Mainly designed for detect all kinds of refrigerant leak, a digital refrigerant leak detector is a great helper in our daily life. 

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What does a leak detector do? Why do we need to use a leak detector? 

In fact, refrigerants are closely related to our lives and are mainly used in most fields where R-12 (R12, Freon 12, F-12, CFC-12, Freon 12, dichlorodifluoromethane) refrigerants are used, including: refrigerators, Freezers, water dispensers, automotive air conditioners, central air conditioners, dehumidifiers, cold storage, commercial refrigeration, ice water machines, ice cream machines, refrigeration condensing units and other refrigeration equipment, and can also be used in aerosol propellants, medical aerosols, sterilizers Insect drug propellant, polymer (plastic) physical foaming agent, and magnesium alloy protective gas, etc.

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8 Benefits of Aprvtio Digital Refrigerant Leak Detector

1.Aprvtio digital refrigerant leak detector can detect kinds of refrigerant that includes HCFC, HFC, HC, HFO, and carbon dioxide. Usually a digital refrigerant leak detector can be fixed on the wall, and an alarm is sounded when the data reaches a preset number.

2.Aprvtio digital refrigerant leak detectors hold strong adaptability to the environment. Generally speaking, it can normally work when a temperature between -25 to 50 degree. And the panel can work on 0 to 50 degree, even in a place where humidity is greater than 90 degree, they can run smoothly.

Meet the ISO certification, Aprvtio digital refrigerant leak detector enjoy great accurate and sensitivity, which can detect a small leak even in narrow and dark place, or pollution environment, without doubt, Aprvtio refrigerant leak detector is your big assistant to reduce budget and protect environment. 

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3.Just as mentioned above, Aprvtio launched types of refrigerant leak detector, these detectors are suitable for any electrical installation work without extra work.

4.Due to freon is heavier than gas, in order to detect a leak accurately, a digital refrigerant leak detector has to be equipped on the floor. Due to the accurate measurement range and a low alarm setting, Aprvtio digital refrigerant leak detector can detect any anoxic area, such as hotel, office, store, apartment and bedroom, leaving you a safe environment all the time. 

5.More accurate than smoke detector,a digital leak detector can detect types of potential dangerous situation and air condition problem, which is also the choice of Hilton hotel. In short, Aprvtio refrigerant leak detector digital ensure you self-diagnosis all the time and provides the highest level of safety. 

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6.Higher sensitivity, even a small leak, Aprvtio digital refrigerant leak detector can found it quickly and early. 

7.Double alarming setting set on Aprvtio leak detector, which includes visual and sound alarm, in order to detect a leak, and make sure your work safe and fast.

8.Practical sensor technology on Aprvtio digital refrigerant leak detector will ensure the sensor is monitored, and showing you problem or leak. By the way, a sensor is easily washed, and can be used again after washing. If a leak to be founded, the led light will turn green into red, as well as sound alarm start working, which is so convenient to find a leak for you. 

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So is refrigerant toxic? Why are we testing it? 

Freon is fragrant and sweet, and when it discharges high concentrations of gas, it can damage the central nervous system of the on-site personnel, causing inability to concentrate, dizziness, headache, and ataxia. Excessive inhalation and prolonged inhibition of respiratory function can lead to coma or even death. Eye contact with its gas and liquid will be strongly irritated, causing pain, swelling, and tearing. Liquid splashing on the skin can cause dryness, cracking, redness, inflammation and other hazards to the skin. That’s why it’s so important to know a refrigerant leak early and repair it in short time. 

6 Main Types of Refrigerants

Generally speaking, according to different refrigerant equipment, there are several refrigerants, they has different function, and playing an important role to a HVAC system.

1. Inorganic compounds. Water, ammonia, carbon dioxide, etc.

2. Derivatives of saturated hydrocarbons, commonly known as Freon. Mainly methane and ethane derivatives. R22, R134a, etc.

3. Saturated hydrocarbons. Such as propane, isobutane, etc.

4. Unsaturated hydrocarbons. Such as ethylene, propylene, etc.

5. Azeotropic mixed refrigerant. Such as R502 and so on.

6. Non-azeotropic mixed refrigerant. Such as R407c, R410 and so on.

 
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3 Different Temperature Environment for Refrigerant

Usually, according to the standard evaporation temperature of the refrigerant, it is divided into three categories: high, medium and low temperature. Standard evaporation temperature refers to the evaporation temperature at standard atmospheric pressure, that is, the boiling point.

1.Low pressure high temperature refrigerant

The evaporation temperature is higher than 0℃, and the condensation pressure is lower than 29.41995×104Pa. This type of refrigerant is suitable for centrifugal refrigeration compressors in air conditioning systems.

2.Medium pressure medium temperature refrigerant

Evaporation temperature -50 ~ 0 ℃, condensation pressure (196.113 ~ 29.41995) × 104Pa. This type of refrigerant is generally used in ordinary single-stage compression and double-stage compression piston refrigeration systems.

3.High pressure low temperature refrigerant

The evaporation temperature is lower than -50℃, and the condensation pressure is higher than 196.133×104Pa. This kind of refrigerant is suitable for the low temperature part of cascade refrigeration device or low temperature device below -70℃.

Kinds of refrigerant is required for different refrigerant device, and they play an important role to the normal operation of refrigerant equipment and offer you a comfortable living environment. Meanwhile, once there is a refrigerant leak, not only big economy lost brought, but also a bad influence for environment, such as ozone damage and global warm. Then how to detect the refrigerant leak? Usually, there are 7 ways as follows. 

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How to detect refrigerant leaks?

1. Visual estimation

When you notice a trace of oil somewhere in the system, this may be the leak point. There is a big defect. Unless the system suddenly breaks at a large leak point, and the system leaks a liquid colored medium, the visual inspection of the leak cannot be located, because the leak is usually very small, and many parts of the refrigeration system are almost invisible.

2. Bubble water or soapy water leak detection

Fill the system with 10-20kg/cM2 pressure nitrogen, and then apply soapy water to all parts of the system. The bubbling point is the leakage point. This method is the most common leak detection method for maintenance workers, but the human arm is limited, the human vision range is limited, and many times the leak point cannot be seen at all.

3. Nitrogen water leak detection

Fill the system with 10-20kg/cm2 pressure nitrogen, immerse the system in water, and the bubbling point is the leakage point. The obvious disadvantage of this method is that the moisture used for leak detection is easy to enter the system, causing the materials in the system to be corroded. At the same time, the high-pressure gas may also cause greater damage to the system, and the labor intensity of leak detection is also very large.

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4. Fluorescence leak detection

It uses the principle that fluorescent leak detectors emit bright yellow-green light under the irradiation of ultraviolet/blue light leak detection lamps to detect fluid leakage in various systems. When using, just add the fluorescent agent to the system in a certain proportion, put on special glasses after the system has been running for 20 minutes, and illuminate the outside of the system with a leak detection lamp, and the leak will show yellow fluorescence.

5. Gas differential pressure leak detection

Using the air pressure difference inside and outside the system, amplify the pressure difference through the sensor, and express the leak detection result in the form of digital or sound or electronic signal. This method can only "qualitatively" know whether the system is leaking and cannot find the leak point accurately.

6. Halogen lamp leak detection

 

Light the leak detection lamp and hold the air tube on the halogen lamp. When the nozzle is close to the leakage of the system, the color of the flame changes to purple-blue, which means that there is a large amount of leakage. This method produces open flames, which is not only dangerous, but also produces harmful gases when combined with open flames and refrigerants, and it is also difficult to accurately locate the leak point.

7. Digital leak detector

 

Digital refrigerant leak detector is a reliable leak detection, because of its accurate leak detection, it has quickly occupied the market in recent years. When using it, use the probe to move the place where there may be leakage. When the leak detector sends an alarm, it means that there is There is a leak. Leak detection with an electronic leak detector is currently the most scientific, simple and fast leak detection method.

Though several methods can be used to detect a leak of refrigerant, they hold many limitations, such as the soap water and UV dye, on the one hand, it’s complicate that need more time, on the other hand, these methods can’t be used on some points, as well as it will have a damage for HVAC system. After several years development, based on rich experience and advanced technology, digital refrigerant leak detector can detect a small leak in such a short time, different sensor makes sure high sensitivity, even can be used in a pollution point. 

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Why Choose AP/Benefits of AP Digital Refrigerant Leak Detector

This is the meaning of the existence of the Aprvtio brand. Aprvtio is committed to the research and development and production of leak detectors. We have a very mature digital refrigerant leak detector production line. We have leak detectors with various working principles, the first one is the corona type leak detector, The working principle refers to the local self-sustained discharge of the gas medium in the uneven electric field, which is the most common form of gas discharge. In the vicinity of the tip electrode with a small radius of curvature, the gas is ionized and excited because the local electric field strength exceeds the ionization field strength of the gas, so corona discharge occurs.

At the heart of our halogen leak detectors is an advanced microprocessor. The digital signal processing technology it adopts makes it possible that it is better than the control circuit and sensor head signal used. In addition, the number of components used in the circuit is reduced by approximately 40%, thereby improving reliability and performance. The microprocessor monitors the sensor head and battery voltage values in real time, up to 4,000 times per second, and can compensate for even the slightest signal pulsation in time. This makes the instrument a stable and reliable detection tool in almost all environmental applications.

Choosing Aprvtio is to give you more protection for your work. After years growing, Aprvtio is confident to offer you kinds of high quality digital refrigerant leak detector with competitive price, want your own digital refrigerant leak detector, contact us now!

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