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AL390

Highly Accurate Non-Contact Pyrometer With Analogue Output and Digital Interface
         300°C to 1400°C

Accurate Sensors Technologies

Accurate Sensors Technologies

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.

Technical specifications 

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Highly Accurate due to digital linearization of the output

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Temperature range from 300°C....1400°C

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Spectral range 3.9 µm 

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Four wire form with Analog output 4...20mA or 0...20mA or 
0...10V

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Serial communication RS-232/RS-485

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Response time 60 ms

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Very good stability

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Laser Targeting for precision targeting

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User friendly Software

Features

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Measurement Through Flames & Combustion Without 
Influencing The  Measurement.

Applications

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Mechanical& Electrical Accessories

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Extra Cable lengths

Optional

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Pyrometer with Laser pilot light(PL) 

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Analog output 4...20mA, 0..20mA, 0..10V

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Digital USB 2.0 output, USB Cable

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Digital Interface RS-232 / RS-485

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5 mtr long connection cable with connector

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1.5 mtr. Communication Cable

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Calibration certificate, Software & Operation manual

Standard Scope of Supply

Model

AL390

Temperature Range
(Analog sub-range 
adjustable)
Spectral Range

Photodetector Type

Distance to Spot Size Ratio

Emissivity 

(ε)

Response Time

Accuracy

Repeatability
Sighting Option

Analog Output

Digital Output

Operating Temp. Range

Storage Temp. Range

Adjustable Parameters and 
Features via Software

300°C….1400°C

3.9 µm

Thermopile

50:1

0.1….1.2 adjustable

60 msec adjustable upto 10sec

T < 500°C ,± 1.5% of measured value

 500°C, ± 1%    of measured value

(The instrument must be at constant ambient 
temperature for minimum 25-30 mins in power on 
condition)

0.3% of  reading in °C +1°C

Laser Pilot Light (PL)

USB 2.0
RS-232/RS-485 (User selectable)
*At a time only one digital output possible

0°C…….70°C
0°C…..200°C (With water cooling jacket)
-20°C…70°C

Emissivity, Response Time, Clear Time(Peak Picker), 
Analog Output, Analog Scale (Sub Range) , Unit Of 
Temperature(°C/°F), Communication mode 
(Comm.mode), Record feature etc

0-20mA,4-20mA,0-10V (User selectable) 

Power Supply
Power Consumption
Laser Power
Protection Class
Housing

Isolation

Operating Humidity

Weight & Dimensions

24V DC
Max 2.5 watt
<1 m watt
IP65
Stainless Steel

Power supply,*Digital output and Analog output are 
galvanically islolated against each other 
* Not applicable for USB 2.0 digital output

10-95%, Non-Condensing Conditions

600g
Dia= Ø 49.5 mm; Length=118mm

We measure accurate 

 in extreme conditions

temperature

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