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High-Temperature Pressure Transmitter
The HX‑T61/L61 series pressure transmitters are precision‑calibrated devices with adjustable zero and full‑scale settings, available in the widely popular 2088 aluminum alloy housing or a stainless steel housing.
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Product Overview
Overview
The HX‑T61/L61 series pressure transmitters are precision‑calibrated devices with adjustable zero and full‑scale settings, available in the widely popular 2088 aluminum alloy housing or a stainless steel housing. This series is extensively used across diverse industrial automation applications, including hydropower, railway transportation, smart buildings, process control, aerospace, defense, petrochemicals, oilfield operations, power generation, marine engineering, machine tools, and pipeline systems. They measure liquid level, density, and pressure of liquids, gases, or steam, converting the pressure signal into a 4–20 mA DC output. The HX‑T61/L61 series comprises primarily diffused‑silicon and ceramic pressure transmitters, with a measurement range spanning from –0.1 MPa to 0 MPa up to 100 MPa. The primary function of these transmitters is to convey pressure signals to electronic instrumentation, enabling pressure display on computers. The underlying principle involves converting mechanical pressure into an electrical signal—typically a 4–20 mA current—where pressure is linearly related to the magnitude of voltage or current, generally in a direct proportion.
Structural Features and Advantages
1. Reliable operation and stable performance, among other features;
2. Dedicated V/I integrated circuit, with few external components, high reliability, simple and effortless maintenance, compact size, lightweight, and extremely convenient installation and commissioning.
3. Aluminum alloy die-cast housing with triple isolation and an electrostatic powder-coated protective layer, ensuring robustness and durability; stainless steel housing, sleek and compact to save installation space.
4. 4–20 mA DC two-wire signal transmission, with strong anti-interference capability and long transmission distance;
5. Equipped with LED and LCD indicator displays, enabling convenient on-site readings. Suitable for measuring viscous, crystallizing, and corrosive media.
6. High accuracy and high stability.
Main Categories
1. HX-T61 series standard pressure transmitter (high-temperature version available upon customization);
2. HX-L61 series compact pressure transmitter (customizable high-temperature version);
3. HX‑T61A explosion-proof pressure transmitter (detailed specifications are presented in a separate section).
Working principle
When pressure is applied directly to the surface of the sensing diaphragm, it induces a minute deformation. A high‑precision circuit mounted on the diaphragm converts this tiny deformation into a highly linear voltage signal that is proportional to the pressure and also proportional to the excitation voltage. This voltage signal is then processed by a dedicated integrated circuit to generate either an industry‑standard 4–20 mA current output or a 1–5 V voltage output.
Performance
1. It is compatible with a wide range of measured media, capable of measuring oils, water, and pasty substances that are compatible with 316 stainless steel and 304 stainless steel, and exhibits a certain degree of corrosion resistance.
2. High accuracy and high stability; equipped with imported, original‑brand sensors that offer excellent linearity and superior temperature stability.
3. Compact size, lightweight, and easy to install, commission, and operate;
4. Fully enclosed stainless steel housing with excellent waterproofing;
5. The pressure sensor directly measures the pressure corresponding to the liquid level, unaffected by foaming or sedimentation of the measured medium.
Application
1. Hydraulic and Pneumatic Control Systems
2. Liquid Level Measurement and Control
3. Compressor
4. Air conditioner
5. Combined Heat and Power Units
6. Industrial Process Measurement and Control
7. Laboratory Pressure Calibration
Technical Specifications
- Pressure range: -100 kPa to 0 kPa to 100 MPa
- Overload capacity: 200% F·S
- Failure Pressure: 500%F·S
- Operating mode: Gauge pressure, absolute pressure
- Measuring medium: Media compatible with 316L stainless steel
- Wiring configuration: two-wire system, three-wire system
- Operating voltage: 24 VDC
- Extended operating voltage: 12–36 VDC
- Output signal: 4–20 mA, 1–5 VDC
- Accuracy class: 0.2, 0.5
- Temperature compensation range: -20 to 80°C
- Operating temperature range: -40 to 85°C
- Temperature drift: 0.03% F·S/°C
- Long-term stability: ≤0.1% F·S/year
- Supply current: ≤30mA
- Insulation resistance: ≥100 MΩ (100 VDC)
- Material: Stainless steel
- Electrical connection: M20×1.5
- Threaded connections: M20×1.5, M27×2, G1/2, G1/4
- Explosion-proof rating: ExiaIIBT4, ExdIIBT4
- Protection rating: IP65
关键词： High-Temperature Pressure Transmitter
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Address: No. 1, Building 1, Phase 1, Longding Enterprise Center, No. 36, Hongsong Road, High-tech Zone, Zhengzhou City
Phone:+86-0371-67560588
Email:848665210@qq.com
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