Updated: April 24, 2026 — by Sino-Inst Engineering Team Molasses, honey, syrup, resin, and asphalt all share the same headache: they stop common flow meters from working. Orifice plates clog. Electromagnetic meters read zero when the fluid is non-conductive. Turbine Read More
Updated: April 23, 2026 A pressure gauge gives you a number on a dial. A pressure transmitter sends a 4-20 mA signal to a control system. That single sentence drives 90% of the selection decision. The remaining 10% is where Read More
Updated: April 23, 2026 Septic tanks, sewage holding tanks, and lift station wet wells are the dirtiest service for any level sensor. Solids settle on the bottom. Grease and FOG (fats, oils, grease) form a scum layer on top. Hydrogen Read More
Updated: April 23, 2026 Every differential pressure flow meter — orifice plate, venturi, flow nozzle, V-cone, averaging pitot — runs the same equation. Bernoulli says the velocity through a restriction goes as the square root of the pressure drop. Multiply Read More
Updated: April 22, 2026 A 6-inch (DN150) flow meter sits in a specific sweet spot — large enough to handle plant-scale cooling water, wastewater, and district heating loops, but small enough that you still have five mainstream technologies to choose Read More
Updated: April 22, 2026 Sulfuric acid storage tanks are the worst-case scenario for level instrumentation. Concentrated H₂SO₄ corrodes 316 stainless, dilute H₂SO₄ corrodes differently but just as fast, and the vapor space is full of fuming droplets that coat any Read More
Updated: April 22, 2026 Measuring level inside a blast furnace shaft is one of the hardest jobs in process instrumentation. The environment combines red-hot gas, dust clouds, pressure pulses, and electromagnetic noise. Guided-wave probes and mechanical plumb-bobs wear out in Read More
The online DP density meter measures liquid density from a hydrostatic pressure difference between two fixed points in the process. Range is 0.5 – 2.5 g/cc (500 – 2500 kg/m³), accuracy ±0.5% of reading, output 4–20 mA + HART. It Read More
Updated: April 21, 2026 | Sino-Inst Engineering Team Most ultrasonic level transmitter problems are installation problems, not sensor problems. A sensor mounted 20 cm inside its own blanking distance will read zero no matter how good the electronics are. This Read More
Updated: April 21, 2026 | Sino-Inst Engineering Team The cheapest way to convert a 4-20 mA loop signal into a voltage for a PLC or recorder analog input is a single precision resistor in parallel with the input. A 500 Read More
