Apparatuur informatie:

Keithley 1801 Ander
Fabrikant:
Keithley
Model: 1801
Datum: 1993
Categorie: Meetinstrumenten
Groep: Ander
Beschrijving: Nanovolt Preamp
Informatie:
                                    

Deze handleidingen zijn beschikbaar voor deze typen materieel:

Keithley -- 1801 -- Service-en gebruikershandleiding
File name: Keithley-3510-Manual-Page-1-Picture
Handleidingen Type: Service-en gebruikershandleiding
Pagina's: 93
Maat: 2.11 Mbytes (2211697 Bytes)
Taal: Engels
Herziening van: Third printing
Manual-ID/Number: 1801-901-01
Datum: April 1999
Kwaliteit: Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
MD5: 7b1ec535ac0216aede003ebb7e8b1c31
ed2kID: 183739cb74343ad4d6c66aa9dde04408
Downloads: 192 sinds 20 May 2012
Informatie:
1 General Information
1.1 Introduction .................................................................................................................................................... 1-1
1.2 Features .......................................................................................................................................................... 1-1
1.3 Warranty information ..................................................................................................................................... 1-1
1.4 Manual addenda ............................................................................................................................................. 1-2
1.5 Safety symbols and terms ............................................................................................................................... 1-2
1.6 Specifications ................................................................................................................................................. 1-2
1.7 Unpacking and inspection ............................................................................................................................... 1-2
1.7.1 Inspection for damage ........................................................................................................................... 1-2
1.7.2 Shipment contents ................................................................................................................................. 1-2
1.7.3 Instruction manual ................................................................................................................................ 1-2
1.8 Repacking for shipment ................................................................................................................................. 1-2
1.9 Model 2001 compatibility ............................................................................................................................... 1-3
1.10 Optional accessories ....................................................................................................................................... 1-3
2 Installation
2.1 Introduction .................................................................................................................................................... 2-1
2.2 Card configuration ......................................................................................................................................... 2-2
2.2.1 Preamplifier module .............................................................................................................................. 2-2
2.2.2 Power supply card ................................................................................................................................ 2-3
2.3 Power supply card preparation ........................................................................................................................ 2-4
2.4 Power supply card installation and removal ................................................................................................... 2-5
2.4.1 Card installation .................................................................................................................................... 2-5
2.4.2 Card removal ........................................................................................................................................ 2-5
2.5 Connections .................................................................................................................................................... 2-6
2.5.1 Power supply connections ..................................................................................................................... 2-6
2.5.2 Output connections to multimeter ......................................................................................................... 2-7
2.5.3 Input signal connections ........................................................................................................................ 2-7
2.6 Operating considerations ................................................................................................................................ 2-9
2.6.1 Using the thermal isolation container .................................................................................................... 2-9
2.6.2 Minimum operating distance ................................................................................................................. 2-9
3 Operation
3.1 Introduction .................................................................................................................................................... 3-1
3.2 Preamplifier operation ................................................................................................................................... 3-1
3.2.1 Power-up detection ............................................................................................................................... 3-1
3.2.2 Preamplifier configuration menu ........................................................................................................... 3-2
3.2.3 Enabling Model 1801 operation ............................................................................................................ 3-2
3.2.4 Preamp ON/OFF states .......................................................................................................................... 3-2
3.2.5 Preamplifier filtering ............................................................................................................................. 3-4
3.2.6 Operational differences ......................................................................................................................... 3-5
3.2.7 IEEE-488 bus operation ........................................................................................................................ 3-7
3.3 Measurements ................................................................................................................................................ 3-7
3.3.1 DC voltage measurements ..................................................................................................................... 3-7
3.3.2 AC voltage measurements ..................................................................................................................... 3-9
3.3.3 Four-wire resistance measurements .................................................................................................... 3-11
3.3.4 Frequency measurements .................................................................................................................... 3-11
3.3.5 Differential thermocouple temperature measurements ....................................................................... 3-14
3.4 Measurement considerations ......................................................................................................................... 3-18
3.4.1 Thermoelectric potentials .................................................................................................................... 3-18
3.4.2 Source resistance noise ........................................................................................................................ 3-20
3.4.3 Magnetic fields ................................................................................................................................... 3-21
3.4.4 Electromagnetic interference (EMI) .................................................................................................... 3-22
3.4.5 Ground loops ...................................................................................................................................... 3-22
3.4.6 Shielding ............................................................................................................................................. 3-22
4 Performance Verification
4.1 Introduction .................................................................................................................................................... 4-1
4.2 Environmental conditions ............................................................................................................................... 4-1
4.3 Warm-up period ............................................................................................................................................. 4-2
4.4 Line power ..................................................................................................................................................... 4-2
4.5 Recommended test equipment ........................................................................................................................ 4-2
4.6 Verification limits .......................................................................................................................................... 4-2
4.7 Restoring default conditions ........................................................................................................................... 4-3
4.8 Verification procedures .................................................................................................................................. 4-3
4.8.1 DC volts verification ............................................................................................................................. 4-3
4.8.2 AC volts verification ............................................................................................................................. 4-6
4.8.3 Resistance verification .......................................................................................................................... 4-6
5 Service Information
5.1 Introduction .................................................................................................................................................... 5-1
5.2 Calibration ..................................................................................................................................................... 5-1
5.2.1 Environmental conditions ..................................................................................................................... 5-1
5.2.2 Warm-up period ................................................................................................................................... 5-1
5.2.3 Line power ............................................................................................................................................ 5-2
5.2.4 Recommended calibration equipment ................................................................................................... 5-2
5.2.5 Offset adjustments ................................................................................................................................ 5-2
5.2.6 Normal calibration ................................................................................................................................ 5-4
5.2.7 Gain constants calibration ..................................................................................................................... 5-9
5.3 Principles of operation ................................................................................................................................. 5-10
5.3.1 Block diagram ..................................................................................................................................... 5-10
5.3.2 Preamplifier module ............................................................................................................................ 5-10
5.3.3 Power supply cable .............................................................................................................................. 5-10
5.3.4 Power supply card ............................................................................................................................... 5-10
5.4 Special handling of static-sensitive devices .................................................................................................. 5-12
5.5 Troubleshooting ........................................................................................................................................... 5-12
5.5.1 Troubleshooting equipment ................................................................................................................. 5-12
5.5.2 Troubleshooting access ........................................................................................................................ 5-12
5.5.3 Troubleshooting procedure .................................................................................................................. 5-12
6 Replaceable Parts
6.1 Introduction .................................................................................................................................................... 6-1
6.2 Parts lists ........................................................................................................................................................ 6-1
6.3 Ordering information ..................................................................................................................................... 6-1
6.4 Factory service ............................................................................................................................................... 6-1
6.5 Component layouts and schematic diagrams .................................................................................................. 6-1
A Specifications
B Calibration Programs
Introduction ................................................................................................................................................... B-1
Program requirements ................................................................................................................................... B-1
General program instructions ......................................................................................................................... B-1
C IEEE-488 Bus Command Summary
Keithley-3510-Manual-Page-1-Picture
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