The Parker Service Junior SCJR-5800-02 is a high-precision, portable digital pressure gauge designed for reliable measurement, calibration, and testing in various industrial and workshop environments. As part of Parker’s esteemed “SensoControl” line, it represents a blend of German engineering, ruggedness, and user-friendly operation.
It is ideally suited for technicians and service personnel working on hydraulic and pneumatic systems, for plant and machine maintenance, and for quality control tasks.
Key Features & Benefits
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High Accuracy: Typically offers an accuracy of ±0.5% full scale (F.S.) or better, providing reliable and trustworthy readings that surpass traditional analog gauges.
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Rugged and Portable Design:Â Built to withstand the demands of a workshop or field service. It features a robust housing that is often oil and solvent-resistant, making it suitable for harsh environments.
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Multiple Pressure Units: Allows the user to switch between a variety of pressure units (e.g., bar, psi, MPa, kg/cm²) at the touch of a button, eliminating the need for manual conversion.
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Peak Hold Function (Max Value):Â This function captures and holds the maximum pressure value reached during a test cycle. This is crucial for diagnosing system peaks and for calibration purposes.
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Tare / Zero Function:Â Allows the user to reset the display to zero at any point, which is useful for measuring relative pressure or compensating for environmental factors.
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Long Battery Life:Â Powered by standard, long-lasting batteries (typically AA or AAA), ensuring extended operation in the field without the need for a constant power source.
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Large, Easy-to-Read LCD Display:Â The digital screen provides a clear, unambiguous reading, even in low-light conditions, reducing the potential for parallax errors common with analog dials.
Technical Specifications (Typical for this Model Series)
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Model:Â SCJR-5800-02
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Manufacturer:Â Parker Hannifin
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Brand Line:Â SensoControl / Service Junior
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Pressure Type:Â Gauge Pressure (relative to atmospheric pressure)
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Accuracy: Typically ±0.5% F.S. (Confirm specific datasheet for exact value)
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Pressure Range: The “-02” in the model number likely indicates a specific pressure range. Common ranges in this series are 0…100 bar, 0…400 bar, etc. The exact range must be verified from the product label or datasheet.
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Display:Â Digital LCD
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Power Supply:Â Battery-operated (e.g., 2 x AA batteries)
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Process Connection: Standard G¼ (¼” BSP) male thread, which is common for hydraulic and pneumatic test points.
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Housing:Â Durable, ergonomic plastic composite.















