The DTWX-01 online temperature and humidity monitoring system is part of our high-quality “Smart Temperature and Humidity Inspection Systems” product line. It is specially designed for low-temperature environments where wired connections are impractical. Typical application scenarios include large grain storage warehouses, tobacco warehouses, cold storage facilities, ammunition depots, equipment rooms and other temperature- and humidity-sensitive areas. The DTWX-01 offers high accuracy, compact size, lightweight design, multi-channel support, data visualization, and compliance with relevant standards. With its powerful features, portability, and ease of use, it is an ideal solution for temperature and humidity measurement and data logging in low-temperature or large-area environments.

System Functions and Features

Wireless Data Transmission

Eliminates the limitations of wired sensor placement; no need for fixed cable routing.

Visual Data Processing

Simple, user-friendly interface with real-time visual feedback for efficient monitoring.

High-Accuracy Sensors

Wide measurement range with excellent precision.

Long Battery Life

Operates continuously for more than 100 hours on a single charge.

Compact and Lightweight

Easy to transport and deploy in field settings.

Independent Operation of Server (Host Unit)

Functions autonomously even without connection to a PC.

Flexible Data Export

Measurement data can be exported in multiple formats, including Excel.

Regulatory Compliance

Supports various national and industry standards for thermal field testing across different device types.

High Channel Capacity

Supports real-time monitoring of up to 80 channels simultaneously, expandable to a maximum of 250 channels.

Server (Host Unit) Functions

Data Storage

Automatically saves data locally to a USB drive for later processing and analysis.

Real-Time Display

The server features a user interface that displays real-time data from all active channels during acquisition.

Channel Configuration and Management

Users can freely select which channels to activate. The system automatically detects and removes non-functioning channels to optimize performance and ensure data synchronization.

Auto-Connection with Terminals

Automatically connects to remote temperature and humidity data loggers at startup — no complex setup required.

Temperature and Humidity Data Logger (Terminal Unit) Functions

· Real-time temperature and humidity display.

· Battery level indicator.

· Device ID display.

· Data correction: supports in-field calibration or offset correction to improve measurement accuracy.

· Standalone operation: terminal units can operate independently of the server for flexible deployment.

Technical Parameters

Sensor type	High-precision temperature & humidity integrated sensor		High-precision temperature sensor
Model	W-RH1G	W-RH2G	W-PT1G	W-PT2G
Temp range	（-40~65）℃ （0~100）%RH		（-40~65）℃
Accuracy （5℃、20℃、50℃）	±0.1℃ ±1.5%RH	±0.15℃ ±2.0%RH	±0.1℃	±0.15℃
Display resolution	0.01℃ 0.01%RH		0.01℃
Dimensions	46mm×31mm×106mm(L×W×H)
Weight	Appr.120g(with battery)
Connection method	Wireless connection
Transmission distance	≥100m(Unobstructed)
Sampling interval	1s~1200s(Adjustable)
Degree of protection	IP65(Dustproof, spill resistant)
Screen	1.1-inch display
Charging time	≤ 3 hours (charging time varies depending on charger)
Usage environment	（-40~85）℃
Software platforms	Windows (32-bit and 64-bit): Win7, Win8 (8.1), Win10

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