ThermoSpot Plus - Thermometer Laserliner - Free user manual and instructions

Product type	Non-contact infrared thermometer
Brand	Laserliner
Model	ThermoSpot Plus
Measuring range	-38°C to 600°C
Accuracy	±2°C (0°C to 600°C) or ±2% (whichever is greater); ±2°C + 0.05°C/°C (-38°C to 0°C)
Resolution	0.1°C
Optics (distance/spot ratio)	12:1
Emissivity	Adjustable from 0.01 to 1.00
Aiming laser	Class 2, < 1 mW, 650 nm
Maximum value display	Yes (MAX)
Continuous measurement	Yes, by keeping the trigger pressed
Hold function	Yes, holds the last measured value
Display backlight	Yes
Power supply	2 AAA (LR03) 1.5 V batteries
Dimensions (L × H × D)	46 × 158 × 125 mm
Weight (with batteries)	210 g
Working conditions	0°C to 50°C, max. relative humidity 20-85% (non-condensing)
Storage conditions	-10°C to 60°C, max. relative humidity 80%
Maintenance and cleaning	Clean with a slightly damp cloth; do not use solvents or abrasive products; remove batteries for extended storage
Recommended calibration	Once a year
Laser safety	Do not look into the beam; do not point at people; use optical instruments
Approvals	CE, UKCA
Warranty	See conditions on the manufacturer's website

Frequently Asked Questions - ThermoSpot Plus Laserliner

How to measure temperature with the ThermoSpot Plus?

Point the device at the surface to be measured using the laser circle for aiming. Press the trigger: the measurement is displayed on the screen. Release the trigger to hold the value (Hold function). For continuous measurement, keep the trigger pressed.

What is emissivity and how to set it?

Emissivity (0.01 to 1.00) represents a material's ability to emit infrared radiation. It is pre-set to 0.95, suitable for most materials (wood, plastic, ceramic...). To change it, press briefly or long press the adjustment key (see manual). Refer to the provided emissivity table for specific materials.

Is the laser dangerous for the eyes?

Yes, the laser is Class 2 (< 1 mW). Never look directly into the beam or reflections. Avoid pointing it at people or animals. If exposed, close your eyes and turn away.

What is the accuracy of the device?

Accuracy is ±2°C between 0°C and 600°C (or ±2% of the measured value, whichever is greater). Between -38°C and 0°C, it is ±2°C + 0.05°C per degree.

How to change the batteries?

Open the battery compartment on the device. Insert two AAA (LR03) batteries observing the indicated polarity. Close carefully.

How to clean the device?

Use a slightly damp cloth to clean the surfaces. Do not use solvents, abrasive products, or harsh cleaners. Remove batteries if not used for a long period.

What to do if the device displays an incorrect value?

Check the emissivity setting: it must correspond to the material being measured. Ensure the surface is clean and nothing obstructs the sensor (steam, dust, glass). If the problem persists, recalibrate the device or contact customer service.

What is the optimal measurement distance?

The optical ratio is 12:1, meaning that for a distance of 12 cm, the measurement spot has a diameter of 1 cm. Adjust the distance so that the spot fully covers the target area.

Can the device measure through glass or liquids?

No, the infrared thermometer measures surface temperature only. Glass reflects infrared and transparent liquids can distort the measurement. Use it on solid, opaque surfaces.

How to interpret the maximum value display (MAX)?

In continuous measurement mode (trigger pressed), the device displays the maximum temperature reached. Release the trigger and press again to reset the MAX value.

USER MANUAL ThermoSpot Plus Laserliner

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HOLD 27.7 MAX 32.7 1x

Completely read through the operating instructions, the "Warranty and Additional Information" booklet as well as the latest information under the internet link at the end of these instructions. Follow the instructions they contain. This document must be kept in a safe place and if the laser device is passed on, this document must be passed on with it.

Function / Application

The ThermoSpot Plus is an infrared thermometer with an adjustable emission coefficient that can be used for measuring the temperature of a wide range of surfaces without having to make contact with them. The instrument measures how much electromagnetic energy is emitted in the infrared wavelength range and uses this information to calculate the surface temperature.

General safety instructions

• The device must only be used in accordance with its intended purpose and within the scope of the specifications.
• The measuring tools and accessories are not toys. Keep out of reach of children.
• Modifications or changes to the device are not permitted, this will otherwise invalidate the approval and safety specifications.
• Do not expose the device to mechanical stress, extreme temperatures, moisture or significant vibration.
• The device must no longer be used if one or more of its functions fail or the battery charge is weak.
• Please ensure compliance with the safety regulations set out by local and national authorities with regard to the correct and proper use of the device.

Safety instructions

Using class 2 lasers

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Laser radiation!

Do not stare into the beam!

Class 2 laser

< 1 mW · 650 nm

EN 60825-1:2014/AC:2017

• Attention: Do not look into the direct or reflected beam.
• Do not point the laser beam towards persons.

• If a person's eyes are exposed to class 2 laser radiation, they should shut their eyes and immediately move away from the beam.

• Under no circumstances should optical instruments (magnifying glass, microscope, binoculars)

• Do not use the laser at eye level (1.40...1.90 m).
• Tampering with (making changes to) the laser device is not permitted.

Safety instructions

Dealing with electromagnetic radiation

• The measuring device complies with electromagnetic compatibility regulations and limit values in accordance with EMC-Directive 2014/30/EU.
• Local operating restrictions – for example, in hospitals, aircraft, petrol stations or in the vicinity of people with pacemakers – may apply. Electronic devices can potentially cause hazards or interference or be subject to hazards or interference.
• The measuring accuracy may be affected when working close to high voltages or high electromagnetic alternating fields.

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Be sure to pay attention to polarity.

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Laserliner Temperature 5.0 h i

a Laser beam switched on
b Battery charge
c Hold function
d Measured value display
e Max. value during the measurement / Emission coefficient
f Display lighting
g Unit of measurement °C
h Set emission coefficient
i ON / Measure

4 Continuous measurement / Hold

Measurement er (see figure) button pressed.

Release the button as soon as the laser circle pinpoints the measurement location. The measured value is held.

Button as user circle measure- . The e is held.

For continuous measurement activate the laser (see figure) and keep the button pressed.

Laser circle

The laser circle is a targeting aid to sight the location for the infrared measurement. Temperature measurement is only performed on the surface within the laser circle. Please ensure that the space between the instrument and surface to be measured is free of disturbances (steam, gas, contamination, glass).

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Laser output

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5 MAX display

The MAX display determines the maximum measured value within the context of a continuous measurement (keep trigger button pressed). As soon as you release the trigger button and press it again to start a new measurement, the MAX value will be reset and the instrument will start the process of recording the maximum measured value all over again.

HOLD °C 27.7 MAX 32.7 1x

6 Setting the emission coefficient

A built-in sensor head detects the material/surface-specific infrared rays emitted by every object. The level of these emissions is determined by the material's emission coefficient (0.01 to 1.00). After switching on for the first time, the device is preset to an emissivity coefficient of 0.95, which is suitable for most organic materials as well as plastics, ceramics, wood, rubber and stone. For materials with different emissivity coefficients, please refer to the table under point 6.

Unknown emission coefficient:

Apply masking tape or black matt paint to the surface of the area whose temperature you wish to measure. Wait until the tape/paint has heated up. The temperature of the surface can then be measured with an emission coefficient of 0.95.

Laserliner Tendering 320 HOLD °C E 0.01 ... ... E 0,01...1,00 HOLD °C E 100

Button pressed briefly: Value +0.01

Keep button pressed:

Value runs through 0.01 ... 1.00

The emissivity coefficient last selected is set after the device is switched on. Check the emissivity coefficient setting before each measurement.

7 Table of emission coefficients

Metals

Alloy A3003		Iron		Steel
Oxidised	0.20	Oxidised	0.75	Alloy (8% nickel, 18% chromium)	0.35
Roughened	0.20	With rust	0.60	Galvanised	0.28
Aluminium		Iron, cast		Oxidised	0.80
Oxidised	0.30	Non-oxidised	0.20	Heavily oxidised	0.88
Polished	0.05	Molten mass	0.25	Freshly rolled	0.24
Brass		Iron, forged		Rough, flat surface	0.96
Polished	0.30	Matt	0.90	Rusty, red	0.69
Oxidised	0.50	Lead		Sheet, nickel plated	0.11
Chromium oxide 0.81		Rough	0.40	Sheet, rolled	0.56
Copper		Platinum		Stainless steel	0.45
Oxidised	0.72	Black	0.90	Zinc
Copperoxide	0.78	Steel		Oxidised	0.10
Inconel		Cold rolled	0.80
Oxidised	0.83	Ground plate	0.50
Electropolished	0.15	Polished plate	0.10

Nonmetals

Asbestos 0.93		Gravel	0.95	PaperAll colours	0.96
Asphalt 0.95		Grit	0.95
Basalt 0.70		Gypsum	0.88	PlasticTranslucentPE, P, PVC	0.950.94
Brick, red 0.93		Gypsum cardboard	0.95
Carborundum 0.90		Heat sinkBlack, anodized	0.98	Quartz glass	0.93
Cement 0.95		Human skin	0.98	RubberHardSoft, grey	0.940.89
Ceramics 0.95		IceClearWith heavy frost	0.97
ChinaBrilliant white With glaze	0.730.92	Laminate	0.90	Sand	0.95
Clay 0.95		Lime	0.35	Screed	0.93
CoalNon-oxidised	0.85	Lime malm brick	0.95	Snow	0.80
Concrete, plaster, mortar	0.93	Limestone	0.98	Soil	0.94
Cotton 0.77		MarbleBlack, dull finishGreyish, polished	0.94	Tar	0.82
Earthenware, matt 0.93		Masonry	0.93	Tar paper 0.92
Fabric 0.95		PaintBlack, mattHeat-resistantWhite	0.970.920.90	Transformer paint	0.94
Glass 0.90				Wallpaper, light-coloured	0.89
Glass wool	0.95			Water	0.93
Graphite	0.75			WoodUntreatedBeech, planed	0.880.94

Information on maintenance and care

Clean all components with a damp cloth and do not use cleaning agents, scouring agents and solvents. Remove the battery(ies) before storing for longer periods. Store the device in a clean and dry place.

Calibration

The meter needs to be calibrated and tested on a regular basis to ensure it produces accurate measurement results. We recommend carrying out calibration once a year.

Technical data Technical revisions reserved. 21W11
Measurement range -38°C ... 600°C
Accuracy	± 2°C + 0,05°C / degree (-38°C ... 0°C)± 2°C (0°C ... 600°C) or± 2% whichever value is greater
Optic 12:1 (distance : measured spot)
Resolution 0.1°C
Emission coefficient 0.01 ... 1.00
Laser wavelength 650 nm
Laser class 2 / < 1 mW (EN 60825-1:2014/AC:2017)
Operating conditions	0°C ... 50°C, max. humidity 20 ... 85% rH, no condensation,max. working altitude 4000 m above sea level
Storage conditions -10°C ... 60°C, max. humidity 80% rH
Power supply 2 x 1,5V LR03 (AAA)
Dimensions (W x H x D) 46 x 158 x 125 mm
Weight 210 g (incl. batteries)

EU directives and disposal

This device complies with all necessary standards for the free movement of goods within the EU.

This product is an electric device and must be collected separately for disposal according to the European Directive on waste electrical and electronic equipment.

Further safety and supplementary notices at:

http://laserliner.com/info?an=AFZ

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