Quick Summary
The KETOTEK Digital Humidity Controller Plug Socket with Sensor Probe is a humidity controller for use with a plugged-in humidifier or dehumidifier. It has a stated humidity control range of 20% to 95% RH and a power supply of 100 to 250 V AC 50/60 Hz.
The controller uses a sensor probe and offers start-humidity and stop-humidity settings. It also includes countdown modes, humidity calibration, reset, and power-off data saving.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Digital humidity controller plug socket with sensor probe for humidity-based switching. |
| Humidity control range | 20% to 95% RH, which defines the usable control range for the connected equipment. |
| Power supply | 100 to 250 V AC 50/60 Hz, so the supply needs to match the stated electrical range. |
| Output | Max 13 A/230 V, which is the stated output limit for the connected load. |
| Sensor probe | 3 m humidity sensor cable for positioning the probe where humidity needs to be measured. |
| Countdown function | 0 to 99 hours 59 minutes, allowing a timed switch-off or switch-on programme. |
| Controls | Start humidity, stop humidity, humidity calibration, reset and power-off data saving. |
What to Compare Before Buying
- Electrical rating: Check that your supply and connected device sit within the stated 100 to 250 V AC range and the max 13 A/230 V output limit.
- Humidity range: Compare the 20% to 95% RH control range with the humidity level you need to maintain.
- Probe placement: The 3 m sensor cable gives flexibility, so confirm it reaches the monitoring point without strain.
- Control mode: The unit supports humidifying and dehumidifying mode through the start and stop humidity settings.
- Timed operation: If you need a delayed switch-off or switch-on, check whether the countdown range suits your setup.
Common Buyer Questions
Can it control both humidifying and dehumidifying?
Yes. It uses the start and stop humidity settings to operate in humidifying mode or dehumidifying mode.
Does it keep its settings after a power cut?
Yes. It has a power-off data saving function so the settings are retained when power is off.
What happens if the sensor is disconnected or out of range?
The display shows H1 when the sensor is disconnected or the measured humidity is below 20% RH, and H2 when the sensor is short-circuited or the measured humidity is above 95% RH.
Before You Decide
Check the supply voltage, the max 13 A/230 V output limit and the 20% to 95% RH control range before choosing this controller. Confirm that the 3 m sensor probe reaches the point you want to monitor, and that the humidifying or dehumidifying mode suits your setup.











