BMT STC-3028 Dual Display Temperature & Humidity Controller

BMT STC-3028 Dual Display Temperature & Humidity Controller

Dual Relay | NTC Waterproof Sensor 1m | -50C To 90C | 0-100% RH | 10A 250V AC | Aquarium | Incubator

R 289.00
5.0(2)

rated at Takealot · checked Yesterday

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Average
R 364.16
Lowest seen
R 289.00
Highest seen
R 367.00
Last change
-R 77.00
First indexed
21 Sep 2026
Retailer
Takealot

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Description

AC 110-220V | Dual Relay Output | Intelligent Thermostat & Hygrostat

The BMT STC-3028 is a powerful, compact, and intelligent temperature and humidity controller with dual relay outputs for simultaneous heating/cooling and humidifying/dehumidifying applications. Equipped with a clear LED dual-display, this controller offers real-time monitoring and precise control, making it perfect for aquariums, incubators, greenhouses, vivariums, and environmental automation projects.

Designed for user-friendly operation, the STC-3028 features wide input power support (AC 110-220V), a high-precision NTC sensor, adjustable parameters for temperature and humidity setpoints and differentials, compressor delay protection, and an over-temperature buzzer alarm-all in a compact housing that's easy to install and configure.

Key Features

  • Dual control relays for independent heating/cooling and humidifying/dehumidifying
  • Clear LED dual display with real-time temperature and humidity readings
  • Adjustable temperature and humidity setpoints and differentials
  • Built-in compressor delay protection (1-10 minutes)
  • Audible over-temperature or sensor error alarm (buzzer)
  • Simple 3-button interface for programming and manual control
  • Waterproof NTC temperature sensor included (1-meter cable)
  • Wide input voltage range: AC 110V to 220V
  • Suitable for a variety of applications such as incubators, greenhouses, aquariums, and more

Specifications

  • Power supply: AC 110-220V, 50/60 Hz
  • Temperature control range: -50 C to 90 C (adjustable)
  • Temperature control accuracy: 1 C (within -50 C to 70 C)
  • Humidity range: 0-100% RH (sensor-dependent)
  • Control differential: Adjustable from 0.3 C to 10 C
  • Temperature resolution: 0.1 C
  • Sensor type: NTC Thermistor
  • Sensor cable length: 1 meter
  • Relay contact capacity (heating): 10A max @ 250V AC
  • Relay contact capacity (cooling): 10A max @ 250V AC
  • Compressor delay protection time: Adjustable 1-10 minutes
  • Working temperature: 0 C to 60 C
  • Storage temperature: -30 C to 75 C
  • Working humidity: 20%-85% RH (non-condensing)
  • Power consumption: <3W
  • Display: Dual 3-digit LED with status indicators
  • Alarm output: Integrated buzzer
  • Product dimensions: Approx. 84 × 69 × 34 mm
  • Color: Black

Applications

  • Reptile terrariums and animal habitats
  • Chicken egg incubators
  • Mushroom farms and seedling greenhouses
  • Aquatic systems and aquariums
  • HVAC testing and DIY environment control setups
  • Crystal displays, storage monitoring, or controlled environment

User Interface Overview

  • SET Key: Enter settings menu or confirm changes
  • Up / Down Keys: Navigate menus and adjust values
  • Power Key: Press and hold 3s to turn off; 1s to turn on

Quick Operation Guide

  • To View Settings:
    Press SET briefly to view current temperature setpoint
    Press Up or Down to view differential value
  • To Enter Settings Mode:
    Hold SET for 3 seconds
    Use Up/Down to scroll through menu options (e.g., F1, F2)
    Press SET again to adjust parameters
    Press and release SET to save and exit
  • To Reset:
    On startup, if "Er" appears, press any key to reset to default
    Reconfigure settings as needed after reset

What's in the box
1 x STC-3028 Temperature & Humidity Controller
1 x Waterproof Temperature Sensor
1 x Panel Instruction Manual