cm3,Shore hardness 54~60, applicable temperature -200~260ºC | |
S6 | 316L | |
TI | titanium alloy | |
M5 | Pressure sensor | Ceramic Al2O3 99.9% |
FK | Sealing ring | FKM(applicable temperature -20~200ºC) |
FF | FFKM(More corrosion resistant,applicable temperature -25~300ºC) | |
C2F | Cable | PTFE,outer diameter(7.2±0.2)mm |
C2U | PU,outer diameter(7.2±0.2)mm |
Probe | ||||||
Material | PVC | PP | PVDF | PTFE | 316L | TI |
Weight (Cable not included) | ~500 | ~450 | ~550 | ~600 | ~660 | ~400 |
Cable | ||
Material | PTFE | PU |
Weight(1m) | ~60 | ~50 |
Plastic Probe | Metal Probe | ||
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* The size is the distance between the induction diaphragm and the bottom


Thread installation (W1) dimension |
![]() weight:~400g 1.Used for fixing and supporting the whole product on the top 2. Besides G1 thread, other threads can be customized if needed |






