digital IoT pressure transmitter rs485 output battery powered transmitter IP65 high accuracy

• Type: Piezoresistive Pressure Sensor
• Component: SemiConductor Type
• For: Diffused Silicon Pressure Transmitter
• Output Signal Type: Digital Type
• Production Process: Integration
• Material: Stainless Steel
• Model NO.: HPM240L
• Thread Type: G
• Wiring Type: Four-Wire
• Measuring Medium: Liquid Gas Stream
• IP Rating: IP65
• Certification: ISO9001
• Customized: Customized
• Sensor Type: Pressure Sensor
• Pressure: -100kPa...0~10kPa...100MPa(G);0~20kPa...10MPa(A)
• Over Pressure: 1.5 times the full scale
• Accuracy: ±0.5%F.S.
• Supply: 3.1~8Vdc Battery or 5Vdc, 24Vdc ex. power
• Output: RS485
• Working Temp: -30~70ºC
• Medium Temperature: -40~100ºC
• Protection of Shell: IP65
• Transport Package: Carton
• Trademark: HIGHJOIN
• Origin: China
• HS Code: 90262010
• Production Capacity: 50000 Pieces / Year

Product Description

Features:

1. Low Power Consumption
2. lithium battery powered 
3. LED Display
4. With RS485 signal output,easy adapted with wireless module
5. Special Anti-condensation design

Typical Application

1. IoT
2. Water Treatment Industry
3. Groundwater,rivers, lakes
4. Ship
5. Industrial Process control

 

Overview

HPM240 low power consumption pressure transmitter uses high quality stable pressure sensor as the measurement element, it use high accuracy conditioning circuit converting pressure measurement value into standard RS485 signal . This product has extremely low power consumption and long service life with lithium-ion battery. The product has display, and with RS485 signal output, it can be networked or embedded with wireless module implement wireless transmission.

With long-term aging and stability testing, the product is suitable for harsh outdoor environment and can be widely used for groundwater, rivers, lakes, surface water tanks, and inventory water tanks.

Technical Parameters

Range
Measurement range	-100kPa…0~10kPa…100MPa(G) 0~20kPa…10MPa(A)
Overload	1.5 times for Full scale
Notes:Can also use mH2O,inH2O,m,mm, etc. as unit Need to highlight the density of liquid to be measured when use length unit such as m,mm etc.

Medium
Type	Liquid which applicable with the contact material

Output Signal/Power Supply
Output Signal/	RS485
Power Supply	Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh) Vs=5VDC  (External power supply) Vs=24VDC (External power supply)

Power Consumption
Standby current	<20uA
Date collection cycle	0~65535s
Power Consumption	About 200uA with date collection cycle as 1s About 70uA with date collection cycle as 3s About 50uA with date collection cycle as 5s ... Note:Longer date collection cycle, lower consumption,

Performance
Accuracy	±0.5%FS
Long-term stab.	±0.25%FS/year

 

Environmental
Temperature Ambient	Medium temperature:-40~125ºC LCD display:-30~70ºC Storage temperature:-30~70ºC
Protection	IP65

 

Thermal Offset
Compensated Temp.	-10~70ºC
Zero point	±1.5%FS(reference 30ºC,within compensated temperature range); ±2.0%FS(10kPa)
Full scale point	±1.5%FS(reference 30ºC,within compensated temperature range);±2.0%FS(10kPa)

 

Electronic protection
Reverse polarity protection	No damage. Product will not work.
EMC	Compliance EN 61326

 

Mechanical Stability
Vibration	20g(20~5000Hz)
Shock	20g(11ms)

 

Insulation
Insulation resistance	>100MΩ,500VDC
Insulation voltage	500VAC 50Hz voltage,no breakdown or arc within 1min

Profiles

 

Part	Note
Pressure sensor	Silicon Piezoresistive,316L
O ring	FKM(working temperature: -20~200ºC)
	NBR(working temperature: -40~120ºC)
Construction of display/gauge part	Cast aluminum alloy

Output signal	Four wires Modbus-RTU/RS485
Definition	Supply(+V)	Supply(-V)	RS485A	RS485B
Battery compartment/ Terminal	Battery+	Battery-	485A	485B

Ordering Guide

Model No.	Type
HPM240L	Low-power pressure transmitter
	Pressure Range	Measuring Range
	(0~X)MPa	X is the highest measurement range
		Code	Connection Thread
		P1	M20×1.5 Male
		P4	G1/2 Male
			Code	Electronic output
			C9	Cable gland, terminals inside the shell
				Code	Shell Material
				Y1	Cast aluminium alloy
					Code	Sensor
					M1	silicon piezoresistive
						Code	Others
						G	Gauge(Default)
						A	Absolute pressure
						QF	With factory report
							Other requests
Eg:HPM240L	(0~2.5)MPa	P1	C9	Y1	M1	G

Other recommendation:

HPM420W():  Level transmitter with display,  measurement range up to 0~1…100mH2O Power supply 24VDC(18`36V), no battery	HPM410W-F () Level transmitter with flange cage(304 or 316L) w/o display; output signal 4~20 mADC , or 0~5VDC, or 1~10VDC	HPM47W() ceramic capacitor pressure sensor, Anti-corrosive Over 9 kinds of housing material/Displacer part for choice

 

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.