Temperature & Humidity Meter

Temperature Humidity Meter

A temperature and humidity meter is an important device for measuring and controlling industrial conditions accurately, helping to guarantee product quality and prevent damage in the production process. At SCMA we select high-quality measuring instruments, with a team of specialist engineers ready to advise you on choosing the instrument that suits your application.

What Is a Temperature Humidity Meter?

A temperature and humidity meter, or thermo-hygrometer, is a device that measures both the temperature and the relative humidity of the environment at the same time in a single unit. Temperature is the amount of heat or cold, measured in Celsius, Fahrenheit or Kelvin, while relative humidity is the ratio of water vapour in the air to the amount that would saturate it. A temperature meter together with humidity sensors is therefore indispensable for controlling quality and maintaining production standards in every kind of industry.

Types of Temperature Humidity Meter

To meet different applications, SCMA offers several types of temperature humidity meter to choose from according to the application and the accuracy required:

Analog Thermo-Hygrometer

A dial-and-needle hygrometer that is easy to read from a distance, needs no battery and withstands use in a wide range of environments. It suits permanent installation in a plant or warehouse where simplicity and durability are wanted.

Digital Thermo-Hygrometer

A temperature humidity meter with a digital screen showing clear numeric values, offering high accuracy along with extra functions such as recording maximum and minimum values, alerting when a value is abnormal, and connecting to an automatic control system. It suits work requiring high accuracy and continuous data recording.

Pin-Type Moisture Meter

Designed to measure moisture inside a material at a specific point — wood, paper or construction materials — by passing an electric current through pin probes inserted into the material and measuring the electrical resistance, which varies with the moisture content. It suits the woodworking industry, furniture manufacturers and construction work.

Non-Contact Moisture Meter

Uses a magnetic field or radio waves to measure moisture without drilling into or damaging the material. Simply touching the probe to the surface measures the moisture inside quickly. It suits checking concrete walls, building floors, or high-value items that must not be marked.

Moisture Balance Analyzer

The most accurate type of temperature meter, working by heating a sample and measuring the difference between its wet and dry weight. Widely used in laboratories, universities and food industry plants that require the highest standard.

Key Features of a Temperature Humidity Meter

SCMA selects high-quality thermometers and hygrometers with outstanding features, so customers get the best possible experience:

High accuracy and reliability - A temperature humidity meter with humidity sensors gives accurate and consistent readings, suited to quality control work demanding a high standard. For use in the food or pharmaceutical industry, choose a high-accuracy model and calibrate it regularly.

Several functions displayed at once - Measures and displays both temperature and relative humidity on a large LCD screen that is clearly visible even from a distance. Some models can show maximum and minimum values and the dew point, and have an automatic alarm.

Easy and quick to use - The hygrometer is designed for convenience, with easily understood buttons, so measurements can be taken and recorded quickly. The electronic sensor updates the value in real time, suiting work where many points must be checked.

Durable and long lasting - Designed to cope with industrial plant conditions, withstanding heavy use, with long battery life and automatic temperature compensation for accurate readings.

Data recording and connectivity - A temperature humidity meter can record measurements, export the data for analysis, and connect to a computer or an automatic control system. Some models support a wireless connection so the data can be viewed on a smartphone.

How to Use a Temperature Humidity Meter

Using a digital thermometer-hygrometer is easy and convenient. Follow these basic steps to obtain accurate readings:

1. Switch on and wait until it is ready - Hold the power button for a moment until the display lights up, and wait for the humidity sensors to adjust to the environment before use.

2. Read the value from the display - The temperature and humidity appear on the LCD together immediately. The electronic sensor at the probe tip detects and updates the value in real time.

3. Select the display unit you want - Press the toggle button to switch between Celsius, Fahrenheit or dew point. The dew point function helps assess the risk of condensation forming.

4. Use the special functions as required - Press the MAX/MIN button to see the highest and lowest recorded values. This function is useful for checking how much the temperature and humidity fluctuate.

Applications of a Temperature Humidity Meter

A temperature meter and humidity meter is indispensable across many industries, improving both efficiency and safety at work:

Food and beverage industry - A temperature humidity meter controls conditions in cold rooms, freezer rooms and raw material storage areas, and measures the moisture in food to prevent spoilage and microbial growth, guaranteeing food safety standards.

Pharmaceutical industry - Checks conditions in laboratories, drug production rooms and product warehouses with high-accuracy thermometers and hygrometers, guaranteeing the quality and stability of medicines and recording the readings for audit and certification.

Woodworking and furniture industry - Measures the moisture in timber to control production quality, preventing warping, cracking or shrinkage, and checks moisture before painting, assembly and installation with a hygrometer.

Construction and property - Checks moisture in concrete, walls, floors and ceilings with a temperature humidity meter, assessing readiness before laying flooring, painting or fitting decorative materials, and preventing moisture problems that cause mould and long-term damage.

Department stores and retail - Controls conditions in chillers, display cabinets and storage areas with a temperature meter, maintaining the quality of fresh food, fruit, meat and other products that need the right temperature and humidity.

Hospitals and laboratories - Thermometers and hygrometers check conditions in operating theatres, drug stores, sample stores and laboratories, guaranteeing the standard of patient care and the accuracy of test results.

Warehouses and industrial plants - A temperature humidity meter with humidity sensors is installed to control conditions in the plant, warehouse and storage areas, preventing damage to equipment and materials that need the right humidity.

Clean rooms and specially controlled rooms - Keeps temperature and humidity at the correct level to international standards, maintaining production quality in the electronics, semiconductor and pharmaceutical industries.

How to Choose the Right Temperature Humidity Meter

Choosing the right hygrometer means considering the key factors so that you obtain a device that matches the requirement and justifies the investment:

Measurement accuracy - Accuracy is the heart of a temperature humidity meter, and the tolerance for both temperature and humidity should generally be low. For use in the food or pharmaceutical industry, choose a high-accuracy model and calibrate it regularly.

Additional functions - Newer thermometers and hygrometers come with functions that improve efficiency in use, such as recording maximum and minimum values, wireless connection, setting automatic alarms, and continuous data logging.

Suitability for the installation location - Indoor areas suit a wall-mounted or desktop type, while a plant or warehouse should use a durable industrial type, and outdoor areas require a high protection rating.

Type of display - A digital screen is easier and clearer to read than a needle. Choose a screen large enough for the viewing distance, with a backlight for use in the dark, showing both temperature and humidity at once.

Complete Temperature and Humidity Meter Service from SCMA

SCMA is not merely a distributor of temperature humidity meters — we are a technical partner ready to look after you at every stage. With more than 40 years of experience in automation and instrumentation, our team of specialist engineers is ready to advise on choosing the thermometers and hygrometers that suit your application, along with a complete service: calibrating measuring instruments to international standards, training, and maintenance so that your measuring system works accurately at all times.

Summary

Choosing the right temperature humidity meter is the key to guaranteeing the quality and safety of industrial products. SCMA Company Limited is ready to be your dependable partner in supplying high-quality hygrometers and temperature meters from leading brands, with highly accurate humidity sensors. With more than four decades of experience and a team of specialists ready to support you, contact us today for advice and raise your measurement standard to the international level.

Frequently Asked Questions

Which type of temperature humidity meter suits cold rooms and freezer rooms?

We recommend a digital thermometer-hygrometer that can measure below zero, with recording and alarm functions — for example the KEPLER KTH-798SD or KTH-799SD, which have a data logger and can connect to a system.

How often must a temperature humidity meter be calibrated?

We recommend calibrating a hygrometer at least once a year. Pharmaceutical plants, hospitals and laboratories may need to calibrate more often. Contact SCMA for a calibration service complete with certificate.

What is the difference between measuring moisture in a material and humidity in the air?

An air meter measures relative humidity with humidity sensors, while a material meter measures the moisture inside wood, paper or concrete using the principle of electrical resistance. Contact SCMA for advice on choosing the right instrument.