Highly Accurate Non-Contact Pyrometer With Analogue Output and Digital Interface

300°C to 1400°C

600°C to 2000°C

  • Spectral range 3.9 μm
  • Emissivity: 0.1….1.2 adjustable
  • Laser Pilot Light Sighting Option
  • Response time 60 ms
In stock

Part Code: AL-390



AL390 IR Pyrometer model provides the advantage of noncontact temperature measurement of metallic surfaces and in flame heated furnaces i.e through flames and flue gas. At a wavelength of 3.9um hot furnaces gases and clean burning gas flames are quite transparent and therefore permit temperatures of substances to be measured as well during heating up process in industrial furnaces with the use of infrared Pyrometer AL390.This format combines the high accuracy of digital signal processing with the simple connection. AL390 IR Pyrometer is used for target temperature ranging from 300°C to 1400°C. The electronic assembly is protected by IP65 rugged stainless steel housing. AL390 IR Pyrometer is provided with USB 2.0 for parameter setting & Data Logging.


Measurement Through Flames & Combustion Without Influencing The Measurement


Temperature Range 300°C….1400°C
Spectral Range 3.9 µm
Photodetector Type Thermopile
Distance to spot size ratio 50:1
Emissivity (e) 0.1….1.2 adjustable
Response Time 60 msec adjustable up to 10 sec
Accuracy T < 500°C ,± 1.5% of measured value
T ≥ 500°C, ± 1% of the measured value
(The instrument must be at constant ambient
temperature for minimum 25-30 mins in power on
Repeatability 0.3% of reading in °C + 1°C
Sighting Options
Laser Pilot Light (PL)
Analog Output 0-20mA, 4-20mA, 0-10V (User selectable)
Digital Output USB 2.0
RS-232/RS-485 (User selectable)
*At a time only one digital output possible
Operating Temperature 0°C…….70°C
0°C…..200°C (With water cooling jacket)
Power Requirement 24V DC
Weight & Dimensions 600g
Dia= Ø 49.5 mm; Length=118mm

Key Features

  • Highly Accurate due to digital linearization of the output
  • Temperature range from 300°C....1400°C
  • Spectral range 3.9 μm
  • Four wire form with Analog output 4...20mA or 0...20mA or 0...10V
  • Serial communication RS-232/RS-485
  • Response time 60 ms
  • Very good stability
  • Laser Targeting for precision targeting
  • User friendly Software


  • Pyrometer with Laser pilot light(PL)
  • Analog output 4...20mA, 0..20mA, 0..10V
  • Digital USB 2.0 output, USB Cable
  • Digital Interface RS-232 / RS-485
  • 5 mtr long connection cable with connector
  • Calibration certificate, Software & Operation manual




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