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VOC meter comes in various shapes and sizes. The choice of the meter or tester depends on the characteristics and needs of the intended working area. Some of these places include industrial and commercial areas. Here are the common types of VOC testers.
These VOC testers display the collected data instantaneously. So, if one is looking for a tester that offers immediate results, this is the one to go for. They are essential for indoor air quality situations that require constant monitoring.
Portable VOC monitors are handy due to their small size. This allows testing to be done in various areas, even in hard-to-reach or confined places. They also provide immediate data readings, magnifying their effectiveness.
These testers are able to store historical data. This is useful when analyzing indoor air quality over extended periods. These testers also come in handy when performing one’s tests and needing the data for future reference.
These analyzers detect more than one gas. Besides VOCs, they can measure CO2, CO, and other dangerous gases. These testers are helpful when one needs a comprehensive air quality report. Especially if one is in a hazardous or confined working space.
As the name suggests, indoor VOC testers are meant for indoor use only. They are primarily designed to measure the air quality of indoor spaces. This makes them useful for building owners and facility management. Also, they are lightweight and portable, which enhances their usage indoors.
Industrial VOC testers are used in industrial applications. They help monitor organic compounds in this space. They are specially designed to meet industrial requirements and deal with harsh conditions.
Just like any other gadget, one needs to buy something that will sit well with their needs. There are many factors to consider when buying VOC tester parts. Here are the key ones, as detailed below.
They are usually used with VOC testers that have data logging and transmission capabilities. The label allows the tester to have a visual representation of the data collected. It also provides additional information like measurements and errors encountered during the testing process. This assists one in making analysis and adjustments as quickly as possible.
This is one of the most necessary accessories for conducting the VOC tester reliably and accurately. Calibration gases are mixtures with known concentrations of specific VOCs. They help in adjusting the tester to enhance precision. It is advisable to use manufacturer-recommended calibration gases. This helps avoid dangerous situations and ensures the tester complies with industrial standards.
CpS are essential spare parts when using VOC testers in areas with low or no airflow. The pump helps create a suction in the space, allowing the sample to be taken from the area being examined. It will also enable the sample to be taken quickly, providing accurate and timely results. The type of pump needed, whether internal or external, will depend on the nature of the project at hand.
Sampling hoses are used to take air samples from places where VOCs are present. They are also helpful in taking fumes and gases from areas that are hard to reach but still need to be tested. These hoses are meant to connect to a pump or detector directly. They ensure that the air being tested is drawn correctly into the apparatus. Sampling hoses come in different lengths to suit different projects and keep airflow smooth.
This is an important accessory that helps keep the VOC tester powered at all times. Battery packs are ideal for power testers that are frequently used. They are also good for testers that require continuous operation. These packs also bring the convenience of recharging the tester, which means little to no downtime while conducting the analyses.
When looking to buy wholesale VOC meters, it is important to know the features that impact their costs. They also impact the price of the testers and how the added features increase or decrease the overall cost.
VOC meters able to perform real-time monitoring usually cost more because they provide instantaneous data. Therefore, the added capability of logging and instant data could be overkill for some clients. This makes them price out of reach for those who won’t be using this function. But for companies in industries that require constant air quality monitoring, this is a value-adding feature.
As mentioned earlier, this meter uses semi-conductor, photo-ionization, and electrochemical sensors to detect VOCs. Among these three sensors, the photo-ionization one is the most accurate in detecting various VOCs. This makes the meter more accurate but also increases the cost. On the other hand, the semiconductor one is more affordable but less accurate. That is why it is used for small-scale testing.
The detection range will also affect the price of the meter. Gas detection ranges that cover a larger span of concentrations will cost more. This range is usually ideal for industrial and commercial indoor air space monitoring. On the contrary, meters that cover smaller spans are more affordable. These meters are useful in less hazardous indoor air spaces.
Indoor air quality VOX meters are often designed to be portable for easy use. This portability is affordable and comes with budget-friendly built and design qualities. Thus, when considering the portability of the meter, one has to consider the trade-off between ease of use and the added costs. Also, for clients that need to move frequently, portability is a crucial requirement, hence a more reasonable price.
Meters with built-in data logging can record and store historical VOC level readings. This is often accompanied by a memory and display screen. These kinds of VOC testers are useful when long-term air quality tracking is intended. The added functionality, though, makes them more expensive than the basic models. Basic models only provide live readings without storage capabilities.
When selecting a VOC meter for sale, it is important to keep clients' needs in mind. This means understanding the factors that will help ensure the right choice of the tester. Here are these factors in detail.
When did VOC meters were designed to be used indoors? Most times, they are used for short-term monitoring. This is due to their compact and lightweight design, easy to use, and provide instantaneous data. All these features make them ideal for quick checks of indoor air quality. On the other hand, VOC meters for outdoor use are designed to analyze air quality deeply across large spaces. They are also equipped with advanced sensors and extended detection ranges. While these features provide comprehensive air quality data, they also make the meter bulkier and heavier. This indoor versus outdoor usage should be considered when choosing the right VOC meter.
The user’s level of expertise should be considered, as it affects the choice of the VOC meter. Those with a higher level of expertiseprefer complex VOC meters with advanced features. These include multiple gas detection, data logging, and an extended detection range. On the other hand, novices will go for simpler models that are easy to operate but still effective in their indoor air quality monitoring.
Clients from hazardous industries, such as oil and gas, chemical manufacturing, and mining, require VOC meters with enhanced detection capabilities. These include real-time monitoring, alarm systems, and multiple gas detection. On the other hand, clients whose workspaces are less hazardous will manage their air monitoring with a basic VOC meter. For instance, those in construction and maintenance will use a meter with a single gas sensor and a short detection range to keep the costs down.
Their primary focus is non-hazardous commercial spaces, such as offices, retail stores, and schools. For this kind of space, it is preferable to use VOC meters with compact designs, user-friendly interfaces, and data logging.
Using manufacturer-recommended calibration gases will help the VOC tester maintain accuracy. This is because the gas will help adjust the tester to ensure that readings are precise. Also, routinely calibrating the tester before each use will minimize errors and enhance reliability. In addition, testing the meter in a known concentrated area will help compare its readings with the actual VOC levels. This will identify any discrepancies in the readings. Overall, consistent calibration using recommended techniques will ensure accurate VOC levels are obtained.
The tester should, at the very least, be calibrated annually to maintain accuracy. However, for testers that are used in high-demand indoor air quality areas, quarterly calibration will suffice. Moreover, the constant environmental conditions and the tester’s frequency utilization will determine how often it should be calibrated. Due to this difference, it is essential to use specific calibration requirements. They are usually provided by the manufacturers to keep the tester as accurate as possible.
The sensor type, usage, and environmental conditions are key factors that affect the tester’s lifespan. For example, while electrochemical sensors are highly accurate, they are less durable. On the other hand, semiconductor sensors are more robust but less accurate. In addition, high temperatures and humidity levels can degrade the tester’s components, especially the sensors. Incessant exposure to extreme conditions will shorten its lifespan. Similarly, continuous use will wear out the tester in a shorter time than normal. Lastly, routine maintenance using manufacturer-recommended procedures will increase the tester’s life span.
Using a broken VOC tester can result in inaccurate readings. These inaccurate results may cause dangerous indoor air levels to be ignored or overestimated. It may also lead to exposure to hazardous organic compounds. Additionally, faulty testers might fail to sound alarms in risky situations. They can also provide misleading data. This can lead to improper ventilation and insufficient safety measures. Besides these, compromised sensors can emit sparks or static electricity and risk ignition in a working space that has flammable gases.
There is no need to worry about these dangers if the broken VOC tester is replaced on time. The tester should be replaced as soon as it starts showing signs of malfunction. The testers should also be routinely maintained and exposed to preventive care. This will help prevent breakages and hazards caused by disrepair.
