Foliar Humidity Sensor uses a number of mature technologies to make the product highly reliable and stable, which can meet a variety of application needs of users. It has the features of easy operation, high precision and low cost. Can be widely used in various control applications. Dual display instrument, using high reliability power module, can achieve wide voltage input 110V ~ 220VAC, while providing +24v and +5V power output to the user's sensors, transmitter power supply. Can input a variety of voltage signals: 0 ~ 3V, 1 ~ 3V, 0 ~ 5V, 1 ~ 5V, 0 ~ 10V. Can be used with various sensors and transmitters. To increase the accuracy of the measurement, the leaf surface humidity sensor incorporates a translational correction of temperature and humidity, which corrects the translation error of the sensor.

Foliar humidity sensor can provide two inputs, four relay alarm output. The upper limit and the lower limit of the two inputs can be separately controlled, and the two independent return differences make the control more stable. Humidity upper limit control: humidity upper limit alarm value HAH = 50.0% RH, humidity alarm hysteresis HSY = 5, when the humidity rises to 50.0% RH, the instrument enters the upper limit alarm state, AL4 indicator light, humidity upper limit relay closes the output. When the humidity is less than 45.0% RH (HAH-HSY), the alarm state is released.

Foliage moisture sensor humidity lower limit control: humidity upper alarm value HAH = 50.0% RH, humidity alarm hysteresis HSY = 5, when the humidity drops to 50.0% RH, the instrument enters the lower limit alarm state, AL1 indicator light, humidity lower limit alarm relay closed Output. When the humidity is higher than 55.0% RH (HAL+HSY), the alarm state is released.

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