Rated Current 80A Directly
MID Certificated
High Accuracy Class C
35mm DIN Rail Mounted
Pulse Output
4 Modules 72mm Width
For IoT Energy Management, Factory, School
24 Channels Temperature Measurement
Support PT100/PT1000/NTC Sensors
High Accuracy Class 1
2 Channels Alarm Outputs
RS485 Communication
+86-18702106858 / +86-21-69156352
The ARTM-24 is a 24-channel temperature measuring instrument designed for comprehensive thermal monitoring of electrical equipment. It supports multiple sensor types including NTC thermistors (10kΩ to 100kΩ), PT100/PT1000 three-wire RTDs, and K/T/J/E/N thermocouples, covering measurement ranges from -200°C to 1372°C. The device features DIN35mm rail mounting, dual independent relay outputs for AL1/AL2 alarm functions, and RS485 communication via Modbus-RTU protocol for seamless industrial integration. Each channel offers individual enable/disable control and configurable high/low temperature thresholds with hysteresis settings through dedicated debug software. Optional wireless communication extends flexibility while an integrated ambient temperature/humidity sensor provides environmental context. With wide auxiliary power support (AC/DC 85-300V or DC 12-30V) and ±1°C measurement accuracy, the ARTM-24 is ideal for continuous temperature surveillance in transformer windings, motor bearings, and low-voltage electrical connections.
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Technical Features Function |
Features |
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ARTM-24 |
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Number of measurement channels |
24 |
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Input signal |
NTC:R25=10.00kΩ;B25/50=3380K; NTC:R25=50.00kΩ;B25/50=4150K; NTC:R25=100.00kΩ;B25/50=3950K; PT100/PT1000:Three-wire system; Thermocouple supports K, T, J, E, N types. |
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Measurement Range |
NTC:-40℃~140℃; PT100: Maximum support -200℃~850℃, the actual range depends on PT100; PT1000: Maximum support -200℃~850℃, the actual range depends on PT1000; Thermocouple: maximum support -200℃~1372℃, the actual range depends on the thermocouple model. |
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Accuracy class (standard signal) |
NTC:±1℃; PT100/PT1000:-200℃~200℃,±1℃;+200℃~850℃,±1%; Thermocouple: 1%. |
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Auxiliary power |
voltage range |
AC85~265V、DC100-300V,DC12~30V |
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Power consumption |
<=2W |
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Alarm Output |
Channel |
2 groups of normally open |
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Capacity |
AC250V/5A,DC30V/5A |
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Temperature and humidity input |
Channel |
1 (optional) |
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Temp |
±1℃ |
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HUM |
±3% |
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Communication |
Protocol |
Modbus-RTU |
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Interface |
RS485 |
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Baud rate |
2400,4800,9600,19200 |
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Environment |
TEMP |
-20℃~55℃ |
|
HUM |
<=95% |
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Power Monitoring Solution

Renewable Energy

Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.
Acrel Co., Ltd. is China Wholesale Multi-Channels PT100/PT1000/NTC Temperature Sensor Receiver & Controller Manufacturers and Multi-Channels PT100/PT1000/NTC Temperature Sensor Receiver & Controller Factory. Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs. We offer Multi-Channels PT100/PT1000/NTC Temperature Sensor Receiver & Controller for sale.
The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.
With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.
Together, we are building a smarter, greener future.
Authorized Patents
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