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HD33M4b.2 – GSM/GPRS Data Loggers for Weather Stations

Make:  Delta Ohm       Model: HD33M4b.2
✅ Datalogging of temperature, relative humidity, dew point temperature, atmospheric pressure, solar radiation, rainfall amount, wind speed and direction
✅ Available in two versions: with input for standard RS485 MODBUS-RTU sensors or with inputs for dedicated Delta OHM sensors
✅ GSM/GPRS module for remote monitoring
✅ Data sending via email, FTP and to an HTTP server (e.g. Delta OHM Cloud)
✅ Can be powered by mains or photovoltaic panel (with optional external power supply unit)
                
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SKU: DL-HD33M4b.2-DEL Category: Tags: ,

HD33M.GSM data logger equipped with an integrated barometric sensor. Atmospheric pressure measuring range: 300…1100 hPa.

Key Points:

  • Datalogging of temperature, relative humidity, dew point temperature, atmospheric pressure, solar radiation, rainfall amount, wind speed and direction
  • Available in two versions: with input for standard RS485 MODBUS-RTU sensors or with inputs for dedicated Delta OHM sensors
  • GSM/GPRS module for remote monitoring
  • Data sending via email, FTP and to an HTTP server (e.g. Delta OHM Cloud)
  • PC software for configuration, monitoring and downloading of data to a database
  • Software option available for compliance with FDA 21 CFR part 11 recommendations
  • Alarm notification via e-mail and SMS when configurable measurement thresholds are exceeded
  • IP 67 waterproof housing
  • Optional custom LCD display (HD33LM.2)
  • Can be powered by mains or photovoltaic panel (with optional external power supply unit)
  • Atmospheric pressure option (HD33M4b.2 or HD33LM4b.2)
Make

Delta ohm

Product Name

HD33M4b.2 – GSM/GPRS Data Loggers for Weather Stations

Model

HD33M4b.2

Connectivity

2G

Power Supply

7…30 Vdc

Power Consumption

< 2 mA during measurement / < 0.8 A peak during GSM activity

Battery charger from solar panel

With additional external power supply unit

Switched power supply output

Active only when external sensors have to be powered

Antenna

External, included

Measuring & logging Interval

1, 2, 5, 10, 15, 30 seconds / 1, 2, 5, 10, 15, 30, 60 minutes

Internal Memory

Circular management or stop logging if memory is full

Number of samples (depending on the number of the detected quantities)

from 120,000 to 424,000

Alarm

Acoustic through internal buzzer.
Sending of alarm e-mail and SMS.

Operating Conditions

-40…+70 °C / 0…100 %RH without display
-20…+70 °C / 0…100 %RH with display

Internal clock

Normal stability

Display

Optional custom LCD

Connection to PC

USB port with mini-USB connector – Free software

Dimensions

122 x 120 x 56 mm

Protection Degree

IP67

Inputs

– 1 input for RS485 MODBUS-RTU sensors
– 1 contact input

Temperature

optional

Relative Humidity

optional

Atmospheric Pressure

optional

Solar Radiation

optional

Wind speed and directions

optional

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