HR310 series digital pressure transmitter use top quality pressure components 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, mechanical part with full seal stainless steel structure, both of them improve the reliability of the whole transmitter. The high precision digital pressure transmitter is widely and successfully used in many industries, such as pressure measurement of industry, hydrology and water conservancy, geological prospecting and etc.
Anti-surge, electromagnetic interference
High stable pressure sensing unit, with long-term stability
High precision, up to 0.05％F.S(Linearity, repeatability, hysteresis)
Adopts mixed signal microprocessor to realize high precision compensation
RS485 Standard MODBUS-RTU Protocol output, can be used in DCS or PLC system;
Low power consumption, when operating at full speed, the power consumption is about 4mA, outstanding performance on external battery supply
| Main performance indicators | |
| Range | 0～0.01～100MPa |
| Accuracy | 0.05％F.S（Optional），0.1％ F·S , 0.25%F·S |
| Resolution | 0.005％F.S |
| Stability | ＜0.1%F.S/year |
| Overload capability | 2X F.S |
| Temperature characteristics | |
| Compensation temperature | 0～70℃ |
| Operating temperature | -20～85℃ |
| Storage temperature | -40～125℃ |
| Electrical characteristics | |
| Power Supply | 24VDC（9～30V） |
| Communication interface protection | （2KV） Surge voltage |
| Load capability | 128 transmitter nodes |
| Output method | RS485 interface ,MODBUS-RTU |
| Insulation | 100MΩ @50V |
| Structural characteristics | |
| Sensor service life | 106 times full pressure running |
| Contacting with liquid material | 316L stainless steel |
| Sealing material | Fluororubber |
| Housing material | 316L stainless steel(titanium alloy optional) |
| Cable material | Polyurethane, PVC optional |
| Weight | ~200g |
| Environmental characteristics | |
| Vibration | 20g 20～5000Hz |
| Shock | 20g 11ms |
| Protection level | IP67 |
| Explosion-proof grade | ExiaⅡC T6 |
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