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Digital Infrared Thermometer Non Contact Laser IR Temperature LCD Display Gun Pyrometer Tester Aquarium Temperature Instruments


Russian Federation
Russian Federation
Estimated Delivery: 30-50 Days 2020/12/13 - 2020/12/28
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  • Brand Name: SMART SENSOR
  • Theory: Infrared Thermometer
  • Model Number: ST390 /ST490
  • Max Measuring Temperature: 120°C & Above
  • Display Type: Digital
  • Usage: Industrial
  • Power Type: AAA Battery
  • Style: Handheld
  • Display Size: 1.9 Inches & Under
  • Temperature Range: -50° – 390/490°C (-58°-734/914°F) for choice
  • Accuracy: ±2% or 2°C
  • Distance to Spot Ratio: 12:1
  • Emissivity: 0.10~1.00 adjustable
  • Spectral response: (8-14)um
  • Repeatability: 1% of reading or 0.1°C
  • Response time: 500 mSec, 95% response
  • Power Supply: 2*1.5V AAA Battery(Not Included)
  • Ambient operating range: 0°-40°C(32° -104°F)
  • Weight/Dimensions: 170g ;175*100*49mm
  • Non Contact Infrared Thermometer: Temperature Tester
  • Laser Temperature Gun: IR Pyrometer
  • Laser Infrared Thermometer: Temperature Detector

SMART SENSOR Digital Infrared Thermometer -50°C to 390/490°C (-58°F to 734/914°F ) 





Important Note: this product is not suitable for measuring temperature of body surface,Forehead,Baby !

1.Digital color LCD display with backlight, convenient to read at night.
2.Safely measure surface temperature of hot, hazardous or hard-to-reach objects without contact.
3.Wide Measuring Range, high performance and high accuracy.
4.Includes data locking, switchable laser positioning & auto power off function.
5.Switchable temperature units: Celsius(°C) and Fahrenheit(°F).
6.Low battery indication and laser indication functions.
7.Widely used for measuring the temperature of the object's surface.
8. 0.10~1.00 adjustable Emissivity
9. The product is used  to measure the surface  temperature of: Hot water pipes, Hot engine parts, cooking  surfaces, hot tubes & Insulation, Electrical connection,  ballasts in electric lights…… etc..



 Product Specification
 Temperature range                                          -50 °C -390/490 °C  (-58-734/914 °F )
 Accuracy(In the condition  of 23°C±2°C)  -50°C (-58°F) to 0°C (32°F)
 ±2°C 0°C(32°F) to 100°C (212°F)  
 ±1.5°C 100°C here in before 
 ±2°C or ±2% whichever is greater
 Repeatability  1% of reading or 0.1°C
 Response time    500 mSec, 95% response
 Spectral response    8-14 um
 Emissivity     0.10 to 1.00 adjustable (pre-set 0.95)
 Ambient operating range       0 to 40°C (32°F to 104°F)
 Relative humidity      10-95% RH noncondensing,
 Storage temperature       -20 to 60°C (-4°Fto 140°F)
 Weight  170g without battery
 Dimensions   175*100*49mm
 Distance to Spot Size        12:1
 Power Supply  3*1.5V AAA battery (not include)
 Package Contents  1pc ST390+/ST490+ Thermometer                 
 1pc user's manual English
 1p Gift box 


ST390+ ( -50°C  to 390°C)




ST490+( -50°C  to 490°C)






1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.
2) Payment must be made within 3 days of order.
3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days




1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.




1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4.  We will bear all the shipping cost if the product(s) is (are) not as advertised.


1. 24 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
You agree to all of the above-listed policies upon ordering on aliexpress!



We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!




Ships From

China, Russian Federation


ST390A, ST490A

SKU: 4000349243751 Category: Tag:
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