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NB-IoT MQTT pressure monitoring data logger

430 350

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  • ThingsLog pressure monitoring as a service

Description

ThingsLog NB-IoT MQTT pressure data logger is solution aims to provide low power pressure monitoring of water, non-aggressive or aggressive fluids, air or gas in locations with difficult access. It is based on ThingsLog low power data loggers and specially designed pressuresensors suitable for low power monitoring or real-time monitoring.

Each customer gets one year free subscription for thingslog monitoring platform and can use ThingsLog mobile app to monitor pressure and get instant pressure  alerts.

ThingsLog NB-IoT MQTT pressure data logger is suitable for SCADA system owners that would like to integrate low power pressure monitoring into their existing application. More specifically the logger is suitable for the following domains:

  • Pressure monitoring in water pipe distribution networks
  • Air pressure monitoring
  • Gas pressure monitoring
  • Pressure monitoring in food processing industry
  • HVAC
  • Chemical industry
  • Installations for nitrogen / oxygen production

ThingsLog NB-IoT pressure data logger featureset

  • Network type: NB-IoT
  • Environment: air| water, non-aggressive liquids
    (water) | aggressive fluids (fuels, acids and others)
  • Pressure ranges: from 10 kPa up to 35 bar absolute pressure; up to 1000 bar relative pressure
  • Power supply options: Lithium batteries/Solar/24V
  • Reverse-polarity protection: YES
  • Working temperature: 0 ÷ 70 °C
  • Low / high pressure instant alarms
  • Working temperature: -20 ÷ 100 °C
  • Max. allowable pressure: 1.5 x FSO
  • Process connection: ¼ NPT; G1/4”BSP M;G3/8” BSP M; G1/2”BSP M; M20x1.5;G1”; G1¼”
  • Accuracy: 0.5% for 100% of FSO
  • Electrical connection: LIYY or UNITRONIC ROBUST cable
  • Accuracy: 0.5% for 100% of FSO
  • Electrical connection: ventilated cable
  • Probe material: stainless steel 304/316 L
  • Built-in stainless steel membrane 316 SS
  • Protection class: IP 65/IP 68
  • ATEX sensor protection class for gas and aggressive fluids:
  • Data transmission over NB-IoT
  • Configurable metering and transmission periods
  • Configurable over TTL to USB console cable
  • Mobile app
  • 5 years battery life (5000 transmissions)
  • 19 uA consumption in sleeping mode
  • Replaceable battery
  • Power supply options: low power with lithium batteries, 12V, 24V, Solar or combination of on power + low power
  • Data pub/sub over MQTT

 

MQTT data format

Data is publish to the following mqtt topics:

  • <root topic>/<device number>/signal
  • <root topic>/<device number>/battery
  • <root topic>/<device number>/alarms
  • <root topic>/<device number>/readings/{I}, where I is the sensor index for which pubishing is enabled.

Root topic is configurable, device number is 8 digits.

Digital port readings (sensor index 1 and 2) are published as differential counters. Where last one is a int 32 value and all other are int 16 values.

Analog port readings (sensor index 3 and 4) are published as int 16 values.

 

Product documentation

  • Why is important to monitor pressure – link
  • Configuration overview – link
  • Full product documentation link

Additional information

Weight 0.7 kg
Excessive cable length

2m

Power supply

Low power with lithium battery pack, Solar, 12VDC, 24VDC

pressure-range

0-100kPa, 0 – 100 kPa, 100 – 100 kPa, 0 – 1.6 bar, 0 – 2.5 bar, 0 – 4 bar, 0 – 5 bar, 0 – 6 bar, 0 – 10 bar0 – 16 bar, 0 – 25 bar, 0 – 40 bar (0 – 4 MPa), 0, 50 bar (0 – 5 MPa), 0 – 60 bar (0 – 6 MPa), 0 – 100 bar (0 – 10 MPa), 0 – 160 bar (0 – 16 MPa), 0 – 250 bar (0 – 25 MPa)

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