Thread Content
For continuous level, interface, density measurement, and limit detection, CHANGHUI Instruments offers a variety of measurement principle technologies to choose from. It provides level gauges with stable performance, which maintain consistent operation even under extreme conditions, ensuring the safety and economic efficiency of your factory. Additionally, it offers integrated services ranging from measurement point planning and calibration to maintenance. Providing the correct solutions for each measurement task, in the process control industry, Changhui Instrument Manufacturing Co., Ltd. offers a range of liquid and solid measurement devices that cover various applications, from basic point-level detection to more challenging tasks involving continuous level and volume measurement. As your trusted partner for level measurement solutions, Changhui Instruments, leveraging industry-leading technology, can provide you with reliable integrated solutions for your level measurement applications. Changhui can provide you with the best delivery and support services throughout the entire lifecycle of the level gauge – whenever you need them. This includes local repairs and on-site services. The level gauge itself is just part of what Changhui can offer; we can also assist you in selecting the right product, determining the best installation methods, and providing training. Changhui Instruments’ after-sales service will continuously provide you with information on the latest level gauge applications and technologies. Changhui’s three major level measurement instruments: Changhui’s “three” key level measurement instruments – ultrasonic level gauges, radar level gauges, and submersible level transmitters – have the following main technical specifications: ◆ Ultrasonic level gauge ① Range: 0-5m ； 0-10m ； 0-15m ②Signal output: 4-20mA two-wire ③Measurement accuracy: ±0.5%FS ④Protection rating: IP67 ⑤Ambient temperature: -25~+70℃ ⑥Process temperature: -40~+70℃ ⑦Operating pressure: -0.2～1bar ⑧Blind zone: 100mm below the sealing surface of the mounting flange and 60mm above the bottom surface of the guide tube ⑨Transducer housing materials: PVDF, PUIPC, PP, PTFE ◆Radar level gauge ①Range: 10m, 20m, 30m, 70m ②Signal output: two-wire 4-20mA/four-wire 4-20mA/HART ③Measurement accuracy: ±3mm ； ±10mm ； ±15mm ； ④Blind zone: 300 mm below the antenna port. ⑤ Protection rating: IP67. ⑥ Operating temperature: -40~+85℃ ； With LCD display: -25~+70°C ⑦ Process temperature: -40～200℃ ； -40～200℃ ； -40–100°C ⑧ Operating pressure: -0.1~0.3 MPa ； -1.0～1.6MPa ； -0.1～4MPa ◆ Submersible level transmitter ① Submersible level transmitters are available in an economical version as well as a high-reliability version with a long service life (using a molecular-bonding sealing process based on fusion film cold welding, ensuring no leakage from the probe even under pressure for 15 years), to meet the various cost-performance requirements of different industries. ②Measurement range: 0.5–100 m ③ Signal output: 2-wire 4–20 mA ④ Operating temperature: -20~+80°C Source: Digital display instrument http://yunrun.com.cn/product/