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CRI325 Dual-Channel Full-Function Common Rail Injector Tester for Solenoid and Piezo
The CRI325 is a flagship, dual-channel high-pressure common rail injector tester designed for professional diesel laboratories. It stands out by supporting simultaneous driving of two injectors, covering a vast range of electromagnetic (coil) and piezoelectric models from Bosch, Denso, Delphi, Caterpillar, and Siemens. Featuring a high-definition 4-inch LCD screen, the CRI325 integrates advanced diagnostic functions such as CRIN4 double valve actuation, AHE dynamic stroke measurement, and specialized Siemens valve air gap measurement. Whether you need to test resistance, inductance, capacitance, or insulation, the CRI325 provides a complete electrical and mechanical health profile for modern diesel injection systems.









Dual-Channel Synchronous Driving: Capable of driving two injectors or dual-valve injectors (like CRIN4) simultaneously for enhanced diagnostic efficiency.
Full Brand & Type Support: Compatible with Bosch 110/120, Denso 60V/80V/120V, Delphi, CAT-L/H, and all major Piezo injectors.
Advanced Siemens Gap Measurement: Dedicated mode for measuring Siemens valve air gaps, essential for precision piezo reconditioning.
Comprehensive Electrical Testing: Built-in sensors for measuring resistance, inductance (coil), and capacitance (piezo) with high accuracy.
AHE & Insulation Testing: Supports dynamic lift (AHE) measurement and high-voltage insulation checks to identify internal structural failures.
Rich Operating Conditions: Pre-set with multiple working modes including CL, VL, TL, VE, and LL to simulate real engine performance.
High-Definition Interface: The 4-inch LCD displays multiple parameters on one screen, reducing menu switching and improving workflow speed.
| Technical Specification | Details (Model CRI325) |
|---|---|
| Number of Channels | Dual Channel (2CH) |
| Injector Compatibility | Solenoid (Electromagnetic) & Piezoelectric |
| Dual-Valve Support | CRIN4, PIEZO-2 |
| Measurement Functions | Resistance, Inductance, Capacitance, AHE, Insulation, Air Gap |
| Display | 4-inch High-Definition LCD Screen |
| Working Modes | CL, VL, TL, VE, LL, USER1, USER2 |
| Power Supply | AC 100 ~ 240 V (Global Compatibility) |
| Safety Protection | Short-circuit, Over-current, and Insulation Monitoring |



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