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

Computers and Control Systems: Tools and Equipment

Quick Test

1. Scale type analog voltmeter (0 to 20 volts DC), or STAR tester.
2. Jumper wire.
3. Vacuum gauge (0 to 30 inches Hg).

Pinpoint Tests

1. Tachometer (0 to 3000 RPM).
2. Vacuum pump (0 to 25 inches Hg).
3. Digital voltmeter (input impedance 10 meg. ohms or more; Rotunda T79L-50-DVOM or equivalent).