The HR8006 universal digital water level gauge is an input type water level measuring instrument with a stainless steel full-sealed structure, which greatly improves the reliability of the whole machine and can be put into the water for a long time. Since the circuit uses low-power devices, the overall power consumption is very low, about 4mA at full speed. This feature is very useful in situations where battery power is required.
Widely used in freshwater drinking water treatment, waste water and sewage treatment, seawater measurement, surface water or groundwater monitoring in the hydrology and water industry.
High stability liquid level measuring sensor element, good long-term stability
RS485 standard MODBUS-RTU protocol, can be used in DCS or PLC system
The product also has reverse power protection and surge protection
Optional unique air filter to prevent condensation and blockage in the atmosphere compensation capillary
Low power consumption, when operating at full speed, the power consumption is about 4mA, which is outstanding when it is powered by an external battery.
| Main performance indicators | |
| Range | 0～10、20、50、100mH2O |
| User specified range, factory calibration | |
| Measurement Accuracy | 0.05％F.S（Optional），0.1％ F·S（typical） |
| Resolution | 0.005％F.S |
| Long-term stability | 0.1%F.S/year |
| Overload capability | 5X F.S |
| Temperature characteristics | |
| Zero temperature coefficient | 0.005％ F·S/℃ |
| F.S temperature coefficient | 0.005％ F·S/℃ |
| Compensation temp. | 0～50℃ |
| Operating temp. | -20～85℃ |
| Storage temp. | -40～125℃ |
| Electrical characteristics | |
| Supply voltage | 24VDC（9～30V） |
| Communication interface protection | (2KV) surge voltage |
| Load capacity | 128 transmitter node |
| Output method | RS485 interface, MODBUS-RTU protocol |
| Insulation | 100MΩ @50V |
| Mechanical properties | |
| Sensor life | 107 times full scale pressure cycles |
| Material in contact with liquid | Alumina ceramic gold plating |
| Seal material | fluororubber |
| Housing material | 316L stainless steel (optional titanium alloy) |
| Cable material | Polyammon |
| Weight | About 300 grams |
| Environmental characteristics | |
| Vibration | 20g 20～5000Hz |
| Shock | 20g 11ms |
| Protection level | IP68 |
| Explosion-proof grade | ExiaⅡC T6 |
| Air filter protection rating | IP67 |
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