Category Archives: Technology

What Is the Purpose of a Portable Hardness Testing Device?

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A portable hardness testing device can be used to measure the hardness of materials in situ. This method is convenient, cost-effective, and quicker than a testing machine. Using a hardness tester can measure Rockwell, Brinell, or Vicker’s hardness. The tests can be performed on parts with varying wall thicknesses and surfaces.

Rebound Method

A portable hardness testing tool is a good choice if you need to measure the hardness of smaller parts. This tool is easy to use and has similar limitations to bench testing. This type of tool is also known as a UCI tester. It was originally designed to measure tool steel HRC values but has since expanded into various other markets. For example, it can measure the hardness of welds in thinner materials because it has a small footprint. However, the smaller footprint limits measurement to the toe of the weld, which is why it is a good choice for gear teeth.

Rockwell Method

If you are considering purchasing a portable Rockwell hardness testing tool, you have a variety of options. These systems vary in size and function, but they all offer the same basic testing capabilities. Typically, these systems can be used to measure hardness and brittleness. They may be operated by manually applying test forces to the test sample, or they may be operated by pushing a button. In either case, you should read the manufacturer’s manual and follow its instructions carefully. You should also avoid holding the test material while it is being tested, as this may cause the material to move during the test.

Brinell Method

A portable hardness testing tool is a convenient and fast way to test the hardness of a part or material without having to take it to a test bench. The tool is an electronic device that records and stores measurement results. It also allows users to transfer the results to a computer using the special software included with the tester. While a bench hardness tester is useful in some cases, the benefits of portable tools outweigh the disadvantages.

The Brinell hardness test is a nondestructive and rapid method of determining the hardness of materials. A ball made of hardened steel or carbide is impacted against the material to measure its hardness. A hardness value is determined by dividing the load by the indentation area.

Ultrasonic Method

Ultrasonic methods are used to test the hardness of materials. The frequency of the vibrating rod increases with force applied and with the surface roughness. Different sensors have different frequencies for different surfaces. A standard sensor has a test force of 20 N. Others are calibrated to test the hardness of surfaces with a roughness of 3.2 um and fifteen um.

The difference between these two hardness measurements is due to the temperature of the materials. While the temperature does not directly affect the hardness of materials, it does influence the measurement. The measurement will be accurate if the material under test and the test method are consistent.

Ball Indenter Method

The ball indenter method is an inexpensive and portable way to test the hardness of a material. This method uses a concave surface and an indenter with a circular cross-section. The ball diameter and the indentation area are divided by the applied load to determine the material’s hardness. It requires minimal sample preparation. The surface roughness of a material must be a minimum of one-tenth of its thickness. This method can be performed on production samples. The indenter used must be symmetrical to the sample surface. Indenters made of diamond are recommended for materials with hardness over 650 HB/30. Depending on the application, special hardness test equipment may be required.

Benchtop Method

Benchtop hardness testing devices use Brinell, Rockwell, or Vickers methods to measure the hardness of materials. However, they can be large and heavy and require installation. In contrast, a portable hardness tester is light and portable and does not require a sample of the material to be tested. Benchtop testing devices have several advantages over portable testers. They can test a variety of different materials and can be used to validate measurements. In addition, the portable version does not require calibration of the instrument. As a result, the test results can be verified on a wide range of materials, such as metals, plastics, and ceramics.

What you Need to Know About Fire Sprinkler Inspection

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The importance of fire sprinkler inspection like fire sprinkler inspection and testing NYC cannot be overstated. Without fire protection, you are opening yourself up to the risk of hefty insurance claims and other property damage. Not only is it essential to keep your building safe, but it will also save you from expensive fines. NFPA 25 stipulates a schedule for inspection, testing, and maintenance of water-based fire protection systems. Failure to perform these inspections on time could result in hefty fines.

NFPA 25 

NFPA 25 is the standard for water-based fire protection systems. The document specifies the minimum inspection, testing, and maintenance procedures for water-based fire protection systems, but authorities with jurisdiction may require additional testing and reviews. The document is intended to ensure the reliability of water-based fire protection systems and maximize system integrity. Although the document was written in 1992, the latest edition is currently available.

In addition to NFPA 25 requirements for water-based fire protection systems, NFPA provides contractors guidance. Contractors who install or maintain water-based fire protection systems must follow the schedule set forth in NFPA 25. Failure to follow the schedule may result in a false alarm, which could put emergency personnel in a precarious situation.

Quarterly inspections are required

According to the National Fire Protection Association (NFPA), fire sprinklers should be inspected yearly. The schedule depends on the type of system and occupancy of the building. First, a visual inspection is performed on sprinkler heads and other system components. An annual inspection is more detailed, involving the exercise of control valves and flow testing of fire pumps. In both cases, the sprinkler inspection is necessary.

Fire sprinkler systems should be inspected quarterly, and a licensed company should perform these checks. The inspection must include a comprehensive record of the findings. A fire protection company should keep these records for at least a year and be readily available upon request. A fire sprinkler inspection protects your property against code violations and fire safety failures. You can schedule one of these inspections in advance by choosing a company that offers multiple locations.

Failure to do so can result in hefty fines

Failing to inspect fire sprinklers can have severe consequences for a business, including hefty fines. Not only can fire sprinklers fail, but they can also be damaged when the building is not occupied. In addition, if the sprinkler system fails to operate, an AHJ will require an inspection. The fire code NFPA 25 also mandates regular testing of fire sprinkler systems to ensure that they will operate properly and minimize the length of sprinkler outages.

The NFPA 25 provides guidelines for annual or quarterly inspections for different elements of a fire sprinkler system. For example, control valves must be checked at least once a year, while sprinklers must be tested every five years. Other system components require annual or quarterly testing, while some are subject to manufacturer-specific guidelines. It is important to understand all of the requirements before beginning a sprinkler inspection.

Cost of inspections

The cost of fire sprinkler inspections varies based on the size of the building and the number of tampers and risers. For a typical 52,000 sq. ft. building with one fire sprinkler riser and 1-3 tampers, the cost is between $1,500 and $2,000 per year. Even for smaller facilities, fire sprinkler inspections are an excellent investment. While the cost may seem prohibitive, a fire can cost tens of thousands of dollars in damages, and it is well worth the cost to protect your commercial property.

In addition to a fire sprinkler inspection, the team must dispose of water. The easiest way is through a hose. However, some facilities do not have these facilities and require technicians to fill barrels with water before testing the system. This will increase the overall cost of the fire sprinkler inspection because it will take more time for the team to empty the barrels and then retest them. In addition, in some instances, fire sprinkler inspections will be more expensive if the fire sprinklers are connected to a pre-action system.

Giving Your Pump System a Boost

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A pump is a mechanical device used to move fluids such as oil, water, chemicals, and more. It provides vertical lift. Pumps are a necessity in many fields of work, such as oil refineries, lift stations, mining, sewer, and septic work, among others. In addition, pumps are a necessary tool in clean-up efforts; these devices have to be solid and dependable to support the daily jobs they are required to do and keep fluids moving quickly.

Vacuum Pumps

Vacuum pumps work by removing gas molecules or air particles from a sealed system. This creates a change in pressure that allows liquids to then flow through the pump or pipe system. Creating a pressure vacuum makes transferring all kinds of fluids very easy. You can make this process even more efficient by adding a power booster, which is a device made to do just that: boost the rate at which a fluid moves through the system.

The Benefits of Power Booster

This engineering marvel has different benefits; each of them seeks to help save time and money and make the job of cleaning up or moving essential liquids easier. 

Here are three benefits of using a power booster in a pump system.

1. They’re quick. The primary purpose of a power booster is to get things moving. So when your team turns on the pump, they will be able to increase productivity, saving a lot of time and money. This is especially true in disaster clean-up efforts when resources may be limited.

2. They’re compact. The typical power booster weighs about 10 pounds and is made with lightweight materials. This makes them easy to move and pack.

3. They’re powerful. Fast and compact doesn’t mean being weak, and the opposite is true with power boosters. They can be used with various types of systems and in different industries for varying purposes without letting anyone down.