Japan, SENSEZ
SENSEZ HM-450.HM-470 Immersion-type Water Level Sensors
Products Made in Japan
Manufacturer :SENSEZ
Model :HM-450.HM-470 (HM-450-05,HM-450-10,HM-450-20,HM-450-30,HM-450-50,HM-470-05,HM-470-10,HM-470-20,HM-470-30,HM-470-50)
Ideal for groundwater level measurement in small boreholes
Features
- Immersion-type
- Thin-diameter type
- Thin immersion-type water level sensor whose outer diameter is 20 mm
- Ideal for groundwater level measurement in small boreholes
- Water level measurement to an accuracy of millimeters possible
- Output signal of 1 to 5 VDC or 4 to 20 mADC from a built-in amplifier circuit
- Built-in arrester
Characteristics
- Thin immersion-type water level sensor whose outer diameter is 20 mm
- Water level measurement to an accuracy of millimeters possible
- Built-in arrester
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：＜HM-450＞200% of the rated pressure
＜HM-470＞150% of the rated pressure
Use examples and track record
- ■Level measurement for open tanks
- ■Water level measurement for underground tanks
- ■Water level observation for rivers
- ■Water level observation in wells and boreholes
- ■Water level observation for dams
- ■Water level observation for lakes
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 |
| HM-450-05 | 5mH2O |
| HM-450-10 | 10mH2O |
| HM-450-20 | 20mH2O |
| HM-450-30 | 30mH2O |
| HM-450-50 | 50mH2O |
| HM-470-05 | 5mH2O |
| HM-470-10 | 10mH2O |
| HM-470-20 | 20mH2O |
| HM-470-30 | 30mH2O |
| HM-470-50 | 50mH2O |
| Model | HM-450 | HM-470 | ||||||||
| -05 | -10 | -20 | -30 | -50 | -05 | -10 | -20 | -30 | -50 | |
| Rated pressure | 5mH2O | 10mH2O | 20mH2O | 30mH2O | 50mH2O | 5mH2O | 10mH2O | 20mH2O | 30mH2O | 50mH2O |
| Overpressure | 200% of the rated pressure | 150% of the rated pressure | ||||||||
| Power supply | 12 to 28VDC | |||||||||
| Output | 1 to 5VDC | 4 to 20mADC | ||||||||
| Current consumption | 6mA or less | _ | ||||||||
| Load resistance | 1k or more | 6000 or less(at power of 24 VDC) | ||||||||
| Accuracy (linearity) | ±0.3% F.S. or less ※1 (±0.2% F.S. or less) | |||||||||
| Temperature characteristics at zéro degrees | ±0.015% F.S. / °C or less (-2 to 30°C) | |||||||||
| Compensated temperature range | -2 to 30°C | |||||||||
| Operating temperature range | -10 to 50°C (no freezing allowed) | |||||||||
| Material | Diaphragm : SUS316L Main unit: SUS316 O-ring: Fluororubber | |||||||||
| Sealing liquid | Cap: Plastic Shrinkable tube: Polyolefin | |||||||||
| Cable | Silicone oil | |||||||||
| Tensile strength | 8 polyurethane: 10m (standard) Shield + atmospheric relief pipe | |||||||||
| Insulation resistance | 100N (Between the main unit and cable) | |||||||||
| Withstand voltage | 100M 2 or more / 500VDC 500VAC, 1 minute | |||||||||
| Weight | Main unit: approx 160g Cable: approx 65g per meter | |||||||||
- We also manufacture high-accuracy pressure sensors (accuracy: ± 0.1% F.S. or less).
Dimensions(Units:mm)
Cables / wires
| HM-450 | HM-470 | |
| Red | Power supply + | Power supply + |
| White | Output | Power supply – |
| Black | Common | _ |
| Atmospheric relief pipe | Yes | Yes |
Model
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