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详情介绍
Radiation pyrometers or 1-channel pyrometers measure as opposed to2-color pyrometers(ratio pyrometers) only on one channel (one wavelength range). With such devices, most measuring object temperatures can be well determined. Radiation pyrometers are available in many different designs, the selection is based onmeasuring temperature/measuring material, spectral range,response time / exposure time,environmental conditions,features, housing design.
Radiation pyrometers are available in the following housing designs / series:
Short-Wave Measurements
metals, ceramics, glass, composites, semiconductor, wafers, molten glass...
The material to be measured largely determines which spectral range of the pyrometer should be selected. For metal measurements, the shortest possible spectral range for a precise measurement is advantageous. Due to technical reasons the beginning of a temperature range may be limited, to a higher starting temperature therefore a model must be selected with a slightly higher spectral range, e.g. longer wavelength.
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Narrow band
Temperature ranges from 550°C Spectral range 0.7 - 1.1 µm
Spectral
rangeλTemperature
rangesOptics Sightings Response
timeDistance ratio/
Smallest
spot sizeØModel 0.7 – 1.1 µm 550–1400°C
600–1600°C
650–1800°C
750–2500°C
900–3000°C
1000–3300°CF,Foc,MFoc,FFoc LA,VF,C < 1 ms 900:1 / 0.3 mm Metis M309
0.7 – 1.1 µm 550–1200°C
600–1400°C
650–1600°C
700–1800°C
750–2000°CFoc,FFoc LA,VF,C < 40 µs 370:1 / 0.35 mm Metis H309
0.7 – 1.1 µm 600–1500°C
700–1800°CF LA,VF,C 1 ms 250:1 / 1.6 mm Diadem DS09
0.7 – 1.1 µm 550–1400°C
650–1800°CFoc LA 5 ms 130:1 / 1.3 mm Sirius SS09
0.7 – 1.1 µm 550–1400°C
650–1800°CFoc LA 4 ms 130:1 / 1.3 mm Polaris PS09
F:Fixed optics,Foc:Integrated focusable optics,FFoc:Focusable fiber optics,
LA:Laser aiming,VF:View finderC:Camera2-color pyrometers(also called ratio pyrometers or two-channel pyrometers) measure as opposed to radiation pyrometers (also called 1-channel pyrometers) in two spectral ranges simultaneously and determine the temperature by calculating the radiation ratio (quotient). In this method it is not necessary to know the emissivity of the material. It is reduced out because the radiation ratio remains constant at a neutral attenuation of infrared radiation (by dust, smoke ...).
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from 300°C
Temperature ranges from 600°C Spectral range 0.75 - 1.1 µm
Spectral
rangeλTemperature
rangesOptics Sightings Response
timeDistance ratio/
Smallest
spot sizeØModel 0.75 – 1.1 µm 600–1400°C
650–1500°C
750–1800°C
900–2500°C
1000–3000°C
1100–3300°CFoc,MFoc,FFoc LA,VF,C < 1 ms 377:1 / 0.9 mm Metis M311
0.75 – 1.1 µm 600–1100°C
650–1300°C
750–1400°C
900–1800°C
1000–2000°C
1100–2200°C
1300–2500°CFoc,FFoc LA,VF,C < 80 µs 280:1 / 0.5 mm Metis H311
F:Fixed optics,Foc:Integrated focusable optics,FFoc:Focusable fiber optics,
LA:Laser aiming,VF:View finderC:CameraMetis H3
High-speed pyrometers of the Metis H3 series measure temperatures many times faster than standard devices. Thereby are all advantages of the digital data processing are available, such as high accuracy at high-speed output of the measurement results via analog and digital outputs.
2 device types are available:- H3radiation pyrometerswith an exposure time of < 20 µs for more than 50,000 measurements / s
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H32-color pyrometerswith an exposure time of < 40 µs for more than 25,000 measurements / s
These data are available, respectively with response times of 40 and 80 microseconds at the outputs, fast enough e.g. to perform a laser power control in near real-time and to respond to complex workpiece geometries.
Metis H3 with integrated PID controller instand-alone design:
The Optimal Solution for Controlling the Process Temperature in Laser Processes /Laser Applications.Metis high-speed pyrometers with an integrated, extremely fast controller are infrared thermometers that measure the temperature directly at the laser spot. Via the integrated high-speed controller this value is used to control the laser power in order to keep the required temperature level.
- Unique stand-alone concept in a compact design for temperature measurement and laser control. The pyrometers are operating and communicating autonomously via digital inputs and outputs as well as the manipulated output that gives the control loop for the laser power. The softwareSensorToolsis only necessary for the set up procedure or if the measurement and control process should be monitored visually or recorded for evaluation purposes.
- Fully autonomous operation or remote control commands via existing systems
- Easy integration into existing systems
- Easy integration of the optics into the laser system
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Built-in calibration function for simple temperature adjustment on site without removing the optics
Datasheet:
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H3 Highspeed radiation pyrometers Metis H309 / H316 / H318
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H3 Highspeed 2-color pyrometers Metis H311 / H322
Field of Application
- Radiation pyrometers are mainly used for laser plastic welding applications (laser radiation welding, contour welding, simultaneous welding, quasi-simultaneous welding).
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2-color pyrometers in shortwave spectral response of 1.45 - 1.8 μm are ideally suited for measurements on metals without influence by the laser. Especially for laser power control during the laser hardening process and measurements in laser cladding processes.
The recording of the measured values is achieved by coupling the optics into the beam path of the laser or externally via focusable optics.
ThePC softwareSensorToolsallows adjustment of the parameters necessary to operate and control the process. These values are written directly into the pyrometer and keep stored there to ensure a fast and error-free integration into the measurement process.
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Several parameter seups can be stored and addressed without software via an external control system.
A H3 pyrometer connected to the software via serial interface enables:
- Visual control of the current measurement and control procedure
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Recording and subsequent evaluation of the current measurement and control procedure
Benefits of the software:
- Start and stop of control process via external control system or software
- Output of status messages „ready“ and „controlling active“ via digital outputs and /or software
- External temperature setpoint setting via analog 0-10 V input.
- Selection of stored process parameters via external control system
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On-site calibration function: for one click recalibration of the pyrometer with a calibration source on-site (e.g. to correct measurement errors when measuring through windows or if optics are coupled into the laser).
Line Scanners
Temperature Scanner Galaxy SC11 /SC12
for Metis Pyrometers
Galaxy SC11 and Galaxy SC12 are line scanners used with pyrometers of the Metis series to measure temperatures in a line. The scanning amplitude is adjustable in a wide range between 3.6° and 90°, the scanning speed is adjustable in a wide range as well.
The SC12 features the possibility to define 4 separate zones each with an analog 0/4-20mA output. For every zone the current reading of the maximum, minimum and the average temperature can be recorded. - SC11: Operation via software or ASCII commands
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SC12: additional with four analog 0/4-20mA outputs and digital display, and pushbuttons to configure the system without computer.
Details
Scanning Mirror Adapter SC10
forMetis and Sirius Pyrometers
The gold plated mirror of the scanning accessory SC10 continuously deflects the optical path of the pyrometer across the surface of a target. In conjunction with the pyrometer’s peak picker and the extremely small spot sizes of the Metis, it is possible to detect the hot spots of small cracks between loose scale. only in this way will it be assured that, in an inductive or conductive heated automatic control process the work piece is not overheated or even melted. Another application SC10 is used successfully is rolling of thin wires in steel mills.
Pyrometer Models
Sensortherm pyrometers are available in many model types, since each application requires different device characteristics.
All Sensortherm pyrometers are fully digital with direct signal digitization, i.e. the measuring signal is digitized directly behind the detector without logarithmic amplifier and then linearized (Sensortherm development). No other analog circuits will be used, virtually eliminating errors that otherwise arise in analog circuits. Thus very high measurement speeds and signal outputs (response time) are reached with high accuracy, both on the digital interface and the analog output.
Get an overview with the following list.
SeriesMetis M3 in a unique full equipment
- Temperature ranges between 100°C and 3300°C
- All in one device, no other equipment required
- Available as2-colororsingle wavelength radiation pyrometers
- Very low measurementuncertaint
- Use in even higherambient temperaturesup to80°Cwith best ambient temperature compensation
- Fully digitalandvery fastwith response time < 1 ms. High-speed models from 40 µs
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Many opticsfor different application requirements:
-Focusable optics(manually adjusted or motorized focus)
- Focusablefiber optics(standard 25 mm outside diameter or miniature 12 mm)
-Fixed Focus optics(for radiation pyrometers) with a distance ratio up to 900:1 - 10-digit matrix displayfor temperature and IR sensor parameters
- Push button device configurationor via softwareSensorTools
- 2high resolution 16 bitanalog0/4 to 20mAoutputs
- 3 versatileconfigurable inputs or outputs
- Serial interfacesRS232 and RS485(switchable)
- 3 Sightingsselectable:view finder(provides upright imagery)with adjustable attenuation filter,Laser targeting light(laser 2) orcolor camera modulewith highly dynamic adjustment of the picture brightness.
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Optional equipment:
- Pyrometers with integrated PID controller measure the temperature and thus control a given temperature level
-Fieldbus systems: Profinet or Profibus. -
Includes new and extensivePC softwareSensorToolsfor graphical illustration of measured values, measured value recording or device configuration as well as continuously free software updates
Metis Series with Integrated Optics
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Modern Pyrometers in black anodized aluminum housing (approx. 56 x 56 x 240 mm with stable mounting rail for quick installation)
- Connections: power supply, analog current output, digital interface RS232 or RS485, baud rate up to 57.6 kBaud, high-speed models up to 921 kBaud
- Models with focusable or fixed optics (see corresponding datasheet)
- Optional selectable (see corresponding datasheet): integrated PID controller output, Profibus or integrated LED display
- Measuring modes: normal measurement, measurement with peak picker
- Sighting (depending on model, see corresponding datasheet): laser targeting, through lens sighting or color camera with high-speed models
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Measuring and evaluation softwareSensorWin, with software protocol trigger (software recording start from external contact)
Metis Series with fiber opticsand small optical heads
The technical structure corresponds to the Metis series with the following features:
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The optical heads can be used at ambient temperatures up to 250°C without additional cooling.
- Two optical designs are available for selection, with an outside diameter of 25 mm or in 12 mm miniature design for very limited installation space. Both optics are focusable.
- The electronics are protected outside a danger zone.
- Available as spectral or 2-color pyrometer.
- With laser aiming as sighting
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The fiber length can be delivered in length up to 30 m.
An optional vacuum feed through fitting within the fibre optic cable performs installation in a vacuum chamber or in compression chamber systems. These vacuum feed through fittings are made with a Swagelok screw joint which will be screwed into the wall of the chamber or as DN16CF flange.
Drawing:
Vacuum feedthroughVakuum feedthrough with DN16CF flange
MetisHigh-SpeedSeries
The digital high-speed temperature measurement with spectral- and 2-color pyrometers of the Metis series opens up new applications. Metis high-speed pyrometers combine an extremly fast response time with a complete digital signal processing.
- Maximum baud rate of 921 kBaud for recording intervals of 70 µs via software
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High-speed control pyrometers run autonomously without software with response times up to 40 µs
Metis and Metis M3 Pyrometers with built-inPID controller
The Metis pyrometers M3, MP, MB and all Metis high-speed models can be optionally equipped with a built-in PID controller. The advantage of this integral design is in the compactness and speed of the controller. The temperature signal internally provided by the microprocessor is converted immediately via a software controller into a control output signal. This results in no time and accuracy losses due to signal transformations. No additional hardware is required.
Via the default provided softwareSensorWinall parameters for control can be set. The control output is in the form of a 0/4-20 mA signal and is thus insensitive to electromagnetic interferences. There is an external trigger input available to start and stop the control process. After the controller has been configured via software, the pyrometer runs with these settings self-sufficient and can operate separately from the computer
Internal Profibus DP Interface for Metis Pyrometers
for direct interconnection of Metis pyrometers series with Profibus DP. Additionally the pyrometer's analog output signal is always available.
- Up to 12 Mbaud
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Support of all pyrometer parameters
Metis M3/H3 Heavy-Duty Measuring System
The HD measuring system in heavy stainless steel designis designed for continuous temperature measurement in rolling mills, continuous casting plants, casting machines andsimilarlyharsh industrialconditions.
The system is optimally adapted to the application conditions in the steel industry. The optics system is designed for up to 250°C, the purge air provides additional cooling and keeps the optics tube and thus the pyrometer field of vision free from contamination.
Application examplehot strip rolling mill:
In this application it is measured by the pyrometer from below of the strip, so that the measurement result is not affected by scale or water puddles on the strip. The evaluation unit is remote located for installation in the control cabinet. The measuring tube is kept free from contaminants with flush air.
SiriusSeries
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Compact pyrometers in stainless steel housing (Ø 40 x ca. 130mm) with thread and 2 mounting nuts
- Connections: Power supply, analog current output, digital interface RS232 or RS485, baud rate up to 57.6 kbaud
- Measuring modes: normal measurement, measurement with peak picker
- Laser aiming
- Measuring and evaluation softwareSensorWin, with software protocol trigger (software recording start from external contact)
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2 models with integrated fixed optics (with customer changeable lens position for adjusting the focus distance on 8 different ranges 150-650 mm) or 3 focusable optics for distances between 170 and 2000 mm.
PolarisSeries
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Infrared temperature switch (hot metal detector) in a compact stainless steel housing (Ø 40 x ca. 130mm) with thread and 2 mounting nuts
- Non-contact detection of hot parts and trigger a switching process.
- Degree precise switching, beginning from 250°C
- Two contacts, freely adjustable switching temperatures
- Indication of the switching state by LEDs on back of unit
- Laser aiming for easy alignment to the measuring object
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SoftwareCFG-Polaristo set parameters as setting time, emissivity, switching threshold and hysteresis, and the use of contacts as normally closed or normally open
System Solutions
Our system solutions are additional components to the pyrometer which expedient extend the application range.
If there are any further questions please do not hesitate to contact us
Digital Indicator IF0000
LED digital display for panel mounting.
For use with a digital Sensortherm pyrometer and display of: -
Measuring temperature, pyrometer parameters, active limit switches
Details
PID Program Controller RegulusRF and RD
Regulus RFandRDare the replacement models of the PID controller "Regulus". They are specially designed programmable PID controllers for use with a Sensortherm pyrometer and enable intelligent and very fast control processes. They are available in a compact panel mounting version or a desktop housing for use with two pyrometers and additional relays contacts.
- Regulus RF: PID program controller for panel mounting
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Regulus RD: PID program controller as bench top model
Details
Measurement Data and Maximum Value Storage AZ76
The AZ76 measures the temperatures of passing measuring objects with a pyrometer and determines their maximum temperature. These values the AZ76 compares with a predetermined temperature range and output a corresponding control signal (via 4 switching outputs for the states overheated, too warm, good or too low) if temperatures are in accordance or deviation. Each measured value with valuation result, date and time is stored in the device (max. 32000 records). Data can be read out via interface commands or via the external softwareSchmiedeWin.
DetailsTemperature Scanner Galaxy SC11 / SC12 / SC31 / SC32for Metis Pyrometers
The Galaxy line scanner is used for continuous scanning of measurement objects and always detects the temperature on a line. The scanner can be combined with various Metis series pyrometers and is therefore suitable for the measurement of many different materials, depending on the choice of pyrometer.
The scanner is equipped with a stepper motor for extremely long service life and continuous 24/7 operation. Angular position and the scanning speed can be adjusted. In addition, up to 4 individual scanning areas can be defined for separate analysis. The step speed is adjustable between 1 and 4000 steps per second. The scan angle is split into 1600 single high-resolution steps: Models SC11 / SC12 between 3.6 and 90°, and Models SC31 / SC32 from 0.6 to 15°. - SC11 / SC31: Operation via software or ASCII commands
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SC12 / SC32: Additional with four analog 0/4-20 mA outputs, digital display and pushbuttons to configure the system without computer.
Details
Scanning Mirror Adapter SC10
for Metis and Sirius PyrometersAn SC10 scanner is primarily used to detect the maximum temperature of objects, where at fixed aligned pyrometers the measuring object would move out of focus or cold parts of surfaces (e.g. scale) does not display the required measurement result.
Details
Heavy-Duty Measuring System
Pyrometer Measuring System in Heavy Stainless Steel Design
The heavy-duty measuring system is designed for continuous temperature measurement in:
- Hot strip rolling mills
- Continuous casting plants
- Casting machines / automatic casting units
- Pipe welding machines
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similarly harsh industrial conditions
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Several parameter seups can be stored and addressed without software via an external control system.
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Ratio pyrometers are available in seriesMetis M3andH3in various versions:
Short-wave measurements ofmetals, ceramics, composites, semiconductor, wafers, molten glass...
The material to be measured largely determines which spectral range of the pyrometer should be or has to be selected. For metal measurements, the shortest possible spectral range for a precise measurement is advantageous. As the short-wave spectral range begins at somewhat higher temperature, potentially a model with the slightly longer wave spectral range has to be selected.
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from 300°C
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