1 Product Introduction
2 Product Catelogue
3 Product Manual
3.1 Wi-Fi Monitor(WTH8266)
3.2 Wi-Fi Monitor(WTH3080)
3.3 GPRS Monitor(GTH202)
3.4 GPRS Monitor(GBTH202)
3.5 LTE Monitor
3.6 Firmware Upgrade
4 Operation on Cloud
4.1 Add your Device
4.2 View data on Web Portal
4.3 View Data on WeChat
4.4 Alert Notification
5 Connect to Your Own Server
6 Monitor Locally via LAN
7 Product DataSheet
7.1 WTH8266
7.2 WTH3080
7.3 GTH202
8 Product QuickStart
9 Tutorial Video
10 Technical Support
11 FAQ

1 Key Features

  • Measure the temperature or/and humidity and report the real-time data to the cloud
  • Plug and play, easy to use
  • High accuracy and large measurement range
  • Power on and automatically connect to the cloud
  • Enterprise-class performance, suitable for domestic, commerical and industrial use
  • Cloud service and WeChat app is available

2 General Specification

Specification Description
Standard package 1.GPRS Data Logger
2.Temperature or Temperature&Humidity Sensor
3. USB Powre Cable
4. Extension Probe Cable(Optional)
Power Supply DC 5V/1A
Communication Built-in GPRS
Antenna Internal 900/1800M antenna
SIM Card Micro SIM card
Reporting interval 5 minutes by default
Report contents Temperature measurement

3 Electrical characteristics

Temperature Only Version

Specification Description
Input Voltage 5V DC
Input Current 1A
Measurement Range -55℃ ～ +125℃，-67°F to +257°F
Measurement Accuracy ±0.5°C accuracy from -10°C to +85°C
Drift ±0.2℃

4 Mechanical characteristics

Specification Description
Package Weight 0.2kg
Dimension of Data Logger 60×58×28mm
Probe Length 1 meter by default, diffrent length is optional

5 Environmental conditions

Specification Description
Operating Temperature of Data Logger -40～+85℃
Operating Humidity of Data Logger 0～95%
Altitude 0～3000m

6 GPRS Parameters

Specification Description
Frequncy Band Quad-Band 850/ 900/ 1800/ 1900 MHz
GPRS Class 12
Coding Scheme CS1,2,3,4
GPRS Antenna Internal