# Xi'an Yunyi Instrument Co., Ltd | portable dead weight tester,dead weight tester with quick seal connectors,field pressure calibration dead weight tester, submersible level sensor for harsh environments,industrial liquid level monitoring sensor,accurate submersible liquid level sensor, wireless submersible level sensor,high accuracy liquid level probe,ultra low consumption level sensor, ## summary > Manufacturer, Exporter, Brands: Yunyi&Shelok, We are specializing in the R&D, production and sales of pressure transmitter,level meter, flow , temperature instrument!, Established in 2007, Employees: 150~200, Annual sales: 1000000-2000000, Export ratio: 80% - 90%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide. ## Company Information * [Company Profile](https://www.transmitterpressuresensor.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.transmitterpressuresensor.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.transmitterpressuresensor.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.transmitterpressuresensor.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [Smart Water Pressure Sensor](https://www.transmitterpressuresensor.com/supplier-443174-smart-water-pressure-sensor): Keywords: Industrial Smart Water Pressure Sensor,0.5-4.5V Hydraulic Pressure Sensor,1.2Mpa Hydraulic Pressure Sensor. * [Air Pressure Transducer Sensor](https://www.transmitterpressuresensor.com/supplier-442908-air-pressure-transducer-sensor): Keywords: RS485 Air Pressure Transducer Sensor,Absolute Pressure Industrial Air Pressure Sensor,Carbon Steel Industrial Air Pressure Sensor. * [Oil Pressure Sensor](https://www.transmitterpressuresensor.com/supplier-443173-oil-pressure-sensor): Keywords: Ceramic Fuel Oil Pressure Sensor,Air Compressor Fuel Oil Pressure Sensor,Water Truck Fuel Pressure Transducer. * [Pressure Gauge Calibrator](https://www.transmitterpressuresensor.com/supplier-442913-pressure-gauge-calibrator): Keywords: Portable Pressure Gauge Calibrator,Pneumatic Pressure Gauge Calibrator,60Mpa Pressure Gauge Calibrator. * [Stainless Steel Pressure Regulator](https://www.transmitterpressuresensor.com/supplier-442911-stainless-steel-pressure-regulator): Keywords: Hard Seal Stainless Steel Air Regulator,CO2 Pressure Regulator,Gas Stainless Steel Air Regulator. * [Submersible Level Sensor](https://www.transmitterpressuresensor.com/supplier-443176-submersible-level-sensor): Keywords: Submersible Liquid Level Sensor,0.2%FS Submersible Water Level Sensor,Liquid Submersible Water Level Transmitter. * [Dead Weight Tester](https://www.transmitterpressuresensor.com/supplier-442918-dead-weight-tester): Keywords: Hydraulic Dead Weight Pressure Tester,RoHS Dead Weight Pressure Tester,Oil Dead Weight Pressure Calibrator. * [Dry Block Temperature Calibrator](https://www.transmitterpressuresensor.com/supplier-443175-dry-block-temperature-calibrator): Keywords: Dry Block Temperature Calibrator,0.2%FS Dry Block Temperature Calibrator,W150 Dry Block Temperature Calibrator. * [Differential Pressure Transmitter](https://www.transmitterpressuresensor.com/supplier-445572-differential-pressure-transmitter): Keywords: Capacitive Differential Pressure Transmitter,Liquid Differential Pressure Transmitter,Air Differential Pressure Level Transmitter. * [High Temperature Pressure Transducer](https://www.transmitterpressuresensor.com/supplier-445574-high-temperature-pressure-transducer): Keywords: 4-20mA Pressure Transmitter For High Temperature Application,Melt Pressure Transmitter For High Temperature Application,0.5%FS Ultra High Temperature Pressure Sensor. * [Differential Pressure Gauge](https://www.transmitterpressuresensor.com/supplier-445573-differential-pressure-gauge): Keywords: Medical Air Differential Pressure Gauge,Digital Differential Pressure Gauge,Mini Air Differential Pressure Gauge. * [Digital Pressure Gauge](https://www.transmitterpressuresensor.com/supplier-442909-digital-pressure-gauge): Keywords: Oil Digital Hydraulic Pressure Gauge,Gas Digital Hydraulic Pressure Gauge,0.05%FS Digital Water Pressure Gauge. * [Radar Level Meter](https://www.transmitterpressuresensor.com/supplier-442923-radar-level-meter): Keywords: HART Radar Level Gauge,150m Radar Level Meter,70m Radar Level Meter. * [Gas Flow Meter](https://www.transmitterpressuresensor.com/supplier-442914-gas-flow-meter): Keywords: 1.5%FS Gas Flow Meter,R1/4 Gas Flow Meter,Nitrogen Gas Flow Measurement Instruments. * [Digital Flow Meter](https://www.transmitterpressuresensor.com/supplier-442915-digital-flow-meter): Keywords: Electromagnetic Water Digital Flow Meter,Digital Turbine Flow Meter,MF5619 Gas Flow Meter. * [Water Flow Meter](https://www.transmitterpressuresensor.com/supplier-445575-water-flow-meter): Keywords: DN600 Electromagnetic Flow Sensor,TUF-2000H Portable Ultrasonic Flow Meter,Electromagnetic Water Flow Meter. * [Wall Mounted Ultrasonic Flow Meter](https://www.transmitterpressuresensor.com/supplier-445577-wall-mounted-ultrasonic-flow-meter): Keywords: Wall Mounted Ultrasonic Flow Meter,DN100 Wall Mounted Ultrasonic Flow Meter,DN50 Water Flow Meter With Digital Display. * [Tuning Fork Density Meter](https://www.transmitterpressuresensor.com/supplier-442920-tuning-fork-density-meter): Keywords: XY-886 Tuning Fork Density Meter,Explsion Proof Tuning Fork Density Meter,0.3%FS Tuning Fork Density Meter. ## Featured Products * [Submersible Level Sensor Wireless Liquid Level Probe with High Accuracy and Ultra Consumption for Industrial Applications](https://www.transmitterpressuresensor.com/videos-54252875-submersible-level-sensor-wireless-liquid-level-probe-with-high-accuracy-and-ultra-consumption-for-in.html): Keywords: wireless submersible level sensor,high accuracy liquid level probe,ultra low consumption level sensor. * [Wireless Radar Level Meter Offering Large Lens and 80GHz Frequency for Level Detection in Corrosive and Extreme Industrial Conditions](https://www.transmitterpressuresensor.com/videos-54252750-wireless-radar-level-meter-offering-large-lens-and-80ghz-frequency-for-level-detection-in-corrosive-.html): Keywords: wireless radar level meter with large lens,80GHz radar level meter for industrial use,corrosion-resistant radar level meter for extreme conditions. * [Submersible Level Sensor Designed for Accurate Monitoring of Liquid Levels in Harsh Environments and Industrial Settings](https://www.transmitterpressuresensor.com/quality-54315854-submersible-level-sensor-designed-for-accurate-monitoring-of-liquid-levels-in-harsh-environments-and): Keywords: submersible level sensor for harsh environments,industrial liquid level monitoring sensor,accurate submersible liquid level sensor. * [Digital Flow Meter wireless data transmission vortex flow measurement accurate stainless steel body easy setup battery powered](https://www.transmitterpressuresensor.com/quality-54316003-digital-flow-meter-wireless-data-transmission-vortex-flow-measurement-accurate-stainless-steel-body-): Keywords: wireless digital flow meter,stainless steel vortex flow meter,battery powered digital flow meter. * [Wireless liquid turbine flowmeter](https://www.transmitterpressuresensor.com/quality-54316203-wireless-liquid-turbine-flowmeter): Keywords: wireless liquid turbine flowmeter,digital turbine flow meter,wireless water flow sensor. * [Submersible Level Sensor Engineered to Deliver Consistent Accuracy and Fast Response Times in Liquid Level Detection](https://www.transmitterpressuresensor.com/sale-54315848-submersible-level-sensor-engineered-to-deliver-consistent-accuracy-and-fast-response-times-in-liquid.html): Keywords: submersible level sensor with warranty,accurate liquid level detection sensor,fast response submersible sensor. * [Intelligent Digital Hight Precision Natural Gas Flow Meters Hart Liquefied Carbon Roots Flowmeter](https://www.transmitterpressuresensor.com/sale-53213653-intelligent-digital-hight-precision-natural-gas-flow-meters-hart-liquefied-carbon-roots-flowmeter.html): Keywords: Liquefied Carbon Roots Gas Flow Meter,Hight Precision Gas Flow Meter,Intelligent Digital Gas Flow Meter. * [Dead Weight Tester with Lightweight Portable Design and Quick Seal Connectors for and Pressure Calibration in Field and Laboratory](https://www.transmitterpressuresensor.com/sale-54358465-dead-weight-tester-with-lightweight-portable-design-and-quick-seal-connectors-for-and-pressure-calib.html): Keywords: portable dead weight tester,dead weight tester with quick seal connectors,field pressure calibration dead weight tester. * [Dead Weight Tester with integrated main and auxiliary piston manometer system enabling calibration and accurate piston area calculation](https://www.transmitterpressuresensor.com/sale-54358475-dead-weight-tester-with-integrated-main-and-auxiliary-piston-manometer-system-enabling-calibration-a.html): Keywords: Dead Weight Tester with piston manometer,Dead Weight Tester for calibration,Dead Weight Tester with piston area calculation. ## Case Studies & Applications * [Regular Maintenance: Learn Pressure Gauge Calibration](https://www.transmitterpressuresensor.com/cases/regular-maintenance-learn-pressure-gauge-calibration-17944.html) * [YUNYI Vacuum Micro Pressure Sensor Atmospheric Transmitters in Air Duct Pressure Measurement](https://www.transmitterpressuresensor.com/cases/yunyi-vacuum-micro-pressure-sensor-atmospheric-transmitters-in-air-duct-pressure-measurement-17153.html) * [YUNYI 2088 Temperature Transmitter: Revolutionizing the Renewable Energy Industry](https://www.transmitterpressuresensor.com/cases/yunyi-2088-temperature-transmitter-revolutionizing-the-renewable-energy-industry-16843.html) * [YUNYI YK-100B Digital Pressure Gauge: Enhancing Oil and Gas Monitoring Systems](https://www.transmitterpressuresensor.com/cases/yunyi-yk-100b-digital-pressure-gauge-enhancing-oil-and-gas-monitoring-systems-16842.html) * [YUNYI RS485 Flow Meter for Marine: A Case Study](https://www.transmitterpressuresensor.com/cases/yunyi-rs485-flow-meter-for-marine-a-case-study-16781.html) * [YUNYI Air Pressure Gauge for Industrial Gas: A Case Study](https://www.transmitterpressuresensor.com/cases/yunyi-air-pressure-gauge-for-industrial-gas-a-case-study-16780.html) * [YUNYI Radar Anti-Corrosion Water Liquid Level Meter for Wastewater Treatment Industries](https://www.transmitterpressuresensor.com/cases/yunyi-radar-anti-corrosion-water-liquid-level-meter-for-wastewater-treatment-industries-16779.html) * [YUNYI Digital Turbine Flow Meter: Empowering Renewable Energy Industries](https://www.transmitterpressuresensor.com/cases/yunyi-digital-turbine-flow-meter-empowering-renewable-energy-industries-16778.html) ## Search Search endpoint: https://www.transmitterpressuresensor.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [Absolute Pressure Piston Gauge: The Benchmark in Pressure Measurement](https://www.transmitterpressuresensor.com/news/absolute-pressure-piston-gauge-the-benchmark-in-pressure-measurement-264483.html) * [The Rise of Wireless Instrumentation in the Water Treatment Industry](https://www.transmitterpressuresensor.com/news/the-rise-of-wireless-instrumentation-in-the-water-treatment-industry-252211.html) * [Revolutionizing Liquid Level Monitoring: The Smart Solution of LoRa Wireless Liquid Level Transmitter](https://www.transmitterpressuresensor.com/news/revolutionizing-liquid-level-monitoring-the-smart-solution-of-lora-wireless-liquid-level-transmitter-242382.html) * [Xi'an yunyi--Introduction to Solar Panel Wireless Radar Level Meter](https://www.transmitterpressuresensor.com/news/xi-an-yunyi-introduction-to-solar-panel-wireless-radar-level-meter-235671.html) * [Understanding Roots Flow Meters](https://www.transmitterpressuresensor.com/news/understanding-roots-flow-meters-235270.html)