EST4300 Smart Pressure Transmitters (Differential Pressure)
EST4300 Smart Differential Pressure Transmitter is microprocessor-based measuring instrument. With advanced microprocessor technology-enabled temperature and nonlinear compensation, EST4300 Smart Differential Pressure Transmitter features higher measurement accuracy, better temperature characteristic, and stability and reliability. EST4300 DP, which is compatible with HART 475 field communicator, is used to measure the level, density, and pressure of liquid, gas, and steam, convert it to 4-20mAdc current signal outputs.
Features
- High level stability and precision
- Excellet overload capacity
- Enhanced self-diagnostic capacity
- Independent Zero & Span Adjustment
- Rugged construction for shock resistance
- Digital compensation technology compensating for temperature and static pressure
- No mechanical transmission parts, less maintenance to minimize downtime
- Perfect local and remote set-up and calibration function
| Specification | |
|---|---|
| Operating Type | SMART, 2 wire |
| Range | 0~2.1-21Mpa |
| Display | LCD with Engineering Units |
| Zero Span Adjust | YES |
| Over Range Protection | 2 Times Max. Pressure |
| Square root Extraction | YES |
| Accuracy | ±0.1% |
| Stability | ± 0.125% of URL |
| Ingress Protection | IP65/IP67 |
| Power Supply | 24 VDC (Loop Powered) |
| Output Signal | 4-20Ma, HART |
| Elec. Connection | 2 Nos. 1/2" NPT(F) |
| Material of Element | SS316 |
| Material of Body | SS316 |
| Material of Housing | Die cast Alu. Epoxy Coating |
| Material of Wetted Part | SS316 |
| Span and Measuring Range | ||||||
|---|---|---|---|---|---|---|
| Span | Pressure Range | Level Range | GP | AP | DP | HP |
| 2 | 0ｰ0.1~1.5kpa | 0-10~150mmH2O | * | * | ||
| 3 | 0ｰ0.7~7.0kpa | 0-70~700mmH2O | * | * | ||
| 4 | 0ｰ4.0~40kpa | 0-400~4000mmH2O | * | * | * | * |
| 5 | 0ｰ20~200kpa | 0-2000~20000mmH2O | * | * | * | * |
| 6 | 0ｰ70~700kpa | 0-0.7~7kgf/cm2 | * | * | * | * |
| 7 | 0ｰ210~2100kpa | 0-2.1~21kgf/cm2 | * | * | * | * |
| 8 | 0ｰ700~7000kpa | 0-7.0~70kgf/cm2 | * | * | * | |
| 9 | 0ｰ2.1~21Mpa | 0-21~210kgf/cm2 | * | * | ||
| 0 | 0ｰ4.1~41Mpa | 0-41~410kgf/cm2 | * | |||
Application
- Electricity
- Water Conservancy
- Metallurgy
- Environmental Protection
- Petrifaction
- Pharmacy
- Paper-making
- Furnace
Technology
EST4300 Smart Transmitter consists of sensor module and electronic board. The sensor includes capacitance sensor, measuring diaphragm detection circuit, temperature sensor and temperature compensation circuit; the electronics board includes microprocessor controller and external circuit, capable of pressure signal conversion of 4～20mA dc.
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