8 Channel Resistance Measurement Module
Product No.: ZH-T08R
8 independent resistance input channels
Measurement range from 0.02Ω to 40MΩ
1mΩ resolution
Independent range configuration for each channel
The ZH-T08R 8 Channel Resistance Measurement Module is a high-precision industrial data acquisition device designed for accurate resistance measurement from 0.02Ω to 40MΩ. Each channel supports an independently configurable measurement range and is compatible with PT100, PT1000, Cu50, Cu100, NTC sensors, making it ideal for industrial automation, laboratory testing, equipment diagnostics, and temperature monitoring systems. It supports RS485, Ethernet, or CAN communication with configurable Modbus RTU and Modbus TCP protocols.
Why Choose ZH-T08R?
1.High Measurement Accuracy
Built with a 32-bit high-resolution ADC and industrial-grade ARM MCU, providing up to 1mΩ resolution and accuracy as high as 0.1% or better, depending on the measurement range and configuration.
2.Wide Resistance Measurement Range
Measure resistance from 0.02Ω,25Ω,1kΩ,5kΩ,20kΩ,100kΩ,1MΩ,10MΩl,up to 40MΩ
Each channel can be configured independently for maximum flexibility.
3.Multiple Sensor Compatibility
Supports PT100,PT1000,Cu50,Cu100,NTC 10K,NTC 100K,PTC,Diode testing
The same module can function as both a resistance measurement device and a temperature acquisition module.
4.Multiple Communication Interfaces
Available versions include RS485,Ethernet + RS485,CAN + RS485
Supports Modbus RTU,Modbus TCP
Suitable for PLC, SCADA, HMI, BMS, EMS and Industrial IoT applications.
Key Features
✔ 8 independent resistance input channels
✔ Measurement range from 0.02Ω to 40MΩ
✔ 1mΩ resolution
✔ Independent range configuration for each channel
✔ PT100/PT1000/Cu50/Cu100/NTC compatible
✔ Automatic or fixed measurement range selection
✔ Four adjustable sampling speeds
✔ Long-distance measurement capability
✔ Line resistance compensation
✔ Common-point measurement support
✔ Surge and over-voltage protection (up to 60V)
✔ Triple isolation between power, communication and measurement circuits
✔ DIN Rail mounting
✔ 9~30V DC wide power supply
✔ Operating temperature -40°C to +70°C
✔ RS485 / Ethernet / CAN versions available
✔ Configurable Modbus RTU / TCP protocol
Technical Specifications
Item
Specification
Channels
8 Resistance Inputs
Measurement Range
0.02Ω–40MΩ
Resolution
Up to 1mΩ
Accuracy
Up to 0.1% (depending on range)
Input Types
Resistance, PT100, PT1000, Cu50, Cu100, NTC, PTC, Diode
Communication
RS485 / Ethernet / CAN
Protocol
Modbus RTU / Modbus TCP
Supply Voltage
9–30V DC
Isolation
>1500V DC
Mounting
DIN Rail
Operating Temperature
-40°C to +70°C
Power Consumption
<0.6W (RS485), <3W (Ethernet)
This resistance measurement module is widely used in:
*Industrial Automation
*PLC Control Systems
*Factory Equipment Monitoring
*PT100/PT1000 Temperature Acquisition
*Battery Internal Resistance Testing
*Cable Resistance Measurement
*Sensor Calibration
*Laboratory Measurement Systems
*Electronic Manufacturing
*Renewable Energy Systems
*Equipment Maintenance
*Industrial IoT Monitoring
Ordering Information
Model
Communication
ZH-T08R-14N1
RS485
ZH-T08R-34N1
Ethernet + RS485
ZH-T08R-74N1
CAN + RS485
1.Can this module measure PT100 and PT1000 sensors?
Yes. The ZH-T08R supports PT100, PT1000, Cu50, Cu100, NTC, and other resistance-based temperature sensors with configurable measurement modes.
2.What communication protocols are supported?
The module supports configurable Modbus RTU and Modbus TCP communication over RS485, Ethernet, or CAN interfaces.
3.Can each channel have a different measurement range?
Yes. Each of the eight channels can be configured independently with its own measurement range or sensor type, allowing mixed applications within a single module.
4.Is the module suitable for industrial environments?
Yes. It features 1500V isolation, surge protection, wide DC power input, and operates from -40°C to +70°C, making it suitable for demanding industrial environments.
