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PyroMiniUSB – Miniature Pyrometer with RS-485 Modbus for Multi-Channel Systems

PyroMiniUSB – Miniature Pyrometer with RS-485 Modbus for Multi-Channel Systems

  • Miniature non-contact temperature sensor
  • RS-485 Modbus interface
  • Measures temperatures from -20°C to 1000°C
  • For use in ambient temperatures of up to 120°C without cooling
  • Compatible with third-party RS-485 Modbus Master devices, or Calex touch screen interface
  • Not designed or approved for fever detection

PM180 Touch Screen Interface Features :

  • 6-channel temperature display with configuration, alarms and data logging
  • Analogue and alarm relay outputs via optional modules

System Features : 

  • Low-cost standalone 6-channel temperature measurement system
  • Build larger systems using the PM180’s separate Modbus Master and Slave interfaces
  • Connect PyroMiniBus sensors directly to third-party RS-485 Modbus systems

Description

Attribute Value
Temperature Range -20°C to 1000°C
Interface RS-485 Modbus RTU
Accuracy ±1% of reading or ±1°C, whichever is greater
Repeatability ±0.5% of reading or ±0.5°C, whichever is greater
Emissivity 0.2 to 1.0
Response Time, t90 125 ms (90% response)
Spectral Range 8 to 14 μm
Supply Voltage 6 to 28 V DC
Supply Current 50 mA max.
Baud Rate 9600 baud (other configurations available upon request)
Modbus Data Format 8 data bits, no parity, 1 stop bit (other configurations available upon request)

Configuration:

Attribute Value
Configuration Method – Via PM180 touch screen, or directly via RS-485 Modbus
Configurable Parameters – Emissivity Setting
– Averaging
– Peak/Valley Hold Processing
– Reflected Energy Compensation

 

Mechanical Specifications:

Attribute Value
Construction Stainless Steel
Dimensions 18 mm diameter x 45 mm long (excluding cable gland)
Thread Mounting M16 x 1 mm pitch
Cable Length 1m (longer lengths available to order)
Weight with Cable 85 g

Environmental Specifications:

Attribute Value
Environmental Rating IP65
Ambient Temperature Range – PyroMiniBus sensor: 0°C to 120°C including cable
– PMBHUB junction box: 0°C to 80°C
Relative Humidity 95% max. non-condensing

Field of View Diagrams

Please note: The given measured spot size contains 90% of the energy detected by the sensor. We normally recommend the target is at least twice as large as the given measured spot for maximum accuracy. Sensors may be used at longer distances than the above diagrams show. There is no maximum measurement distance in clean air; this is because the PyroMiniBus detects only the wavelengths of infrared radiation that are not absorbed by the atmosphere.

Data Sheet

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Manual

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