Dual Output Programmable Humidity Controller

$130.00  $120.00
Save: $10.00 off

  • Model: HD220


Product Description:

New lower price, save $10!

Product update:
 HD220 with wireless connection capability (Wi-Fi) is also available. Please check here.  

This controller contains one humidity sensor and two independent outputs. One output is for humidifier and the other is for dehumidifier. It can be used for tobacco/herbal dehydration, sausage curing, etc. By using both humidifying and dehumidifying, the humidity ratio can be controlled at a specific value regardless of whether it is in dry or wet environments. This controller is a plug-n-play device. No extra wiring is needed for the humidifier or dehumidifier. Both humidifying and dehumidifying control modes contain simple on/off operation; they are similar to a mechanical humidistat but with much higher precision due to adjustable hysteresis band, precise sensor and digital read out. Two operating modes are available: Single-step mode and multi-step mode. For multi-step mode, this humidity control can be programmed to vary with time in up to 8 humidity-time steps covering up to 33 days.
This plug-n-play humidity controller is designed for high relative humidity (>85% RH) and condensing environments, where a slight drop in temperature may cause condensation and could damage other humidity sensors. This controller equipped with one of the most robust humidity sensors on the market. It can be fully recovered even immersed in water.
For controllers with Wi-Fi connection capability, please check HD220-W.


Humidity Control Range 0 ~ 99.9% RH
Humidity Resolution 0.1% RH
Humidity Accuracy 4% RH
Working Temperature (sensor) -40 ~ 197°F (-40 ~ 90°C)
Control Mode On/off control.
Humidifying and dehumidifying
Control Output Rating 15 A, 120 V or 240 V AC *
Timer Range 8 steps, each step: 0.1 to 99.9 Hrs or 1 to 999 Mins
Timer Resolution 0.1 hours or 1 minute
Max Programmable Time 799.2 hours or 33.3 days (8 steps total)
Audio Alarm High and low limit
Controller Operating Temperature 0 ~ 50°C
Dimension 91 x 140 x 46 mm
Input Power 85 ~ 242 V AC, 50Hz/60Hz
Sensor Cable Length 6 ft (2 m)
Power Cord Length 3 ft (1 m)
Warranty 1 Year for the controller, 90 days for the sensor.

* Note: 
  • Although both humidity and dehumidity output can handle up to 15A; the total power of the two channels is limited to 1500 Watts due to the restriction of input power cord.
  • The input power plug is a US NEMA 5-15P plug. The output sock will accept US, Australia, or European continental plug (CEE7/7). Optional input & output travel plug adapters are offered. Please check here for more details.
Click here to download instruction manual.

This product was added to our catalog on Friday 19 September, 2014.

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