Temperature and Humidity Detection System with Cloud Platform
The temperature and humidity monitoring system of Shenzhen Topray Electronics Co., Ltd. is used in workshops, warehouses, computer rooms, medicine, refrigeration and other fields that have high requirements for temperature and humidity data.
The temperature and humidity detection system has functions such as real-time monitoring, historical query, data storage, analysis, upper and lower limit value setting, alarm when the set value is exceeded, and remote viewing of data.
The system includes software system and hardware system.
Networking methods are divided into: wired and wireless communication.
Hosting choosen plan: Choose one of the two
1.T3 data overview host technical parameters (with display)
1.1 7-inch full-touch color display screen
1.2 USB interface to easily export data
1.3 Handheld or fixed installation
1.4 Fully isolated universal input, multiple signal collection
1.5 All-aluminum sealed shell and internal shielding plate, working normally in harsh environments
1.6 Ethernet access, set a fixed IP, any computer in the LAN can view and download data through the software
1.7 The display interface is rich and can view real-time curves and save alarm information in real time, so that every alarm information will not be lost.
1.8 Single channel name supports custom modification of Chinese and English names
1.9 Support data transmission to the data platform. Mobile phones and external computers can view and download data in real time.








Interface definition:
zigbee/lora antenna
Ethernet
232/485 interface
DC power supply
2.Technical parameters of TP300 data receiver
2.1 TP300 is a multi-functional data transmission, monitoring and management host: small size, easy installation, and multiple interfaces.
2.2 Standard Ethernet, RS485, TYPE-C communication ports: You can choose zigbee, lora, wifi, 4G and other communication methods to meet different scenarios.
2.3 The host can meet up to 256 channels of data collection (one module 8 channels * 32 modules)
Product number |
Model Description |
Model Description |
TP300-A/Z/L |
485, zigbee, lora reception, 485, network port upload |
Two RS485 channels are standard (one to one) Ethernet communication, type-interface |
TP300-A/Z/L/4G |
485, zigbee, lora reception, 4G upload |

Temperature and humidity recorder selection TP401/TP402/TP405
1.Technical parameters of TP401 series temperature and humidity recorder
Function |
Parameter |
Operating temperature range |
-20ºC~70ºC |
Accuracy |
Temperature ±0.3-0.5ºC Humidity ±3%-5%RH |
Measuring range |
Temperature -40ºC~85ºC, humidity 0~95%RH (external temperature and humidity probe), up to 3 external temperature and humidity probes.) |
Recording capacity |
50000 groups |
LCD display resolution |
Temperature 0.1ºC Humidity 0.1%RH. |
Communication |
485,Zigbee,Lora |
Powered by |
5-28VDC, built-in rechargeable lithium battery |
Size |
125*67*40mm |
Certification |
Calibrated, tested and certified by CTI and other authoritative testing and certification departments at all levels. |
Model Selection |
(Select according to different communication methods) TP401VR (485), TP401VZ (Zigbee), TP401VL (Lora), TP401VT (Thread) |



1.1 Working temperature range: -20-70°C
1.2 Accuracy: temperature ±0.5°C, humidity ±3%RH
1.3 Measuring range: Built-in sensor temperature -40°C-120°C, humidity 0-95%RH
(Three external sensors can be connected to support customized temperature ranges)
1.4 Recording capacity 50,000 groups
1.5 Swiss imported integrated temperature and humidity sensor
1.6 LCD display resolution: temperature 0.1°C, humidity 0.1%RH
1.7 Communication method: RS485, zigbee, lora
1.8 Passed the calibration, testing and certification by authoritative testing and certification departments at all levels such as Shenzhen Institute of Metrology and CTI.
2.Technical parameters of TP402 temperature and humidity collector
Function parameters |
|
Function |
Parameter |
Specification |
77*61*28mm |
Power Input |
2.1-3.6V, battery powered (18505 battery) |
Communication parameters |
Lora communication, distance 1 km (open space), frequency band 433-510MHz |
Measuring range |
(Sensor fixed type) Temperature: -30-70ºC, Humidity: 0-95% (Sensor external type) Temperature: -40-85ºC, Humidity: 0-99% |
Accuracy |
Temperature ±0.5ºC, humidity: ±5% |
Working environment: Temperature |
Temperature: -30-70ºC, humidity: 0-95% |
Protection level |
IP31, no immersion in water, no water splashing |
Drift |
Temperature: <0.1ºC/year, Humidity: <0.5%/year |

3.TP405 temperature and humidity signage technical parameters
Function parameters |
|
Function |
Parameter |
Specification |
428*288*38mm |
Powered by |
Power adapter (12/24VDC) |
Communication |
485,Zigbee,Lora,4G |
Measuring range |
(Sensor built-in) Temperature: -30-70ºC, Humidity: 0-95%
(Sensor external) Temperature: -40-85ºC, Humidity: 0-99% |
Accuracy |
Temperature ±0.3~0.5ºC, humidity: 3%~±5% |
Work Environment |
Temperature: -30-70ºC, humidity: 0-95% |
Protection level |
IP31, no immersion in water, no water splashing |
Power consumption |
300mA |
Drift |
Temperature: <0.1ºC/year, Humidity: <0.5%/year |

Company Profile
Shenzhen Toprie Electronics Co., Ltd. is a leading high-tech enterprise specializing in the development and manufacturing of environmental monitoring and data acquisition solutions.
Established in 2009, our company operates a state-of-the-art facility spanning over 3,000 square meters, equipped with six advanced production lines and a highly skilled team committed to research, design, quality control, and precision manufacturing.
Core Business
We provide a comprehensive portfolio of cutting-edge products, including:
Multi-Channel Data Loggers & Paperless Recorders
Humidity & Temperature Sensors and Loggers
Gas Detectors
Multi-Parameter Cleanliness Analyzers
Smart Wireless Pressure & Temperature Sensors
Smart Water Meters
Water Level Meters, Ultrasonic Level Meters & Radar Level Meters
Multi-Channel Data Acquisition Modules (DAS & DAQ)
Smart IoT Gateways & Edge Computing Gateways, RTU, and DTU
SCADA Systems, HMI & HDMI Solutions
Thermal Imaging Cameras & Infrared Temperature Sensors
Electric, Power, and Energy Meters / Power Quality Analyzers
Comprehensive IoT Solutions
Quality & Customization
With advanced testing facilities, state-of-the-art manufacturing technologies, and a rigorous quality assurance system, we ensure that every product meets the highest industry standards.
In addition to our proprietary product line, we offer OEM and ODM services, providing customized solutions tailored to our clients' specific requirements, including personalized branding.
Our Commitment
Driven by integrity, innovation, and excellence, we are dedicated to delivering high-quality products and exceptional customer service. We welcome you to visit our company or contact us to explore potential collaboration opportunities.




FAQ
Q: Are you a factory/manufacturer?
A: Yes, we are a professional manufacturer of data loggers, humidity & temperature sensors, gas detectors, pressure sensors, water level meters, liquid level transmitters, data acquisition modules, IoT gateways, thermal imaging cameras, power & energy meters, and more.
Q: Can I customize my logo and communication methods?
A: Yes, logo customization is available with a small MOQ. We support multiple communication methods, including GPRS, 4G, Wi-Fi, LoRa, and LoRaWAN. Please inform us in advance.
Q: What is your lead time? How long for custom instruments?
A: Standard products ship within 3-5 days after payment. Custom orders depend on quantity and requirements.
Q: What payment methods do you accept?
A: We accept T/T (bank transfer), Western Union, PayPal, and more.
Q: What packaging and shipping methods do you use?
A:
Standard carton packaging
Shipping via express (door-to-door), air, or sea as per customer requirements.
Q: What is your after-sales service policy?
A: We offer a 12-month warranty and lifetime maintenance. Our professional support team provides one-on-one assistance and responds within 24 hours to resolve technical issues.
For more inquiries, feel free to contact us!
