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Description
BMT STC-3028 TEMP/HUMID CONTROLSTC 3028 Dual Display Temperature and Humidity Controller. AC 110 220V. Dual Relay Rated AT 10A Dual Display Temperature and Humidity Controller Features Mini and lightweight design Large and clear LCD display Wide temperature range ( 50 99C temperature) Dual heating and cooling Automatic over temperature alarm Control the temperature by setting the temperature setpoint and different values Temperature calibration Cooling control output delay
STC-3028 Dual Display Temperature and Humidity Controller. AC 110-220V. Dual Relay Rated AT 10A
Dual Display Temperature and Humidity Controller
Features
- Mini and lightweight design
- Large and clear LCD display
- Wide temperature range (-50-99°C temperature)
- Dual heating and cooling
- Automatic over temperature alarm
- Control the temperature by setting the temperature setpoint and different values
- Temperature calibration
- Cooling control output delay protection
- Including installation wiring diagram
Specifications
- Color: Black
- Application: Aquarium, Crystal Ball, Animal Feeding, Paludarium, Chicken Incubator
- Control temperature range: -50 - 90 °C temperature (adjustable)
- Control temperature difference: 0.3 - 10 °C temperature (adjustable)
- Resolution: 0.1 °C temperature
- Accuracy: ±1 °C temperature (-50 - 70 °C insulation)
- Sensor: NTC sensor
- Sensor failure delay: 2 minutes
- Relay contact capacity (heating): 10A (maximum) 250 V
- Relay contact capacity (cooling): 10 A (max) 250 V
- Compressor delay protection time: 1~10 minutes (adjustable)
- Working temperature: 0 - 60 °C temperature
- Storage temperature: -30 - 75 °C temperature
- Working relative humidity: 20~85% (no condensation)
- Alarm output: buzzer
- Power supply: AC110~220V 50/60 Hz
- Power consumption: <3 W
- Cable length: 1 meter
- Product size: approx. 84 * 69 * 34 mm
Package List:
- 1x Mini Thermostat Temperature Controller
- 1x Waterproof Sensor
Panel instruction
- Display instruction: Three-digit LED + Minus digit + Status indicator light(Status indicator light(Cool, Heat)+Set indicator light(Set)) Key instruction:"" ""Key: the key to set;"" ""key: Up key;"" ""key: Down key;"" "":the key to turn on and off the power
Key operation instruction
- The way to check parameter: Under normal working status, press"" ""key it displays temperature setting value; press "" ""key it displays the difference value.
- The way to set parameter: Under controller normal working status, press"" ""key for 3s or more to enter parameter modifying mode, and the ""Set"" indicator light on, screen displays the first menu code ""F1"". Press"" ""key or"" "" key to adjust up and down and display the menu item and the code of the menu item. Press"" ""key to display the parameter value of the current menu. Press both"" "" key and hold"" ""key or"" "" key simultaneously to choose and adjust the parameter value of the current menu value promptly. After finishing the setting, press and release the "" ""key instantly to save the parameter modified value and return to display the normal temperature value. If no key operation within 10 seconds, system won't save modified parameter, screen back to display normal temperature.
- Restore system data when electrified, system will check itself, screen will display ""Er""if error exit, please press any key at this time, and it restores default value and enter into normal working mode. it is advised to reset the parameter value under such conditions
Operation instruction
Under controller normal working status, press and hold"" ""key for 3s can turn off the controller; Under controller ""off"" status, press and hold"" "" key for 1s can turn on the controller. Under the controller normal working status, screen displays the current measuring temperature value; also the controller can also switch the working mode between heating and cooling. Controller starts refrigerating with cool indicator light on when the measuring temperature value≥ temperature set value + difference value, and the refrigerating relay is connected; If the ""Cool"" indicator light flashes, it indicates the refrigerating equipment is under compressor delay protect status; when the measuring temperature values≤ temperature set value, the Cool indicator light on, and
refrigerating relay disconnects. System starts heating when the measuring temperature value≤ the temperature set value-difference value, and the ""Heat"" indicator light
on, the heat relay connects; When the measuring temperature 2 temperature set value the ""Heat"" indicator light is off, and the heat relay disconnects.
Downloads
Additional Information
| Device | Controller |
| Type | Dual Display | Temperature and Humidity |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
It's so easy to move around!
Color: Dark Mocha, Size: 8 Panel
This room divider is beautiful and is very light to move around. Also, it is vdry affordable. It works perfect in the space that I bought it for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Great divider for outside privacy also
Color: Black, Size: 8 Panel, Color: Black, Size: 8 Panel
This divider fit the bill as far as a solution for privacy between houses. I’ve had it for over a year and it’s held up very well. So well, and I’m adding another one on the other side of the property. Easily put up and in this case, I just attached it with bungee cords to keep it from blowing over in the wind. Very well-made and attractive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2025
★★★★★ 5
Great purchase
Color: Dark Mocha, Size: 8 Panel
Great quality just what I needed for the space!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
Stylish and very functional for a primary bathroom
Color: C. Black, Color: C. Black
I installed these shelves in my primary bathroom and I’m very happy with the result. The design is clean and modern, and it helps keep the space organized without looking cluttered. I really like the combination of the solid shelf and the wire basket—it’s perfect for storing towels, toilet paper, and a few decorative items.
The materials feel sturdy and well made, not cheap or flimsy. Installation was straightforward and didn’t require anything complicated. It definitely upgraded the look of my bathroom and made better use of the vertical space.
Great option for a primary bathroom if you want both function and style. I would recommend it.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Sleek and Minimalist Bathroom Shelf
Color: A. Brown, Color: A. Brown
I recently got this bathroom shelf, and I love it! The minimalist design looks super clean and modern, and it fits perfectly in my bathroom without taking up too much space.
The build quality is great—it feels sturdy and well-made, and it holds my toiletries easily. Installation was simple, and it really helps keep things organized.
Overall, it’s a stylish, practical addition to any bathroom. Highly recommend!
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Reviewed in the United States on February 17, 2026