Float and Board Type Level Indicator
1,000 - 100,000 Per Piece
10 Piece (MOQ)
Level indicators, unlike level switches, provide a continuous visual representation of the level of liquid or bulk solids within a container. They offer a more informative way to monitor fill levels compared to level switches that simply trigger an on/off signal at preset points. Here's a breakdown of level indicators and their various types: Function: · Provide a direct visual indication of the level of liquid or bulk material in a tank, bin, or silo. · Allow for continuous monitoring of fill levels without relying solely on electrical signals. · Can be used for various applications, including process monitoring, inventory control, and ensuring safety by preventing overfills. Types of Level Indicators: The choice of level indicator depends on the type of material being monitored (liquid or solid) and the desired level of detail: · Sight Glasses (Tubular Level Gauges): o Simple and cost-effective option for liquids. o Consists of a transparent tube or window mounted on the side of a tank, allowing you to see the liquid level directly. o Suitable for various tank sizes and pressures depending on the material. · Reflex Level Gauges: o For liquids with different refractive indexes (light bending properties) than the gauge material. o The interface between the liquid and empty space appears as a distinct line due to refraction, indicating the level. · Magnetic Level Indicators: o Utilize a magnetic float inside the tank connected to an external indicator with red and white sections. o The red section rises with the float as the liquid level increases, providing a visual indication. (May not be suitable for all liquids or environments with strong magnetic fields) · Electronic Level Indicators: o Employ electronic sensors and a digital display to show the liquid level. o May use various sensing technologies like ultrasonic or radar and offer features like level scaling and data logging. · Float and Board Level Indicators: o Primarily for large tanks with bulk solids. o A float rides on the surface of the material, connected by a cable and pulley system to an indicator board outside the tank. o The board moves up or down to visually represent the fill level. Additional Considerations When Choosing a Level Indicator: · Material Type: Liquid or bulk solid (and its properties like transparency, viscosity)? · Tank Material and Pressure: Compatible with the sight glass or enclosure material? · Temperature Range: Suitable for the operating environment? · Desired Level Detail: Basic level indication or need for precise measurements? · Visibility Requirements: Viewing distance and ambient light conditions? · Cost and Maintenance: Evaluate initial cost and ease of cleaning or maintenance. Advantages of Level Indicators: · Simple and Easy to Use: Provide a clear visual representation of fill levels. · Reliable Operation: Generally less complex than level switches, offering reliable monitoring. · Cost-Effective: Many options are affordable, especially for basic level indication. Disadvantages of Level Indicators: · Limited Data Output: Do not typically offer data logging or remote monitoring capabilities. · Accuracy: May not be as precise as some electronic level switches for specific applications. · Visibility Concerns: Viewing angles or ambient light can affect readability in some cases. Overall, level indicators provide a valuable tool for visual monitoring of liquid or bulk solid levels in various applications. By considering the type of material, tank conditions, and desired level detail, you can choose the most appropriate level indicator for your needs. They offer a simple, reliable, and cost-effective way to keep an eye on your inventory and ensure safe operation.
Bitumen Testing Instruments
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1 Piece(s) (MOQ)
We are offering Complete range of bitumen testing instruments as per following Marshall stability test apparatus Automatic marshall compactor Rolling thin film oven Rotational viscometer Skid resistance tester Ductility testing machine (Without refrigeration) Ductility testing machine with Refrigeration System Fully automatic penetrometer Low temperature waterbath Core drilling machine Mastic Asphalt Hardness Tester Flameproof bitumen extractor Planetary Mixer Petroleum distillation apparatus Distilllation apparatus as Muffle furnace Hot air oven - CE Marked Loss on heating test oven Softening point apparatus Saybolt viscometer Cleaveland flash and fire point apparatus Pensky marten flash point apparatus Benkleman Beam apparatus Density of semi solid bituminous material Marshall Rammer Ductility moulds Camber board Pycnometer bottle Aspirator pumps
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Purpose of list Water absorptiveness of paper board or other materials is a function of various characteristics such as sizing, porosity, etc. The Gurley-Cobb sizing test can be used to test absorption or resistance to absorption of water, oil and other liquids. Principle This procedure determines the quantity of water absorbed by a sample of paper or other sheet material in a specified time and under standardized conditions. Other liquids such as ink, beverages, oil and water based solutions may be used instead of water. The standard area is one hundred square centimeters (cm2), into which 100cc of liquid are poured to reach a specific height of 1 cm. For smaller samples, proportionately smaller areas (25 and 10 cm2) can be tested. Description The Gurley-Cobb Sizing Tester consists of a hollow metal cylinder or ring (100, 25 or 10 cm2 inside area); a metal base plate with a clamping device to hold the ring against the sample and a Neoprene mat. Neoprene gaskets also are supplied to seal off the cylinder when testing uneven materials where an ungasketed seal is difficult to maintain. A critical component of this test is a solid stainless steel roller having a smooth face 20cm wide and weighing 10.0+ 0.5kg. Also required for the test are a 100ml graduated cylinder, a balance with sensitivity of 0.01g or better, blotting paper and a timer or stopwatch.
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The tile sample is pressed under a specified load against a grinding path strewn evenly with an abrasive powder revolving at the rate of 30 + 1 r.p.m. At the end of 100 revolutions of the disc the second parallel side of the tile is subjected to wear for an equal number of revolutions of the disc. The wear of tile is measured using a thickness gauge. The Abrasion testing machine consists of a replaceable grinding path fitting on to a disc rotating its vertical axis. The rotating disc and grinding path are enclosed by a circular tray. A bracket holds the specimen. The loading is by a counter balanced lever. A funnel is provided to facilitate charging the grinding path with abrasive powder. Supplied complete with automatic preset revolution counter and one 7.5 kg weight but without abrasive powder and thickness gauge. Suitable for operation 230 V, single phase, Ac supply.
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