| Customization: | Available |
|---|---|
| Type: | Piezoresistive Pressure Sensor |
| Component: | SemiConductor Type |
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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.| 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. |
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| 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 |
| 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 |
| Model No. | Type |
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| 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 |
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| 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 | |
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