Product Overview:
HPM288S explosion-proof pressure switch adopts high-performance silicon piezoresistive pressure core body, which is converted by high-precision A/D, processed by microprocessor, displayed on site, and outputs one analog quantity and two switching quantities.The product integrates pressure measurement, display, output and control, and is widely used in industrial process control, petroleum,chemical, metallurgical and mining industries.This product complies with gb3836.1-2010 Explosive
Environment -- Part 1: General Requirements for Equipment gb3836.2-2010 Explosive Environment.Equipment protected by a flameproof Enclosure "D".Explosion-proof marks Exd II CT6, altitude and in the following environmental air temperature and relative humidity conditions, flameproof pressure sensor can be normal operation:altitude does not exceed 2000 m;Ambient air temperature -10ºC ~ +60ºC;Ambient relative humidity is 90% (+25ºC).
Features:
- Segregation explosion-proof Exd II CT6 Gb, explosion-proof number CNEx19.4440 X
- Switching value can be set arbitrarily from zero scale to full scale
- Shell with action nodes light emitting diode, easy to observe
- Key adjustable and field setting various parameters, easy to operate
- Two-way control point relay output
- Analog output (4 ~ 20 mA) (optional)
Parameters:
| Measuring Medium |
Liquid, Gas, Steam |
| Pressure Range |
-100kPa...0~10kPa...100MPa |
| Overload |
1.5 times pressure range of full scale |
| Pressure Type |
Gauge, Absolute or Sealed Gauge |
| Accuracy |
±0.25%FS (Representative), ±0.5%FS (Maximum) |
| Long-term Stability |
±0.1%FS/year(Representative), ±0.2%FS/year (Maximum) |
| Temperature Coefficient of Zero |
±0.03%FS/ºC(Reference 25ºC) |
| Temperature Coefficient of Full Scale |
±0.03%FS/ºC(Reference 25ºC) |
| Working Temp |
-30~85ºC(Normal);-20~60ºC(Explosion-proof) |
| Storage Temp |
-40~120ºC |
| Supply Voltage |
8~32VDC(Relay Output),18~32VDC(Relay output with 4~20mA output) |
| Output Signal |
Two-way relay output,4~20mADC(optional) |
| Display Mode |
4-bit 0.36 inch LED (red), display range: -1999 ~ 9999 |
| Insulation Resistance |
100MΩ,500VD |
| Ingress Protection of Shell |
IP65 |
Structure Drawings:
Electrical Connection:
![]()
Ordering Guide:
![]()
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.
4. Q: What is lead time of your product?
A: Normally, our factory lead time is within 10~15 working days for products without customization. You can also check lead time detail with our sales depending on different items.
5. Q: Do you provide customized products?
A: Yes, we can laser mark your logo on products; OEM and ODM customization are welcomed.
6. Q: What is your MOQ?
A: We have no MOQ limit, small quantity order is acceptable.
7. Q: What's the transport?
A: Express such as DHL, FedEx, TNT, UPS for freight prepaid; and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.
8. Q: What is your terms of payment ?
A: We could accept T/T, Paypal, WU.
){kind=link}
){kind=link}