Infrared Thermometers(Temperature Sensors Measurement)

Series Product modesl: EM520, EM528

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EM520A Non-contact Infrared Thermometers

• Measures surface temperature without contact
• Laser pointer for accurate use
• Easy to read large digital display
• Blue backlight
• Low battery indication
• Max range 320°C
• Non-contact measurement, Laser pointer & Safely measure

EM520A SPECIFICATION

Range	-20°C to 320°C / -4°F to 968°F
D:S (Distance to spot size)	8:1
Accuracy	±2°C / ±3°F or 2% reading
Battery / Power source	9V 6F22, one piece
Size / Dimensions	90×155×45 mm
Weight	about 150g (with battery)

Accessories: Battery; Users Manual; Hand Strap; Canvas Holster (optional)

EM520B Non-contact Infrared Thermometers

It’s not easy going through life as a curious sort, but it does have its benefits. A few years ago, I discovered a gadget that would display the temperature of a remote object merely by pointing at its surface and pulling a trigger. OK, this is good. I was hooked. Unfortunately, this was before Tanga, so I had to fork over a truckload of cash to have this wonderous device.

The first few days of ownership go something like this. You will measure the temperature of everything and everyone you know. Soon you will know important facts, like the difference in temperature between your foot and your hand, and the temperature of your wife’s forehead and other body parts.

After you settle in, you’ll find this modern miracle to be an indispensible tool for diagnosis and troubleshooting. I used this swell gadget to identify cooling problems with my car, and to diagnose a water temperature issue at home. The possiblities are endless.

Of course, McDonalds could have saved millions had they used this to measure the temperature of their coffee before they were sued. I can’t guarantee that you’ll save millions if you own one of these, but you never know.

• Measures surface temperature without contact
• Laser pointer for accurate use
• Easy to read large digital display
• Blue backlight
• Low battery indication
• Max range 520°C
• Non-contact measurement, Laser pointer & Safely measure

EM520B SPECIFICATION

Range	-20°C to 520°C / -4°F to 968°F
D:S (Distance to spot size)	8:1
Accuracy	±2°C / ±3°F or 2% reading
Battery / Power source	9V 6F22, one piece
Size / Dimensions	90×155×45 mm
Weight	about 150g (with battery)

Accessories: Battery; Users Manual; Hand Strap; Canvas Holster (optional)

EM528 Non-contact Infrared Thermometers

• Measures surface temperature without contact
• Backlight and laser pointer on/off option
• Average, Difference, Max. and Min. Measurement
• High, Low alarm functions
• Extra bright laser pointer
• Max range 1200°C
• Non-contact measurement, Laser pointer & Safely measure

EM528 SPECIFICATION

Range	-20°C to 1200°C / -4°F to 2192°F
D:S (Distance to spot size)	12:1
Accuracy	±2°C / ±3°F or 2% reading

Accessories: Battery; Users Manual; Hand Strap; Canvas Holster (optional)

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ETP109A Digital Temperature Sensors Measurement

This unit is a high precision electronic probe thermometer, capable of measuring the value of Celsius degree/Fahrenheit degree and holding the test datum, used for reference in industry, laboratory, food temperature test and monitor, as well as cooking (such as to check out the temperature of boiled food, infant milk and so on ).

Auto power off
After being idle for about 15 minutes

Overrange indication
The unit will display "E00" when the
measured temperature exceeds the rated range.

Data Hold Function

ETP109A SPECIFICATION

Range	-10 to 300°C/-58 to 572°F
Accuracy	±1°C(0~80°C)/±2°C

Accessories: Battery; Users Manual

INTRODUCTION

Infrared thermometers measure temperature using blackbody radiation (generally infrared) emitted from objects. They are sometimes called laser thermometers if a laser is used to help aim the thermometer, or non-contact thermometers to describe the device’s ability to measure temperature from a distance. By knowing the amount of infrared energy emitted by the object and its emissivity, the object's temperature can be determined.

The most basic design consists of a lens to focus the infrared energy on to a detector, which converts the energy to an electrical signal that can be displayed in units of temperature after being compensated for ambient temperature variation. This configuration facilitates temperature measurement from a distance without contact with the object to be measured. As such, the infrared thermometer is useful for measuring temperature under circumstances where thermocouples or other probe type sensors cannot be used or do not produce accurate data for a variety of reasons.

Some typical circumstances are where the object to be measured is moving; where the object is surrounded by an electromagnetic field, as in induction heating; where the object is contained in a vacuum or other controlled atmosphere; or in applications where a fast response is required.

Infrared thermometers can be used to serve a wide variety of temperature monitoring functions. A few examples provided to this article include:

• Detecting clouds for remote telescope operation
• Checking mechanical equipment or electrical circuit breaker boxes or outlets for hot spots
• Checking heater or oven temperature, for calibration and control purposes
• Detecting hot spots / performing diagnostics in electrical circuit board manufacturing
• Checking for hot spots in fire fighting situations
• Monitoring materials in process of heating and cooling, for research and development or manufacturing quality control situations

There are many varieties of infrared temperature sensing devices available today, including configurations designed for flexible and portable handheld use, as well many designed for mounting in a fixed position to serve a dedicated purpose for long periods.

Specifications of portable handheld sensors available to the home user will include ratings of temperature accuracy (usually plus or minus a degree or two) and other parameters. The distance-to-spot ratio (D:S) is the ratio of the distance to the object and the diameter of the temperature measurement area. For instance if the D:S ratio is 12:1, measurement of an object 12 inches away will average the temperature over a 1-inch diameter area. The sensor may have an adjustable emissivity setting, which can be set to measure the temperature of reflective (shiny) and non-reflective surfaces. A non-adjustable thermometer can be used to measure the temperature of a shiny surface by applying a non-shiny paint or tape to the surface.

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Introduction to Infrared Thermometers

How do infrared thermometers work?

The most basic design consists of a lens to focus the infrared (IR) energy on to a detector, which converts the energy to an electrical signal that can be displayed in units of temperature after being compensated for ambient temperature variation. This configuration facilitates temperature measurement from a distance without contact with the object to be measured. As such, the infrared thermometer is useful for measuring temperature under circumstances where thermocouples or other probe type sensors cannot be used or do not produce accurate data for a variety of reasons. Some typical circumstances are where the object to be measured is moving; where the object is surrounded by an EM field, as in induction heating; where the object is contained in a vacuum or other controlled atmosphere; or in applications where a fast response is required.

The most usual infrared thermometer is the

• Spot Infrared Thermometer or Infrared Pyrometer, which measures the temperature at a spot on a surface (actually a relatively small area determined by the D:S ratio).

Related equipment, although not strictly thermometers, are:

• Infrared Line Scanning Systems scan a larger area, typically by using what is essentially a spot thermometer pointed at a rotating mirror. These devices are widely used in manufacturing involving conveyors or "web" processes, such as large sheets of glass or metal exiting an oven, fabric and paper, or continuous piles of material along a conveyor belt.

• Infrared Camera are essentially infrared thermometers which measure the temperature at many points over a relatively large area to generate a two-dimensional image, with each pixel representing a temperature. This technology is more processor- and software-intensive than spot or scanning thermometers, and is used for monitoring large areas. Typical applications include perimeter monitoring used by military or security personnel, inspection / process quality monitoring of manufacturing processes, and equipment or enclosed space hot or cold spot monitoring for safety and efficiency maintenance purposes. A photographic camera using infrared film and suitable lens, etc., is also called an infrared camera.

Infrared Thermometer Types

• Handheld Infrared Thermometer
  Handheld Infrared Thermometers
  Handheld infrared thermometers are one of the most popular types of infrared pyrometer. They are commonly used for portable applications although some models also feature an integral tripod mount.
  
• Pocket/Stick-Type Infrared Thermometers
  Pocket or stick type infrared thermometers are extremely compact. They are normally small enough to be carried in a shirt pocket.
  
• Infrared Thermocouples Infrared Thermocouples
  Infrared thermocouples are small low cost infrared sensors. They are unique in that they are self-powered and produce an output that mimics a thermocouple sensor.
  
• Infrared Thermometer/Transmitters
  Fixed mount infrared thermometers are commonly used in industrial processes where the thermometer can be mounted in a stationary position.
  
• Two Color-Ratio Thermometry Two Color-Ratio Thermometry
  

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