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Calex PyroMini OEM - Low-Cost Pyrometer

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PyroMini OEM is a compact, high-performance infrared temperature sensor with a wide temperature range (-20°C to 500°C). It features multiple outputs, a right-angled cable entry, and precise measurement capabilities on various materials.

Part Number: PyroMini OEM

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Overview
Field of View
Applications
Specifications

Measure temperatures from -20°C to 500°C with precision optics

PyroMini OEM non-contact infrared temperature sensors measure temperatures from -20°C to 500°C and provide a choice of analogue outputs.
The miniature sensing head of the PyroMini OEM has a right-angled cable entry, allowing it to be installed where space is limited.
An ambient temperature rating of 0°C to 120°C allows use in applications such as dryers and curing machines where the air temperature is high.
Non-reflective, non-metallic materials such as paper, textiles, food, thick plastics, rubber, organic materials and painted surfaces can be measured accurately with the PyroMini OEM.
Metal surfaces can be measured, provided they are painted or coated first.

Features

Miniature sensing head withstands up to 120°C ambient temperature without cooling
Measurement ranges from -20°C to 500°C
Choice of outputs: 4-20 mA, 0-10 V DC, Type J or K thermocouple
Right-angled cable entry for low-profile installations
Stainless steel sensing head, sealed to IP65
Fixed emissivity 0.95 - suitable for measuring most non-reflective non-metals, and painted surfaces
Not designed or approved for fever detection

Characteristics

Simple – Save installation time and reduce the cost of instrumentation on the machines you build with the PyroMini OEM.

Easy – This simple sensor works straight out of the box with no configuration necessary.

Accurate – Fixed emissivity setting provides accurate measurements on non-reflective materials such as paper, foodstuffs, organic materials, rubber, painted surfaces (including painted metals) and thick plastics.

Compact – Install the sensor where space is limited. The sensing head measures just 55 mm long, with a right-angled cable entry.

Industry standard outputs – A choice of robust industrial analogue outputs including 4-20 mA, thermocouple or voltage allows the sensor to be connected directly to an existing temperature indicator or controller.

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

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, and accuracy does not change with distance; this is because the sensor detects only the wavelengths of infrared radiation that are not absorbed by the atmosphere.

Typical Applications

The PyroMiniOEM is ideal for use in a range of applications, such as:

Food industry

The PyroMini OEM's non-intrusive design means this temperature sensor can be fitted to food manufacturing machines, taking up a minimum of space, and can be used without contamination of the product. This is all thanks to the compact 55mm non-contact sensing head.

Plastics

In the plastic manufacturing industry, thermoforming machines heat plastic sheets to make them malleable. Provided the plastic is thicker than a millimetre or so, it can be measured easily using a general purpose sensor (contact Calex for specialised sensors for thinner plastics).

To integrate a PyroMini OEM sensor into existing machinery monitoring systems, there is a choice of four analogue output options.

Wood Processing

Timber workpieces in wood manufacturing machines are constantly on the move, and as such contact temperature probes would not be suitable. Wood temperature can be measured in processes such as sawing, sanding and planing to help indicate worn cutting surfaces.

Textiles

Calex sensors are commonly used in measuring textiles with success. Industries such as textile manufacturing deploy temperature sensors to their production machinery, to monitor fabric web temperatures as well as the equipment itself such as coated rollers. Steel rollers can be measured using the PyroMini OEM if a band is painted (to measure bare steel, consider the PyroUSB).

Machinery such as screen-printers, dryers and tunnel finishers will benefit due to the need for continuous temperature monitoring.

Enclosed Spaces

A small sensing head with a right-angled cable entry allows for the discreet installation of the PyroMini OEM into most spaces. The sensor can be installed in a 16 mm hole via the included mounting nut, and optional mounting brackets are also available.

Technical Information
Temperature Range	-20°C to 100°C (LT models) 0°C to 250°C (MT models) 0°C to 500°C (HT models)
Output	Choice of outputs: 4-20 mA, 2-wire, loop-powered, linear with temperature, 0-10 V DC, linear with temperature, Type J Thermocouple, Type K Thermocouple
Field of View	Choice of options (see Optics)
Accuracy	± 1°C or 1%, whichever is greater
Repeatability	± 0.5°C or 0.5%, whichever is greater
Emissivity Setting	Fixed at 0.95
Response Time, t90	240 ms (90% response)
Spectral Range	8 to 14 μm
Voltage (at Sensor)	12 to 28 V DC (for 0-10 V DC models) 8 to 28 V DC (for all other models)
Maximum Current Draw	20 mA (normal use) / 22 mA (fault condition)
Max. Loop Impedance	900 Ω (4-20 mA output)

Mechanical Specifications
	Sensing Head	Electronic Module
Construction	Stainless Steel 316	Aluminium
Lens	Silicon	-
Major Dimensions	Ø 18 x 55 mm (see Installation)	26.5(h) x 25(w) x ~130(l) mm including cable glands
Mounting	M16 x 1 mm thread Mounting nut included	Requires four M3 screws (see Installation)
Cable Length	Sensing head cable: 3 m Output cable: 1 m as standard; up to 30 m available

Environmental Specifications
	Sensing Head	Electronics Module
Environmental Rating	IP65	IP50
Ambient Temperature Range	0°C to 120°C	0°C to 70°C
Relative Humidity	Maximum 95% non-condensing	Maximum 95% non-condensing

Electromagnetic Compatibility Standards

Conforms with EMC Directive EN61326-1:2013 (Electrical Equipment for Measurement, Control and Laboratory Use – Industrial)

Measure temperatures from -20°C to 500°C with precision optics

Features

Miniature sensing head withstands up to 120°C ambient temperature without cooling
Measurement ranges from -20°C to 500°C
Choice of outputs: 4-20 mA, 0-10 V DC, Type J or K thermocouple
Right-angled cable entry for low-profile installations
Stainless steel sensing head, sealed to IP65
Fixed emissivity 0.95 - suitable for measuring most non-reflective non-metals, and painted surfaces
Not designed or approved for fever detection

Characteristics

Simple – Save installation time and reduce the cost of instrumentation on the machines you build with the PyroMini OEM.

Easy – This simple sensor works straight out of the box with no configuration necessary.

Compact – Install the sensor where space is limited. The sensing head measures just 55 mm long, with a right-angled cable entry.

Calex PyroMini OEM - Low-Cost Pyrometer

Measure temperatures from -20°C to 500°C with precision optics

Features

Characteristics

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

Typical Applications

Food industry

Plastics

Wood Processing

Textiles

Enclosed Spaces

Technical Information

Mechanical Specifications

Environmental Specifications

Electromagnetic Compatibility Standards

Measure temperatures from -20°C to 500°C with precision optics

Features

Characteristics

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