HPM285 Intelligent Pressure Transmitter is a intelligent product for measuring pressure with high accuracy and stability. This product adopts all-welded oil-filled core and ADI dedicated chip and with microprocessor technology. It has many functions such as field display, data processing, adjustable zero-scale and full-scale, 4-20mSDC output and communication, etc.
Features:
·Communication interface or HART communication protocol(optional)
·Digital compensation technology and non-linear correction technology
·-10ºC~70ºC digital wide temperature compensation
·Support networking application
·Digital display
·Special requirements can be customized , apply to various occasions
Parameters:
| Measuring Medium | Liquid, Gas, Steam |
| Pressure Range | 0~0.02...100MPa |
| Overload | 1.5 times pressure range of full scale |
| Pressure Type | Gauge, Absolute or Sealed Gauge |
| Accuracy | ±0.25%FS |
| Long-term Stability | ±0.2%FS/year |
| Temperature Coefficient of Zero | ±0.03%FS/ºC(Reference 25ºC) |
| Temperature Coefficient of Full Scale | ±0.03%FS/ºC(Reference 25ºC) |
| Compensation Temperature | -10~70ºC |
| Working Temp | -20~80ºC |
| Storage Temp | -30~85ºC |
| Supply Voltage | 24VDC |
| Output Signal | 4~20mADC; RS485 interface / HART protocol |
| Insulation Resistance | 100MΩ,500VDC |
| Vibration | 20g(20~5000Hz) |
| Impact | 20g(11ms) |
| Ingress Protection of Shell | IP65 |
Structure Drawings:
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Electrical Connection:
a)RS485 Electrical wiring diagram of interface transmitter


b)HART Protocol transmitter is connected with the operator and configuration system


Ordering Guide:
| Item NO. | Type | |||||||
| HPM285 | Intelligent Pressure Transmitter | |||||||
| Pressure Range | Measuring Range | |||||||
| (0~X)kPa | Fill out X directly | |||||||
| Code | Output Signal | |||||||
| B1 | (4~20)mA | |||||||
| B7 | RS485 | |||||||
| B8 | HART | |||||||
| Code | Thread Spec | |||||||
| P1 | M20×1.5 | |||||||
| P4 | G1/2 | |||||||
| Code | Electrical Connection | |||||||
| C2 | Cable Outlet | |||||||
| Code | Structure&Material | |||||||
| Diaphragm | Interface | Shell | ||||||
| M1 | 316L | 316L | Stainless Steel | |||||
| M2 | 316L | 316L | 316L | |||||
| M3 | Tantalum | Hastelloy | 316L | |||||
| M4 | Titanium | Titanium | 316L | |||||
| Code | Additional Functions | |||||||
| G | Gauge Pressure(Default) | |||||||
| A | Absolute Pressure | |||||||
| S | Sealed Gauge Pressure | |||||||
| D1 | LED Display | |||||||
| D2 | LCD Display | |||||||
| W | water-proof and ventilated treatment | |||||||
| HPM285 | (0~600)kPa | B1 B8 | P1 | C2 | M1 | G D1 | ||
Related Products:




Certification:

FAQ:
1. Q: Are you manufacturer or trading company?
A: We are manufacturer which focuses on sensor for 10 years.
2. Q: What's your quality control system?
A: MC, ISO9001, CE Certificated.
3. Q: What is the warranty of your products?
A: Our warranty time is 18 months after shipment.
A: We could accept T/T, Paypal, WU.








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