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Temperature

All about various temperatures

GHP FTC Lab is a Dubai Municipality Registered Laboratory. GHP as organization is providing commercial instrument calibration and test equipment repair services for a wide variety of measurement and test equipment.

Infra-red Thermometer

An infrared thermometer is a non-contact temperature measurement device. Infrared Thermometers detect the infrared energy emitted by all materials — at temperatures above absolute zero and converts the energy factor into a temperature reading. 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.

Digital Probe Thermometer

Digital thermometers are the most commonly used temperature measuring instruments in the food industry. They are easier to read than glass thermometers, generally more accurate than the older dial-type thermometers based on bimetal coils, have a great range of specialized uses and applications and tend to have a much quicker response-time. Digital probe thermometers are generally of two types: thermocouple digital thermometers and thermistor digital thermometers.

Thermocouple Thermometer

Thermocouple thermometers are very good for use in the food industry because you can get a very accurate readout within 2 to 5 seconds. Because thermocouple thermometers are so quick, the temperature can be easily checked in a number of locations to ensure food is properly cooked. This is especially useful when cooking large foods, such as roasts or turkeys, because checking the temperature in more than one place is recommended. The thin probe of the thermocouple also enables it to accurately read the temperature of thin foods, such as hamburger patties, pork chops, and chicken breasts. With a thermocouple thermometers for food service you can measure food products in any phase of production from receiving an item to serving and holding. Thermocouple thermometers are mainly designed for food service industry. A thermocouple thermometer for food service is usually a two piece unit with a handheld readout unit with a detachable probe.

To use a thermocouple thermometer for measuring the food product at receiving or production you use different probes for the work. There are flat headed probes to measure surface temperatures, needle probes for internal measurements and ones to measure air temp of ovens.

Thermocouple thermometers for food service are invaluable to the industry because of the quick response and with multiple functionality.

Thermistor Based Digital Thermometer

Thermistor digitals generally have “built in” probes and sensors. They must be calibrated during the manufacturing process and so are not interchangeable. Thermocouple digitals, with some exceptions, can accept any matching category of probe (the two most common are K-type and T-type–these have different temperature ranges). We concentrate on K-type only, since this type spans all food application temperatures, and has more availability of probe options.

Accuracy can be very good with both types, but thermistor digitals are limited to the type of built-in probe they come with, and if the probe breaks, you have to buy a new thermometer.

Thermocouple digital thermometers are generally very predictable in their quality, and the response characteristics of their fitted probes is within a very narrow range. All QA stocks the highest quality thermocouple digital thermometers, so they can be used with high confidence.

Thermistor digitals are made worldwide, and can have variable quality, if not carefully checked. All QA performs checks of all of their thermistor-based products to ensure that their customers are getting products of excellent quality.

Dial Thermometer

is also common in high-capacity applications such as crane scales to use hydraulic force to sense weight. The test force is applied to a piston or diaphragm and transmitted through hydraulic lines to a dial indicator based on a Bourdon tube or electronic sensor.

Temperature Guage

GHP technicians are many years industry experienced and do on-site and in-house calibration & repair services on electronic, physical, mechanical and dimensional test equipment. We constantly strive to exceed expectations. Each employee has a vested interest in the future of the company that transfers directly to achieving our goal of achieving complete customer satisfaction. The growth and success of our company is directly attributed to a commitment by each individual to make a difference.

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