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Lightweight and compact optical rain gauge used as a standalone rainfall sensor or as part of a complete weather station when combined with the GMX531, GMX550 or GMX551 sensors.
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The Gill MaxiMet GMX100 is an extremely compact, robust and lightweight solution for accurately measuring rainfall. The integrated optical rain gauge senses rainfall as it hits its surface automatically measuring the raindrops size and quantity. It then records the data from which it calculates and formats the output as if a traditional tipping bucket rain gauge in serial format.
The result is an accurate rainfall sensor that has no moving parts, requires virtually no maintenance and when linked to the WeatherFile website will automatically record data that can be viewed from any internet connected device.
NOTE: This optical sensor provides a general Indication only of rainfall levels for use in situations where low maintenance is required. Use a tipping bucket gauge (ARG314 or Kalyx) or equivalent with a GMX MaxiMet sensor (GMX531, GMX550 and GMX551) where reference quality precipitation measurements are required.
Richard Paul Russell Ltd. can connect the sensor to the WeatherFile.com website where data can be viewed using any internet connected device and downloaded for detailed analysis in a .CSV file format.
• Building and industrial controls
• Authorities
• Transport
• Coastal
• Agricultural
• Safety
• Educational
• Commercial
• Energy
• Optical rain gauge
• Lightweight and compact
• Real time output
• Robust construction
• Low power consumption
• No moving parts unlike tipping bucket rain gauges
• Simple and easy to install, 1 unit fit and forget
• Extremely low maintenance
• 24 months warranty
Precipitation | Rainfall total | ||
Rainfall intensity | |||
Rainfall Y/N | |||
Emulated tipping bucket | |||
Integrated heater | |||
No moving parts | |||
0.08 mm tip Optical Rain Gauge (customer selectable) | |||
Parameters | Precipitation mm/hr, mm/total, in/hr, in/total | ||
Angle of Tilt | |||
Outputs RS232, 422, 485 (ASCII), SDI-12, NMEA, MODBUS, Analogue (option) | |||
GPS (Manual) | Height above sea level m | ||
Sunrise/sunset | |||
Position of the sun | |||
Twilight | |||
Solar Noon | |||
MSL pressure | |||
Precipitation | Measurement type | Optical | |
Range | 0 to > 300 mm/hr | ||
Precipitation Resolution | 0.08 mm | ||
Repeatability | 3% | ||
Sampling Rate | 1 Hz | ||
Units | mm/hr, mm/total, mm/24 hr, in/hr, in/total, in/24 hr | ||
Heating | Yes | ||
Outputs | |||
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Output rate | 1/s, 1/min, 1/hr | ||
Digital Comms Modes | Serial RS232, RS422, RS485, SDI-12, NMEA, MODBUS, ASCII | ||
Analogue Outputs | Available via seperae optional device | ||
Power | Power Supply | 5 to 30 Vdc | |
Power (Nominal) 12 Vdc | 42 mA continuous high mode. 0.7 mA eco-power mode (1 hour polled) | ||
Environmental Conditions | IP Rating | 66 | |
Operational Temperature Range | -40°C to +70°C | ||
EMC Standard | BS EN 61326 : 2013 FCC CFR47 parts 15.109 |
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CE Marking | Yes | ||
RoHS compilant | Yes | ||
Weight | 0.3 Kg | ||
Origin | UK |
Users can check operation of the rain gauge by performing a simple test of functionality by spraying some water using a mist nozzle similar to that used in many households for watering plants. The MaxiMet rain gauge should register incremental rain fall when sprayed with water.
User Manual | |
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MaxiMet User Manual - Issue 4 |
Choose your sensor based on the parameters you want to measure.
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GMX100 | GMX101 | GMX200 | GMX240 | GMX300 | GMX301 | GMX400 | GMX500 | GMX501 | GMX531 | GMX541 | GMX550 | GMX551 | GMX600 | |
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Air Temperature | ![]() |
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Pressure | ![]() |
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Dew Point | ![]() |
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Wet Bulb Temperature | ![]() |
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Precipitation (Optical Rain Gauge) | ![]() |
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Precipitation (Tipping Rain Bucket Gauge) | ![]() |
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Compass | ![]() |
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Optional GPS Positioning | ![]() |
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Side Connector for Rain Gauge | ![]() |
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If you want to discuss a bespoke system specification or have any questions call
our technical team on +44 (0) 1590 641223 or email sales@r-p-r.co.uk