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Calex PyroCube S and F For small targets and fast measurements

Calex PyroCube infrared temperature sensor with fast response, small measured spot and LED sighting
Part Number: PyroCube S and F
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Infrared Temperature Sensor with Fast Response, Small Measured Spot and LED Sighting

Features

  • Temperature range 0°C to 500°C
  • Continuous LED sighting shows the position and size of the measured spot while readings are being taken
  • Very fast response time: 10 ms
  • Measured spot as small as 1.6 mm
  • Multilingual touch screen interface (optional)

The PyroCube is an infrared pyrometer with an extremely fast response time and a very small measurement area size. It is available with or without the PM030 touch screen interface.

It is an ideal temperature sensor for blow moulding preform measurement, as well as applications in the food industry, laboratories, and many others. See Applications Tab

 

Infrared Temperature Sensor with Fast Response, Small Measured Spot and LED Sighting

Features

  • Temperature range 0°C to 500°C
  • Continuous LED sighting shows the position and size of the measured spot while readings are being taken
  • Very fast response time: 10 ms
  • Measured spot as small as 1.6 mm
  • Multilingual touch screen interface (optional)

The PyroCube is an infrared pyrometer with an extremely fast response time and a very small measurement area size. It is available with or without the PM030 touch screen interface.

It is an ideal temperature sensor for blow moulding preform measurement, as well as applications in the food industry, laboratories, and many others. See Applications Tab

 

PyroCube Sensor

Measurement Specifications

Temperature Range 0°C to 500°C
Response Time (95%) 10 ms (adjustable 10 ms to 5 s via averaging function)
Measured Spot Diameter From 1.6 mm (see Field of View Diagrams below)
Target Sighting Red LED built-in as standard on all models, shows the position and size of the measurement area. Switchable on/off.
Accuracy of Measurement ± 3°C or 1%, whichever is greater
Repeatability ± 0.5°C
Temperature Resolution <0.5°C
Emissivity Setting Adjustable, 0.3 to 1.0, via RS232C or optional touch screen interface
   

Electrical Specifications

Outputs 1 analogue output and 1 alarm output
Analogue Output 4-20 mA (set by default), 0-20 mA, mV/°C or voltage, selectable via optional PM030 touch screen interface
Alarm Output 1 open drain alarm output, rated 27 V DC, 0.2 A
Supply Voltage 5 to 27 V DC, 100 mA max
Digital Communications RS232C Modbus RTU, non-isolated

 

Field of View Diagrams

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.

Accuracy specifications are valid up to the maximum distances shown.

 

Mechanical Specifications

Weight (without cable) 80 g

Environmental Specifications

Environmental Rating IP67
Operating Ambient Temperature 0°C to 50°C
Storage Temperature -15°C to 70°C
Operating Ambient Humidity 30% to 85% RH non-condensing

 

Display Options

Model PM030 - Optional touch screen terminal for indication, configuration, data logging and alarm outputs. Sensor is available with or without display.

PM030 Touch Screen Interface Module

 

PM030 Specifications

Touch Screen Display Format - 2.83” (72 mm) resistive touch TFT, 320 x 240 pixels, backlit

Configurable Parameters

  Temperature units °C/°F
  Displayed temperature
  LED sighting on/off
  Password
  Date & time (for data logging time stamps)
  Peak hold period, decay level
  Averaging period
  Correction (gain/offset)
  Emmissivity setting (with teach function)
  Reflected energy compensation (with teach function)
  Output type
  Output temperature range
  Polarity on error
  Alarm mode, levels, hysteresis

PM030 Data Logging Specifications

Storage MicroSD Card (optional), max. 32 GB, equal to 16 years of data at the fastest sample rate of 1 per second
Data Logging Interval 1 second to 1 day (configurable)
Internal Clock Battery 1 x BR 1225 3V (not included)
Variables Logged Instantaneous target temperature, hold temperature, alarm events
File format .csv

Configurable Parameters (Data Logging)

  Sample period
  Number of samples
  Scheduled start

Configurable Parameters (Alarm Logging)

  Log times when triggered, acknowledged, reset
  Log data while triggered
   
   

 

PM030 Touch Screen Interface

Provides temperature display, alarm outputs, sensor configuration and data logging for one PyroCube sensor.

 

Panel Mounting Kit

The Panel Mounting Kit (PMK) is an ABS plastic assembly that allows the PM030 touch screen interface to be fitted to a panel.

 

Mounting Bracket

The L-shaped fixed mounting bracket offers a rigid support for the sensor and allows fine rotational adjustment about one axis.

Protective Window

The protective calcium fluoride window helps prevent contamination and damage of the PyroCube sensor’s lens.

Air Purge Collar

Helps keep dust, moisture and contaminants away from the lens. Use clean (instrument) air.

Airless Dust Protector

Helps keep dust away from the lens. No air supply is required.

 

Extension Cable

5 metre long cable for PyroCube sensor, fitted with connectors at both ends.

Right Angled Mirror

Reflects the PyroCube sensor’s field of view by 90 degrees, making it easier to install in tight spaces. Includes a protective calcium fluoride window to keep dust from settling on the mirror and lens.

Water Cooling Jacket

Allows the sensing head to be installed where the ambient temperature is above 50°C. Includes an air purge inlet to stop condensation from forming on the lens. Please note that the sensor’s output cable is rated to 80°C.

PID Controllers

The analogue output of the PyroCube is compatible with any of our indicating controllers for closed-loop PID control.

 

PyroCube Applications

 

If you need a pyrometer with a very small measurement spot size, a very fast response time, or continuous built-in aiming, the PyroCube is ideal. Here are some applications where each of these features can be used.

Fast Response Time

Two lightning-fast response time options are available: 0.01 or 0.001 seconds.

Rejecting Defects in Food Pouch Sealing

After a plastic food pouch is filled, the top is heat-sealed. The pouch then passes the PyroCube sensor, which measures a temperature profile as it passes, to check if the seal is good. The profile is analysed by a PLC that looks for defects and controls a reject chute. If the temperature profile is smooth and lasts the correct length of time, the seal is good.

These defects can occur:
– Temperature profile is uneven: The seal area is wrinkled.
– Temperature drops away briefly, then returns to normal: Foreign object in the seal area (e.g. some food)
– Temperature profile drops away too quickly: There is a fold in the pouch.

The 1 ms response time of the PyroCube-F is necessary because the production line is fast and the reject chute must be operated quickly.

Preform Temperature Measurement in PET Bottle Blow Moulding

Plastic PET bottles are manufactured by heating a “preform”, a test tube shaped piece of plastic, then inflating it inside a mould. Robotic blow-moulding machines typically inflate a group of preforms at the same time; the group is held stationary in front of the sensor for a short time before it is placed in the mould.

After the preforms are heated, the temperature is measured using the PyroCube. The preforms are cooling constantly while they are held before the mould, and it is critical that they are inflated at the right temperature.

The fast response time of the PyroMini allows the temperature to be measured accurately until the last moment before the preforms are placed in the mould, even on fast blow moulding machines. This provides a true indication of the temperature at the very start of the moulding process.

Small Measured Spot Size

Model PCU-S1.6 can measure a spot as small as 1.6 mm in diameter.

Electric Motor Rotor Temperature Measurement

Electric vehicle research and development is now growing rapidly. Motor manufacturers are developing highly efficient power systems, and measuring the temperature of moving parts in R&D applications is an ongoing challenge.

The rotor of an electric motor test rig can be measured through a small hole in the stator or housing using the PyroCube model PCU-S1.6. The fast response time means it is easy to obtain an accurate temperature profile during tests, even if the temperature rise is extremely rapid. If the surface is reflective metal, or if copper windings are visible, the test rotor should be painted to increase its emissivity and allow an accurate measurement.

Ensure the hole is at least twice the size of the sensor’s field of view so that the stator temperature does not influence the rotor temperature measurement – see the optical diagram on the PyroCube data sheet for more information.

Component Temperature in PCB Manufacturing

Circuit board manufacturers need to check the temperature of electronic components in several ways, depending on the type of board and its intended use.

When the board is powered in standard usage conditions, or when testing voltage limits, the temperature of individual components such as integrated circuits may be measured quickly and accurately, thanks to the PyroCube’s small measured spot and built-in aiming light.

The PyroCube can also be used to check the surface temperature of a circuit board that has been heated for ambient operating temperature testing.

Electrical Wire and Cable Manufacturing

Plastic insulation is applied to electrical wires by passing the copper wire through an extruder. After the extruder, the insulation is flame-polished by passing it through a blowtorch-like flame. The outer sheath (jacket) of the cable is also applied using this process.

The polishing flame is controlled by measuring the temperature of the newly-applied insulation with a PyroCube infrared temperature sensor, and connecting the output to a PID controller or PLC. The small spot size allows insulation diameters of 1.6 mm or larger to be measured, and the built-in aim light makes it easy to ensure the sensor is properly aligned.

Continuous Aiming

All PyroCube models have a built-in red LED aiming light, showing exactly where the sensor is aimed, and the size of the measurement spot.

Repositionable Temperature Sensor for Gas Cylinder Filling

The temperature of industrial gas cylinders is monitored continuously as they are filled, and this measurement is used along with the pressure to calculate the volume of gas. The temperature reading also indicates problems during filling, such as valves not opening or closing properly.

A group of cylinders is moved into the filling rig before the gas lines are connected, and the position of the cylinders is not always the same. For this reason, the operator needs to adjust the position of the sensor quickly, and see exactly where it is aiming.

The solution is to use a PyroCube model PCU-S5.5 on rugged, flexible stay-put gooseneck tubing. The built-in aiming light illuminates the measured spot and may be used at distances of up to 200 mm.

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