Keithley 177 Microvolt DMM Manuals

Manuals and User Guides for Keithley 177 Microvolt DMM. We have 2 Keithley 177 Microvolt DMM manuals available for free PDF download: Instruction Manual

Keithley 177 Instruction Manual (54 pages)

Microvolt DMM and battey pack

Brand: Keithley | Category: Multimeter | Size: 2 MB

Table of Contents
3
Introduction
7
Manualaddenda
7
Model 177 Features
7
Safety Precautions
7
Safety Symbols and Terms
7
Section I-General Information
7
Specifications
7
Warranty Information
7
Cables and Connectors
8
- Probes and Shunts
  8
Schematic Diagram
8
- Section 2-Operation
  9
Scope of Model 177 Instruction Manual
8
- Power Options
  8
Unpacking and Inspection
8
Battery Charging
9
Introduction
9
Operation on Battery Pack Power
9
Operationon Linepower
9
Preparation for Use
9
Line Voltage Instrument
10
Dcvoltage Measurement
11
Operatinglnstructions
11
Zero Adjustment
11
Model 177 DMM Condensed
12
Operating Instructions
12
Operating Controls
13
Resistance(O) Measurement
14
Accurrentmeasurement
15
Dccurrentmeasutement
15
Analog Output
16
- Section 3-Performance Verification
  17
TRMS Measurements (AC + DC)
16
Environmental Condltlons
17
For Performance Verification
17
Introduction
17
Recommended Test Equipment
17
Recommendedtestequipment
17
Acvoltage Accuracy Check
18
Resistance (N Accuracy Check)
18
Accuracy Check
19
- Section 4-Theory of Operation
  21
Analysis
19
Aidconverter
21
Introduction
21
Overalloperation
21
Rangeswitching
21
Signal Flow Block Diagram
21
Signalconditioning
21
Acconversion
22
Acconverter
22
Ohmsconversion
22
Scaling
22
DC Signal Conditioning
23
Dcsignalconditioning
23
Inputattenuation
23
Analogoutput
24
Chopper
24
Clock
24
Ohmsconversion
24
Auto-Zero
25
Reference-Integrate
25
Acpowersupply
26
Batterychargingcircuit
26
- Section 5-Maintenance
  27
Display
26
Calibration Instructions
27
Calibrationprocedure
27
For Calibration
27
Introduction
27
Recommendedtestequipment
27
Warm-Up
27
Troubleshooting
28
Acconverter
30
Battery Power
30
Currentshunts
30
Displayanda/Dconverter
30
Linepower
30
Fusereplacement
31
Line Power Checks
32
- Section 6--Replaceable Parts
  39
Componentlocationdrawings
39
Display Board PC-475
39
Factoryservice
39
Introduction
39
Maintenancekit
39
Model 177 PC-476, Component
39
Orderinglnformation
39
Partslist
39
Schematicdiagrams
39
Display
47

Keithley 177 Instruction Manual (54 pages)

Microvolt DMM, Battery Pack

Brand: Keithley | Category: Measuring Instruments | Size: 1 MB

Table of Contents
3
Preparation for Use
9
Operation on Line Power
9
Operation on Battery Pack Power
9
Battery Charging
9
Operating Instructions
11
Zero Adjustment
11
DC Voltage Measurement
11
Resistance
12
(Fi) Measurement
13
DC Current Measurement
15
AC Current Measurement
15
TRMS Measurements {AC + DC)
16
Analog Output
16
Tilt Bail Adjustment
16
Introduction
17
Recommended Test Equipment
17
Initial
17
Conditions
17
AC Voltage Accuracy Check
18
Resistance
18
Accuracy Check
18
Section 4-Theory of Operation
21
Introduction
21
Overall Operation
21
Signal Conditioning
21
A/D Converter
21
Range Switching
22
AC Converter
22
Scaling
22
DC Signal
22
Conditioning
23
Input Attenuation
23
Chopper
23
Ohms Conversion
24
Chopper
24
Analog Output
24
Clock
24
A/D Converter
24
Auto-Zero
25
Reference-Integrate
25
Display
26
AC Power Supply
26
Model 1788 Battery Pack
26
Circuit
26
Section 5- Maintenance
27
Introduction
27
Warm-Up
27
Troubleshooting
28
Troubleshooting Procedure
28
Calibration Shield/Battery Pack Removal
28
Battery Power
28

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Keithley 177 Microvolt DMM Manuals

Keithley 177 Instruction Manual (54 pages)

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Keithley 177 Instruction Manual (54 pages)

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