Digital Day/Night Temperature Controller

Separate Day and Night Temperature Setpoints, 120V

The BETA-4 controls any heating or cooling device rated up to 10 amps, simply by plugging the device into its outlet.

Using three buttons and a digital display, set separate day and night temperature targets, and the built-in photocell will automatically switch between them as light levels change.

Key Features & Benefits

• Heating or Cooling Function — Works with either type of device plugged into its outlet.
• Built-In Photocell — Automatically detects day and night status to switch settings.
• Simple 3-Button Operation — Digital display makes adjusting setpoints straightforward.
• 16 ft Temperature Sensor — Position the sensor close to the plant canopy for accurate readings.

Who Should Use the BETA-4 Temperature Controller

Growers who need separate day and night temperature targets for a heater or cooler without manually adjusting settings twice a day.

Specifications

Operates on 120 volts AC with a triac output switch and a 6A/250V fuse rating. Temperature control range is 40-100°F with a 5°F deadband. Includes a 1.8m power cord and 16 ft sensor cable.

Frequently Asked Questions

What temperature range can the BETA-4 control?

From 40°F to 100°F, with a 5°F deadband.

Can it control both heating and cooling devices?

It controls either type of device, but only one connected device at a time.

How does day/night switching work?

A built-in photocell detects light levels and automatically applies your day or night temperature setting.

Where should the temperature sensor be placed?

Close to the plant canopy, using the included 16 ft sensor cable.