HPM81
0.075%
IP66
CE
Customized
mA,Pa,kPa,MPa,bar,mbar,%,psi,mmH2O
4-20mADC with HART
0.075%
10.5~45V DC
-40~85ºC
-40~90ºC
stainless steel or aluminium alloy
SUS316L, Hastelloy C-276 etc
FKM
316L
Silicon oil or Fluorine oil or sanitary oil
3
5-digit LCD
Terminals and M20×1.5 cable gland
Exia II CT4;Exd II CT6
HIGHJOIN
Carton
2.9~3.1kg
China
90262010
Product Description
- High accuracy & stability, environment suitability
- Intelligent static pressure compensation and temperature compensation
- Flexible range of compression
- Easy to operate,built-in three-button with quick operation and field adjustment functions
- With 5 bit LCD digital display with backlight
- Multiple display functions(mA,Pa,kPa, MPa,bar,mbar,%,psi,mmH2O)


HPM81 single crystal silicon differential pressure transmitter adopts single crystal silicon sensor chip made of MEMS technology and embedded professional signal processing module to realize the combined processing of static pressure and temperature compensation, and can provide high measurement accuracy and long-term stability under a wide range of static pressure and temperature changes.
Measuring Medium | Liquid, Gas or Steam |
Pressure Range | -4MPa~4MPa |
Output Signal | 4~20mADC with HART |
Permissible Load Resistance | 0~600Ω(DC 24V) |
Supply Voltage | 10.5~45VDC (General Service), 10.5~26VDC (Intrinsic safety and explosion-proof) |
Zero-scale Migration | Within between -20% ~ 20% of maximum range |
Ambient Temperature | -40~85ºC (when fluorocarbon oil filled:-10~60ºC) |
Storage Temperature | -40~90ºC |
Accuracy | TD 1:1…15:1 =±0.075% TD>15:1 =±(0.0015×TD+0.053) % |
Output Mode | Linear output, square root output |
Static Pressure Influence | ±0.05% of range/10MPa |
Overpressure Influence | ±0.05% of maximum range/10MPa |
Stability | ±0.05% of maximum range /12 months |
Protection of Shell | IP65 |
Explosion - proof on demand | Ex ia II C T6 Ga Ex db IIC T4...T6 Gb Ex tb IIIC T85ºC...T135ºC Db |
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Item NO. | Code | Illustration | ||||||||||||
HPM81 | - - - - - - - - - - - - - - - - - - - - - - - - - - - | Monocrystalline Silicon Differential Pressure Transmitter | ||||||||||||
Output Signal | H - - - - - - - - - - - - - - - - - - - - - - - - - - - | 4~20mA,HART Protocol Digital Communication | ||||||||||||
Measuring Range (diaphragm capsule) | M1 - - - - - - - - - - - - - - - - - - - - - M2 - - - - - - - - - - - - - - - - - - - - - M3 - - - - - - - - - - - - - - - - - - - - - M4 - - - - - - - - - - - - - - - - - - - - - L1 - - - - - - - - - - - - - - - - - - - - - | Range :-40~40kPa Range:-100~100kPa Range:-200~200kPa Range:-400~400kPa Range:-4~4MPa | ||||||||||||
Material of Contacted Liquid | S - - - - - - - - - - - - - - - - - - - - H - - - - - - - - - - - - - - - - - - - T - - - - - - - - - - - - - - - - - - - G - - - - - - - - - - - - - - - - - - - | Isolation diaphragm:SUS316L Clamping Plate :SUS316 Isolation diaphragm: Hastelloy C Clamping Plate:SUS316 Isolation diaphragm:Tantalum Clamping Plate:SUS316 Isolation diaphragm: Gold Plating Clamping Plate:SUS316 | ||||||||||||
Filling Liquid | S - - - - - - - - - - - - - - - - - - F - - - - - - - - - - - - - - - - - - O - - - - - - - - - - - - - - - - - - | Silicone Oil Fluorocarbon Oil Vegetable Oil | ||||||||||||
Thread Spec | N14F - - - - - - - - - - - - - - N12F - - - - - - - - - - - - - - M20M - - - - - - - - - - - - - - | 1/4NPT Internal Thread 1/2NPT Internal Thread M20*1.5 External Thread | ||||||||||||
Seal Ring | F - - - - - - - - - - - - D - - - - - - - - - - - - J - - - - - - - - - - - - | Fluororubber Buna-n O-Ring Laser Welding | ||||||||||||
Electrical Connection | M20 - - - - - - - - - - - | M20x1.5 | ||||||||||||
Display Header | D - - - - - - - - - N - - - - - - - - - | with LCD dispaly N/A | ||||||||||||
2-inch Installment Holder | H - - - - - - - V - - - - - - - N - - - - - - - | Tablet Holder Right-angle Holder N/A | ||||||||||||
Holder Material | T - - - - - - S - - - - - - X - - - - - - | Sherardize on Carbon Stell Stainless Steel 304 Other Requirements | ||||||||||||
Wireless Adjustment Function | W - - - - - N - - - - - | with Wireless Adjustment Function N/A | ||||||||||||
Explosion-Proof | I - - d - - N - - | Intrinsic Safety Type,Exia II CT6 Explosion-proof Type,Exd II CT6 N/A | ||||||||||||
Order Code | V | Special Requirements | ||||||||||||
Reference Item:HPM81-H-M1-S-S-N14F-F-M20-D-V-T-W-N-V |



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.
A: We could accept T/T, Paypal, WU.