CR508S Digital Common Rail Pressure Tester & Simulator

Fast, Accurate & Safe Fuel Line Diagnostics

The CR508S is a portable common rail pressure tester and simulator, designed to make high-pressure fuel system diagnostics quicker, easier, and safer. Unlike mechanical gauges, it eliminates the need to remove fuel lines—preventing contamination, fuel leaks, and potential injector damage.

With its dual function of measuring and simulating common rail pressure, the CR508S goes beyond ordinary scanners, helping technicians quickly locate faults in the fuel line, high-pressure pump, or sensors. 

Key Features & Functions

Universal Sensor Compatibility

• Supports Bosch, Denso, and Delphi common rail pressure sensors.

• Automatically recognizes connected sensor type (no manual selection required).

Precision Measurement

• Range: 0–200 MPa (0–2,000 bar)

• Accuracy: ±0.1 MPa (±1 bar)

• Adaptive measurement mode for reliable real-time results.

Unique Simulation Capability

• Simulates common rail pressure signals for Bosch, Denso, and Delphi sensors.

• Enables fast fault isolation for fuel pumps, lines, and sensors.

• A feature not available in most universal scanners.

Safer Diagnostics

• No need to disassemble fuel lines or pipes.

• Prevents introduction of foreign matter, fuel leaks, or injector damage.

User-Friendly Design

• Compact, lightweight (<250g).

• Bright 84×48 LCD display.

• Plug-and-play operation with automatic sensor detection.

Technical Specifications

• Measurement & Simulation Range: 0–200 MPa (0–2000 bar)

• Display: 84 × 48 LCD screen

• Input Voltage: 8–36V

• Operating Current: <50mA

• Power Consumption: <0.2W

• Operating Temperature: 0–50°C

• Storage Temperature: –20 ~ 70°C

• Humidity Tolerance: 60% relative humidity

• Dimensions: 127 × 72 × 36 mm

• Weight: <250g

Package Includes

• CR508S Main Unit

• Common Rail Pressure Joints (male & female, connected in parallel)

• Power Cable

• User Manual

Why Choose the CR508S?

The CR508S isn’t just a tester—it’s a tester and simulator in one device. Its advanced simulation function gives you diagnostic capabilities beyond standard diagnostic scanners, saving time and costs while improving workshop efficiency.

Link to the Digital Common Rail Pressure Tester user manual 

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