.....obsolete user manuals, a lot of repair manuals, free service manuals, rare schematic diagrams, usefull service instructions, pdf books, how to repair instructions, lost operating manuals, old handbooks, tons of part lists, hidden service bulletins, your instruction books, informative repair tips, complete disassembly routines.....


What are you looking for?

extended search


Keithley 242 Power supply
Manufacturer:
Model:
242
Date:
1965
Class:
Type:
SubType:
REGULATED HIGH VOLTAGE SUPPLY

Information

The Keithley model 242 Regulated High Voltage Supply provides accurate, stable outputs between 300 and 3500 volts dc. Accuracy is -0.1% for all loads up to 25 milliamperes. Stability is 20.01% for six months after a 30-minute warm-up. Line regulation is within ?O.OOS% for a 10% change in line voltage, and load regulation is within +/- O.OOS% from zero to full load.

show more

Service and User Manual
Manual type:
Service and User Manual
Pages:
28
Size:
1.38 Mbytes (1447944 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2012 05 27
MD5:
44e49f140bc75a86188128d789d571f2
Downloads:
759

Information

GENERAL DESCRIPTION ... 1 l-1. General ... 1 1-2. Features ... 1 l-3. Applications ... 1 1-4. Specifications ... 2 1-5. Accessories ... 2 l-6. Equipment Received ... 2 OPERATION. ... 3 2-1. Front Panel Controls and Terminals ... 3 2-2. Operating Procedures ... 4 2-3. Overloads ... 4 2-4. Floating Operation ... 4 CIRCUIT DESCRIPTION ... 5 3-l. General ... 5 3-2. AC Control Circuits ... 5 3-3; Low and High Voltage Supplies 5 3-4. Regulator Circuit ... 6 SERVICING. ... 7 4-1. General ... 7 4-2. Servicing Schedule ... 7 Section Page 5. 6. 4-3. Parts Replacement ... 7 4-4. Troubleshooting ... , , 8 4-6. Correcting for No Output , . 9 4-7. Correcting for Inaccurate Voltage Output ... 9 4-a. Bias Adjustment , ... .lO 4-9. Improperly Working Overload .lO CALIBRATION ... .ll 5-1. General ... .ll 5-3. Output Calibration ... .ll REPLACEABLE PARTS ... .17 6-l. Replaceable Parts List . . .17 6-2. How to Order Parts ... .17 model 242 Replaceable Parts List ... .~ .18 model 242 Schematic Diagram 14661D ... .25 '*Change Notice QkYellow Change Notice sheet is included only for instrument modifications affecting the Instruction Manual.

show more

Add Comment

* Required information

Comments

No comments yet. Be the first!