Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Compression Check

Compression Pressure For More Details Refer to Article under Compression Check; Testing and Inspection.	Maximum/Low	924 Kilopascal (kPa)
	High	1724 Kilopascal (kPa)
	Minimum/Low	696 Kilopascal (kPa)
	High	1289 Kilopascal (kPa)
	Maximum Diffference Between Cylinders	75 Percent