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The P650 Mechanical Direct Leak Tester is a direct-pressure decay instrument designed for sealing verification on automotive production lines. It uses the direct pressure method to measure pressure loss over a defined test cycle, converting the decay value into a leakage rate for pass/fail judgment. Pressure is set manually via a physical regulation knob on the front panel, allowing line operators to adjust test pressure without navigating digital menus. The instrument operates on DC24V supply and supports test pressures from 20 kPa up to 1600 kPa across selectable ranges, covering low-pressure sealing checks for automotive hoses and connectors as well as higher-pressure component tests.
The P650 mechanical model adjusts test pressure through a dedicated knob on the instrument panel. Operators turn the knob to set the desired test pressure, and the current value is displayed on the 5.6-inch industrial resistive touchscreen. This knob-based method suits production lines where pressure settings change frequently between product batches, as the adjustment is immediate and does not require menu navigation or password access.
The instrument resolves pressure at 0.001 kPa with three decimal places on the display, and its measurement resolution reaches 0.1 kPa. It supports four measurement patterns: leakage mode, reduction mode, blockage mode, and fatigue mode, selectable based on the test object. Built-in automatic zero-point offset correction and a temperature compensation module reduce drift caused by ambient temperature changes during extended production shifts.
The 5.6-inch color LCD resistive display (640×480 resolution) provides access to 64 parameter channels, each storing independent test settings for different product SKUs. Channel names can be entered manually in both Chinese and English characters. The instrument supports three start methods: touchscreen tap, pre-set QR code scanning, and external signal trigger through the I/O terminal. It does not include wireless remote control; all external activation is handled via wired I/O or network commands.
Up to 50,000 test records are stored internally, queryable by date or channel number. Data can be exported in Excel format through USB, Ethernet, or RS485 ports. Communication options include Ethernet, RS232, and RS485. The instrument provides 16 input and 16 output I/O channels for PLC connection and direct driving of external devices such as clamping cylinders. It supports label printers and specific QR code/barcode scanners. A sound and touchscreen indicator alarm signals test failures, and a pressure-hold function allows soap-bubble visual inspection by maintaining pressure after the test cycle.
The P650 mechanical model serves automotive component manufacturing lines where operators need to switch test pressure frequently between parts. Typical test objects include engine intake manifolds, cooling system connectors, brake fluid reservoirs, fuel line fittings, lamp housings, and battery enclosure seals. The 20 kPa low-pressure option accommodates delicate components such as plastic sensor housings where over-pressurization risks deformation. The 16 I/O channels enable integration with existing PLC-controlled assembly lines, and the 64 parameter channels allow one instrument to serve multiple workstations with different part numbers. Excel data export supports quality traceability requirements in automotive supplier audits.
Test pressure is set manually by turning the physical regulation knob on the front panel. The current pressure value is shown on the 5.6-inch touchscreen. There is no digital input field for pressure setting on this model.
The mechanical model uses a physical knob for pressure adjustment and supports a 20 kPa low-pressure range. The electronic model sets pressure via touchscreen digital input, has no physical regulation knob, and starts at 50 kPa test pressure. Both models share the same display, I/O, and data storage specifications.
Yes. The P650 provides 16 input and 16 output I/O channels, supports Ethernet, RS232, and RS485 communication, and can be triggered by external signals. It does not support wireless remote control; all line integration is via wired connections.
The instrument stores up to 50,000 test records internally, queryable by date or parameter channel. Data can be exported in Excel format via USB, Ethernet, or RS485 for quality reporting and traceability.
