--- product_id: 118524648 title: "CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input" brand: "caredy" price: "€ 43.68" currency: EUR in_stock: true category: "Caredy" url: https://www.desertcart.gr/products/118524648-ch402-temperature-controller-thermostat-ac85-264v-calibration-centigrade-high-precision store_origin: GR region: Greece --- # High Precision Compact Design Easy Operation CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input **Brand:** caredy **Price:** € 43.68 **Availability:** ✅ In Stock ## Summary > 🔧 Control Your Environment with Precision! ## Quick Answers - **What is this?** CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input by caredy - **How much does it cost?** € 43.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/118524648-ch402-temperature-controller-thermostat-ac85-264v-calibration-centigrade-high-precision) ## Best For - caredy enthusiasts ## Why This Product - Trusted caredy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Control:** Experience unparalleled accuracy with advanced PID control algorithms. - • **Smart Self-Tuning:** Automatically adjusts for optimal performance with no overshoot. - • **Compact & Reliable:** Designed for stability without compromising on space. - • **User-Friendly Interface:** Enjoy hassle-free operation with intuitive controls. - • **Versatile Compatibility:** Supports multiple sensor inputs for diverse applications. ## Overview The CH402 Temperature Controller is a cutting-edge device designed for high precision temperature management in industrial settings. With its advanced PID control algorithm and versatile sensor compatibility, it ensures reliable performance while being compact and user-friendly. ## Description Features: Advanced non-overshoot self-tuning scheme for convenient use, also with communication function. The controller has small size and stable performance, easy to operate. Specifications: Input: Thermocouple (TC)(K, J, R, S, B, E, N, T), thermal resistance (RTD) (PT100, JPT100, Cu50) standard voltage current signal Temperature Range: 0~1300℃ Basic Error: ± 0.5%±1digit of full range input Resolution: 1℃, 0.1℃ Sampling Speed: 3 times/sec Alarm Output: Relay contact AC250V 3A (resistive) Control Output: Relay contact AC250V 3A (resistive) Logic Level: DC 0/12V (with solid state relay) Zero Crossing Trigger Pulse: Optocoupler SCR output 1A 600V; 0-10mA current output (load resistance is less than 600Ω); 0-20mA current output (load resistance is less than 600Ω); 4-20mA current output (load resistance is less than 600) Control Mode: Fuzzy PID control, position control Power Supply Voltage: AC85-264V (50/60Hz), ( rated 100-240VAC) 100-240V universal switch power supply Operating Temperature: 0~50℃ Operating Humidity: <85%RH Power Consumption: <5VA Package Includes: 1 x Temperature Controller 2 x Screws ## Features - This smart digital temperature controller uses advanced special chip for industrial instruments of high precision, strong anti-interference ability - High reliability, multi-type sensor input, using wide range switching power supply - It has the new fuzzy control combined with the advanced PID control algorithm, good control of rapid change and long lag time - Advanced non-overshoot self-tuning scheme for convenient use, also with communication function - The controller has small size and stable performance, easy to operate ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MXHTBQB | | Brand | Caredy | | Colour | black | | Country Of Origin | China | | Manufacturer | Caredy | | UPC | 719527678776 | ## Product Details - **Brand:** Caredy - **Colour:** black - **Manufacturer:** Caredy - **UPC:** 719527678776 ## Images ![CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input - Image 1](https://m.media-amazon.com/images/I/61DBqtq9QNL.jpg) ![CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input - Image 2](https://m.media-amazon.com/images/I/71oj5e10Q1L.jpg) ![CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input - Image 3](https://m.media-amazon.com/images/I/614+x08kEuL.jpg) ![CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input - Image 4](https://m.media-amazon.com/images/I/6138tfPr-3L.jpg) ![CH402 Temperature Controller, Thermostat AC85-264V Calibration Centigrade High Precision Smart PID Cooling Relay TC/RTD Input - Image 5](https://m.media-amazon.com/images/I/61rhyfxQucL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/118524648-ch402-temperature-controller-thermostat-ac85-264v-calibration-centigrade-high-precision](https://www.desertcart.gr/products/118524648-ch402-temperature-controller-thermostat-ac85-264v-calibration-centigrade-high-precision) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-23*