OT-ZW600 Intelligent Temperature & Humidity Controller

The instrument uses an advanced microcontroller as its control core and is equipped with high‑performance imported temperature and humidity sensors. It can simultaneously measure and control temperature and humidity signals and provides digital display functionality.
Upper and lower limits for temperature and humidity can be configured via buttons, enabling the instrument to automatically activate fans or heaters based on real‑time environmental conditions, thereby regulating the actual temperature and humidity of the monitored environment.
Operating status is indicated by two green LEDs, enhancing intelligent operation and enabling the instrument to adapt to complex and variable field conditions, effectively protecting equipment.
This instrument is suitable for various cabinet types, including high‑ and low‑voltage switchgear, terminal boxes, and box‑type substations.

Basic Functions

Dual‑row large segmented digital display

Temperature measurement and control; measurement range: 0–99.9°C

Humidity measurement and control; measurement range: 10–99%RH

Independent upper and lower limit settings for temperature and humidity via buttons, with power‑off parameter retention

Communication capability included

Technical Specifications

Power Supply: AC220V ±10%

Operating Environment: –20 to +50°C; relative humidity ≤95%RH

Control Range: 0–99.9°C; 10–99%RH

Control Accuracy: Temperature ±0.5°C; Humidity ±5%RH

Power Consumption: ≤5W

Output Contact: AC220V, 5A (resistive load)

Panel and Operation

Press and hold the setting key to enter the parameter configuration interface. Press the setting key again to cycle through each parameter:

Temperature start value

Temperature hysteresis value

Heating/Cooling mode selection (1 = heating mode, 0 = cooling mode)

Humidity start value

Humidity hysteresis value

Humidifying/Dehumidifying mode selection (1 = humidifying, 0 = dehumidifying)

Communication address setting (default: 001)

Baud rate setting (default: 9600)

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