316L Stainless Steel IP68 Waterproof Liquid Level Transmitter with 0.25% Accuracy for Water Pressure and Fuel Level Sensing
Product Details
| Model NO.: | BH93420-III | Output Signal: | Analog Type |
|---|---|---|---|
| Production Process: | Piezoresistive Diffused Silicon Pressure Sensor | Material: | Stainless Steel |
| IP Rating: | IP68 | Net Weight: | 1.5kg |
| Diaphragm Material: | 316L Stainless Steel | Accuracy: | 0.25%,0.3%,0.5% |
| Cable Material: | PE,PU,PTFE | Measurement Range: | 0~1m…400mH2O |
| Pressure Type: | Gauge Pressure, Absolute Pressure, Sealed Pressure | Operating Temperature: | -20~80ºC |
| Storage Temperature: | -30~100ºC | Explosion-proof Rating: | ExiaIICT6 |
| Insulation Resistance: | >=100MΩ@100VDC | ||
| Highlight |
316L Stainless Steel Liquid Level Transmitter,IP68 Waterproof Water Pressure Sensor,0.25% Accuracy Fuel Level Sensor |
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Product Description



- Split-type design for easy on-site wiring and calibration
- Integrated LED display for clear readings
- Explosion-proof rating: ExiaIICT6
- High protection rating: IP68
- Multiple cable options: PE, PU, PTFE
- Compatible with 316L stainless steel and non-corrosive liquids
- Water level monitoring for sewage, industrial water, municipal water systems, tanks, wells, rivers, seawater, and lakes
- Diesel, fuel, and oil tank level monitoring
| Measurement Range | 0~1m…400m H₂O |
| Pressure Type | Gauge Pressure, Absolute Pressure, Sealed Pressure |
| Overload Capacity | ≤ 2X rated range |
| Accuracy @ 25ºC | ±0.25% (Typ.) ±0.5% (Max.) |
| Repeatability | ±0.03% (Typ.) ±0.05%FS (Max.) |
| Hysteresis | ±0.03% (Typ.) ±0.05%FS (Max.) |
| Long-Term Stability | ±0.15%F.S/year (Max.) |
| Zero Temperature Drift | ±0.01%FS/ºC(>100KPa), ±0.02%FS/ºC (≤100Kpa) |
| Span Temperature Drift | ±0.01%FS/ºC(>100KPa), ±0.02%FS/ºC (≤100Kpa) |
| Compensation Temperature | 0-50ºC (0-1m . 0-2m); 0-70ºC |
| Operating Temperature | -20~80ºC |
| Storage Temperature | -30~100ºC |
| Vibration Resistance | 10g, 55Hz ~ 2kHz |
| Shock Resistance | 100g |
| Housing Material | Cast aluminum, 1Cr18Ni9Ti |
| Diaphragm Material | 316L Stainless Steel |
| Insulation Resistance | >=100MΩ@100VDC |
| Explosion-proof Rating | ExiaIICT6 |
| Protection Rating | IP68 |
| O-Ring Seal | Fluoro rubber |
| Weight | ~1.5Kg (without cable) |
| Cable Material | Polyethylene, Polyurethane, PTFE cable |
| Output Signal | Supply Voltage | Connection Type |
|---|---|---|
| 4~20mA | 15~30VDC | 2/3/4 wire |
| RS485 Communication Protocol | 4 wire |




- Verify measured medium compatibility with product components
- Specify density of the measured medium
- Disclose strong electromagnetic or radio frequency interference environments
- Install lightning protection devices and ensure proper grounding for reliable operation
| BH93420 | Code | Outline Construction |
| I | Pressure Transmitter | Measurement Range: 0~10m…400m |
| Code | Power Supply | |
| D1 | 24VDC | |
| D2 | 5VDC | |
| D3 | Other | |
| Code | Output Signal | |
| S1 | 4~20mADC | S5: 0~20mADC |
| S2 | 1~5VDC | S6: 0~10VDC |
| S3 | 0~5VDC | S7: 0.5~4.5VDC |
| S4 | 0~10mADC | S8: RS485 |
| Code | Pressure Type | |
| G | Gauge Pressure | |
| A | Absolute Pressure | |
| S | Sealed Reference Pressure | |
| Code | Material | |
| 01 | 304 Stainless Steel | |
| 02 | 316L Stainless Steel | |
| Code | Cable Material | |
| C1 | PE | |
| C2 | PU |





Product Highlights
High-precision BH93420-III liquid pressure transmitter with 316L stainless steel, IP68 & ExiaIICT6 ratings. Offers 0.25% accuracy, custom OEM options, and measures water/fuel levels from 1-400m.
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