Japan, SENSEZ
SENSEZ JW-8700.JW-8600 Immersion-type Water Level Sensors / Water Pressure Sensors

Products Made in Japan
Manufacturer :SENSEZ
Model :JW-8700.JW-8600 (JW-8700-020KP,JW-8700-050KP,JW-8700-100KP,JW-8700-300KP,JW-8700-500KP,JW-8700-02M,JW-8700-05M,JW-8700-10M,JW-8600-020KP,JW-8600-050KP,JW-8600-100KP,JW-8600-300KP,JW-8600-500KP,JW-8600-02M,JW-8600-05M,JW-8600-10M)
Fully waterproof, low cost type, ideal for water level and water pressure sensors
Features
- Immersion-type
- Water pressure measurement
- When used as an immersion-type water level sensor :
- Ideal for water level observation for water channels, groundwater, reservoirs, tanks, etc.
- Measurement to an accuracy of millimeters possible
- Need for atmospheric correction eliminated by the built-in atmospheric relief pipe
- When used as a water pressure sensor :
- Full waterproof type with the IP68 structure with high environmental resistance Air release possible with a sealed screw
- Wide range of positive pressure, negative pressure, and compound pressure
- Output signal of 1 to 5 VDC or 4 to 20 mADC from a built-in amplifier circuit
Characteristics
●When used as an immersion-type water level sensor
- ・Ideal for water level observation for water channels, groundwater, reservoirs, tanks, etc.
- ・Measurement to an accuracy of millimeters possible
- ・Need for atmospheric correction eliminated by the built-in atmospheric relief pipe
●When used as a water pressure sensor
- ・Full waterproof type with the IP68 structure with high environmental resistance
- ・Air release possible with a sealed screw
- ・Wide range of positive pressure, negative pressure, and compound pressure
●Negative pressure and compound pressure types are also available.
Specifications
- Accuracy:± 0.3% F.S. or less
- Output signal of 1 to 5 VDC or 4 to 20 mADC from a built-in amplifier circuit
- Overpressure:<JW-8700>200% of the rated pressure
<JW-8600>150% of the rated pressure
Use examples and track record
- Water pressure control for underground pipelines
- Water level control inside utility holes
- Level measurement for open tanks
- Filter clogging detection
- Water level measurement for underground tanks
- Water level observation for rivers
- Water level observation in wells and boreholes
Industries where our products are widely used
Precision equipment, semiconductors/liquid crystal, machinery, food/drug production, industrial material, government office, university, esearch institution etc.
| Model | Rated pressure |
| JW-8700-020KP | 0~20kPa |
| JW-8700-050KP | 0~50kPa |
| JW-8700-100KP | 0~100kPa |
| JW-8700-300KP | 0~300kPa |
| JW-8700-500KP | 0~500kPa |
| JW-8700-02M | 0~2mH2O |
| JW-8700-05M | 0~5mH2O |
| JW-8700-10M | 0~10mH2O |
| JW-8600-020KP | 0~20kPa |
| JW-8600-050KP | 0~50kPa |
| JW-8600-100KP | 0~100kPa |
| JW-8600-300KP | 0~300kPa |
| JW-8600-500KP | 0~500kPa |
| JW-8600-02M | 0~2mH2O |
| JW-8600-05M | 0~5mH2O |
| JW-8600-10M | 0~10mH2O |
| Model | JW-8700.JW-8600 | |||||||
| Water pressure sensor | Water level sensor | |||||||
| -020KP | -050KP | -100KP | -300KP | -500KP | -02 MP | -05 MP | -10 MP | |
| Rated pressure * 1 | 0~20kPa | 0~50kPa | 0~100kPa | 0~300kPa | 0~500kPa | 0~2mH2O | 0~5mH2O | 0~10mH2O |
| Pressure type | Gauge pressure * 2 | |||||||
| Overpressure | JW-8700: 200% of the rated pressure / JW-8600 150% of the rated pressure | |||||||
| Wetted part material | Diaphragm: SUS316L Pressure port: SUS316 O-ring: Fluororubber Cap: Plastic Shrinkable tube: Polyolefin | |||||||
| Sealing liquid | Silicone oil | |||||||
| Power supply | 12 to 28VDC | |||||||
| Output | JW-8700: 1 to 5VDC / JW-8600 : 4 to 20mADC | |||||||
| Current consumption | JW-8700: 6mA or less | |||||||
| Load resistance | JW-8700: 1k 2 or more / JW-8600 : 600 Ω or less (at power of 24 VDC) | |||||||
| Responsiveness | 5msec or less | |||||||
| Accuracy (linearity) | 5msec or less ±0.3% F.S. or less (± 0.2% F.S. or less) | |||||||
| Zero temperature characteristics | ±0.025% F.S./°C or less (0 to 60°C) | ±0.015% F.S./°C or less (-2 to 30°C) | ||||||
| Compensated temperature range | O to 60°C | 2 to 30°C | ||||||
| Operating temperature range | -10 to 70°C (no freezing allowed) | |||||||
| Pressure connection port | G1/2 female screw | |||||||
| Cable | 7 vinyl: 10m (standard) Shield + atmospheric relief pipe | |||||||
| Tensile strength | 100N (Between the main unit and cable) | |||||||
| Structure | IP68 | |||||||
| Insulation resistance | 100MQ or more / 500VDC | |||||||
| Withstand voltage | 500VAC, 1 minute | |||||||
| Vibration resistance | 98.1 m/s², 2 hours (X, Y, and Z directions) | |||||||
| Weight | Main unit: approx 250g Cable: approx 65g per meter | |||||||
| Impact of mounting orientation (port orientation changed from downward to sideways | + 0.5%F.S. | + 0.3%F.S. | +0.1%F.S. | _ | + 0.5%F.S. | + 0.3%F.S. | +0.1%F.S. | |
- We also manufacture negative pressure and compound pressure sensors (gauge pressure of 500 kPa or less).
- Make sure that the operating vacuum pressure is 10 kPa abs or more. (Operating temperature range: 0-60℃)
Dimensions(Units:mm)

Cables / wires
| JW-8700 | JW-8600 | |
| Red | Power supply + | Power supply + |
| White | Output | Power supply – |
| Black | Common | _ |
| Atmospheric relief pipe | Yes | Yes |
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