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121GW
EEVBlog 121GW Manuals
Manuals and User Guides for EEVBlog 121GW. We have
3
EEVBlog 121GW manuals available for free PDF download: User Manual, How To Replace
EEVBlog 121GW User Manual (76 pages)
Test equipment
Brand:
EEVBlog
| Category:
Multimeter
| Size: 10 MB
Table of Contents
Table of Contents
2
Contact
7
Glossary of Terms
8
Change Log
9
General
10
FCC/IC Information
10
Information to the User
10
Introduction
11
Multimeter Features
12
Summary
12
Logging Capabilities
12
Mechanical
12
Software
12
Batteries
12
Specifications
13
General
13
DC & AC Voltage
14
Current
15
Resistance & Capacitance
15
Diode
15
Frequency & Duty Cycle
16
Temperature & Continuity
16
Bluetooth
17
Standards
18
Compliance Symbols
18
IEC Standards
18
ANSI Standards
18
Safety (EN)
19
Sécurité (FR)
21
Symbols
23
Meter Overview
24
Front
24
Figure 1 Front Panel
24
Back
25
Figure 2 Back View
25
Display Screen
26
Rotary Switch
26
Figure 3 Display Screen
26
Figure 4 Rotary Switch
26
Keypad
27
Input Terminals
28
Low Z
29
Vaa
29
Off
29
Ω
29
Temp MV
29
Positions & Modes
29
AVA Mva/Va VA
29
Mva/Va VA
29
Low Z V
29
Mva/Va
29
Offv
30
Temp
30
Ω Mva/Va
30
MV Hz
30
Temp
30
Low Z
30
A Ma
30
Ma a
30
Ava
30
Ms % MV
32
Taking Measurements
32
Voltage
32
DC Voltage
32
Figure 5 Measuring on the DC V Range
32
AC Voltage
33
Figure 6 Measuring on the AC V Range
33
Dbm Measurement
34
Figure 7 Dbm Measurement Display
34
Figure 8 Dbm Measurement Calculation
34
DC + AC Volts
35
Figure 9 Measuring on the DC + AC V Range
35
DC MV & AC MV
36
Figure 10 Measuring on the DC MV Range
36
Low Z DC Voltage
37
Figure 11 Measuring on the Low Z Range
37
Current
38
DC Amps / DC Milliamps
38
Figure 12 Measuring on the DC A/Ma Range
38
AC Amps / AC Milliamps
39
Figure 13 Measuring on the AC A/Ma Range
39
DC Μa & AC Μa
40
Figure 14 Measuring on the Μa (Microamps) Range
40
Burden Voltage
41
Low Burden TM Feature
41
Figure 15 Lead Configuration for Measuring Burden Voltage on the a / Ma Mode
42
Figure 16 Lead Configuration for Measuring Burden Voltage on the Μa Range
42
A Practical Example of Measuring Current
43
Figure 17 Practical Example of How to Connect Leads When Measuring Current
43
Power (VA)
44
Connections Overview
44
Figure 18 the Correct Electrical Connections for Making Measurements on Power (VA) Modes
44
DC & AC Mva/Va
45
Figure 19 Meter Terminals to Use When Measuring on
45
DC Μva & AC Μva
46
Figure 20 Meter Terminals to Use When Measuring on
46
The DC Μva & AC Μva Modes
46
Temperature
47
Figure 21 Measuring in the Temperature Mode
47
Resistance
48
Figure 22 Measuring on the Resistance Range
48
Continuity & Cable Break
49
Figure 23 Measuring on the Continuity Range
49
Diodes
51
Capacitance
52
Zeroing out the Meter
52
Figure 24 Measuring on the Capacitance Range
52
Frequency
53
Figure 25 Measuring on the Frequency Range
53
Period
54
Duty Cycle
55
Other Measurement Functions
56
Manually Changing a Range
56
Measurement Holds
56
Manual Hold
56
Automatic Hold
56
REL (Relative Measurement)
56
Min / Max / Avg
57
Backlight
58
Data Logging
59
Bluetooth
60
Setup Menu
61
Maintenance
64
Debugging
64
Cleaning & Storage
64
Fuse Replacement
65
Calibration
66
Firmware Update
70
Warranty
71
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EEVBlog 121GW User Manual (64 pages)
Brand:
EEVBlog
| Category:
Multimeter
| Size: 3 MB
Table of Contents
Table of Contents
2
Contact
5
Glossary of Terms
6
Change Log
7
General
8
FCC/IC Information
8
Information to the User
8
Introduction
9
Features
10
Specifications
12
General
12
Voltage Measurement
14
Current Measurement
15
Resistance & Capacitance Measurement
16
Diode Measurement
16
Frequency & Duty Cycle Measurement
17
VA Measurement
17
Temperature & Continuity
18
Bluetooth Specifications
19
Standards
20
Compliance Symbols
20
IEC Standards
20
ANSI Standards
20
Safety
20
Warning
21
Caution
24
Operation
25
Measuring
30
Voltage
30
Temperature
32
Current
34
Burden Voltage
36
Resistance
37
Continuity Testing
38
Cable Break Testing
39
Capacitance
40
Frequency
41
Duty Cycle
42
Period
43
Diode Measurement
44
Power (VA)
46
Data Logging
47
Backlight
48
Bluetooth
48
Measurement HOLD
49
Relative Measurement (REL)
50
Min/Max/Avg
51
Setup Menu
52
Temperature
53
Battery Voltage
53
Auto Power off (APO)
53
LCD Contrast
54
Date
54
Logging Interval
55
Maintenance
56
Debugging
56
Cleaning and Storage
56
Fuse Replacement
57
Calibration
58
Calibration Mode
58
Zero Offset Calibration
60
Full Scale GAIN Calibration
61
Calibration Reference Table
62
Firmware Update
63
Warranty
64
EEVBlog 121GW How To Replace (5 pages)
How to Replace the Rotary Switch
Brand:
EEVBlog
| Category:
Multimeter
| Size: 0 MB
Table of Contents
How to Replace the Rotary Switch
1
Remove the Rubber Boot from the Unit
1
Remove Screws from the Battery Cover
1
Open the Battery Cover
1
Remove Screws from the Bottom Housing
1
Open the Bottom Housing and Remove the Fuse
2
Remove Screws from the PCB
2
Remove the PCB from the Top Housing
2
Remove the Rotary Switch from the Top Housing
2
Insert the New Rotary Switch to the Top Housing
3
Insert the Shim to the Metal Axis
3
Assemble the PCB and Top Housing
3
Make Sure that the 3 Ptcs Are Lined up in a Row
3
Ressemble in Reverse Order of Disassembly Step 4 ~ 6
4
Download the Updated bin File to the SD Card
4
Insert the SD Card to the Unit
4
Follow These Procedures to Downloading the Updated Software
4
When the Downloading Is Completed
5
Ressemble in Reverse Order of Disassembly Step 1 ~ 3
5
Verify if the Meter Displays 'OFL' in the Diode Mode
5
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