Fixed optical pyrometers
Calex Pyrocouple Series
Small and robust optical pyrometers with infrared sensors for non-contact temperature measurement in non-ferrous materials.
- Temperature range from -20 °C to 500 °C
- Fixed emissivity: 0.95
- Departures with possible options; 4-20 mA, Thermocouple type K, J or T, or 0-50 mV
- Optical pyrodes with great response and high reliability
- Housing made of stainless steel AISI 316
- IP65 housing
- Ideal for measurements on non-ferrous materials
- Special for sectors such as food, ceramic, plastic
AST TL8
TL-8 is a rugged and compact IR Pyrometer of class Tseries series especially designed for low temperature application needs, ranging from 0°C...500°C. Model is perfectly suited for demanding industrial environment because of the compact size, small housing dimensions, and low maintenance.
- Temperature Range 0°C – 500°C
- Spot size 15:1
- Spectral Range 8 µm – 14 µm
- Response time 100msec. to 10sec.
- TTL output and service software
- Alarm output
- Analog Output 0 – 5V, 4 – 20mA, 0 – 20mA
- Operating temperature range 0 to 70°C
AST EL50
The AST EL50 is digital pyrometer with extended optical head in 4 wire technology for non-contact temperature measurement between 0°C and 800°C. The pyrometer is equipped with an inbuilt 4 digit LCD display which helps you configure multiple input and output and digital display to visualize the temperature.
- Temperature Range 0°C – 800°C
- Spectral Range 8 µm – 14 µm
- Sensor head withstands ambient temperature upto 120°C
- Inbuilt LCD display and keypad for parameterisation
- Analog output 4-20mA, 0-20mA, 0-10V
- USB 2.0 Digital Output
- RS-232/RS-485 Serial interface card
- Relay output
- Operating temperature range electronic box 0 to 70°C
Pyrospot Series 4
Small and robust head with separate electronics. The head of this optical pyrometer allows it to withstand ambient temperatures of up to 180 °C without cooling. Large display with keypad to make the necessary adjustments of the fixed pyrometer. Great cost and performance ratio for integration in industrial machinery.
The typical sectors where these fixed optical pyrometers can be installed can be in the metal, glass or paper industries.
It is the ideal equipment for machinery manufacturers.
- Small and robust sensor with separate electronic box
- Large display, ease of reading the temperature and keys for the configuration of the pyrometer
- Great value for money for machinery manufacturers
- Temperature ranges between -40 °C and 2500 °C
- All parameters such as emissivity can be adjusted directly on the device.
- Display with bright and easy-to-read numbers.
- Possibility of integration in systems with RS-485 connection (Modbus)
| Model | Spectral range |
Temperature range |
Optics |
| DS 4N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | Fixed |
| DG 4N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | Fixed |
| DT 4G | near 5 µm | 200 °C to 1800 °C | Fixed |
| DT 4L | 8 µm to 14 µm | -40 °C to 1000 °C | Fijxed |
Available accessories:
Windows® software PYROSOFT Spot and PYROSOFT Spot Pro
Pyrospot Series 3x. Glass intended.
PYROSPOT digital pyrometers series 30/34 with fiber optic cable are developed for continuous work in the glass industry. They offer the possibility of carrying out the non-contact temperature measurement in foreheart and the feeder for glass container manufacturing ovens. These fixed pyrometers are available different customized solutions for the application including hardware and software adjustments.
- Highly robust and resistant to high temperatures
- Adjusted spectral range for the glass industry
- Fiber optic cable with fixed optics
- Air purge unit with quick connection
- 2 or 4 wire technology
- Temperature range between 600 °C and 1800 °C
- Model Spectral range Temperature range Interface
| Model | Spectral range |
Temperature range |
Interface |
| DSF 30NG | 0.8 µm to 1.1 µm | 600 °C to 1800 °C | USB |
| DSF 34NG | 0.8 µm to 1.1 µm | 600 °C to 1800 °C | RS-485 (Modbus) |
Available accessories:
- Manual programming equipment DHP 1040
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
- Examples for mechanical accessories and combinations
Pyrospot Series 4x
- Amplia gama de pirómetros robustos y compactos para uso industrial
- Posibilidad de modelos con cabezal de fibra óptica (pirómetros ópticos)
- Puntero Led o laser integrado
- Rangos de temperaturas desde -40 hasta 2500 ºC
Series 40
With our Pyrospot 40 series we can offer fixed two-wire pyrometers for non-contact temperature measurements in industrial applications. These temperature sensors are mounted inside a steel housing or in fiber optic systems that allow them to work in aggressive work environments.
The response time of the PYROSPOT series is 10 ms.
- Available in models with optical fiber (optical pyrometers)
- Measuring range from -40 to 2500 ºC
- Outputs 4 to 20 mA
- Pyrosoft Spot software for configuration and evaluation
- Response times of 10 ms
- Different optics from 0.7 mm
- USB interface for parameterization and evaluation of data
- Steel housing with plug connector, IP65 protection
- LED or LASER pointer. (DT and DS series), green LED pointer (DT series)
| Model | Spectral range |
Temperature range |
Optics |
| DT 40L | 8 µm to 14 µm | –40 °C to 1000 °C | Fixed |
| DT 40G | near 5 µm | 100 °C to 2500 °C | Fixed |
| DT 40F | near 3.9 µm | 300 °C to 2500 °C | Fixed |
| DT 40N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | Fixed |
| DGF 40N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | OF cable |
| DS 40N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | Fixed |
| DSF 40N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | OF cable |
| DT 40U | around 7.7 µm | 300 °C to 1100 °C | Fixed |
Available accessories:
- Manual programming equipment DHP 1040
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro Software
- Examples for mechanical accessories and combinations
Series 42
The digital pyrometers of the series 42 are manufactured in Germany and designed for continuous use. They are available in different temperature ranges and spectra.
There is a wide range of accessories for these fixed pyrometers, which allow their integration in a simple way in many applications.
- Digital pyrometers with fixed parameters and adjustable emissivity
- Compact housing for easy installation.
- Great value for money
- Temperature ranges between -40 °C and 2500 °C
- Laser pointer or integrated LED or optional.
| Model | Spectral range |
Temperature range |
Optics |
| DT 42L | 8 µm to 14 µm | -40°C to 1000 °C | Fixed |
| DT 42G | near 5 µm | 100 °C to 2500 °C | Fixed |
| DS 42N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | Fixed |
| DG 42N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | Fixed |
Available accessories:
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Examples for mechanical accessories and combinations
Series 44
Our series of Pyrospot 44 fixed pyrometers is specially designed for continuous work. The connection with RS485 interface makes these optical pyrometers the perfect tool for system integration. Different types of spectral range and temperature are available, including the possibility of making adjustments through the software at any time.
- Available in fiber optic models
- Measuring range from -30 to 2500 ºC
- Outputs 4 to 20 mA and galvanically isolated RS485
- Pyrosoft Spot software for configuration and evaluation
| Model | Spectral range |
Temperature range | Optics |
| DA 44G | around 5 µm | 50°C to 2500 °C | Fixed |
| DA 44F | around 3.9 µm | 100°C to 2500 °C | Fixed |
| DT 44L | 8 µm to 14 µm | -40°C to 1000 °C | Fixed |
| DT 44G | near 5 µm | 100 °C to 2500 °C | Fixed |
| DT 44F | near 3.9 µm | 300 °C to 2500 °C | Fixed |
| DGE 44N | 2.0 µm to 2.6 µm | 75°C to 1200 °C | Fixed or vario optics |
| DG 44N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | Fixed or vario optics |
| DGF 44N | 1.5 µm to 1.8 µm | 250 °C to 1800 °C | Vario optics |
| DS 44N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | Fixed or vario optics |
| DSF 44N | 0.8 µm to 1.1 µm | 600 °C to 2500 °C | Vario optics |
| DSRF 44N (ratio pyrometer) | 0.7 µm to 1.1 µm | 700 °C to 1800 °C | OF cable |
Available accessories):
- Manual programming equipment DHP 1040
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
- Examples for mechanical accessories and combinations
Pyrospot Series 5x
The fixed pyrometers of the 5x series offer a great response time and great accuracy in their reading and with a great value for money
- Two-color optical pyrometers
- Possibility of integrated video camera or laser pointer
- Robust and compact housing
Series 54
The PYROSPOT 54 series digital pyrometers are developed and manufactured to work in continuous operation in the iron and steel, glass, ceramics and cement industries. Different temperature and spectral ranges are available. These fixed pyrometers can be adjusted for each type of need thanks to the accompanying software.
- Temperature measurement between -40 °C and 3000 °C
- Quick responses from 2 ms
- Laser pointer or integrated color video camera
- Small reading diameters from 1.3 mm
- Pyrometers of ratio for low emissivity and measurements in combustion chambers
- Compact and rugged IP65 stainless steel housing
- 0/4 to 20 mA interface
- Galvanically isolated RS-485 interface (Modbus RTU) for system integration
- Output relay isolated
| Model | Spectral range |
Temperature range |
Optics |
| DT 54U | around 7.7 µm | 300 °C to 1200 °C | Double Laser |
| DS 54N | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | LaserDT |
| DS 54NV | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | Video |
| DG 54N | 0.8 µm to 1.1 µm | 200°C to 2500 °C | Laser |
| DG 54NV | 1.5 µm to 1.8 µm | 200°C to 2500 °C | Video |
| DT 54G | near 5 µm | 100 °C to 2500 °C | Dual laser |
| DT 54L | 8 µm to 14 µm | –40 °C to 1000 °C | Dual laser |
Ratio pyrometers for combustion chambers
| Model | Spectral range |
Temperature range | Optics |
| DSR 54N | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Laser |
| DSR 54NV | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Video |
| DSR 54NF | 0.7 µm to 1.1 µm | 700 °C to 2500 °C | Laser |
| DSR 54NFV | 0.7 µm to 1.1 µm | 700 °C to 2500 °C | Video |
Available accessories:
- Manual programming equipment DHP 1040
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
- Examples for mechanical accessories and combinations
Series 55
The PYROSPOT 55 series digital pyrometers are developed and manufactured to work in continuous operation in the steel and metal industry, in furnace facilities in soldering and welding equipments aswell as in the ceramic industry. These fixed pyrometers can be adjusted by the software that accompany them.
- Measuring temperature range from 75 °C to 3000 °C
- Fast response time from 2 ms
- Vario optics with motor focus (adjustable in eight steps, no external moving parts)
- Display and parametrizing buttons on the back of the device
- Laser aiming light, integrated video camera or optical through-lens sighting
- Ratio pyrometers for nearly emissivity-independant measurement
- Compact, robust stainless steel housing IP65 with display and parameterizing buttons
- 0/4 to 20 mA interface
- Galvanically isolated RS-485 interface (Modbus RTU) for integration in existing measurement systems, comfortable data evaluation and parameterizing
- Maximum/Minimum value storage
- Galvanically isolated switching output
| Model | Spectral range |
Temperature range | Optics |
| DS 55N | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | Laser or trough lens sighting |
| DS 55NV | 0.8 µm to 1.1 µm | 500 °C to 3000 °C | Video output |
| DG 55N | 1.5 µm to 1.8 µm | 200 °C to 2500 °C | Laser or trough lens sighting |
| DG 55NV | 1.5 µm to 1.8 µm | 200 °C to 2500 °C | Video output |
| DGE 55N | 2 µm to 2.6 µm | 75 °C to 2200 °C | Laser or trough lens sighting |
Ratio pyrometers
| Model | Spectral range | Temperature range | Optics |
| DSR 55N | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Laser or trough lens sighting |
| DSR 55NV | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Video output |
Available accessories:
- Handheld programming device DHP 1040
- Ethernet Interface Box DCUIoP
- Connection set for DIAS PYROSPOT pyrometers
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® software PYROSOFT Spot and PYROSOFT Spot Pro
- Examples for mechanical accessories and combinations
Series 56
The PYROSPOT 54 series digital pyrometers are developed and manufactured to work in continuous operation in different industries such as iron and steel, glass and ceramics or cement. Different temperature and spectral ranges are available. Fixed pyrometers are adjustable for each type of need thanks to the display and the buttons on the back of the pyrometer
- Measuring ranges from -40 °C to 3000 °C
- Response times of 2 ms
- Small measuring spots from 1.3 mm
- Display and parameter buttons on the back of the pyrometer
- Possible selection between laser pointer, integrated video, vision through the pyrometer or electronic vision search
- Pyrometers of ratio for low emissivities
- Robust and compact housing IP65
- 0/4 to 20 mA interface
- Galvanically isolated RS485 output RS-485 interface (Modbus RTU) for system integration
- Galvanically isolated relay output
| Model | Spectral range |
Temperature range |
Optics |
| DS 56N | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | Laser or via pyrometer |
| DS 54NV | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | Video |
| DG 56N | 1.5 µm to 1.8 µm | 200°C to 2500 °C | Laser or via pyrometer |
| DG 56NV | 1.5 µm to 1.8 µm | 200°C to 2500 °C | Video |
| DT 56G | near 5 µm | 100 °C to 2500 °C | Dual laser |
| DT 56L | 8 µm to 14 µm | –40 °C to 1000 °C | Dual laser |
| DSR 56N (ratio pyrometer) | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Laser or via pyrometer |
| DSR 56NV (ratio pyrometer) | 0.7 µm to 1.1 µm | 500 °C to 3000 °C | Video |
Available accessories:
- Manual programming equipment DHP 1040
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
- Examples for mechanical accessories and combinations
Pyrospot Series 1x
Fixed pyrometers of the 1x series offer high precision for industry and research
- Two-color optical pyrometers
- Special measurement for small reading diameters
- High precision sensor
- Laser pointer, vision through pyrometer or integrated video camera
- Possibility of fiber optics with separate electronics
Series 10
The optical pyrometers of the 10 series with sensors for non-contact temperature measurement. There are different models available that allow to select different ranges of temperature and spectral ranges. The accompanying software and accessories make it possible to adjust to different types of applications.
- High precision pyrometers for research and industry
- High quality lenses allow the measurement in spots of very small size
- Laser, vision through pyrometer or integrated video camera.
- Low response times from 1.5 ms
- Various optics with measurement spots from 0.7 mm
- Buttons and display for temperature settings and response time directly from the pyrometer
- RS-485 interface (Modbus)
- Compact housing IP 65 (54 mm × 54 mm × 170 mm)
| Model | Spectral range |
Temperature range |
Optics |
| DA 10G/10GV | around 5.0 µm | 75 °C to 2500 °C | Vario optics |
| DPE 10M | 3.0 µm to 5.0 µm | 20 °C to 1000 °C | Vario optics |
| DPE 10MF | near 3.9 µm | 50 °C to 2500 °C | Vario optics |
| DP 10N | 2.0 µm to 2.8 µm | 50 °C to 1200 °C | Vario optics |
| DGE 10N/DGE 10NV | 2.0 µm to 2.6 µm | 100 °C to 1200 °C | Vario optics |
| DG 10N/DG 1ONV | 1.5 µm to 1.8 µm | 200 °C to 2500 °C | Vario optics |
| DS 10N/DS 10NV | 0.8 µm to 1.1 µm | 550 °C to 3000 °C | Vario optics |
| DY 10L/10LV | 8 µm to 14 µm | 0 °C to 1000 °C | Vario optics |
| DY 10U/10UV | around 7.7 µm | 250 °C to 1300 °C | Vario optics |
| DY 10G/10GV | around 5 µm | 100 °C to 1000 °C | Vario optics |
Ratio pyrometers for incinerators
| Model | Spectral range |
Temperature range |
Optics |
| DSR 10N/DSR 10NV | 0.7 µm to 1.1 µm | 600 °C to 3000 °C | Vario optics |
| DSR 10NF | 0.7 µm to 1.1 µm | 600 °C to 2500 °C | Vario optics |
Available accessories:
- Manual programming equipment DHP 1040
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
- Examples for mechanical accessories and combinations
Series 11
Los pirómetros digitales de la serie 11 están desarrollados para operación en continuo. Están especialmente diseñados para la industria del metal, hornos rotatorios, vidrio e industria de la cerámica. Existen diferentes rangos de temperatura y rangos espectrales. El software de acompañamiento de estos pirómetros fijos y los botones de ajuste en el display, así como los accesorios, hacen que se puedan ajustar a diferentes tipos de aplicaciones.
- Pirómetros ópticos (de fibra óptica) totalmente digitales
- Gran display, con fácil lectura y teclas programables
- Interfaz RS-485 (Modbus) y contacto relé integrado
- Rangos de temperatura entre 150 °C y 3000 °C
- Cable de fibra óptica y cabezal óptico para temperaturas ambientes de hasta 250 °C
- Carcasa compacta de aluminio, protección IP65
| Model | Spectral range |
Temperature range |
Optics |
| DGEF 11N | 1.5 µm to 2.2 µm | 100 °C to 800 °C | Vario or fixed optics |
| DGF 11N | 1.5 µm to 1.8 µm | 250 °C to 2500 °C | Vario optics |
| DGRF 11N | 1.5 µm to 1.9 µm | 300 °C to 2300 °C | Vario or fixed optics |
| DSF 11N | 0.8 µm to 1.1 µm | 600 °C to 3000 °C | Vario optics |
| DSRF 11N (ratio pyrometer) | 0.7 µm to 1.1 µm | 700 °C to 3000 °C | Vario optics |
Accvailable accessories:
- Display and control unit DCU 400
- Display and control unit DCU 200
- Digital display DD 200/DD 210
- Windows® PYROSOFT Spot y PYROSOFT Spot Pro software
Pyroswitch Series 48
Pyroswitch infrared pyrometers allow non-contact temperature detection. By adjusting the rear of these infrared pyrometers you can adjust the trigger limit and act as a relay that offers signal when exceeding or lowering the programmed temperature. It is used to detect objects at a certain temperature or counting objects.
- Fast signal time of 1 ms
- Temperature ranges between 200 °C and 1800 °C
- Spectral ranges from 1.5 μm to 1.8 μm
- Fixed optics with measuring diameters from 1.5 mm
- Adjustment of the breakpoint directly from the pyrometer
- Potential free output (PhotoMOS relay)
- Rugged stainless steel housing with plug connector. Diameter 40 mm, IP65 protection
- Integrated LED pointer
| Model | Spectral range |
Temperature range | Optics |
| DG 48N | 1.5 µm to 1.8 µm | 200 °C to 1000 °C | Fixed |
| DG 48N | 1.5 µm to 1.8 µm | 250 °C to 1300 °C | Fixed |
| DG 48N | 1.5 µm to 1.8 µm | 350 °C to 1800 °C | Fixed |
Available accessories:
- Examples for mechanical accessories and combinations examples