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Home / Weather Stations and Instruments / Weather Stations / GMX551 Weather Station – Wind, Temp, RH, Pressure, Solar & Precipitation
MaxiMet GMX551 Weather Station

GMX551 Weather Station – Wind, Temp, RH, Pressure, Solar & Precipitation

The MaxiMet GMX551 is a combined instrument mounted inside three double louvered, naturally aspirated radiation shields for the measurement of wind speed and direction, ambient temperature, humidity, pressure, solar radiation and rainfall utilising and external tipping bucket rain gauge (not included). The data is output in serial formats – RS232, RS485. SDI12, NMEA and MODBUS.

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Datasheet

GMX551 Weather Station

Datasheet

Maximet Accessories

  • Description

Description

Wind

  • Relative Wind Speed & Direction. Relative to the North Marker
  • Average Wind Speed & Direction. Short and Long Term Averages
  • Corrected Wind. Corrected to Magnetic North
  • True Wind & Direction. Corrected by GPS (Option).
  • Gust Speed & Direction (WMO)
  • Corrected Gust Speed & Direction (WMO) (Requires GPS)

Temperature & Relative Humidity

  • Air Temperature and Relative Humidity
  • Calculated Dew Point and Absolute Humidity
  • Wet Bulb Temperature (When Temperature <-20 and <50°C, 5-99%RH)
  • Heat Index (When Temperature >23.88°C)
  • Wind Chill (When Temperature <10°C and wind speed >1.5m/s

Barometric Pressure

  • Barometric Pressure
  • Pressure at Sea Level
  • Pressure at Station
  • Air Density

Solar Irradiance

  • ISO Approved Solar Irradiance Readings
  • Sunshine Hours (Daily Duration over 150W/m²)

GPS (Option)

  • GPS Location (Longitude, Latitude)
  • GPS Height
  • Real Time Clock
  • GPS Heading
  • GPS Speed
  • GPS Status

Inclinometer/Compass

  • Compass Reading (0-359° Magnetic North)
  • X-Tilt. +ve East, -ve West
  • Y-Tilt. +ve North, -ve South
  • Z Orientation, +1 Normal Upright, -1 Inverted Position
  • X & Y Can Provide 2 Decimal Points for Easy Installation.

Additional Parameters

  • Twilight. (Civil, Nautical and Astronomical)
  • Time of Sunrise, Solar Noon, Sunset (Location Required)
  • Position of the Sun
  • Supply Voltage
  • System Status
  • System Time and Date (RTC with GPS Option)
  • Custom User Information (up to 16 character)

External Rain Gauge

  • Can Be Used With Any Pulse Output Rain Sensor
  • Precipitation Total
  • Precipitation Intensity
  • Precipitation Status

Parameter Specifications

Parameter Range Resolution Accuracy Units of Measure
Wind Speed 0-60m/s 0.01m/s 0.3ms (0-10m/s)
3% (10-40m/s)
5% (40/60m/s)
m/s, Km/h, mph,
kts, ft/min
Wind Direction 0-360° 1° ±3° (0.5-40m/s)
±5° (40-60m/s)
Degrees
Compass 0-360° 1° ±3° Degrees
Temperature -40 to +70°C 0.1°C ±0.3°C °C, F or °K
Humidity 0-100%RH 1%RH Typically ±2%RH %RH, g/m²
Dew Point -40 to +70°C 0.1°C °C, F or °K
Pressure 300-1,250hPa 1hPa ±0.4hPa (Absolute)
±0.8hPa (Relative)
hPa, mBar, mmHg, InHg
Solar Irradiance 0-1,600W/m² 1W/m² W/m²
Rainfall Up to 1000mm/Hr 0.000 up to
9.998mm/tip
mm or Inch

GMX551 Specifications

Output Rate: 1Hz, 1 reading per minute, 1 Reading per hour, or Polled Mode
Digital Comms: RS232, RS485, RS422, SDI-12, NMEA, Modbus, ASCII
Power Supply: 5-30vDC (10-35vDC with Heating)
Consumption @ 12vDC: 25mA + Rain Sensor (GPS +10mA, Heating +400mA)
IP Rating: IP66
Operational Temperature Range: -35 to +70°C (-40 to +70°C with Heating)
CE Marking: Yes
Dimensions: 264 x 142 x 142mm
Weight: 0.8Kg
Origin: UK
Warranty: 24 Months

Product

Ref

Price

Product Description

1957-0551-60-000

£2,519.00

MaxiMet GMX551 Compact Weather Station. Measured Parameters: Relative Wind Speed, Wind Direction, Air Temperature, Relative Humidity, Barometric Pressure, Solar Irradiance, Pulse Input for Rainfall and 2-Axis Compass Heading. Derived Parameters: Average Wind Speed & Direction, Corrected Direction, Gust Speed & Direction, Dew Point, Wet Bulb Temperature, Wind Chill, Heat Index, Absolute Humidity, Air Density, Pressure at Sea Level, Sunshine Hours, Total Rainfall and Rainfall Intensity. Outputs: RS232, RS422, RS485 (ASCII), SDI-12, NMEA, Modbus. Power Supply: 5-30vDC (Consumption 25mA + Rain Sensor @ 12vDC).
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1957-0551-60-100

£2,712.00

MaxiMet GMX551 Compact Weather Station with GPS. Measured Parameters: Relative Wind Speed, Wind Direction, Air Temperature, Relative Humidity, Barometric Pressure, Solar Irradiance, Pulse Input for Rainfall, 2-Axis Compass Heading, GPS Location, Heading and Speed. Derived Parameters: Average Wind Speed & Direction, Corrected Direction, Gust Speed & Direction, True Wind Speed and Direction correcting for misalignment or motion, Height above Sea Level, Dew Point, Wet Bulb Temperature, Wind Chill, Heat Index, Absolute Humidity, Air Density, Pressure at Sea Level, Sunshine Hours, Total Rainfall and Rainfall Intensity. Outputs: RS232, RS422, RS485 (ASCII), SDI-12, NMEA, Modbus. Power Supply: 5-30vDC (Consumption 35mA + Rain Sensor @ 12vDC).
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1957-PK-069

£476.00

Tipping Bucket Rain Gauge (Kalyx) for use with GMX550 and GMX551
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Tipping Rain Bucket

TR-525MET

£597.00

6″ Tipping Bucket Rain Gauge, resolution 1 pulse per 0.2mm. Black anodised aluminium collector with tipping bucket rain collector. Two terminal block connection for connection to LogBox, or other monitoring devices. Can be cabled to desired length.
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TR-815 Tipping Rain Bucket

TR-815-0.2

£337.52

8″ Stainless Steel Tipping Bucket Rain Gauge, resolution 1 pulse per 0.2mm. Rain collector with tipping bucket mechanism with reed switch. Two terminal block connection for connection to LogBox, WMX weather stations or other monitoring devices. Complies with WMO Standard for Tipping Rain Gauge
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1957-10-066

£114.00

20m Cable for Tipping Rain Bucket Connector on GMX Weather Station. Flying lead for tipping rain bucket
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