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Sensors Weather Station - Ektron II - Pyrgeometer - SensorTom - PT sensor - PAR-Lite sensor - MT(V) Sensor Unit - MCO2 Weather Station
The Ektron-II is a maintenance-free sensor box, fitted with an accurate temperature sensor and an electronic RH sensor. The Ektron II-C also includes a CO2 sensor. More...
Pyrgeometer
Condensation on the fruit is a common phenomenon which greatly increases the risk of botrytis infection. In order to prevent condensation, many growers set a minimum pipe temperature. Setting a minimum temperature is, however, an expensive precaution in terms of energy consumption. Research from PPO, a leading Dutch research organization, has now shown that artificial fruit sensors are an excellent means of preventing condensation on the fruit. A minimum pipe temperature is no longer necessary, which results in substantial energy savings. To this end, HortiMaX has developed the Sensortom®. The SensorTom® is an artificial fruit sensor which accurately measures the fruit temperature.
HortiMaX’s plant temperature sensor allows you to accurately measure the temperature of your crops. The PT sensor measures the temperature of a representative number of plants in an area of 5 to 10m2. Since the crop temperature tends to differ significantly from the ambient temperature, the PT sensor will help you to monitor and control your crop’s development.
Adjusting the desired CO2 level for light is usually based on the radiation level measured outside. Another option, however, is to base this adjustment on the light which can actually be absorbed by the plants - the PAR light. PAR stands for Photosynthetic Active Radiation and determines the rate of photosynthesis. A reason for measuring PAR light inside the greenhouse is to determine the amount of photosynthetic radiation the crop has received if supplementary lighting is used. This ensures that the photosynthetic radiation from the sun and the supplementary lighting are correctly totaled.
PAR light is measured with a PAR-Lite sensor, which can be used both inside and outside. Inside the greenhouse, certain areas may be covered in shade which shift during the course of the day. That is why we also supply a line quantum sensor for indoor applications. This measures PAR light over a larger area, making the reading even more accurate. The PAR-Lite can be connected to a Clima 500 or MultiMa computer.
Durable sensor unit range for accurate temperature and humidity readings
Instant CO2 Measurements with the New MCO2 Sensor Box The new MCO2 sensor box gives you all the advantages of instant CO2 readings in the greenhouse blocks without the need to replace your current sensor boxes. This inexpensive CO2 sensor box can be installed anywhere in the block (hung between the crops or mounted to a column, for instace). Since the CO2 level in the climate block is measured instantly, the CO2 controller is sent accurate and up-to-the-moment data. This enables significant energy savings to be made, because the controller will know precisely when to start and stop CO2 enrichment.
Benefits:
The leaflets available on this site are in PDF format. You can view these leaflets using Acrobat Reader, wich is free to download from the Adobe website. Click on the icon below.
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During clear skies, heat radiation or heat loss from the greenhouse is higher than at the same outside temperature during overcast conditions. This means that when skies are clear, the energy-saving screen needs to be closed sooner than when it is overcast. Heat radiation from the greenhouse is measured using a pyrgeometer. The lower this value, the higher heat loss from the greenhouse will be. This measurement can be linked to the energy-saving screens, so the computer will close the screens based on this measurement.
Precise infrared plant temperature readings.
Optimizing glasshouse climate control starts with accurate measurements, which is why HortiMaX has designed two unique ranges of reliable sensor units: the MT and the MTV. The main difference between the two is that the MT models measure the temperature, while the MTV models measure both the temperature and the humidity. A number of MT and MTV models are available for the Clima 300, Clima 350, Clima 500 and the MultiMa.
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