Delta OHM

Delta OHM

Since 1978 we have dedicated ourselves to drive the development of sustainable meteorological components onward every day. Delta OHM develops and manufactures a complete range of meteorological devices for measuring wind speed, wind direction, precipitations, atmospheric pressure, humidity, radiation, light and temperature.

In addition to that, our portfolio also includes a complete range of Wireless Data Logger Systems, as well as professional measuring and control equipment / transmitters, sensors, loggers and portable instruments for Acoustics and Vibration, Microclimate, Air Quality-CO-CO2, Water Analysis, Relative Humidity, Air Speed, Photo-Radiometry, Temperature and Pressure measurements.

Country: Italy

Featured products

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HD53LS 2-axis anemometer

HD53LS 2-axis anemometer
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HD53LS is a 2-axis ultrasonic static anemometer for measuring:

  • Wind speed and direction, U-V Cartesian components of wind speed.
  • Wind gust (only in version with RS485 MODBUS-RTU output)

The average of wind speed and direction over a period configurable up to 10 minutes is calculated.

Two versions are available:

  • HD53LS.A: with two analog outputs (one for wind speed and one for wind direction), factory configurable among 4…20 mA (standard), 0…1 V, 0…5 V, 0…10 V (to be specified when ordering).
  • HD53LS.S: with RS485 MODBUS-RTU output.

Advantages of the HD53LS series:

  • The absence of moving parts minimizes maintenance.
  • High sensitivity for detecting very low speeds, which are not detectable by traditional methods.
  • Fast and easy installation (on ∅ 40 mm mast, optional tripod available).
  • The low power of the instrument allows installation in remote sites, with power from solar panel and battery.
  • The version with RS485 MODBUS-RTU output allows instrument networking.

HD33M.2 GSM/GPRS Data Logger

HD33M.2 GSM/GPRS Data Logger
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GSM/GPRS data loggers for weather stations with inputs for dedicated Delta OHM sensors and cup anemometer.

The HD33M.2 data logger has an integrated GSM/GPRS module. It has 5 inputs: easy to use for monitoring (and/or) temperature, humidity, solar radiation, rainfall quantity, wind speed and direction (with cup-anemometer). Optional atmospheric pressure can be integrated in the unit. The instrument can simply be integrated with any FTP or Cloud solution.

Data logger:

  • Temperature, relative humidity, dew point, atmospheric pressure, solar radiation, rainfall quantity, wind speed and direction (cup-anemometer)
  • GSM/GPRS module for the remote monitoring
  • Local (PC/Server) database or FTP or HTTP server (Cloud)
  • Free PC software for configuration
  • Alarm notification via e-mail and SMS
  • IP 67 waterproof housing
  • Powered 7-30VDC or solar panel (optional power supply)
  • Optional:
    - with display (HD33LM.2)
    - with atmospheric pressure (HD33M4b.2 or HD33LM4b.2)

Download datasheet

HDMCS-200 All-in-One Meteo Compact Station

HDMCS-200 All-in-One Meteo Compact Station
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A ready to use and easy to set up Automatic Weather Station. The AWS measures wind speed, wind direction, humidity, dew point, temperature, barometric pressure and solar radiation.

HDMCS-200 is a quick to install and easy to use Meteo Compact Station, an All-in-One AWS solution, capable of measuring at the same time:

  • Wind speed
  • Wind direction
  • Temperature
  • Relative Humidity
  • Barometric Pressure
  • Solar Radiation

HDMCS-200 is a self-supporting system complete with solar panel, back up battery and built in GSM. This makes the AWS completely independent from any external power as well as from any local structure.

Easy to use: as soon as set up the Meteo Compact Station starts working by sending all measured data to your FTP server or to the Delta OHM Cloud.

The stable mechanical design alongside the ultrasonic sensor with no moving parts makes the weather station completely maintenance free.

Cables with connectors, solar panel, back up battery, tripod and logger with GSM communication are all included in the set.

For option with precipitation measurement see HDMCS-100.

Download datasheet

HD2013.3 Precipitation Detector

HD2013.3 Precipitation Detector
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HD2013.3 detects all type of precipitations.

Quick  and simple to  integrate in any outdoor installation or configuration thanks to the enhanced connection possibilities: we supply this version in Modbus-RTU or 4-20mA or 0-10V or contact output.

Our standard features:

  • capacitive element is shielded from wind by the protecting dome construction: no false indications
  • capacitive element is heated to be able to detect any form of precipitation, including snow and hail
  • can be standard equipped with bird-spikes
  • supplied with heavy duty mounting bracket, universal for surface or pole mounting
  • standard cable lengths 5 or 10 meter

Download datasheet

HD53LS 2-axis anemometer

HD53LS 2-axis anemometer

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HD33M.2 GSM/GPRS Data Logger

HD33M.2 GSM/GPRS Data Logger

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HDMCS-200 All-in-One Meteo Compact Station

HDMCS-200 All-in-One Meteo Compact Station

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HD2013.3 Precipitation Detector

HD2013.3 Precipitation Detector

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