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Infrared Thermometer with Dual-Laser Targeting

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Quoting product code: N85FR

£59.99

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About this product

Overview

  • Dual laser sighting system that merges into a single laser point when the unit is at the optimal distance from the object being measured
  • Easy to use - pull the trigger and shoot
  • Wide temperature range from -50°C to +550°C (-58°F - +1022°F)

Product overview

• Dual laser sighting system that merges into a single laser point when the unit is at the optimal distance from the object being measured
• Easy to use - pull the trigger and shoot
• Wide temperature range from -50°C to +550°C (-58°F - +1022°F)
• Distance to spot size ratio is 12:1
• Impact-resistant double moulded ABS case
• Response time less than 150 milliseconds
• Large back lit LCD screen with function released
• Auto power off / over range indication
• Comes with carry case
• Includes 1 x 9V PP3 battery (Order Code: L46AL)

Rated 4 out of 5 by from Responds quickly to changes in temperature and is useful both close up for very accurate readings or across a distance for ambient temp readings. One thing that should be mentioned (not a negative just not mentioned anywhere in the bumph or description) is that this will only read the surface temperature of the item being scanned, it wont give any indication of core temp i.e. for food service. Other than that a very handy piece of kit for rapid and accurate temperature reading!
Date published: 2013-06-13
Rated 4 out of 5 by from Responds very fast as you point it at different objects. Warm patches on the carpet show where you have been sitting. Should be great in winter to show where most heat is escaping from your house. So far, excellent. It is also worth mentioning that this device quickly shows the large variations in temp within your fridge. Knowing the cooler and warmer areas is useful.
Date published: 2009-09-17
Rated 2 out of 5 by from Bought this in 2011 and found it read 2 degrees high when compared to 2 calibrated sources at 25 C. 24 months later it reads 4.5 high. So not suitable for use as a standalone reference. Also there is no access to calibrate it. So disappointed at this price point. That said, it consistently reads high, so ok if you only read around mid 20’s and do the maths. Wonder how far out it would be at 250 C?
Date published: 2013-11-11
Rated 1 out of 5 by from UTTER JUNK and NOT worth the money Had this a couple of years and used it a few dozen times and when i came to use it for the first time in about 6 months recently it was reading minus (-) and giving extreme false readings and at one point was displaying minus 155 degrees !!!! , how the it can display that when its maximum is minus 50 is beyond me. something that was about 30 degrees , this was showing 3.9 degrees thats not right. Disconnected battery for 1 minute and it made no difference , changed the battery and again no difference. Took it to the shop and the staff confirmed it was indeed faulty , but as its out of warranty can not help. for nearly Ј60 i paid at the time i expect it to last longer than that. No reset or callibration button nothing. I do not even rate this at 1 star , more like minus 8 star. Do not buy , i would just pay for a much cheaper one elsewhere avoid , dissapointed.
Date published: 2014-08-28
Rated 5 out of 5 by from N85FR infrared themometer I have recently purchased one of these and I am very satisfied with it. I checked the accuracy using a pan of boiling water, and the reading was 102.5°C, which is very good considering emissivity uncertainties (see below). I checked the linearity of the readings using a thermocouple and an aluminium hotplate. The readings were linear from 20°C to 100°C, within experimental error. In both cases the readings were made by taking them from grey PVC tape stuck on the hot surface. The instructions state that the emissivity of the surface to be observed is assumed to be 95%. I compared the readings taken from the grey PVC tape with those from the aluminium surface blackened with a black felt tip on the same hotplate at ~100°C. The black felt tip region gave a value of only 0.7 x that from the PVC, so clearly the actual emissivity is very important for these thermometers. This instrument has a distance to spot diameter of 12:1 which means that relatively small areas can be examined at distance.
Date published: 2014-11-09
Rated 5 out of 5 by from great and if it keeps working I can say nothing but good about it. It has allowed me to check all my cielings and walls to see where all the heat is going and where insulation will save me pounds. everyone should have one!
Date published: 2013-10-25
Rated 5 out of 5 by from awesome pc of kit..ive used this for rc cars to check the temp of the brushless motor,,also handy for checking kids temperature when there ill..just watch there eyes though with the lasers..highly reccomended
Date published: 2013-10-02
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Specification

Specifications:
IR temperature range: -50°C - +550°C (-58°F - +1022°F)
IR temperature resolution: 0.1° up to 1000°, 1° over 1000°
Emissivity: 0.95 fixed
Basic accuracy: ±1.0% of reading
Response time: <150ms
Spectral response: 8 - 14µm
Size: 146(h) x 104(w) x 43(d)mm
Weight: 163g
Power: 9V PP3 battery

The manual mentions UP and DOWN buttons. Where are these?

Asked by: Epashleyh
I do not see any buttons on the item, so I am not able to advise.
Answered by: Dominic
Date published: 2017-02-27

Hi there, How do I change the setup from degrees c to degrees f thanks

Asked by: Crooky95
Open the Battery Compartment. Slide out the battery. There is no need to disconnect it. At the top of the compartment toward the rear of the trigger, there is a small slide switch to select Deg' F to the left and Deg' C to the right with the trigger facing you. It is also on PCB Legend beneath switch. Replace battery and close compartment cover...Good to go.
Answered by: John S
Date published: 2017-01-20

Is there a correction factor for surfaces with other emissivity? Not every surface is black at 0.95. A correction factor for different optical surface finishes would be useful.

Asked by: andy
No, I am sorry but the item will not work for this use.
Answered by: Dominic
Date published: 2016-09-21

How to exchange the battery in this model. I can not find a way to open the case.

Asked by: ajatol
The hand grip drops down at the front, you should see two finger holes to at the top to pull this down.
Answered by: Russell
Date published: 2016-07-20

Do I need to calibrate this thermometer and if so how?

Asked by: big_greg
These come ready calibrated to the accuracy stated in the manual, but no user calibration is supported.
Answered by: Russell
Date published: 2015-10-02

Do the laser points have to merge to get an accurate reading or can you get a reading from one laser point?

Asked by: Nikko
If you need an accurate reading you would need both dots to merge.
Answered by: Dominic
Date published: 2015-09-26

why you used a special connector in the IR thermometer

Asked by: ahmad
This will be for factory use.
Answered by: Dominic
Date published: 2015-07-17

Will the dual lazer thermometer give differentials on a wall where there are suspected voids in the insulation system. Can it be used for reading temperatures in underfloor central heating coils. Many thanks Bernard
Asked by: bernard donovan
No sorry this product does not support that.
Answered by: LC
Date published: 2015-07-17
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