PyroMiniBus Infrared Temperature Sensor with RS485 Modbus Interface

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PyroMiniBus Infrared Temperature Sensor with RS485 Modbus Interface
6 Channel Temperature Measurement System for PyroMiniBus
6 Channel Temperature Measurement System for PyroMiniBus

PyroMiniBus Infrared Temperature Sensor with RS485 Modbus Interface

Regular price $213.00 Sale SKU:IR-CA-PMB21
2 In stock* Ships in 5 weeks, if NOT in stock
* ships same or next day

  • Miniature Non-Contact Temperature Sensor
  • RS485 Modbus Interface
  • Measures Temperatures from -20°C to 1000°C
  • Withstands Ambient Temperatures of 120°C Without Cooling

The PyroMiniBus is an industrial infrared temperature monitoring system with miniature sensors and optional display modules.

PyroMiniBus sensors are designed to measure the surface temperature of non-reflective materials in industrial applications, from -20°C to 1000°C.

They are sealed to IP65, built from 316 stainless steel and fully tested to industrial EMC standards.

They can measure food, paper, thick plastics, asphalt, paint, bulk materials and organic materials, as well as most dirty, rusty or oily surfaces.

PyroMiniBus sensors have an operating temperature rating of up to 120°C with no need for cooling.

The sensors measure just 45 mm long (plus cable gland), so they can fit into the smallest of spaces.

Up to 6 sensors can be connected to the optional PM180 interface module, which provides temperature display, configuration, and high-capacity data logging to a MicroSD Card.

Analog and relay outputs are available via separate DIN rail mounted modules.

With up to 6 sensors connected to one IR-CA-PM180, the PyroMiniBus is an ideal low-cost non-contact temperature measurement system.

PyroMiniBus sensors and IR-CA-PM180 sub-networks may be connected directly to an RS485 Modbus SCADA system or PLC. It is possible to measure the temperature of hundreds or thousands of locations on the same network.

IR-CA-PM180 Touch Screen Interface Module (optional)
6-channel touch screen terminal for temperature display, alarms, configuration and data logging. Separate RS485 Modbus Master and Slave interfaces

IR-CA-PMBHUB Junction Box (optional)
Wall-mounted IP65 junction box for PyroMiniBus. Allows up to 6 sensors to be easily connected to a PM180 via the included 8 cable glands and removable screw terminals.

 To Order click on the model no.(or scroll to the top of page and select field of view) then click the ADD TO CART button
Model No. Description
 IR-CA-PMB21In Stock Infrared Temperature Sensor with RS485 Modbus Interface, 2:1 Wide-Angle Field of View
 IR-CA-PMB201In Stock Infrared Temperature Sensor with RS485 Modbus Interface, 20:1 General Purpose Field of View
 IR-CA-PMBXCF Infrared Temperature Sensor with RS485 Modbus Interface, Close Focus Field of View
IR-CA-PM180 Touch Screen Interface Module
IR-CA-PMBHUB Junction Box



PyroMiniBus User Manual

PyroMiniBus Temperature Measurement System Diagram

Calex Config Software(single channel software)

How to Use with Third Party Modbus Software


Temperature Range: -20°C to 1000°C
Interface: RS485 Modbus RTU
Accuracy: ±1% of reading or ±1ºC whichever is greater
Repeatability: ± 0.5% of reading or ± 0.5°C whichever is greater
Emissivity: 0.2 to 1.0
Response Time, t:90: 125 ms (90% response)
Spectral Range: 8 to 14 μm, suitable for measuring high-emissivity materials such as paper, thick plastics, food, pharmaceuticals, rubber, asphalt and painted surfaces
Supply Voltage: 6 to 28 V DC
Supply Current: 50 mA max.
Baud Rate: 9600 baud (other configurations available upon request)
Cable Length: 1m standard, contact IOThrifty for additional cable lengths
Modbus Data Format: 8 data bits, no parity, 1 stop bit (other configurations available upon request)
Configuration Method: Via PM180 touch screen, or directly via RS485 Modbus
Configurable Parameters: Emissivity Setting, Averaging, Peak/Valley Hold Processing, Reflected Energy Compensation
Optics:  See Diagrams

PyroMiniBus 2:1 Field of View

 PyroMiniBus 20:1 Field of ViewPyroMiniBus Close Focus Field of View



Since the outbreak of the Covid-19 pandemic, we have received a lot of interest in the use of our infrared temperature sensors for body temperature measurement.  Our sensors are designed for industrial and laboratory surface temperature measurement.  They are not designed or certified for body temperature measurement or for medical use. Because of this IOThrifty does not warranty or guarantee their use in body temperature measurement applications