---
product_id: 489891479
title: "Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN"
brand: "keenso"
price: "€ 2.93"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/489891479-temperature-controller-ch402-ac85-264v-high-precision-smart-pid-temperature
store_origin: NL
region: Netherlands
---

# Fast response High accuracy Reliable stability Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN

**Brand:** keenso
**Price:** € 2.93
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Control Your Climate, Elevate Your Space!

## Quick Answers

- **What is this?** Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN by keenso
- **How much does it cost?** € 2.93 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/489891479-temperature-controller-ch402-ac85-264v-high-precision-smart-pid-temperature)

## Best For

- keenso enthusiasts

## Why This Product

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

## Key Features

- • **User-Friendly Design:** Navigate effortlessly with an intuitive interface and compact design for seamless operation.
- • **Stability You Can Trust:** Enjoy high reliability with multi-type sensor inputs and a wide range of power supply options.
- • **Stay Informed with Alerts:** Monitor your system with a large LCD display featuring heating/cooling alarms and disconnection alerts.
- • **Precision at Your Fingertips:** Experience unparalleled accuracy with advanced industrial chip technology.
- • **Rapid Control for Optimal Performance:** Leverage the power of fuzzy control combined with advanced PID algorithms for swift temperature adjustments.

## Overview

The CH402 AC85-264V High Precision Smart PID Temperature Controller is a cutting-edge thermostat relay designed for optimal temperature management. With its advanced industrial chip, it offers high accuracy and stability, making it suitable for various applications. The device features a user-friendly interface, rapid response capabilities, and a large LCD display for real-time monitoring and alerts.

## Description

Specification: Power supply: 100-240v AC Input type: thermocouple K, J, R, S, B, E, T, N, W5RE/W26RE, PLII, U, L, thermal resistance PT100, JPT100; Free range setting. Control output: RELAY,3A/220V resistance Alarm output: upper and lower limit deviation alarm, 3A/220V resistance Accuracy level:±0.5 bytes Range: 0-400 degrees Control code: fuzzy PID control, bit control Working conditions: temperature 0 to 50℃, humidity<85% RH Weight: 198 g / 7 oz(approx.)   Packing list: 1 x thermostat 2 x mounting bracket 2 x screw

## Features

- √【Accuracy】: The intelligent digital temperature controller adopts advanced industrial instrument chip with high accuracy and strong anti-interference ability
- √【Stability】: Temperature Controller has High reliability, multi-type sensor input, using a wide range of switching power supply
- √【Quick response】：PID Temperature Regulator combines the new fuzzy control with the advanced PID control algorithm, and has the advantages of fast control speed and long lag time
- √【Easy to operate】: Temperature control has advanced self-regulation scheme, easy to use, small size, stable performance, easy to operate
- √【Alarm warning】: The temperature controller is using large LCD screen LED display heating/cooling control temperature alarm heater disconnection alarm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 10.8 x 9.5 x 4.8 cm; 198 g |
| Batteries required | No |
| Item weight | 198 Grams |

## Product Details

- **Brand:** Keenso
- **Voltage:** 220 Volts
- **Item weight:** 198 Grams
- **UPC:** 765613455936 748018383066
- **Manufacturer:** Keenso

## Images

![Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN - Image 1](https://m.media-amazon.com/images/I/61mZLC1I57L.jpg)
![Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN - Image 2](https://m.media-amazon.com/images/I/71sM7rD6hSL.jpg)
![Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN - Image 3](https://m.media-amazon.com/images/I/61kGOLqSojL.jpg)
![Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN - Image 4](https://m.media-amazon.com/images/I/51d5vXYZyVL.jpg)
![Temperature Controller, CH402 AC85-264V High Precision Smart PID Temperature Controller Thermostat Relay TC/RTD Input FK02-M*AN-NN - Image 5](https://m.media-amazon.com/images/I/51ibR2OP2qL.jpg)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-28*