Sometimes it is unnecessary to monitor the absolute air pressure but we need to know the difference of pressures at 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 offshore and subsea gas processing, and remote heating systems.
Dragino's Wireless Differential Pressure Sensor includes various models to cover NB-IoT wireless transmission and different ranges of pressure measurements.
Features:
NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
Ultra-low power consumption
Measure the Differential Pressure of two input
Different pressure ranges available ( from 100Pa to 10KPa )
Monitor Battery Level
Multiply Sampling and one uplink
Support Bluetooth v5.1 remote configure and update firmware
Uplink on periodically or Alarm Input
Downlink to change configure
8500mAh Battery for long-term use
IP66 Waterproof Enclosure
Uplink via MQTT, MQTTs, TCP, or UDP
Nano SIM card slot for NB-IoT SIM
Specifications:
Common DC Characteristics:
Supply Voltage: 2.5v ~ 3.6v
Operating Temperature: -40 ~ 80°C
NB-IoT Spec:
NB-IoT Module: BC660K-GL
Support Bands:
B1 @H-FDD: 2100MHz
B2 @H-FDD: 1900MHz
B3 @H-FDD: 1800MHz
B4 @H-FDD: 2100MHz
B5 @H-FDD: 860MHz
B8 @H-FDD: 900MHz
B12 @H-FDD: 720MHz
B13 @H-FDD: 740MHz
B17 @H-FDD: 730MHz
B18 @H-FDD: 870MHz
B19 @H-FDD: 870MHz
B20 @H-FDD: 790MHz
B25 @H-FDD: 1900MHz
B28 @H-FDD: 750MHz
B66 @H-FDD: 2000MHz
B70 @H-FDD: 2000MHz
B85 @H-FDD: 700MHz
Current Input (DC) Measuring :
Range: 0 ~ 20mA
Accuracy: 0.02mA
Resolution: 0.001mA
Voltage Input Measuring:
Range: 0 ~ 30v
Accuracy: 0.02v
Resolution: 0.001v
Battery:
Li/SOCI2 un-chargeable battery
Capacity: 8500mAh
Self-Discharge: <1% / Year @ 25°C
Max continuous current: 130mA
Max boost current: 2A, 1 second
Power Consumption:
STOP Mode: 10uA @ 3.3v
Max transmit power: 350mA@3.3v
Applications:
Indoor Air Control
Filter Clogging Detect
Order Info
Part Number: PS-NB-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@odlstore.com with the Pressure Range types.
YY: The default frequency band
GE: General version ( Exclude SIM card)
1T: with 1NCE * 10 years 500MB SIM card and Pre-configure to ThingsEye server
Useful Link:
Datasheet
User Manual
Certificate
Firmware
