Delta Ohm cloud Archives – OTM Solutions Pte Ltd

Delta Ohm LR35 LoRaWan wireless data logging system

chen.fz@otm.sg Instrumentation 08/11/202107/05/2022Delta Ohm cloud, LoRaWan, wireless data logger 0 Comment

Related instruments Wireless & web data loggers

A LoRaWan based wireless data logging system was recently deployed by OTM. The system consists of:

1 × LoRaWan gateway (with 4G connectivity)
4 × Delta Ohm LR35 LoRaWan data loggers
10 × input channels (including temperature sensors, pyranometers, and heat flux sensors)

The system was fully integrated and configured by OTM. OTM will also provide 1.5 years of maintenance and data collection services.

The instruments are distributed in various locations of two buildings. Shown below are two important instruments of the system (left: a LoRaWan data logger; right: the LoRaWan gateway).

LR35WH (outdoor type general-purpose data logger)

LoRaWan Gateway (indoor type, with 4G connectivity)

All-in-one weather station for weather and air quality monitoring

chen.fz@otm.sg Instrumentation 11/10/202107/05/2022anemometer, Delta Ohm cloud, PMsense, weather station 0 Comment

Shown below is an all-in-one weather station supplied by OTM for weather and air quality monitoring.

The system consists of the following components:

HD52.3DP17 ultrasonic anemeter: for wind speed, wind direction, temperature, humidity and solar irradiance measurement.
PMsense particulate matter transmitter: for PM1.0, PM2.5 and PM10 measurement
HD33MT.4 data logger: with 4G connectivity
Solar panel and tripod

The system is fully integrated and completely independent. The data are uploaded to Delta Ohm cloud every 2 minutes. OTM also provides 2-year maintenance services to the instruments.