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Help CenterHigh-precision Pressure and Head Measurement Instruments Specifically Designed for Use With Pump Motors
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I. Product Overview
The pressure-head measuring instrument is a high-precision testing instrument specifically designed for use with comprehensive test benches for water pumps, electric pumps and cooling fan motors. It can simultaneously measure inlet and outlet pressures in the pipework and automatically calculate real-time head values, and is widely used in conjunction with factory testing equipment for pumps and laboratory type-test systems. Equipped with a high-precision signal acquisition chip, the instrument is highly resistant to fluctuations in pipeline fluid flow and electromagnetic interference in the workshop, ensuring stable measurement data with excellent repeatability. It can be integrated with flow and speed meters and three-phase electrical parameter analysers to collect a complete set of test data, automatically calculating head, pressure differential and pressure deviation. It is an indispensable core measuring instrument for the performance testing of pump products.
II. Core Measurement Functions
1. Simultaneous multi-channel pressure acquisition: Simultaneously acquires multiple pressure signals—including inlet pressure, outlet pressure, tank pressure and atmospheric pressure—and displays raw pressure values in real time, with support for seamless switching between MPa, kPa and bar units.
2. Automatic Head Calculation: Equipped with a dedicated calculation programme, it automatically calculates real-time head based on the inlet and outlet pressure differential, eliminating the need for manual conversion, whilst simultaneously recording standard head data under rated operating conditions.
3. Automatic Analysis of Pressure Differential and Deviation: The system automatically calculates the inlet and outlet pressure differential and compares it with standard parameters to determine head deviation and pressure deviation, enabling rapid assessment of whether the pump’s sealing and hydraulic performance meet specifications.
4. Real-time Data Transmission and Storage: Equipped with standard communication interfaces, it can interface with industrial control computers, PLCs and testing software to upload pressure and head data in real time. It automatically saves each set of test records and supports curve plotting, report export and printing.
5. Suitable for Cavitation Test Conditions: Supports negative pressure (vacuum) data acquisition, suitable for testing the pump’s cavitation margin. It accurately monitors changes in vacuum pressure at the inlet and captures critical cavitation states.
III. Core Product Advantages
1. High measurement accuracy, meeting high-standard testing requirements. Equipped with a high-precision pressure sensor and data acquisition module (0.1% FS), the instrument offers excellent accuracy control and can precisely capture even minute pressure fluctuations. It fully complies with the accuracy requirements for pump type testing and factory quality inspection, and the test data can be used for factory audit and registration purposes.
2. Single unit handles both positive and negative pressures, offering high versatility. It supports both high-pressure pressurisation and vacuum/negative pressure testing, covering routine performance tests and cavitation tests; the measurement range can be customised according to the customer’s pipeline pressure resistance requirements, making it suitable for testing the full range of products from small electronic pumps to high-power industrial water pumps.
3. Simple operation, suitable for assembly line batch testing. High-definition dual-display interface with pressure and head values displayed simultaneously on separate screens; built-in parameter calibration function enables one-click sensor coefficient calibration; ordinary workers can operate the system independently after minimal training, significantly enhancing batch testing efficiency.
4. Industrial-grade interference resistance ensures stable, long-term continuous operation; utilises isolated signal processing circuits to effectively suppress pump start-stop surges, pipeline flow pulsations and electromagnetic interference from workshop motors; the metal protective housing is dustproof and shock-resistant, enabling 24/7 uninterrupted operation and adapting to complex workshop production environments.
5. Seamless integration with complete test systems. It can be linked with flow and speed measuring instruments and three-phase electrical parameter analysers to simultaneously collect a full set of electrical, flow and pressure data. The software automatically fits the head-flow performance curve, enabling fully automated, unattended testing.
V. Applicable Scenarios:
Primarily used in conjunction with comprehensive performance testing systems for electronic pumps, cooling water pump test benches, fan motor testing equipment, and various types of centrifugal and vortex pump type test benches. Suitable for factory-exit 100% inspections, sampling quality inspections, new product R&D calibration and cavitation performance testing of automotive electronic water pumps, new energy cooling pumps, domestic circulation pumps and industrial water supply pumps. Widely used in quality control workshops at pump manufacturing plants, automated component laboratories, and fluid testing platforms at research institutions and universities.
VI. Support Services and Guarantees:
Supports bespoke customisation of measurement ranges, communication protocols and reporting functions, and can be integrated with existing test bench control systems; provides factory calibration of instruments and hands-on training for operators, alongside long-term online technical guidance and equipment maintenance services to ensure consistently high-precision and stable testing over the long term.
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