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Calex PyroCAN - Pyrometer with digital CAN interface

Manufacturer:
PyroCAN infrared temperature sensors measure temperatures from -20°C to 1000°C and transmit the reading digitally via a Raw CAN interface.
Part Number: PyroCAN
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Seamless Integration with CAN networks 

The PyroCAN measures the temperature of a surface and transmits it via CAN Bus using the Raw CAN protocol. The sensor can be connected to a network with more PyroCAN sensors and other types of CAN device. A configurable CAN ID allows it to be connected easily to an existing network. The adjustable emissivity allows a variety of materials to be measured with high accuracy and repeatability. 

The PyroCAN series is a range of general purpose infrared temperature sensors (pyrometers) that measure the temperature of surfaces without contact. The temperature is transmitted digitally every 200 ms via a CAN interface. The sensor’s CAN ID and emissivity setting may be changed via a CAN command.

The sensor is suitable for measuring a variety of non-metal surfaces, including painted materials, rubber, plastics, asphalt, soil, plants, organic materials, food and pharmaceuticals. Metals can be measured if they are painted or heavily oxidised.


Features

  • Non-contact infrared temperature sensor with CAN Bus interface
  • Temperature range: -20°C to 1000°C
  • Configurable CAN ID and adjustable emissivity setting
  • Raw CAN communications
  • Adjustable emissivity setting for measuring a variety of materials
  • Fast 200 ms response with high stability
  • Stainless steel housing, sealed to IP65
  • Ideal for vehicle-based applications in automotive testing, motorsport testing, industry, construction and agriculture, among many others.
  • Conforms to industrial EMC standards

Target size and distance are critical to accuracy for most IR thermometers

All PyroCAN sensors have precision silicon optics with a well-defined measurement area. The sensor measures the average temperature within the measured spot shown.

The wide-angle 2:1 optics of model PCAN21 provide a relatively large measurement area. They are ideal if the target is large, or the sensor is positioned very close to the measured surface.

The general-purpose 20:1 optics of model PCAN201 provide a small, precise measurement area.

Accessories for laser sighting are available, either to aid aiming during installation, or for continuous indication of the measurement area.


   


All models can measure at longer distances than shown, with a larger measured spot size.

Diagrams show the diameter of the measured target spot versus the distance from the sensing head. Given measured spot sizes contain 90% of the energy detected by the sensor. We recommend the target should be at least twice the size of the measured spot for maximum accuracy.

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 PyroCAN detects only the wavelengths of infrared radiation that are not absorbed by the atmosphere.

Typical Applications


Automotive Testing

Multiple sensors can be mounted in various locations around a vehicle during testing, to monitor the surface temperatures of engine blocks, suspension parts, belts and exhausts.


Industrial and agricultural vehicles

The PyroCAN allows temperature monitoring on vehicles throughout industry and agriculture. The process temperature can be accurately monitored without contact, and parts of the vehicle can be monitored with the same sensor.

Technical Information

General Specifications

Temperature Range -20°C to 1000°C
Interface Raw CAN
Accuracy ±1% of reading or ±1ºC whichever is greater
Repeatability ± 0.5% of reading or ± 0.5°C whichever is greater
Emissivity Setting Adjustable via CAN, 0.2 to 1.0
Response Time, t90 200 ms (90% response)
Spectral Range 8 to 14 μm
Supply Voltage 12 to 24 V DC
Supply Current 50 mA max.

CAN Protocol Specifications

Baud Rate 250 kbps
Data Format 8 bytes total:
Bytes 1-4: Object temperature as floating point
Bytes 5-8: Ambient temperature as floating point
Transmit Interval 200 ms
CAN ID range ID can be set between 0 and 255 as a 4-byte unsigned integer
Emissivity Adjustable from 0.2 to 1.0 as a 4-byte floating point

Mechanical Specifications

Construction Stainless Steel
Dimensions 18 mm diameter x 103 mm long
Thread Mounting M16 x 1 mm pitch
Cable Length 1m (longer lengths available to order)
Weight with Cable 95 g

Environmental Specifications

Environmental Rating IP65
Ambient Temperature range 0°C to 90°C
Relative Humidity 95% max. non-condensing

Electromagnetic Compatibility Standards

EN61326-1, EN61326-2-3 (Electrical Equipment for Measurement, Control and Laboratory Use – EMC Requirements – Industrial)

Seamless Integration with CAN networks 

The PyroCAN measures the temperature of a surface and transmits it via CAN Bus using the Raw CAN protocol. The sensor can be connected to a network with more PyroCAN sensors and other types of CAN device. A configurable CAN ID allows it to be connected easily to an existing network. The adjustable emissivity allows a variety of materials to be measured with high accuracy and repeatability. 

The PyroCAN series is a range of general purpose infrared temperature sensors (pyrometers) that measure the temperature of surfaces without contact. The temperature is transmitted digitally every 200 ms via a CAN interface. The sensor’s CAN ID and emissivity setting may be changed via a CAN command.

The sensor is suitable for measuring a variety of non-metal surfaces, including painted materials, rubber, plastics, asphalt, soil, plants, organic materials, food and pharmaceuticals. Metals can be measured if they are painted or heavily oxidised.


Features

  • Non-contact infrared temperature sensor with CAN Bus interface
  • Temperature range: -20°C to 1000°C
  • Configurable CAN ID and adjustable emissivity setting
  • Raw CAN communications
  • Adjustable emissivity setting for measuring a variety of materials
  • Fast 200 ms response with high stability
  • Stainless steel housing, sealed to IP65
  • Ideal for vehicle-based applications in automotive testing, motorsport testing, industry, construction and agriculture, among many others.
  • Conforms to industrial EMC standards