HAND-HELD PRESSURE CALIBRATION PUMPS are widely used in many industrial fields because of their portability, high efficiency and precise control. The following are some typical application scenarios:
Field calibration in industrial processes:
The hand-held pressure calibration pump is suitable for calibrating pressure gauges installed on site in industrial processes and a variety of pressure gauges used in control rooms. They can provide a stable pressure source for the calibration table and ensure the accuracy of the measuring equipment. For example, in the petrochemical, energy, water and other industries, hand-held pressure calibration pumps are used to calibrate pressure transmitters, pressure sensors, and various pressure meters.
Laboratory and pressure instrument production process:
In the laboratory and in the production of pressure instruments, hand-held pressure calibration pumps are often used as pressure benchmarks. They can be paired with non-pressurized pressure calibrators or precision digital pressure gauges to provide a stable pressure source for calibrating pressure gauges, pressure transmitters, pressure switches and other pressure instruments.
Working at high altitudes and confined Spaces:
Due to its portable design, the hand-held pressure calibration pump can be easily carried into a variety of complex or restricted working environments, such as small equipment interiors, high-altitude work platforms or remote work sites. This high degree of portability greatly improves work efficiency and reduces the cost and time consumption of equipment handling.
Aerospace field:
In the aerospace sector, hand-held pressure calibration pumps are used for airtightness testing and pressure calibration of aircraft components. These tests are important for ensuring flight safety and performance.
Field commissioning and pressure test:
The hand-held pressure calibration pump can also be used with the general pressure gauge for field debugging pressure test in pressure process control. They play an important role in the calibration and verification of ordinary pressure gauge, precision pressure gauge and pressure transmitter.
In summary, the handheld pressure calibration pump is widely used in various scenarios requiring pressure testing and calibration due to its portability, high efficiency and precise control, providing a strong guarantee for the continuity and reliability of industrial production.

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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.