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Valhalla 4176 Manuals
Manuals and User Guides for Valhalla 4176. We have
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Valhalla 4176 manual available for free PDF download: Operation Manual
Valhalla 4176 Operation Manual (89 pages)
Programmable Micro-Ohmmeter
Brand:
Valhalla
| Category:
Measuring Instruments
| Size: 2 MB
Table of Contents
Table of Contents
7
Chapter 1 Inspection and Installation
10
Introduction
10
Inspection
10
Line Voltage/Fuse Selection
10
Bench Use
11
Rack Mounting
11
Safety Precautions
12
Chapter 2 Specifications
13
Standard Measurement Mode Specifications
13
Temperature Compensator Mode Specifications
14
General Specifications
15
Environmental and Power Requirements
15
Physical Specifications
15
Chapter 3 Getting Started
16
Introduction
16
Front Panel
16
Power Switch
16
Display
17
Range Selection Keys
17
Function/Numerical Keys
18
TCM Receptacle and Leds
19
HLC Leds
20
Remote LED
20
Source and Sense Binding Post
20
Rear Panel
21
Line Voltage Switch
21
Fuse Holder
22
Power Connector
22
HLC Relay Terminal
22
RS-232 Connector
23
Applying Power
24
Power-On Default Settings
24
Connecting a Load to the 4176
25
Range Selection
27
Overload and Safe Mode
27
Chapter 4 Measurements Modes and Functions
28
Standard Measurement Mode
28
Tcm" - Temperature Compensated Measurement Mode
29
Omni Compensator
30
Tcm on
30
TCS - Temperature Compensator Setup
30
TCC - Temperature Compensator Calibration
33
HLC" - Hi-Lo Comparator Mode
34
HLC Relay Terminal
34
Setting the Limits
35
Hlc on
36
Update Function
37
Setting the Display Update Rate and Intensity
37
Run/Hold Function
38
Configuring the Run/Hold Function
39
Print/Log Function
40
Configuring the Print/Log Function
41
View Function
42
Using the View Function
42
Chapter 5 Optional Features and Accessories
45
Options
45
BCD: Data Output
45
Gpib
45
Usb
45
Accessories
46
Omni Compensator
46
Option R: Rack Mount Adapter
46
Test Leads
47
Alligator Clip Type Leads
47
Needle Type Probes
48
Surface Probes
49
Other Lead Sets
50
Chapter 6 Remote Interface
51
Introduction
51
Connecting the 4176 Via Gpib Interface
51
The GPIB Interface Capabilities
51
Notes for GPIB Installation
52
Computer's Connection
52
The GPIB Connection Testing
52
Connecting the 4176 Via Rs232 Interface
53
The RS232 Interface Capabilities
53
Notes for RS232 Installation
53
Connecting to a Computer
55
Checking Connections
55
Input and Output Queue
56
Commands and Syntax
56
RS232 Message Terminators
56
Entering Commands
56
Command Characters
56
Combining Commands
56
Synopsis of Commands
57
Details of Command Reference
57
Command Index
57
Chapter 7 Bcd Interface
72
General
72
Bcd Pin Assignments
72
Chapter 8 Routine Maintenance
75
General
75
Required Test Equipment
75
Pre-Calibration Procedure
75
4176 Calibration Procedure
76
Standard Calibration
76
Periodic Maintenance
81
Chapter 9 Special Procedures
82
Noisy Readings
82
Inductive Loads
82
Chapter 10 Theory of Operation
83
Localizing the Problem
83
Component Replacement
83
General Circuit Descriptions
84
Troubleshooting
85
Current Source Detailed Circuit Descriptions
86
Power Supplies
86
Constant-Current Source
87
Micro-Controller Board Detailed Circuit Descriptions
88
Micro-Controller
88
Over-Voltage Protection
88
Tcm
89
Reset
89
Reference
89
Download/Normal Switch
89
RS-232/Display Switch and RS 232 Driver/Receiver
89
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