---
product_id: 124969716
title: "ApTechDeals W1209 50~100 digital temperature controller thermostat"
brand: "aptechdeals"
price: "₩11241"
currency: KRW
in_stock: true
reviews_count: 8
category: "Ap Tech Deals"
url: https://www.desertcart.kr/products/124969716-aptechdeals-w1209-50-100-digital-temperature-controller-thermostat
store_origin: KR
region: South Korea
---

# Waterproof 0.5M sensor High precision 0.1°C control Wide temp range -50~110°C ApTechDeals W1209 50~100 digital temperature controller thermostat

**Brand:** aptechdeals
**Price:** ₩11241
**Availability:** ✅ In Stock

## Summary

> 🌟 Master your climate with pinpoint precision — don’t let your setup settle for less!

## Quick Answers

- **What is this?** ApTechDeals W1209 50~100 digital temperature controller thermostat by aptechdeals
- **How much does it cost?** ₩11241 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/124969716-aptechdeals-w1209-50-100-digital-temperature-controller-thermostat)

## Best For

- aptechdeals enthusiasts

## Why This Product

- Trusted aptechdeals brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Waterproof Sensor:** Durable 0.5M NTC sensor ensures reliable readings even in humid or wet conditions.
- • **Compact & Lightweight Design:** Sleek 80g unit fits effortlessly into any setup without bulk or hassle.
- • **Precision at Your Fingertips:** Set and maintain exact temps with 0.1°C accuracy for flawless environment control.
- • **User-Friendly Digital Display:** Clear, real-time temperature readout with error alerts keeps you informed and in control.
- • **Versatile Heating & Cooling Modes:** Seamlessly switch between heating and cooling to suit any application with intuitive controls.

## Overview

The ApTechDeals W1209 digital temperature controller offers a broad control range from -50 to 110°C with ultra-precise 0.1°C resolution. Featuring a waterproof 0.5M NTC sensor and dual heating/cooling modes, it delivers reliable, real-time temperature management in a compact, user-friendly design ideal for industrial, scientific, and aquarium applications.

## Description

Product Description Explicit dimensions The thermostat has different modes, you have to press the SET key to enter the setup then press "+" "-" to switch to [H] for heating mode & [C] for the cooling mode. Now long press SET or leave 10 seconds without button operation, the controller automatically confirms completion. Display functioning The digital sensor displays 888 when it is open, HHH for the excess of the maximum temperature of the measuring range, LLL of the measuring range of the lowest temperature (in both situations the thermostat will force off the relay). How to use Connect the thermostat with the power supply and equipment, as the measured temperature is displayed press the 'SET' button. When the display flashes press '+' '-' to set the desired temperature then press confirm the return, the temperature will automatically execute.

Review: Somewhere useful product. - Small but working, quality also okay 👍.
Review: Good - Good product

## Features

- Control range: -50 ~ 110
- Resolution: -9.9-99.9 0.1 , other temperature ranges 1
- Measuring inputs: NTC (10K 0.5%) Waterproof sensor 0.5M
- Environmental requirements: -10-60 , humidity 20% -85%
- Control accuracy: 0.1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PSLMPMW |
| Best Sellers Rank | #382 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Temperature Controllers |
| Brand | ApTechDeals |
| Brand Name | ApTechDeals |
| Colour | Multicolor |
| Country of Origin | China |
| Customer Reviews | 3.9 out of 5 stars 1,040 Reviews |
| Display Type | Digital |
| Importer Contact Information | Aptechdeals ; B-1/7 Nanhey Park Uttam Nagar New Delhi- 110059; support@aptechdeals.com ;88106-13060 |
| Included Components | w1209 temperature controller |
| Item Weight | 80 Grams |
| Manufacturer | ApTechDeals, JIPVI TOOLS PVT LTD ;Third floorTaishi Plaza GUANZHOU China - 510040;hone number : 9599559766 Manufacturer ApTechDeals, JIPVI TOOLS PVT LTD ;Third floorTaishi Plaza GUANZHOU China - 510040;hone number : 9599559766 See more |
| Manufacturer Contact Information | JIPVI TOOLS PVT LTD ;Third floorTaishi Plaza GUANZHOU China - 510040;hone number : 9599559766 |
| Material | Plastic |
| Material Type | Plastic |
| Packer Contact Information | Aptechdeals ; B-1/7 Nanhey Park Uttam Nagar New Delhi- 110059; support@aptechdeals.com ;88106-13060 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ApTechDeals
- **Colour:** Multicolor
- **Display Type:** Digital
- **Item Weight:** 80 Grams
- **Material:** Plastic

## Images

![ApTechDeals W1209 50~100 digital temperature controller thermostat - Image 1](https://m.media-amazon.com/images/I/51ujxW0Rr8L.jpg)
![ApTechDeals W1209 50~100 digital temperature controller thermostat - Image 2](https://m.media-amazon.com/images/I/41+Wyv1xGHL.jpg)
![ApTechDeals W1209 50~100 digital temperature controller thermostat - Image 3](https://m.media-amazon.com/images/I/51fwmbkxqyL.jpg)
![ApTechDeals W1209 50~100 digital temperature controller thermostat - Image 4](https://m.media-amazon.com/images/I/517JOaTv7pL.jpg)
![ApTechDeals W1209 50~100 digital temperature controller thermostat - Image 5](https://m.media-amazon.com/images/I/51jifsFbkyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Somewhere useful product.
*by N***. on 2 December 2025*

Small but working, quality also okay 👍.

### ⭐⭐⭐⭐ Good
*by S***I on 18 March 2025*

Good product

### ⭐⭐⭐⭐⭐ Useful
*by A***R on 16 November 2025*

Good item. Fixed this in ups with lithium battery. Connected to a computer fan. It switches on at 50 degree and keeps ups cool.

## Frequently Bought Together

- ApTechDeals W1209 50~100 digital temperature controller thermostat
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**Shop now:** [https://www.desertcart.kr/products/124969716-aptechdeals-w1209-50-100-digital-temperature-controller-thermostat](https://www.desertcart.kr/products/124969716-aptechdeals-w1209-50-100-digital-temperature-controller-thermostat)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-08*