Description

GC433-TX043 Passive Sensor Module: LoRa Solution and Application Fields

Name: GC433-TX043 Passive Sensor Module with LoRa Solution
Brand: OTOMO
Availability: InStock
Rating: 5 (1 reviews)

I. Core Features of the Module's LoRa Solution

The GC433-TX043 LoRa wireless temperature measurement transmitting module is specially designed for power industry applications. It adopts an integrated solution of CT power harvesting + LoRa wireless modulation, eliminating the need for battery power supply and ensuring higher safety.

Core Features	Detailed Description
Power Supply Mode	CT power harvesting passive design with a minimum starting current of only 3A; ultra-low starting current technology, resistant to high voltage and electrostatic discharge
Wireless Technology	LoRa modulation technology with strong anti-interference ability and excellent signal penetration; operating in 410~450MHz frequency band with 41 optional channels
Power Control	6 power levels (-3dBm to 22dBm); typical transmitting current of 27~130mA and sleep current of only 2μA
Communication Interface	UART serial port supporting multiple baud rates from 9600 to 115200bps; parameter configuration via AT commands with power-off memory function
Temperature Measurement Performance	Built-in NTC temperature sensor with an accuracy of ±1℃, supporting temperature change detection (report triggered when temperature variation >1℃)
Physical Specifications	Ultra-compact size of 18.3×14.65mm, compatible with standard market enclosures for easy assembly
Operating Environment	Industrial-grade standard, working in a wide temperature range of -40℃~+85℃, adaptable to harsh power industry environments

II. Core Application Fields

This module is mainly targeted at temperature measurement scenarios in the power industry, and can also be extended to other fields requiring passive wireless monitoring:

1. Core Applications in Power System (Main Scenarios)

High-voltage switchgear temperature measurement: Monitors the temperature of key parts such as busbar connectors, circuit breaker contacts and cable terminals inside the switchgear
Ring main unit/medium-voltage switchgear temperature measurement: Suitable for temperature monitoring of equipment contacts in compact spaces such as ring main units and medium-voltage switchgears
High-voltage busbar temperature measurement: Monitors the temperature of high-voltage busbar connection points to prevent overheating faults caused by poor contact
Moving and static contact temperature measurement: Targets temperature monitoring of moving and static contacts of switchgear, a high fault-prone area of power equipment
Transformer temperature measurement: Applicable for temperature monitoring of transformer bushings, tap changers and other components
Cable joint temperature measurement: Monitors the temperature of cable intermediate joints and terminal joints to prevent insulation aging and fire hazards

2. Other Extended Application Scenarios

Industrial electrical equipment monitoring: Temperature monitoring of key contacts of motor control centers (MCC), frequency converters, UPS power supplies and other equipment
Rail transit electrical system: Temperature monitoring of power supply systems, traction converters and other equipment for high-speed railways/metro
New energy field: Temperature monitoring of power equipment such as photovoltaic inverters, energy storage systems and charging piles
Cold chain logistics monitoring: Usable for cargo temperature monitoring in cold chain transportation with adaptive power supply mode (passive power harvesting technology integrated)
Water conservancy facility monitoring: Temperature monitoring of electrical equipment in hydropower stations and pumping stations to ensure the safe operation of water conservancy projects

III. Solution Advantages and Value

Maintenance-free: Passive CT power harvesting design eliminates the need for battery replacement, reducing long-term operation and maintenance costs
High safety: No battery avoids the risk of chemical leakage; high-voltage resistant design adapts to power industry environments
Easy deployment: Ultra-compact size, simple installation and compatibility with standard enclosures, no custom mold required
Long-distance transmission: LoRa technology supports a transmission distance of more than 300 meters (at 5dBm power), meeting the large-space coverage requirements of substations and other venues
Flexible configuration: Quick parameter setting via upper computer software or AT commands, supporting customizable transmission cycles (1~255 seconds)

IV. Typical Application Solution Architecture

GC433-TX043 Transmitting Module: Installed at the measured points, with CT power harvesting coils sleeved on wires to obtain electrical energy
GC433-RX043 Receiving Module: Matching LoRa receiving host for receiving data from multiple transmitting modules
Data Management System: Uploads data to SCADA system or cloud platform via serial port/Ethernet to realize real-time monitoring, alarm and data analysis

This module, with its combined advantages of passive power supply + LoRa long-distance transmission, is an ideal choice for equipment temperature monitoring in the power industry. It effectively solves the power supply and data transmission challenges of temperature measurement equipment in high-voltage environments, helping users realize intelligent and unmanned temperature monitoring of electrical equipment and prevent safety accidents caused by thermal faults.

GC433-TX043 Passive Sensor Module with LoRa Solution