--- product_id: 491623629 title: "Digital Temperature and Humidity Sensor with RS485" brand: "centopto" price: "HK$521" currency: HKD in_stock: true reviews_count: 2 url: https://www.desertcart.hk/products/491623629-digital-temperature-and-humidity-sensor-with-rs485 store_origin: HK region: Hong Kong --- # Humidity tolerance: Β±3% RH RS485 communication support High accuracy: Β±0.3℃ Digital Temperature and Humidity Sensor with RS485 **Brand:** centopto **Price:** HK$521 **Availability:** βœ… In Stock ## Summary > 🌟 Elevate Your Environment with Precision Monitoring! ## Quick Answers - **What is this?** Digital Temperature and Humidity Sensor with RS485 by centopto - **How much does it cost?** HK$521 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/491623629-digital-temperature-and-humidity-sensor-with-rs485) ## Best For - centopto enthusiasts ## Why This Product - Trusted centopto brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Robust Design:** Engineered with a digital SHT20 sensor and lightning protection for exceptional reliability and durability. - β€’ **Precision Monitoring:** Experience unparalleled accuracy with a fault tolerance of less than 0.3℃ and 3% RH. - β€’ **Seamless Integration:** Easily connect and monitor your environment with MODBUS protocol and RS485 interface. - β€’ **User-Friendly Display:** Stay informed with a large backlit LCD screen that presents real-time temperature and humidity data clearly. - β€’ **Versatile Installation:** Choose from three convenient installation methods: standard box, wall mount, or magnetic suction. ## Overview The Digital Temperature and Humidity Sensor is a high-accuracy monitoring transducer designed for industrial applications. It features a large LCD display, supports RS485 communication, and offers multiple installation options, making it a versatile choice for precise environmental monitoring. ## Description Full description not available ## Features - High Precision Meter - The temperature and humidity sensor can measure ambient temperature and humidity with high accuracy and the fault tolerance is less than 0.3%℃ and 3%RH - Large LCD Screen - The RS485 temperature/humidity meter with a large-size backlight LCD screen that can display real-time readable temperature and humidity data, clear and accurate - Excellent Design - The industrial transducer adopts digital SHT20 high-precision sensor and lightning protection design to ensure the products with good reliability and interchangeability - Support RS485 - The thermometer and humidity sensor complies with MODBUS communication protocol and adopt RS485 hardware interface which can upload and monitor real-time data - Portable Installation - You have three methods to install the thermometer hygrometer: standard 86x86 bottom box installation, wall mount installation and magnetic suction installation ## Product Details - **Brand:** Centopto - **Special Feature:** 袅清屏幕 - **Outer Material:** Plastic - **Display Type:** LCD - **Product Care Instructions:** Use requires a power adapter! - **Power Source:** Battery Powered - **Model Name:** Cent-OLED-S001 - **Upper Temperature Rating:** 70 Degrees Celsius - **Response Time:** 1000 Milliseconds - **Reusability:** Reusable ## Images ![Digital Temperature and Humidity Sensor with RS485 - Image 1](https://m.media-amazon.com/images/I/41s3TsexCBL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well - must set ID number according to documentation included. *by V***E on August 15, 2023* I have found these units to work well in a commercial enviorment. Need to follow diagram for setting ID number (dip switch 1&3 up = ID5 - see diagram) Have NOT had any polling issues with these, no matter the speed. I use 1 sec and 9600 baud. I had to use Modbus program to change the baud rate (can find free ones on-line). Plug is handy - easy to unplug unit and plug in another one for testing. I will continue to buy these units for my temp/humidity solution. ### ⭐ Instructions do not match shipped item. *by T***E on April 26, 2023* Because the instructions do not match or due to the unit being faulty (DOA) I have not been able to get this device to function. I am not able to find any google support and Amazons support lead to a completely different device. I would have sent this back however I did not try it before the return option went away. ## Frequently Bought Together - Centopto Digital Temperature and Humidity Sensor with Modbus RS485, Industrial High Accuracy Monitoring Transducer Thermometer Hygrometer with LCD Display DC10~28V - Chtaixi AC Miniature Circuit Breaker, 10 Amp 120V/240V 1 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C10 - Electromagnetic Power Relay, 8-Pin 10 AMP 24V AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ [Applicable for DIN Rail System] --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/491623629-digital-temperature-and-humidity-sensor-with-rs485](https://www.desertcart.hk/products/491623629-digital-temperature-and-humidity-sensor-with-rs485) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-05-17*