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Impac ISR 320 and IGAR 320 Pyrometer

Impac ISR 320 and IGAR 320 Digital Pyrometer

Robust Non-Contact Thermometry with Dual-Wavelength Technology (300 to 2500°C)

The Impac ISR 320 and IGAR 320 series employs advanced dual-wavelength (ratio) pyrometry to achieve reliable non-contact temperature measurements. This sophisticated technique significantly minimises the impact of surface emissivity variations, as well as interference from dust, fumes, or optical obstructions within the measurement path.

  • Internal digital signal processing for high accuracy
  • Built-in LED target light for easy alignment
  • Thermal intensity alignment
  • Integrated dirty-window warning

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Temperature Ranges

Impac ISR 320
700 to 1700°C (MB 17)
900 to 2500°C (MB 25)
(Spectral Range – Channel 1: 0.9 µm, Channel 2: 1.05 µm)

Impac IGAR 320
300 to 1300°C (MB 13)
(Spectral Range – Channel 1: 1.5 to 1.6 µm, Channel 2: 2.0 to 2.5 µm)

Typical Applications

  • Metal induction processes: Hardening, welding, forging, brazing, soldering
  • Metal processes: Noble metals melting and purifying, wire/rod mill water box measurement, laying head and air cooling conv., vacuum processes (e.g., coating, brazing, sintering, etc.)
  • Solar industry: Icon processing polycrystalline casting in vacuum melting furnace, silicon ingot growth in CVD reactors (Siemens process), crystal pulling of monocrystalline silicon (Czochralski process)
  • Glass industry: Gob temperature measurement
  • Cement industry: Clinker temperature measurement

Interface & Communication

Analog Output
Adjustable 0 to 20 mA or 4 to 20 mA, linear; switchable

Digital Interface
RS485 addressable (half-duplex) Baud rate: 1200 to 115.2 kBd

Datasheets

Impac IGAR 320 Datasheet
Impac ISR 320 Datasheet

Brochures

Pyrometers Overview Brochure

Application Notes

Hot Rolling/Rolling Mills Application Note

Manuals

Impac IGAR 320 Manual
Impac ISR 320 Manual

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What our customers say…

When rebuilding one of our clamshell furnaces we opted for four Impac ISR 6 pyrometers for precise temperature measurement. I am very impressed with the quality of every component from the cooling jackets to the sensors themselves, which seem exceptionally well made. I would not hesitate to contact LIMAB in the future for any other applications that I may need help/equipment for.

John Parkin – Senior Site Electrical and Control Engineer
When we needed to measure the temperature of an ion source within a high vacuum, we chose to use an Impac pyrometer from LIMAB. The advice given by the Technical Sales Manager meant that the equipment was easily integrated into our system and immediately provided us with very impressive results.
David Cox – University of Surrey