Elitech RCW-800W Wi-Fi IoT Temperature and Humidity Data Logger

Product Overview

The RCW-800W series is a Wi-Fi enabled IoT data logger designed for real-time monitoring, recording, alarming, and data transmission of ambient temperature and humidity. It comprises temperature and humidity sensors and a main unit, transmitting readings directly via Wi-Fi to the Elitech Cold Cloud platform. Users can view data in real-time and configure the device via a mobile app. Alerts for threshold breaches are sent via SMS, email, voice messages, and WeChat. In conjunction with the "Elitech Cold Cloud" platform and the "Elitech IoT" app, users can remotely view data, query historical records, and receive alarms. The product is widely used in food, pharmaceutical, catering, and international warehousing logistics.

Product Features

Suitable for warehouses, cold rooms, refrigerated trucks, medicine cabinets, and laboratory refrigerators.
Compact and elegant design with a magnetic mounting system for easy installation.
Large TFT color display with extensive information.
Built-in rechargeable lithium battery, which uploads data even during power outages.
Built-in acoustic and visual alarms ? for local alerting.
Various sensor types available (see selection catalog).
Wi-Fi ? communication without additional costs.
Supports Bluetooth ? quick connection.
Stores up to 20,000 data sets and supports continuous data storage.
Multiple alarming options: local acoustic and visual alarms, SMS ✉️, WeChat ?, voice messages ?️, and email ?.

Product Interface

Display Area

Error Code ⚠️
Time ⏰
Date ?
Sensor 1 ID
Current Temperature ?️
Buzzer Status ?
WIFI Status ?
Battery Status ?
Charge Status ⚡
Sensor 2 ID
Current Humidity ?
Machine Status
Number of Offline Data

*When temperature and humidity exceed upper limits, values display in red. If they fall below lower limits, values display in blue.

Physical Buttons and Ports

Power LED Indicator ?
Alarm LED Indicator ?
Left Button ◀️ (Switch between Celsius/Fahrenheit)
LCD Display
Home Button ?
Right Button ▶️
Monitoring Start/Stop ▶️/⏹️
Buzzer On/Off ?
Micro-USB Port ?
Rear Case Mounting Screws
Bracket Slide
Battery Compartment Rear Cover
Reset Button ? (Short press for Wi-Fi/Bluetooth pairing mode, long press to restart device)
Sensor Port (Dual-channel/temperature and humidity sensor)
Power Switch ?

Sensor Types

Sensor Type	Channels	Measurement Range	Sensor Type	Measurement Accuracy
External Temperature & Humidity	1 Temperature, 1 Humidity	Temp: -40°C~80°C Humidity: 0%RH~100%RH	Digital Temperature & Humidity Sensor or NTC Sensor	Temp: -20°C~+40°C ±0.5°C, otherwise ±1°C Humidity: ±5%RH
Dual Temperature	2 Temperatures	Temp: -40°C~80°C	Digital Temperature & Humidity Sensor or NTC Sensor	Temp: -20°C~+40°C ±0.5°C, otherwise ±1°C (Humidity accuracy not specified for this type)

Technical Specifications

1. Power Input	5V/1A
2. Temperature Display Resolution	0.1°C
3. Humidity Display Resolution	0.1%RH
4. Offline Storage Capacity	20,000 data sets
5. Storage Method	Cyclic storage
6. Recording and Upload Intervals	Normal Recording Interval: Adjustable from 1 minute to 24 hours. Alarm Recording Interval: Adjustable from 1 minute to 24 hours (must be ≤ normal recording interval). Normal Upload Interval: Adjustable from 1 minute to 24 hours, default 5 minutes. Alarm Upload Interval: Adjustable from 1 minute to 24 hours, default 2 minutes (must be ≤ normal upload interval).
7. Battery Life	Minimum 7 days (@25°C, upload interval 5 minutes).
8. Indicator Lights	Alarm indicator ?, Charge indicator ⚡.
9. Screen	TFT color display.
10. Communication Method	Wi-Fi ?.
11. Alerting Method	Local alarms and Cloud alarms (SMS ✉️, App notifications, Email ?, WeChat ?).
12. Buttons	Power switch ?, Reset ? (Wi-Fi/Bluetooth setup), Left ◀️, Home ?, Right ▶️, Temperature switch (°C/°F), Monitoring Start/Stop ▶️/⏹️, Buzzer On/Off ?.
13. Protection Class	IP50
14. Product Dimensions	110mm × 78mm × 27mm.

Operation Instructions

Charging

Connect the USB cable to the power adapter for charging. During charging, the charge indicator LED ⚡ stays on, and the status bar shows the charging icon.

Button Functions

Home Button ?: Short press to return to the home screen.
Left Button ◀️: Short press to scroll forward through menus/pages.
Right Button ▶️: Short press to scroll backward through menus/pages.
Celsius/Fahrenheit Switch (°C/°F): Press and hold for 3 seconds to change the temperature unit.
Monitoring Start/Stop ▶️/⏹️: Press and hold for 3 seconds to start or stop monitoring. Data recording begins or stops, and the status indicator in the bottom-left corner shows "Monitoring" or "Not Monitored".
Buzzer On/Off ?: Press and hold for 3 seconds to enable or disable the buzzer function. The status bar on the LCD screen displays the buzzer ON/OFF icon. A short press can silence the current buzzer alarm when in an alarm state.

Settings Interface

Dual Sensor Configuration Parameters

Sensor 1 Alarm Limit
Sensor 2 Alarm Limit
Upper Temperature Alarm Value
Lower Temperature Alarm Value
Upper Temperature Alarm Value (for Sensor 2)
Lower Temperature Alarm Value (for Sensor 2)

Temperature and Humidity Configuration Parameters

Temperature Alarm Configuration for Sensor 1
Humidity Alarm Configuration for Sensor 2
Upper Humidity Alarm Value
Lower Humidity Alarm Value
Upper Humidity Alarm Value (for Sensor 2)
Lower Humidity Alarm Value (for Sensor 2)

System Information Configuration Parameters

Interval between two data records
Data recording interval in case of alarm
Interval for uploading data to the cloud platform ☁️
Interval for uploading data to the cloud platform ☁️ in case of alarm
Current data collection duration
Total number of collected data
Automatic sleep time after inactivity
Device Wi-Fi IP Address ?
Device Wi-Fi MAC Address
Device ID (20-digit)
Current Device Software Version
Wi-Fi Configured: (Configured/Not Configured)

APP Operation Instructions

Download and Install APP ⬇️: Scan the QR code (reference) to download the "Jingchuang IoT" or "Elitech iCold" APP.
Registration and Login: Open the APP, enter required information on the login screen (Figure 1 reference), and click "Login". For new accounts, click "Register Now" and follow instructions on the registration screen (Figure 2 reference).
Wi-Fi Configuration ?:
- Connect your phone to the Wi-Fi network and open the APP.
- Short press the Reset Button ? on the device to enter Wi-Fi configuration mode. Check the LCD status indicator.
- In the APP, click the "Add Device" icon.
- Scan the QR code on the back of the device or manually enter the Device GUID.
- Edit the device name, select the time zone, and click "Add".
- Click "Confirm" to start Wi-Fi configuration.
- Enter the Wi-Fi password in the APP.
- Click "Confirm" to complete Wi-Fi configuration successfully ✔️.
- If configuration fails ❌, repeat steps. To reconfigure Wi-Fi, enter "Device Information" in the APP and click the "Reset WiFi" icon (Figure 3 reference).
Bluetooth Configuration ?:
- Connect your phone to Wi-Fi, open the APP, and enable Bluetooth.
- Short press the Reset Button ? to enter Bluetooth configuration mode. Check the LCD status indicator.
- Configuration steps are similar to Wi-Fi. Bluetooth configuration supports static IP address settings.
- Activate Bluetooth configuration.
- Obtain IP address automatically or enter manually (IP Address, Subnet Mask, Gateway Address, DNS Server Address).
- Enter Wi-Fi password in the APP.

Cloud Platform

For more functions, visit the Elitech Cloud Platform at www.e-elitech.cn.

Recharging

After initial device addition, free SMS, data, and premium service trials are provided. After the trial expires, recharge the device. Refer to the "Jingchuang Cold Cloud Value-Added Service Charging Guide" in the APP for details.

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