Rating of the best pyrometers in 2022

A pyrometer is a device capable of measuring the temperature of a substance by a non-contact method. Thanks to this, it is able to fix a high t ° C. It is more often used in the professional field to control the surface heating required during the technological process, the device is used in everyday life or in the service sector. We can define it as a kind of thermometer used by companies to closely monitor production. Below we consider mechanisms costing from 1,000 to 65,000 rubles.

In our review, we will provide recommendations on what to look for in order not to make a mistake when choosing a product, which company model is better to buy. We will get acquainted with popular manufacturers, a description of their products, we will orient you at an average price.

Types of pyrometers

To begin with, it is important to determine the components of the device, let's consider them in more detail:

• An optical capture system, it can perceive radiation or energy emissions from any source.
• A device capable of converting this energy into data interpretable by the instrument;
• Adjustment system responsible for calibrating emissions. She can compare readings with her external source.
• Compensation mechanism to clear data from environmental influences.

There are 3 main types of devices, we will describe them, consider what they are:

1. Optical devices measure the radiation (red-yellow spectrum) emitted by the substance, then, thanks to the information received, temperature readings are formed. The instruments are capable of obtaining figures in excess of 1000°C, with maximum detectable values ​​around 1300°C. This type of device includes several subtypes, for example, resistance pyrometers. They consist of a thin wire that is attached to the surface being examined. Heat changes the electrical resistance within the apparatus, converting it into the final product. This is the most common device.
2. The work of infrared mechanisms is based on the fact that any heated body will radiate a certain energy. They have the ability to accurately measure and express it in degrees. Scientists such as Boltzmann, Planck, Kirchhoff or Stefan carried out various experiments throughout the 20th century, they made very important conclusions to describe this design.
3. The following devices operate in the range from 500°C to 1600°C.They are used to obtain data on the radiation emitted by an object, capturing some or all of it. These devices function due to the Stefan-Boltzmann law. According to him, the intensity of radiation emitted by a black body increases in proportion to the fourth power of the absolute t ° C of the object. Through the internal mechanisms of the apparatus, translation processes are carried out, which make it possible to determine the levels of surface heating.

How to choose the right device

Measuring heat has always been a challenge for mechanics. This is due to the constant exploitation of heated objects by humans. To work effectively, they must be controlled, but contact with them often entails danger. It's no secret that a thermometer is quite a useful tool for this purpose, although it has significant limitations.

The main difficulty during data acquisition is the proximity of the incandescent object to the instrument. No human being (and very many of his tools) would survive exposure to the heat radiation of some surfaces. To avoid the fate of Icarus, other devices had to be developed.

The pyrometer is able to receive data from hot surfaces remotely. His work is based on the measurement of radiation emissions from objects (from 50 below zero to 4000 degrees Celsius). Here are some tips to help you determine the criteria for choosing the right design for you.

1. Knowledge of the material of the object to be measured can help determine the technology on which the instrument should be made.For example, to acquire data while working with paper or textiles, we know that we are dealing with a non-reflective material with a high emissivity and can use a general purpose long wavelength sensor. For more complex objects such as aluminum, copper or steel, more versatile instruments are required that can work with different waves.
2. It is important to understand: what measurement range are you interested in? The functionality of the device used will have to depend on this. A general rule of thumb is that the longer the wavelength a pyrometer detects, the lower the temperature it can detect, and vice versa. It should be noted that the best shortwave devices will give a smaller measurement error. This is especially true during the study of hot objects.
3. It is necessary to take into account the presence of optical obstacles between the device and the object under study. It can be: water, steam, scale, flame, combustion gases, plasma, physical barriers. They create various types of interference, affecting the reception of data, since. passing through optical obstacles, the wave changes its length.
4. Another important point is the method of heating the object: induction, flame, gas or vacuum furnace. If you are examining an object inside a furnace where there are flue gases, you need to choose a pyrometer with a function that will help you get data. When measuring the t°C of an object from induction heating, it is recommended to use the fiber optic model, it ignores the influence of the coil. When taking data inside a vacuum furnace where a plasma is created, it is important to choose an instrument that captures the correct wavelength so that you can examine the plasma.
5. You need to correctly imagine the size of the target target.The study of this issue will help to purchase a device with the necessary optical resolution, data transfer interface. This is especially important when working with small objects such as wires. Using a pyrometer with a large field of view avoids inaccuracies. They are ideal for investigating roaming targets.
6. Another parameter that must be considered during the selection is the measurement range. This, combined with the dimensions of the target, will help determine the optical resolution of the instrument and its desired design. In some cases, there are physical restrictions (optical barriers, scaffolding, equipment in the way) that do not allow you to install the device close to the target, so it should be possible to install it at a distance of several meters. In this case, it is recommended to use the fiber optic configuration of the device, it can be installed in tight or hard-to-reach places.

Initially, the pyrometer was used to evaluate the expansion of certain metal objects during exposure to very high t°C. It should be noted that it was also used to determine the level of heating of ovens. Currently, the device has an electronic filling, runs on batteries or with an accumulator, is equipped with a memory card, and has a high degree of protection against environmental influences. Initially, there were two people credited with inventing the pyrometer. They were Peter van Mushenbroek and Josiah Wedgwood. However, it should be clarified that the current devices have little in common with the old ones.

Where could I buy

Budget novelties are purchased in specialized supermarkets. Managers will tell you the points you are interested in: how much the model you like costs, what they are.The product can be viewed in the online store by ordering online.

Rating of quality pyrometers for 2022

Our list is based on real reviews, it takes into account the opinion of buyers familiar with the product, its functions. Here you will find photos and tables of characteristics.

Inexpensive

Benetech GM320

"Benetech GM320" allows you to remotely measure the level of heating of objects. The device has a laser sight that provides more accurate results. The device has a wide range of applications, it can be used during the examination of live wires, aggressive chemicals or strong electromagnetic fields.

It is important to note that the product works without problems with moving objects, while obtaining very accurate information. "Benetech GM320" operates on 2 AAA batteries (not included), serves for quick non-contact measurement of surface temperature from -50 C to 380 C.

The device has a large user-friendly display with backlight, which has an automatic shutdown function. It makes it easy to read data even in the dark. The professional Benetech device will help you avoid errors and data distortion during work.

Technical indicators:

Options	Characteristics
Measuring range	-50 ~ +400 °C (-58 ~ +752 ℉)
Accuracy:	± 1.5°C (± 2.7℉) in the range of 0℃~+400℃ (32℉~+752℉)
	± 3.0°C (± 5.0℉) in the range -50℃~0℃ (-58℉~+32℉)
t°C resolution	0.1°C (0.1°F)
Response time	0.5 sec
Spectral range	5~14um
Thermal emissivity	0.95 fixed
Scale selection	yes (⁰C, ⁰F)
sighting	Point laser
laser diode	1 mW, 630-670 nm
Turning off the laser	+
Data Hold	+
Color	Black and yellow
Display	LCD
Working t°C	0~40°C
t°C storage	-20~60°C
Food	2 AAA 1.5 V batteries
Screen backlight	+
Dimensions	153 x 101 x 43mm
Net weight	147 g
Equipment:	Benetech GM320 - 1 pc
	Batteries - 2 pcs
	Instruction manual - 1 pc

• quick access to information;
• large display with backlight;
• professional design;
• wide functionality.

• not detected.

Deinbe WT320

This device has a wide range of non-contact applications, operates in extreme temperatures from -50 C to 380 C (-58 to 716 F), and can be switched from Celsius (C) to Fahrenheit (F). The Deinbe WT320 has a universal design, the device works on the basis of infrared radiation. Its design is suitable for use during grilling, car maintenance, home renovation and many other tasks.

The device allows you to instantly get the necessary data, it is easy to use, it does not require additional settings, just point the pointer at the target and within 1 second the large LCD screen with backlighting effect will display degrees Fahrenheit or Celsius.

Technical indicators:

Options	Characteristics
Range	-50 to +380°C
Accuracy	+/- 1.5% | +/- 1.5°C
Step	0.1°C
Dimensions	15 x 8 x 4 cm
Food	2*1.5V AAA batteries
Automatic shutdown	+
Display backlight	+
Sound signal	+

• LCD screen with backlight;
• readings in Celsius (C) and Fahrenheit (F);
• infrared design.

• not detected.

Mestek IR01B

The Mestek infrared detector is designed to provide easy diagnostics within a specific range. This model is equipped with a color display, which, according to the manufacturer, makes it easier to read the data.The device works with t°C from -50 to +800 degrees Celsius, which significantly expands the range of tasks performed.

In addition to the function of changing the units of readings (Fahrenheit or Celsius), you can also use the energy saving mode. The device automatically turns off after 30 seconds of inactivity to save energy. There is a low battery indicator on the body of the detector.

As the manufacturer states in the product description, Mestek has a total of twelve laser dots. Thus, the improved performance of the device, its accuracy is realized. Two 1.5V AAA batteries are required for operation and are not included.

Technical indicators:

Options	Characteristics
Range	-50 to +550 °С
Accuracy	± 2 °C
Response time	0.5 sec
Spectral range	8~14um
Scale selection	⁰C and ⁰F
laser diode	1 mW, 630-670 nm
Turning off the laser	+
Color	Black
Display	LCD
Screen backlight	+
Food	2x AAA

• LCD screen with backlight;
• setting of the upper and lower limits of t°C, light indicator;
• convenient laser pointer;
• infrared temperature sensor;
• powered by two AAA batteries;
• automatic shutdown after 30 seconds of inactivity;
• range from -50 to 550 degrees;
• laser positioning.

• not detected.

Medium

Laserliner ThermoSpot Laser

"Laserliner" is a cheap infrared mechanism that is used to measure the heating level of the oven. It reads up to 365 C with amazing accuracy for such a low cost design.The whole unit is ergonomically designed and the measurement range makes it suitable for many different tasks except for very hot surfaces.

One thing is certain, if you choose the Laserliner ThermoSpot Laser, you will save a lot of money and be able to get very accurate readings on most sites. Try it and you won't be disappointed.

Technical indicators:

Options	Characteristics
Sound indication	+
Value fixing function	+
Batteries	Batteries
Maximum use t°C	50°C
Units	Fahrenheit, Celsius
laser sight	+
Emission factor	0.95
Display resolution	+/- 0,1
Error	2.5 %
Minimum detectable t°C	-38°C
Maximum detectable t°C	365°C
Material	ABS plastic
Weight, kg	0.173

• price quality;
• Reads up to 365 C.

• not detected.

Fluke 62 Max+

Fluke makes the best gear when it comes to diagnostics of all kinds. Their infrared thermometers are no exception, offering amazing accuracy in addition to a wide range (-20 F to 932 F). "Fluke 62" is quite expensive, but it is justified by the high quality of the product. If you wish to operate with a higher maximum t°C the only real option is to use either digital or physical sensors.

Technical indicators:

Options	Characteristics
Included in the State Register	+
Degree of protection	IP 54
Batteries	Batteries
Maximum use t°C	50°C
Units	Fahrenheit, Celsius
laser sight	+
Response time	0.3 s
Emission factor	1
Display resolution	+/- 0,1
Error	0.03
Minimum detectable t°C	-30°C
Maximum detectable t°C	650°C
Guarantee period	365 days

• wide range of research t°C (from -20 F to 932 F);
• quality construction.

• high price.

Bosch PTD1

The pyro-and hygrometer (moisture measurement) from Bosch belongs to the highest class of products in this category. The manufacturer has developed an infrared thermometer as a versatile device that is primarily designed to help you move to an energy-efficient lifestyle.

Most pyrometers allow you to study only the t°C of the surface. The Bosch PTD1 IR, like some high-end devices, can be used, among other things, to measure t°C and air humidity. Based on the main goal - a comprehensive analysis of the indoor climate, the capabilities of the heat detector are very limited even compared to inexpensive models. With this product, you can read t°C from -20 to +200 degrees Celsius.

The accuracy of this model is ± 1.0 °C, which is above average. When examining humidity, the possible deviation is about 2 percent, which is a good result. Another positive aspect of the product is the possibility of a three-stage setting of the emission factor, depending on the object.

When working with this infrared thermometer (thermal detector), you can choose one of three required modes, namely:

• determination of only t°C of a solid surface;
• study of t ° C of indoor air to determine the "bridges" of cold;
• obtaining combined data (temperature of surface and air, as well as humidity for a comprehensive analysis of the climate inside the building).

To simplify diagnosis, a light indication is used inside the detector, which shows areas where mold can occur.The power source is two AA batteries, which are included in the kit, the device has a storage case.

Technical indicators:

Options	Characteristics
Light indication	+
Automatic shutdown	+
Humidity measurements	+
Batteries	Batteries
Minimum t°C of use	-10°C
Maximum use t°C	40°C
Units	Celsius
Error	0.01
Optical Resolution	1970-01-01 10:01:00
Measuring range	1m
Minimum detectable t°C	-20°C
Maximum detectable temperature	200°C
Additional Information	2 batteries 1.5 V LR06 (AA)
Guarantee period	24 months

• thoughtful design;
• comfortable, easy to use, rubberized body.

• not detected.

ADA instruments TemPro 550

"TemPro 550" can be attributed to the average price, functionality class of IR detectors, it is one of the most successful models of foreign production. Experts, almost without exception, are satisfied with its design, they emphasize the accuracy of the results, highlight the intuitive operation.

Thanks to the device, you can measure t ° C from -50 to +550 degrees Celsius with a fairly high accuracy of ± 1.0 ° C. The screen error is 0.1°, the response time is 500 milliseconds. The emissivity of the TemPro 550 is set to 0.95, so the product is used for most objects. The ratio of distance to target spot size is 12:1 and is in the middle range. Thanks to the automatic shutdown of "TemPro 550" you save battery power, it is blocked after 7 seconds after inactivity.

Technical indicators:

Options	Characteristics
Automatic shutdown	+
Value fixing function	+
Batteries	Batteries
Maximum use t°C	40°C
Units	Fahrenheit, Celsius
laser sight	+
Response time	0.5 s
Emission factor	0.95
Display resolution	+/- 0,1
Error	1.5 %
Minimum detectable t°C	-50°C
Maximum detectable t°C	550°C

• accuracy of results;
• clear management;
• automatic shutdown;
• price quality.

• not detected.

Expensive

Flir TG56

Introducing the Flir TG65 Thermal IR Pyrometer, it closes the gap between single-point IR devices and the legendary Flir cameras. The device is equipped with Flir Lepton's exclusive high-performance micro-sensor, which instantly recognizes heat sources, finding the optimal measuring point.

Using "Flir TG65" you can easily cope with any diagnostic tasks, identify hot and cold places indoors, which were not noticed before. The function of fixing values ​​will save the received information on the memory card, and you can show it to your clients, include it in reports.

Technical indicators:

Options	Characteristics
Type of	Base
Maximum t°C	650
Series	flir tg
State Register of the Russian Federation	-
Weight, g	440

• stores data for further processing by loading them via USB to a removable memory card (micro SD);
• The TG65 is designed to withstand a two-meter drop and is specifically designed for the harshest environments and demanding jobs.

• not detected.

Fluke 568 2837806

Your attention is an ergonomic, efficient infrared detector with a durable plastic dust- and water-repellent housing. "Fluke 568 2837806" has a wide range of functions, helps to control the operation of electrical and mechanized industrial equipment.The design of the mobile device allows you to connect it to a USB port, through which it is charged and data is transferred directly to a computer for further analysis.

The optical resolution of the detector is 50:1, this characteristic makes it possible to take t ° C readings from small objects at a great distance without loss of accuracy.
The Fluke 568 2837806 works with all common mini-port "K" style thermocouples. An important advantage of the detector is the ability to store information with the date and time of 99 measurements in memory.

A clear LCD screen with a resolution of 0.1°C has a two-level backlight. During operation, in addition to detecting t°C, it is possible to calculate the difference between two measurements. If the readings are higher or lower than the extremum, an alert is made using a sound indication and a flashing display. "Fluke 568 2837806" has a laser sight (safety class II), Celsius and Fahrenheit.

Technical indicators:

Options	Characteristics
Range:
	IR channel -40°~800°C (±1.0°C or ±1.0%).
	With thermocouple - -270°~1372°C (±1.0°C or ±1.0%).
Reaction time	500ms
Spectral sensitivity	8~14 µm
Emissivity	0,1~1,0
Working t°C	0°~+50°C.
storage t°C -20~+60°C.
Air humidity	10~90%R.H.
Degree of protection	IP54.
Source of power	2 AAx1.5 V batteries, resource 12 hours.
Included	Ball probe with K-type thermocouple, FlukeView Forms software, USB cable, batteries, instructions, hard case.

Advantages:

• sound indication;
• memory card;
• USB connection;
• laser targeting.

Flaws:

• not detected.

Testo 835-T2

The IR detector "Testo 835-T2" is used for remote measurement of t°C of any hot objects. It is possible to connect thermocouples to the device for contact data acquisition, this significantly increases the accuracy of the device. "Testo 835-T2" is registered in the State Register of SI, which is important if the received commercial information needs to be transferred to third parties as verification acts.

This product has a wide functionality, it is used in the range from -10 to +1500 ° C with an accuracy of ± 2 ° C. The design is based on an optical sensor that controls the strength of infrared radiation from hot objects. The optical resolution is 50:1, which makes it possible to control t°C at a considerable distance to the target (molten steel, glass or ceramic materials).

The 4-point pointer guarantees an accurate reading of the object's t°C. It outlines the contour along which the work is carried out, precisely defines the required area and eliminates errors associated with the influence of the ambient t ° C. Information on t°C is displayed on the digital contrast liquid crystal display. It is convenient to read data from any viewing angle, and the bright backlight allows you to work efficiently even in low light conditions.

When the set surface heating limit is exceeded, the heat detector issues a warning with an audible signal and the text "alarm" in front of the corresponding indicator. This feature will be useful when conducting a series of studies.

Data on the changes made are stored in the internal memory, it contains 20 protocols. The pyrometer can be connected to a computer for further processing.Using special software, you can prepare graphical reports and technical documentation.

Technical indicators:

Options	Characteristics
Range °C	-10 ... +1500
Accuracy (IR sensor)	±2.0 °C or ±1% of meas. value
Resolution (IR sensor) (°C)	0.1
t°C measurement	Thermocouple type K (NiCr-Ni)
Range (thermocouple type K (NiCr-Ni))	-50 ... +1000
Accuracy at t°C (thermocouple type K (NiCr-Ni))	±(0.5 °C + 0.5% of m.v.)
Resolution at t°C (thermocouple type K (NiCr-Ni))	0.1
storage t°C (°C)	-30 ... +50
Frame	ABS polycarbonate
Display type	Dot Matrix
Memory	200 ch. value
alarm alert	Sound, optical
Weight, g	514
Working t°C	-20 ... +50
Laser target designation	on off
Auto-off backlight, sec	30
Automatic shutdown of the device, sec	120
Emissivity table	20 values ​​in the device memory
Dimensions, mm	193x166x63
Manufacturer	testo
Standards	EN 61326-1:2006
Power type	AA batteries
Battery life	25 h

• improved accuracy and range;
• optical detector 50:1;
• laser 4-point pointer;
• backlit digital screen;
• storage, processing of information.

• not detected

A pyrometer is a useful device that does work that conventional instruments cannot. It facilitates the work of mechanics working in hazardous areas, they do not need to risk their health. We hope this review will help you decide on the popularity of models of domestic and foreign production.