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Product Description
Basic Principles
The definition of pressure is the ratio of force on a certain area to that area. The core component is an extremely accurate piston system component, which is loaded with weights to generate the pressure required for the measurement. Both the piston cylinder and the piston rod are made of carbide. This material has extremely low compression deformation and thermal expansion coefficient, which ensures that the cross section of the piston has a good linearity, which makes the accuracy of the instrument very good.
The instrument directly measures the pressure by definition (P=F/S), and the piston system uses high-quality carbide materials, so that the instrument has a very small measurement uncertainty and a long-term stability with a validity period of more than 5 years.
Use environment and selection parameters
1. Use environment: Ambient temperature: (20±1)℃
Relative humidity: constant temperature room below 85%
Power supply voltage: AC 220V
Frequency: 50HZ
There should be no mechanical vibration affecting the metering performance during use
2. Selection parameters of piston pressure gauge
XyQ-60 gas Deadweight tester
Weight configuration table
Functional characteristics
1. The gas piston pressure gauge uses dry pure air or pure nitrogen as the gas source, and the equipment to be inspected is not polluted. It is mainly aimed at clean laboratories, medical industry products and products with high pollution protection levels, etc., with high safety requirements. Place design, simpler and safer.
2. Patented piston pressure system components, novel structure, anti-collision, tool-free disassembly, easy to clean the piston system, replace the sealing ring, convenient, fast and safe.
3. The performance of the pressure regulating system is better than that of the oil pressure regulating system, the pressurization process is easy, it is not easy to leak pressure, and it is maintenance-free.
4. The piston display system adopts a 3.5-inch color display screen, which displays the displacement of the piston rod, the temperature and humidity on site.
5. Equipped with two quick interfaces (M20×1.5) of the meter seat, with a stop valve, which can be used for sealing test.
6. The globe valve and pressure regulator are maintenance-free and easy to operate. Reasonable handle design, personalized design according to the hand posture.
7. The main body shell is made of 12mm thick aluminum alloy plate, which is firm and stable.
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Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.
Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.
| Pressure Types | Gauge, absolute, negative pressure, differential pressure |
|---|---|
| Measuring Range | From low differential pressure to high pressure ranges up to 100 MPa, depending on model |
| Output Signals | 4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options |
| Accuracy | Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS |
| Process Connection | M20 x 1.5, G1/4, G1/2, NPT and customized thread connections |
| Wetted Materials | Stainless steel, 316L diaphragm and corrosion-resistant sealing options |
| Media | Water, oil, gas, air, steam and compatible liquid or gas media |
| Applications | Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems |
A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.
Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.
Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.
Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.


