The PS-LS-D sensors are powered by solar power + li-on battery with a Differential Pressure Type sensor which can measure Air, Water pressure, and liquid level and upload the sensor data via wireless to the LoRaWAN IoT server.
Sometimes it is unnecessary to monitor the absolute air pressure but we need to know the difference in pressures in different points. One example may be before and after a valve in a pipe. If the valve is fully open, the pressure on both sides should be the same. If there's a difference in the pressure, it could be the valve isn't fully open or there's a blockage.
Differential Pressure Sensor has two air pressure inputs. It monitors the pressure difference between these two inputs and puts the value.
Differential Pressure Sensors can be used in home and industrial environments for applications such as offshore and subsea gas processing, and remote heating systems.
Features:
LoRaWAN 1.0.3 Class A
Ultra-low power consumption
Measure the Differential Pressure of two input
Different pressure ranges available ( from 100Pa to 10KPa )
Thread Installation Type or Immersion Type
Monitor Battery Level
Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
Support Bluetooth v5.1 and LoRaWAN remote configure
Support wireless OTA update firmware
Uplink on periodically or Alarm Input
Downlink to change configure
Solar panel + 3000mAh Li-on battery (PS-LS-D)
Specifications:
MicroController:
MCU: 48Mhz ARM
Flash: 256KB
RAM: 64KB
Common DC Characteristics:
Supply Voltage: Built-in Battery, 2.5v ~ 3.6v
Operating Temperature: -40 ~ 85°C
LoRa Spec:
Frequency Range, Band 1 (HF): 862 ~ 1020 Mhz
Max +22 dBm constant RF output vs.
RX sensitivity: down to -139 dBm.
Excellent blocking immunity
Current Input Measuring :
Range: 0 ~ 20mA
Accuracy: 0.02mA
Resolution: 0.001mA
Voltage Input Measuring:
Range: 0 ~ 30v
Accuracy: 0.02v
Resolution: 0.001v
Battery:
Solar panel + 3000mAh Li-on battery
Self-Discharge: <1% / Year @ 25°C
Max continuous current: 130mA
Max boost current: 2A, 1 second
Power Consumption:
Sleep Mode: 5uA @ 3.3v
LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
Applications:
Indoor Air Control
Filter Clogging Detect
Order Info:
Part Number: PS-LS-Dxx-YY
XX: Pressure Range and Thread Type
PRESSURE RANGE:
01: 0-100Pa
02: 0-200Pa
03: 0-300Pa
04: 0-1kPa
05: 0-2kPa
06: 0-3kMPa
07: 0-4kMPa
08: 0-5kPa
09: 0-10kPa
10: -100-100Pa
11: -200-200Pa
12: -1k-1KPa
The Pressure sensor has 01,02,03,04,05,06,07,08,09,10,11,12 types of sensors with different range options.
Pls leave a message or send a note to sales@dwmzone.com with the Pressure Range types.
YY: The default frequency band
AS923: LoRaWAN AS923 band
AU915: LoRaWAN AU915 band
EU433: LoRaWAN EU433 band
EU868: LoRaWAN EU868 band
KR920: LoRaWAN KR920 band
US915: LoRaWAN US915 band
IN865: LoRaWAN IN865 band
CN470: LoRaWAN CN470 band
Useful Link:
Datasheet
User Manual
Firmware
Certificate
