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

Quick Overview

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.

View Options

Details

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

Availability: Stock Item

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF	DESCRIPTION	DOWNLOADS	PRICE	ORDER ITEM

GMX551 Compact Weather Station
1957-0551-60-000	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).	Data Sheet Size: (337.56 KB)	£2,285.00	or call us for a quote
1957-0551-60-100	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).		£2,460.00	or call us for a quote

GMX551 Compact Weather Station with Heating
1957-0551-60-001	MaxiMet GMX551 Compact Weather Station with Heating. 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 425mA + Rain Sensor @ 12vDC).		£2,452.00	or call us for a quote
1957-0551-60-101	MaxiMet GMX551 Compact Weather Station with GPS and Heating. 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: 10-30vDC (Consumption 435mA + Rain Sensor @ 12vDC).		£2,627.00	or call us for a quote

Tipping Bucket Rain Gauges
1957-PK-069	Tipping Bucket Rain Gauge (Kalyx) for use with GMX550 and GMX551		£424.00	or call us for a quote
TR-525I	6" Tipping Bucket Rain Gauge, resolution 1 pulse per 0.01" (0.254 mm). Anodised aluminium collector and 25ft of cable.	Datasheet Size: (132.17 KB)	£445.49	or call us for a quote
TR-525MET	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.		£597.00	or call us for a quote

Connection Cable for Rain Bucket
1957-10-066	20m Cable for Tipping Rain Bucket Connector on GMX Weather Station. Flying lead for tipping rain bucket		£109.00	or call us for a quote

MaxiMet Configuration Cable
1957-10-065	1.8m RS232 to USB Configuration Cable for the Maximet Weather Stations. Configuration cable provides 5V power to the Maximet and allows for the 9-way Maximet connector to connect to a PC for the initial set up and configuration. GMX should be in Safe Mode to allow for configuration and the adaptor cable is not weatherproof and should not be used one units are installed on site.		£117.00	or call us for a quote

Mounting Bracket
1771-PK-115	Anodized Aluminium Bracket for mounting to pole and wall. Includes an aluminium sensor adaptor for WindSonic or MaxiMet, fully anodised to reduce corrosion. The Bracket uses a mounting clamp suitable for attaching to a vertical pipe with a diameter of 30-58mm. When mounting the MaxiMet, consider the position, orientation and alignment of the unit. Mount at the top of a pipe to ensure a clear unobstructed measurement view. Kit includes stainless steel mounting bolts, multiple earth points and wall / pole mounting kit	Datasheet Size: (887.85 KB)	£259.00	or call us for a quote

Portable Tripod
M-TPB	Weather station tripod mounting kit with 2m pole. The legs on this tripod are not adjustable for uneven surfaces and ground should be levelled prior to installation. ¼" stake kit (M-SKB), ½" Stake kit (M-SKA), Guy wire kit (M-GWA) and Grounding kit (M-GKA) are available separately.		£155.82	or call us for a quote

Tripod Accessories
WINDSONIC-MOUNT	Mounting adaptor for connecting the WindSonic wind sensors or MaxiMet compact weather stations to the M-TPB tripod. Provides a direct mounting to the top of the tripod for an unobstructed placement of the mounted sensors. Ideal for solar radiation, wind and rain sensors.		£41.50	or call us for a quote
WINDSONIC-MASTBASE	Mounting adaptor to protect the cable of the WindSonic wind sensors or MaxiMet compact weather stations as it exits the bottom of the M-TPB tripod.		£41.50	or call us for a quote
M-GWA	Guy Wire Kit for the M-TPA or M-TPB tripods. Can be secured to Stakes spaced around the 2m tripod at a distance of 3 or 4 m, or to the tripod legs of the 3m tripod. This helps secure the tripod in place and reduces any movement due to wind.		£114.16	or call us for a quote
M-SKA	Stake Kit for the M-TPB tripod. Allows the Guy Wires to be secured to Stakes spaced evenly around the tripod at a distanced of 3 to 4m. Stake Kit includes 3 x ½" Stakes and S-Hooks.		£70.81	or call us for a quote

Accessories
1405-PK-069	Spare 9 way mating connector. Suitable for all WindSonic plastic versions, WindSonic M Non-Analogue and MaxiMet sensor and weather stations.		£60.00	or call us for a quote
WINDSONIC-CAB	Cable assembly to connect Windsonic or MaxiMet unit to external data logger or display. Includes inline multipole connector for WindSonic or MaxiMet and flying leads, cable length 6.5 metres. Other lengths available on request.		£63.00	or call us for a quote