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EFA-200
NARDA EFA-200 User Manual
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EF
A-200/-300
4 Control and display elements
4-7
4.4
E-Field Unit contr
ols
Element
Function
ON/OFF
key
•
S
tarts the E-Field Unit.
ON INDICATOR
, GREEN
Indicates that the device is ready to use.
CHARGE INDICATOR
, YELLOW
Battery charging indicator
•
On continuously during charging.
•
Flashes slowly if there
is a fault during charging.
•
Flashes rapidly when trickle-charging.
T
able
4-3
E-Field Unit c
ontrols
40
42
Table of Contents
Default Chapter
5
Table of Contents
5
1 Introduction
15
About These Instruments
15
Applications
15
Common Features
15
Differing Features
16
About this Operating Manual
17
2 Safety Instructions
19
Before Connecting up
19
Correct Use
19
AC Power Supply Unit
20
Faults and Excessive Stresses
21
3 Preparation for Use
23
Unpacking
23
Packaging
23
Checking the Package Contents
23
Checking for Transport Damage
23
Recovery after Transport and Storage
23
Power Supply
24
Operation from Rechargeable Batteries / Dry Cells
24
Charging the Rechargeable Batteries
25
Preparing for B-Field Measurements
26
Measurement Setup
26
Selecting the Probe Type
26
Connecting / Disconnecting the External B-Field Probe
27
Switching on the Basic Unit
27
Preparing for E-Field Measurements
30
Measurement Setup
30
Setup
30
E-Field Unit Function Test
32
4 Control and Display Elements
35
Basic Unit Keyboard
35
Basic Unit Display
39
Liquid Crystal Display
39
Backlight
39
Contrast
39
Basic Unit Indicators
40
E-Field Unit Controls
41
5 Selecting an Operating Mode
43
Operating Mode Applications
43
Operating Mode Features
44
Field Strength Mode
44
Exposure STD Mode (Shaped Time Domain)
45
Spectrum FFT Mode (Fast Fourier Transformation)
46
Harmonic Analysis Mode
47
Checking the EFA Operating Modes
48
6 Operating Modes
49
Field Strength Mode
49
Activating Field Strength Mode
50
Selecting the Measurement Range
50
Selecting the Detection Mode
51
Selecting the Display Mode
52
Selecting the Frequency Range
52
Evaluating the Results
54
Saving Data
56
Exposure STD Mode (Shaped Time Domain)
57
Selecting the Display Mode
58
Saving Data
60
Spectrum FFT Mode
61
Activating Spectrum FFT Mode
61
Selecting the Measurement Range
62
Selecting the Measurement Mode (Detection Mode)
63
Selecting the Display Mode
63
Selecting the Frequency Range
64
Starting and Stopping a Measurement
65
Evaluating Measurement Results
65
Zooming in on the Frequency Axis
68
Zooming in on the Measured Value Axis
69
Marker
70
Normalized Display
72
Saving Data
73
Possible Problems
73
Harmonic Analysis Mode
74
Activating Harmonic Analysis Mode
74
Selecting the Measurement Range
75
Selecting the Measurement Mode (Detection Mode)
76
Selecting the Display Mode
76
Selecting the Fundamental Frequency
77
Starting and Stopping a Measurement
78
Evaluating Measurement Results
79
Saving Data
82
Possible Problems
82
7 Measurement Data Memory
83
Saving Data
83
Saving Individual Values
84
Recording Timer-Controlled Measurement
85
Recording Spatially Assigned Measurement Sequences (MATRIX)
89
Displaying a Data Set
96
Exporting Data
98
Deleting Data
100
8 Optional Functions
103
Selecting an Alarm
103
Activating the "ALARM" Function
103
Entering the Alarm Threshold
104
Activating Alarm Signals
104
Recording Current Values
106
Activating the CURRENT Function
106
Entering Current Values
106
Activating Recording of Current Values
107
Choosing a Limit Curve
107
Selecting the Measurement Axis
108
Selecting the Measurement Units
109
Setting the Averaging Parameter NAVG
109
Editing the Frequency Selection List
110
Activating the "FREQ LISTS" Function
110
Changing the Frequency Values
110
Setting the Date and Time
111
Activating the "CLOCK" Function
111
Setting the Current Time
112
Setting the Date
112
9 Device Data Memory
115
Calling up a Device Setting (User Setup)
115
Scope and Content of the Default Settings (Factory Default Setup)
115
Saving Device Settings (User Setup)
118
10 Maintenance and Repairs
121
Dry Cells and Rechargeable Batteries
121
Replacing the Rechargeable Batteries / Dry Cells
121
Handling Rechargeable Batteries
123
Lithium Battery
123
Battery Disposal
124
Software Update
124
Installing the Software "EFA-200/-300 Tools
125
Setting up the EFA - PC Connection
126
Loading the Device Firmware
126
Transferring STANDARDS Parameters
128
Enabling Operating Modes
129
Entering the Access Code
130
Reading out the Device Characteristics
131
Cleaning
132
Power Supply Unit
133
Opening the Device
133
Repairs
133
Spare Parts
133
11 Remote Control
135
Abbreviations Used
135
Making the Connection from EFA to PC
135
Structure of Device-Specific Commands
137
Status Messages
140
Remote Control Commands
141
Measurement Settings
142
Reading out Current Measurement Values
146
Measurement Data Memory
150
Optional Functions
156
General Functions
162
Test / Service
162
12 Specifications
165
Principle of Operation
165
Field Strength Mode
165
Brief Description
165
Frequency Range
166
Measurement Range, Dynamic Range
166
Measured Value Detection
168
Averaging Time / Refresh Rate
169
Measurement Uncertainty
169
Result Display
170
Frequency Measurement (Broadband Setting Only)
170
Auxiliary Functions
170
Exposure STD (Shaped Time Domain) Mode
171
Brief Description
171
Frequency Range
171
Measurement Range, Dynamic Range
171
Limit Value Curves
172
Measurement Value Detection
173
Averaging Time / Refresh Rate
173
Measurement Uncertainty
173
Result Display
174
Additional Functions
174
Spectrum FFT
174
Brief Description
174
Frequency Range
175
Measurement Range
175
Recording of Measured Values
178
Averaging / Measured Value Rate
178
Result Display
179
Additional Functions
179
Harmonic Analysis Mode
179
Brief Description
180
Frequency Range
180
Result Display
180
Miscellaneous
181
Display Type and Warning Devices
181
Data Memory
181
Brief Description
182
Memory Capacity
182
Clock
182
Device Settings Memory
183
Self Test
183
Remote Control Interface (Serial)
183
Power Supply
184
Battery Operation
184
Charger Unit
185
General Specifications
185
Climatic Environment Conditions
185
Conformance Marks
186
Calibration Interval
186
Declaration of Origin
186
Maintenance
186
Dimensions and Weight
187
Ordering Information
187
Options
188
4
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NARDA EFA-200 Specifications
General
Brand
NARDA
Model
EFA-200
Category
Measuring Instruments
Language
English
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