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4 channel RTD PT1000 Temperature Acquisition Module
4 channel RTD PT1000 Temperature Acquisition Module
4 channel RTD PT1000 Temperature Acquisition Module
4 channel RTD PT1000 Temperature Acquisition Module
4 channel RTD PT1000 Temperature Acquisition Module

4 channel RTD PT1000 Temperature Acquisition Module

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Product Attributes

Model No.CT-3744

Packaging & Delivery

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SPS-C Series IO_20260119_11180739
Product Description
CT-3744 4-channel RTD-PT1000 Temperature Acquisition Module
Module Features
1. The module supports 4-channel RTD thermal resistance (PT1000) temperature acquisition
2. There is isolation between channels, and the isolation voltage is 500V
3. The module could be connected to 2-wire or 3-wire PT1000 temperature sensor
4. The module has 4 analog input channel LED indicators
5. 15 bit ADC resolution
Technical Parameters
General Parameter
Power Max.91mA @ 5.0VDC
Isolation
The isolation voltage between I/O channel and system power is AC500V
The isolation voltage between I/O channel and field power is AC500V
The isolation voltage between I/O channel and PE is AC500V
Channel isolation AC500V
Field power Not used
Wiring
Max.: AWG 18        Min.: AWG 24
Mounting Type 35mm DIN-rail
Size 115*14*75mm
Weight 65g
Environment Specification
Operating Temperature of Vertical Installation -35℃~60℃
Operating Temperature of Horizontal Installation -35℃~70℃
Relative Humidity 5~ 95%RH (No Condensation)
Storage Temperature -40℃~85℃
Storage Humidity 5~ 95%RH (No Condensation)
Manufacturing Test Temperature -40℃~75℃
Ingress Protection Rating IP20
Vibration Resistance Comply with IEC 61131-2 and EC 60068-2-6
Impact resistance Comply with IEC 61131-2 and IEC 60068-2-27
EMC Performance Comply with IEC 61131-2 and IEC 61000-4
Input parameter
Channel Number 4-channel input
Indicator 4 RTD channel input indicator
Resolution 15 Bits
Sensor type PT1000 RTD
Measurement Range -220~850℃
Measurement Accuracy 0.5℃
Conversion Rate 100ms/4 channel
Diagnostic Function
32766:The sensor is not connected or disconnected
-32766:Short Circuited
32765:Chip failure
32767:Overflow
-32768:Underflow
Application scenarios:
Application 2
FQA
Q:RTD type supported?
A:PT1000, 4 channels.
Q:Isolation characteristics?
A:Channel-to-channel isolation.
Q:Applications?
A:Industrial temperature monitoring, environmental measurement.
ODOT Solutions
Certifications & Quality Assurance:
ODOT Products comply with international industrial standards, including CE and RoHS, and undergo strict quality control to ensure long-term reliable operation in industrial environments.
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Technical Support
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Fast Delivery  
ODOT maintains sufficient inventory for standard models.
Most products can be shipped within 1-3 working days, helping customers accelerate project schedules.
Professional technical support and application assistance are available throughout the project lifecycle.
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ODOT In Hannover Messe
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Home> Products> Remote IO Modules> Temperature IO Module> 4 channel RTD PT1000 Temperature Acquisition Module

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