* Checks direct/indirect-injection commercial, industrial-duty, marine engines
* Simple, easy operation
* Checks compression even during cranking
* Compact adapters for quick, secure coupling
* Built-in pressure relief valve for repeated test without disassembly
* Flexible hose (355mm) to easily reach plug and injector ports
* Dual-scaled 83mm dia. gauge (0~1000 psi / 0~70 bar)