MaxiMet is an advanced compact weather station designed and manufactured by Gill Instruments using proven technology to measure meteorological and environmental parameters to international standards.

MaxiMet incorporates all the measurement parameters that meet the requirements of users in demanding applications where cost, quality and performance are essential.

With features such as wind, precipitation, solar radiation, temperature, humidity, pressure, low power ‘Eco Mode’, GPS, compass, Bluetooth and many more, MaxiMet is unique in its ability to provide the widest number of measurements and output protocol options which makes it easy to install, easy to use and with zero maintenance.

Model	GMX100	GMX200	GMX300	GMX301	GMX400
Features	precipitation	wind	temperature humidity pressure	temperature humidity pressure solar radiation	temperature humidity pressure precipitation
GPS		o
Compass		•
Wind speed corrected*		o
Wind direction apparent		•
Wind direction true*		o
Wind data quality indicator
Wind chill
Wind gust WMO standard		•
Wind averaging WMO standard		•
Heat Index			•	•	•
Air Density (kg/m3)			•	•	•
Absolute humidity (g/m3)			•	•	•
Wet bulb temperature			•	•	•
Mean sea level pressure*+			o	o	o
Rain gauge over Bluetooth
24 hr total precipitation	•				•
24 hr sunshine hours				•
Sunrise/sunset*
Position of sun*
Twilight
Serial RS232, RS422, RS485, SDI-12, ASCII, NMEA, MODBUS	•	•	•	•	•
Analogue	o	o	o	o	o
Bluetooth communications	•	•	•	•	•
Low power Eco Mode	•	•	•	•	•

Model	GMX500	GMX501	GMX531	GMX551	GMX600	GMX700
Features	wind temperature humidity pressure	wind temperature humidity pressure solar radiation	wind temperature humidity pressure precipitation solar radiation compass	wind temperature humidity pressure precipitation tipping bucket solar radiation compass	wind temperature humidity pressure precipitation	wind temperature humidity pressure solar radiation precipitation
GPS	o	o	o	o	o	o
Compass	•	•	•	•	•	•
Wind speed corrected*	o	o	o	o	o	o
Wind direction apparent	•	•	•	•	•	•
Wind direction true*	o	o	o	o	o	o
Wind data quality indicator
Wind chill	•	•	•	•	•	•
Wind gust WMO standard	•	•	•	•	•	•
Wind averaging WMO standard	•	•	•	•	•	•
Heat Index	•	•	•	•	•	•
Air Density (kg/m3)	•	•	•	•	•	•
Absolute humidity (g/m3)	•	•	•	•	•	•
Wet bulb temperature	•	•	•	•	•	•
Mean sea level pressure*+	o	o	o	o	o	o
Rain gauge over Bluetooth						•
24 hr total precipitation			•	•	•	•
24 hr sunshine hours		•	•	•		•
Sunrise/sunset*		o	o	o		o
Position of sun*		o	o	o		o
Twilight		o	o	o		o
Serial RS232, RS422, RS485, SDI-12, ASCII, NMEA, MODBUS	•	•	•	•	•	•
Analogue	o	o	o	o	o	o
Bluetooth communications	•	•	•	•	•	•
Low power Eco Mode	•	•	•	•	•	•

• Included
o Optional
* Requires GPS
+ Requires manual input if no GPS

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