IMPAC Pyrometer
IGA 15 plus

Affordable, high temperature short wavelength pyrometer for non-contact temperature measurement of metals between 250 and 1800 °C.

Portable Infrared Thermometer IMPAC IGA 15 Plus View
Portable Infrared Thermometer IMPAC IGA 15 Plus View
Portable Infrared Thermometer IMPAC IGA 15 Plus Display View

Key Features

  • Easy to handle
  • Large illuminated LC display
  • Laser aiming
  • Built-in data logger
  • Long temperature range
  • High accuracy
  • Fast temperature detection, only 20 ms
  • Measurement of smallest objects from 1.25 mm
  • Integrated additional functions
  • USB interface
  • Analyzing software PortaWin (option)


The IGA 15 plus is a robust, digital and accurate pyrometer with built-in data logger (750 values) for non-contact temperature measurement on metals, ceramics, graphite etc. with a temperature range of 250 ... 1800 °C. The instrument is equipped with a laser targeting light, The size of the laser spot has approximately the size of the measuring spot.

The instrument has a maximum value storage, minimum value storage, average and difference function as well as an acoustic alarm. The high quality optics enables the measurement of small objects from 4 mm, in combination with the close-up lens even from 1.25 mm.

With the short exposure time of only 20 ms even fast moving objects can be measured exactly.

Typical Applications:

  • preheating, tempering, hardening, normalizing 
  • forging, brazing 
  • sintering 
  • welding, rolling 
  • founding


Temperature range: 250 - 1800°C
Spectral range: 1.45 - 1.8 µm
Detector: InGaAs detector
Accuracy: 0.6% of measuring value (Tamb. = 23°C, ε = 100%)
Repeatability: 0.2% of measuring value
Temperature coefficient: 0.01% of measuring value in °C per °C deviation of ambient temperature of 23°C
Exposure time t90: 20 ms (with dynamical adaptation at low signal levels)
Emissivity ε:  10 - 100%, adjustable in 1% steps
Temperature display: 3 values / s
Temperature resolution: On the display: 0.1°C (°F) from 250 to 999.9°C (482...999.9°F), 1°C from 1000 to 1800°C (1000...3272°F) via interface: 0.1°C or 0.1°F 
Display illumination: automatically adjusting to ambient light conditions
Measuring unit: °C / °F, switchable
Measuring functions: Display of maximum or minimum or average or difference value (MAX, MIN, AVG, DIF)
Alarm function: Adjustable acoustic alarm (HI)
Data logger: 750 values; readable at pyrometer: temp. value with storage number; readable via interface: value with storage number, time, date, emissivity, unit, max. and min value of the measurement series
Storage function: Manual data logging via push button or automatic logging in adjustable time intervals [s]: 0.02; 0.04; 0.1; 0.2; 0.5; 1; 2; 5; 10; 20; 50
Serial interface: USB 2.0
Power supply: 9 V battery (IEC 6LR61) or 9 V-NiMH rechargeable battery (e.g. Varta type 5622)
Battery operation time: 50 hours with 9 V battery (without laser and display illumination) 15 hours with 9 V rechargeable battery (without laser and display illumination)
Charging connector: For IMPAC battery charging unit 3 858 490
Laser targeting light Laser class 2, max. laser power level < 1 mW, λ = 650 nm
Operating temperature: 0 - 60 °C
Storage temperature: -20 - 70 °C
Rel. humidity: Non condensing conditions
Housing: ABS
Weight: 340 g
Fixing thread: Photo tripod thread 1/4" - 20 UNC
Protection class: IP20
CE-label: According to EU directives about electromagnetic immunity


IMPAC Pyrometer IGA 15 plus
Standard Optics a=0...∞ mm
With close-up lens a=0...∞ mm

Display of optical path:

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