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HPM420L low power consumption level transmitter uses high quality stable pressure sensor as the measurement element, it measures the static level pressure accurately which has direct ratio with liquid depth. Then converting the measurement value into standard RS485 signal through the signal conditioning circuit to achieve the measurement of liquid depth. 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.
HPM420L low power consumption level transmitter uses high quality stable pressure sensor as the measurement element, it measures the static level pressure accurately which has direct ratio with liquid depth. Then converting the measurement value into standard RS485 signal through the signal conditioning circuit to achieve the measurement of liquid depth. 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.
Application
IoT
Water Treatment Industry
Groundwater, rivers, lakes
Ship
Application
IoT
Water Treatment Industry
Groundwater, rivers, lakes
Ship
Features
Low Power Consumption
lithium battery inside product as supply
Local display
With RS485 signal output,easy adapted with wireless module
Special Anti-condensation design
Features
Low Power Consumption
lithium battery inside product as supply
Local display
With RS485 signal output,easy adapted with wireless module
Special Anti-condensation design
Technical Parameters
Level Range | 0~0.5…10mH2O 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. |
Overload | 1.5 times of Full scale |
Measuring Medium | Liquid which applicable with the contact material |
Output Signal | RS485 |
Power Supply | Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh) Vs=5VDC (External power supply supported) Vs=24VDC (External power supply supported) |
Power consumption | Standby current <20uA Date collection cycle 0~65535s Power Consumption: About 200uA with data collection cycle as 1s About 70uA with data collection cycle as 3s About 50uA with data collection cycle as 5s … Note:Longer data collection cycle, lower consumption |
Accuracy | ±0.5%FS |
Long term stability | ±0.25%FS/year |
Medium temperature | -40~100℃ |
Technical Parameters
Level Range | 0~0.5…10mH2O 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. |
Overload | 1.5 times of Full scale |
Measuring Medium | Liquid which applicable with the contact material |
Output Signal | RS485 |
Power Supply | Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh) Vs=5VDC (External power supply supported) Vs=24VDC (External power supply supported) |
Power consumption | Standby current <20uA Date collection cycle 0~65535s Power Consumption: About 200uA with data collection cycle as 1s About 70uA with data collection cycle as 3s About 50uA with data collection cycle as 5s … Note:Longer data collection cycle, lower consumption |
Accuracy | ±0.5%FS |
Long term stability | ±0.25%FS/year |
Medium temperature | -40~100℃ |
HPM420L low power consumption level transmitter uses high quality stable pressure sensor as the measurement element, it measures the static level pressure accurately which has direct ratio with liquid depth. Then converting the measurement value into standard RS485 signal through the signal conditioning circuit to achieve the measurement of liquid depth. 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.
Application
IoT
Water Treatment Industry
Groundwater, rivers, lakes
Ship
Features
Low Power Consumption
lithium battery inside product as supply
Local display
With RS485 signal output,easy adapted with wireless module
Special Anti-condensation design
Technical Parameters
Level Range | 0~0.5…10mH2O 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. |
Overload | 1.5 times of Full scale |
Measuring Medium | Liquid which applicable with the contact material |
Output Signal | RS485 |
Power Supply | Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh) Vs=5VDC (External power supply supported) Vs=24VDC (External power supply supported) |
Power consumption | Standby current <20uA Date collection cycle 0~65535s Power Consumption: About 200uA with data collection cycle as 1s About 70uA with data collection cycle as 3s About 50uA with data collection cycle as 5s … Note:Longer data collection cycle, lower consumption |
Accuracy | ±0.5%FS |
Long term stability | ±0.25%FS/year |
Medium temperature | -40~100℃ |