# Pisonics > Xi'an Pisonics Information Technology Co., Ltd. — Built for the harshest industrial conditions — high-temperature, corrosive, scaling, bubbly slurries. Seven physical principles (ultrasonic, tuning fork, Coriolis, optical, microwave, differential pressure, exempt-activity gamma) to replace traditional radioactive solutions. We design and manufacture industrial online density and concentration meters spanning seven physical principles, used in mining slurry, flue-gas desulfurization, coal washing, paper-making, brewing, food, pharmaceutical, and chemical industries. Most of our portfolio is non-radioactive; for the toughest applications we also offer an exempt-activity Na-22 gamma series. ## Measurement Principles - Ultrasonic — acoustic impedance (PS7000), acoustic attenuation (PS7010, clamp-on capable), sound velocity (PS7020, ±0.0005 g/cm³) - Tuning fork — piezo-driven resonance with PT1000 temperature compensation (PS7400) - Coriolis — vibrating-tube density, bent (PS7210) and straight-tube (PS7220) variants - Optical — spectroscopic UV-Vis-NIR multi-channel absorption (PS7100); refractive-index sapphire prism + CCD (PS7110) - Microwave — phase-shift transmission with Pt-100 temperature compensation (PS7600) - Differential pressure — dual-diaphragm static-head ΔP, three install styles (PS7300) - Gamma — exempt-activity Na-22 (< 1000 KBq), clamp-on, no radiation licensing required (PS7500) ## Products - [Slury density meter](https://www.pisonics.com/products/PS7000): The PS7000 series ultrasonic acoustic‑impedance slurry density meter completely eliminates the radiation safety risks and cumbersome environ… - [Acoustic attenuation density meter](https://www.pisonics.com/products/PS7010): The PS7010 series ultrasonic acoustic-attenuation slurry density meter employs a dual-probe through-beam measurement configuration, addressi… - [Sound Velocity Concentration Meter](https://www.pisonics.com/products/PS7020): The PS7020 series ultrasonic sound-velocity concentration/density meter measures the time of flight of ultrasonic waves in a liquid, and—com… - [Online tuning fork density meter](https://www.pisonics.com/products/PS7400): The PS7400 series online tuning fork density meter monitors liquid density in real time by leveraging piezoelectric excitation and changes i… - [Coriolis density meter](https://www.pisonics.com/products/PS7200): The PS7210 density meter employs the Coriolis force principle and achieves high‑precision, long‑term stability with no sensor drift through … - [Refractive concentration meter](https://www.pisonics.com/products/PS7110): The PS7110 series online refractive concentration meter uses high-resolution spectral acquisition and temperature-compensation algorithms to… - [Spectroscopic concentration meter](https://www.pisonics.com/products/PS7100): The PS7100 series spectral concentration/density meter employs multi-channel full-spectrum technology to deliver real-time, reagent-free, an… - [Pipeline Differential Pressure Density Meter](https://www.pisonics.com/products/PS7300): Online differential pressure density meter uses a special density sensor to measure the density of various liquids or liquid mixtures online… - [Na22 density meter](https://www.pisonics.com/products/PS7500): The PS7500 Series Na22 eco-friendly density meter employs a Na22 gamma radiation source at exemption-level activity, eliminating the need fo… - [Microwave concentration/density meter](https://www.pisonics.com/products/PS7600): The PS7600 series online microwave density meter accurately captures the phase shift and amplitude attenuation of microwaves in the medium, … ## Industries Served - [Non-ferrous Mining](https://www.pisonics.com/industries/mining) - [Power Plant FGD](https://www.pisonics.com/industries/fgd) - [Chemical / Fine Chemical](https://www.pisonics.com/industries/chemical) - [Pharma / Biotech](https://www.pisonics.com/industries/pharma) - [Steelworks & Coking](https://www.pisonics.com/industries/steel) - [Food / Brewing / Sugar](https://www.pisonics.com/industries/food) ## Recent Articles - [Pisonics’ ultrasonic density meter has been awarded the EU CE certification, marking a new milestone in product quality.](https://www.pisonics.com/news/Pisonics-ultrasonic-density-meter-has-obtained-EU-CE-certification-marking-a-new-milestone-in-product-quality) — 2026-05-10 - [Xi’an Pisonics’ PS7000 series density meter overcomes the challenge of measuring potassium chloride–saturated crystalline solutions: a revolutionary technological breakthrough for the potash fertilizer industry.](https://www.pisonics.com/news/PS7000-Sequence-Density-Meter-Breaks-Through-the-Measurement-Challenge-of-Saturated-Potassium-Chloride-Crystallization-Solutions-A-Revolutionary-Technological-Innovation-for-the-Potassium-Fertilizer-I) — 2026-05-09 - [Installation Diagram of the Acoustic Impedance Density Meter](https://www.pisonics.com/news/acoustic-impedance-density-meter-installation-diagram) — 2026-05-08 - [The working measurement principle of the tuning fork density meter](https://www.pisonics.com/news/working-principle-of-tuning-fork-density-meter) — 2026-05-07 - [The Necessity of Density Measurement in Flue-Gas Desulfurization Processes at Power Plants](https://www.pisonics.com/news/necessity-of-density-measurement-in-desulfurization-process-of-power-plant) — 2026-05-06 - [A New Era in Fine Chemical Safety Management: Application and Advantages of Spectral Concentration Meters in Online Monitoring of Absorption Liquids](https://www.pisonics.com/news/The-New-Era-of-Fine-Chemical-Safety-Management-Applications-and-Advantages-of-Spectroscopic-Concentration-Meters-in-Online-Monitoring-of-Absorption-Solutions) — 2026-05-05 - [Wet limestone flue-gas desulfurization process](https://www.pisonics.com/news/wet-limestone-flue-gas-desulfurization-process) — 2026-05-04 - [Advantages of ultrasonic density meters over traditional nuclear density meters](https://www.pisonics.com/news/advantages-of-ultrasonic-density-meters-over-traditional-nuclear-density-meters) — 2026-05-03 - [Video Introduction to the Working Principle of Wet Flue-Gas Desulfurization](https://www.pisonics.com/news/video-introduction-of-wet-flue-gas-desulfurization-working-principle) — 2026-05-02 - [The Necessity of Measuring Slurry Concentration in Flotation Processes](https://www.pisonics.com/news/necessity-of-measuring-pulp-concentration-in-flotation-process) — 2026-05-01 ## Contact - Website: https://www.pisonics.com - Sitemap: https://www.pisonics.com/sitemap.xml - MCP endpoint (JSON-RPC over HTTP POST): https://www.pisonics.com/mcp ## For AI agents Every detail page has a Markdown twin at the same path with `.md` appended: - `/products/{code}.md` - `/news/{slug}.md` - `/industries/{slug}.md` - `/applications/{slug}.md` These are cleaner to ingest than the rendered HTML and honor `If-Modified-Since`. An MCP server is available at `/mcp` (JSON-RPC 2.0). Tools: `search_products`, `get_product`, `recommend_for_application`, `list_industries`.