RICHMETERS 550PRO Digital infrared Thermometer laser Temperature Gun

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550pro have both temperature test and humidity test function, 

550 only have temperature test function

Model No.: RICHMETERS 550/550PRO

Measuring Steps:

Point, scan, and read results


  • °C/°F Celsius and Fahrenheit unit conversion
  • Laser ON/OFF Switch
  • Max Value
  • High/Low Value Alarm (can be setable)
  • Offet: Calibrate Temperature
  • Low battery indicator
  • 30-second inactivity shutdown feature Auto power off

Main Technical Indexes

  • environment temperature range : 0°C ~ 40°C, storage temperature range: -10°C ~ 60°C
  • relative humidity: no more than 90%
  • Power supply: 3V (1.5V * 2PCS AAA batteries
  • LED Accuracy: 0.1°C/°F
  • Measurement range: -50 to 550 °C / -58 to 1022 °F
  • Humidity Range:0-100% (only RICHMETERS 550PRO)
  • Accuracy: -50° to 0° C at ±3° variation; 0 to 100° C at ± 1.5° variation; 
  • Repeatability: 1° C or 1% of reading
  • Resolution: 0.1° C or 0.1° F
  • Response time: <0.5sec at a 95% response time
  • Emissivity: 0.1 to 1.0 (adjustable)
  • Distance to spot ratio: 12:1
  • Spectral response: 8 to 14 μm
  • Laser<1mW/630-670nM Level 2

Packet content:

  • 1 x Non-Contact Infrared Thermometer
  • 1 x English Manual


You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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RICHMETERS 550PRO Digital infrared Thermometer laser Temperature Gun
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