RS PRO 8861 Infrared Thermometer, Max Temperature +550°C, ±1 °C, Centigrade, Fahrenheit

  • RS Stock No. 193-8691
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

RS PRO RS-8861 Infrared Thermometer with Dual Laser Point

Introducing the RS PRO RS-8861 infrared (IR) thermometer. This RS PRO infrared temperature detector is a handheld device that can detect the environmental temperature by using a non-contact method of measurement. This instrument also measures surface temperature using an infrared sensor and includes dual laser pointers for better and more accurate targeting. This non-invasive and non-contact method of temperature measurement removes the issue of having to rely on using a physical contact on the item to get a reading from it, making it ideal for use in industrial environments like steelworks, oil and chemical production, environmental testing, gas production industries and much more. This dual laser temperature detector provides fast sampling with high accuracy, making it an incredibly useful and versatile tool across a range of applications.

Features and Benefits:

  • The RS PRO infrared temperature detector has an ergonomic grip for ultimate user comfort and to allow continuous use over extended periods of time

  • The built-in dual-laser targeting allows for better and more accurate targeting to ensure optimum measurement accuracy and precise non-contact temperature readings

  • This infrared thermometer has a temperature range of -50°C to +550°C with an accuracy of ±1 % of the reading at 20°C to 300°C (includes a user-selectable option for reading in Celsius or Fahrenheit)

  • The relative humidity range for this device is 0-90%RH and also features a digitally adjustable emissivity feature from 0.10 to 1.0

  • The LCD display with a backlight feature allows for easy to see results on the screen but also allows the instrument to be used in low-light environments

  • This IR unit has a distance to spot ratio of 12:1 and offers a high and low alarm setting that can trigger when readings are being taken

  • The selectable C° / F° display and automatic data hold feature allows for greater versatility across a range of applications

  • This IR thermometer features an auto power-off function to save the battery usage

  • The unit is powered by 9 V battery (supplied) and comes with a convenient carry case for safe storage of the IR unit


Infrared thermometers are instruments that measure the surface temperature of an object. They generally use a laser to point at the surface for the reading to be taken, whilst others include a temperature probe that measures the inside temperature of an object. Infrared thermometers are an essential device for individuals who need to measure the temperatures of something without physically touching the item. They can be found in the following areas:

  • HVAC

  • Industrial processes

  • Environmental testing

  • Scientific and Educational

How accurate are infrared thermometers?

Most IR laser thermometers have a measurement error specification, which shows their best accuracy. The surface being measured can also affect accuracy. Reflective objects result in lower measurements than the actual temperature, whilst non-reflective surfaces give a higher measurement. The emissivity of a surface is how effective it is at emitting energy as thermal radiation, as such some IR thermometers have adjustable emissivity settings.

Distance to spot ratio is also essential in providing accurate temperature measurements, if an infrared thermometer is too close to its target area, heat can build up in the device. This can give false readings or damage the temperature sensors; therefore, it is essential to always follow the manufacturers’ guidelines.

Can this unit be calibrated?

Yes, the unit can be calibrated to RSCAL standards and can be found here:

2020794 RSCAL


RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

Attribute Value
Absolute Maximum Temperature Measurement +550°C
Temperature Scale Centigrade, Fahrenheit
Absolute Minimum Temperature Measurement -50°C
Best Accuracy ±1 °C
Distance to Spot Ratio 12:1
Emissivity 0.1 → 1
Model Number p 8861
Resolution 0.1 °C
Data Storage No
Response Time 150 ms
431 In stock for delivery within 7 working day(s) (Global Stock)
Price (ex. GST) Each
$ 116.99
(exc. GST)
$ 128.69
(inc. GST)
Per unit
1 +
Related Products
Plastic Case Thermometer Designed to indicate surface temperature ...
Plastic Case Thermometer Designed to indicate surface temperature of pipework Applications include boiler pipework, radiators, process pipelines Held in place by a wrap around spring No need to drill pipe work Acrylic Window. 66mm diameter thermometers with Bi-metal movement. Designed ...
The Testo heating kit has containing three measuring ...
The Testo heating kit has containing three measuring instruments for carrying out your most important measuring tasks involving heating systems Its measurement menu for pressure drop test with alarm function or for non-contact IR temperature measurement with image documentation including ...
TL300/310 Thermometers LCD display digital thermometers for temperature ...
TL300/310 Thermometers LCD display digital thermometers for temperature measurementFeature an external temperature probe for taking measurements near the source.Quick snap-fit panel mounting.LR44-type battery powered. Battery supplied. Module has a temperature resolution of 0.1°C (0.1°F), an internal sensor ...
Fluke 1551A Ex/1552A Ex Intrinsically Safe "Stik" Thermometer ...
Fluke 1551A Ex/1552A Ex Intrinsically Safe "Stik" Thermometer The Fluke ATEX thermometer is an intrinsically safe, battery operated thermometer, with a range from -50°C to +160°C Housed in a rugged stainless steel sheath, you no longer have to worry about ...