Mastia - Model VH - Greenhouse Climate Controller
From NTC Greenhouse Climate Control
This controller is designed to control in an automatic way the ventilation and humidification systems in 2 climate compartments. It is possible to control 3 vents and 1 misting valve on every compartment.
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Caracteristicas
- This controller enables the user to control 2 climate compartments.
- The Mastia VH offers the user to use both American and European units. Moreover, in this controller is included the option of astronomical time. In this way, it is possible to calculate the dawn and dust time.
- The Mastia VH measures the humidity inside the greenhouse by means of an electronic humidity sensor or psychrometer (dry bulb-wet bulb).
- In this system is possible to install a standard weather station composed of wind velocity and direction sensor, external temperature sensor, rain sensor, radiation sensor and external humidity sensor.
- This equipment is able to be connected to a PC through RS 232, RS 485 and modem
More Information
Compartments
Ventilation
- The Mastia VH enables the user to set 3 periods of time to calculate the ventilation temperature.
- It calculates the ventilation temperature depending on the humidity, radiation, the cooling and heating delay.
- It is possible to use up to 3 vents per compartment, this vents can be standard or wind. The standard vent does not depend on the direction wind while wind vents depend on the direction wind.
- This system enables the user to restrict the maximum vent position depending on the speed wind or curtain activation.
- It is possible to set a automatic calibration daily
Humidification
- This system controls the humidification inside the compartment when either the humidity goes down or an excess of humidity due to a variation of temperature.
- It is possible to install a misting valve per compartment
- Using this system is possible to use several pumps and assign different misting valve to each pump.
Alarms
- The Mastia VH includes configurable alarm limits, active alarm screen, historical data of alarm, am external alarm digital input.
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