HR8008 water Level transmitter is one kind of pressure water level gauge which is used for long-term monitoring surface water groundwater level and water temperature. The transmitter adopts the ceramic pressure-sensitive element with the features of high stability high precision and over load ability. With mixed signal processing technology and unique compensation methods to realize high precision digital pressure measurement F S digital linearity correction full temperature digital temperature compensation compensation data stored in nonvolatile memory multiple safety protection system to avoid the products cannot be used due to correction data lost; Circuit part with power and watchdog monitor which improve the reliability and avoid accident such as crash or program down.
FS digital calibration and temperature compensation
RS485 interface and MODBUS-RTU standard protocol
Reverse power protection over voltage protection
Full stainless steel sealed construction IP68 protection
Dry ceramic pressure-sensitive element with long-term stability
With strong over load anti-corrosion
| Main Specification | |
| Accuracy | ±0.25% F·S(0～2 mH2O) ;±0.05% F·S(0～10 mH2O) |
| Range | 0～0.5 mH2O… 10mH2O |
| Long-term stability | ＜0.05%F·S/year |
| Overload capability | 5X F·S |
| Temp. Accuracy |
±0.2 ℃（0～70 ℃） |
| Temp. Resolution | 0.05℃ |
| Temperature characteristics | |
| Compensation temp. | 0～70℃ |
| Operating temp. | -10～80℃ |
| Drift of temp. | Zero： <0.005%F.S/℃ |
| F.S：<0.005%F.S/℃ | |
| Storage temp. | -40～125℃ |
| Electrical characteristics | |
| Power Supply | DC9～30V （typ.24V） |
| Power Protection | Anti-reverse connection over voltage protection |
| Output method |
RS485/MODBUS-RTU protocol ：128 nodes or 4～20mA |
| Structural characteristics | |
| Sensor material | Alumina ceramic gold plating |
| Housing material | Stainless steel316L or titanium alloy |
| Cable material | Polyurethane or PVC optional |
| Cable |
Φ7.6m，with Shielding la |
| Environmental characteristics | |
| Protection level | IP68 |
| Insulation | 100MΩ@50V |
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