Technical information of intrinsically safe explosion-proof pressure transmitter

The TYH-CYT-107 intrinsically safe explosion-proof pressure transmitter is designed with a high-precision and highly stable force-sensitive chip, featuring a stainless steel isolation diaphragm for enhanced durability and reliability. It incorporates laser trimming and advanced thick-film technology for temperature compensation, along with linear compensation, signal amplification, and V/I conversion. Additional features include reverse polarity protection, overcurrent protection for pressure overload, and a 4 1/2 digit LED display for direct pressure reading. The device outputs industry-standard current or voltage signals, making it ideal for integration into various control systems. This digital explosion-proof pressure transmitter is widely used in industries such as petroleum, chemical processing, metallurgy, power generation, and environmental monitoring. It accurately measures gauge pressure, absolute pressure, and can handle corrosive gases, liquids, and steam. Key performance specifications include a wide measurement range from -100 kPa to 300 MPa, with options for different pressure modes. The transmitter operates on a power supply of 12VDC to 36VDC and offers output signals of 4–20mA, 1–5V, 0–5V, or 0–10V. Accuracy levels are available at ±0.5%FS, ±0.2%FS, and ±0.1%FS, ensuring precise measurements even under challenging conditions. The temperature drift is as low as 0.01%FS/°C, and zero drift is also maintained at 0.01%FS/°C, ensuring long-term stability of up to 0.03%FS per year. The operating temperature range is from -40°C to +150°C, with optional medium temperatures ranging from -40°C to 300°C. Ambient operating conditions are within -40°C to +85°C, and the transmitter can withstand overloads up to 150% of its rated capacity. With a service life exceeding 1×10^5 pressure cycles at 25°C, it is built for long-term use in harsh environments. The load resistance is calculated using the formula R = (U - 12.5)/0.02 - RD, where U is the supply voltage and RD is the internal resistance of the cable. The response time is less than 1 ms (from 10% to 90%). The transmitter is compatible with normal temperature media as well as high-temperature gases, liquids, and both corrosive and non-corrosive substances. The housing is made of 1Cr18Ni9Ti stainless steel, and the connection method includes M20 × 1.5 or customer-specified lead-type terminal configurations. It is available in an ExiaIICT6 intrinsic safety rating, meeting strict explosion-proof standards. Key features include the use of explosion-proof chips for reliable performance, reverse polarity and overvoltage protection, and a variety of structural designs to ensure safety and ease of installation. With strong anti-interference and vibration resistance, this transmitter is ideal for applications in oil and gas, chemical plants, power stations, pharmaceuticals, biochemistry, and fermentation processes, where intrinsically safe and explosion-proof isolation is required. Its robust design and precision make it a trusted choice for critical industrial measurement systems.

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