Fluke 77 IV [13/18] Using the bar graph
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Using the Bar Graph
9
Using the Bar Graph
The bar graph is like the needle on an analog Meter. There is an
overload indicator (►) to the right, and a polarity indicator (±) to the
left.
Because the bar graph is much faster than the digital display, the
bar graph is useful for making peak and null adjustments, and for
observing rapidly changing inputs.
The bar graph is disabled when measuring capacitance. In
frequency, the bar graph accurately indicates the voltage or
current up to 1 kHz.
The number of lit segments indicates the measured value and is
relative to the full-scale value of the selected range.
For example, in the 60 V range (see below), the major divisions on
the scale represent 0, 15, 30, 45, and 60 V. An input of −30 V
lights the negative sign and the segments up to the middle of the
scale.
AIK11F.EPS
Cleaning
Wipe the case with a damp cloth and mild detergent. Do not use
abrasives or solvents. Dirt or moisture in the terminals can affect
readings.
Testing the Fuses
XWWarning
To avoid electrical shock or injury, remove the test
leads and any input signals before replacing the fuse.
Test fuses as shown below.
11 A 440 mA
<0.5
Ω
<12
OKOK
OK
OK
RANGEHOLD
MIN MAX
V
AIK12F.EPS
Содержание
- Digital multimeter 1
- Model 77 series iv 1
- Model 77 series iv digital multimeter users manual 1
- Users manual 1
- Lifetime limited warranty 2
- Table of contents 3
- B ac alternating current i fuse 4
- Battery low battery when shown on display 4
- Canadian standards association 4
- Conforms to european union directives 4
- Double insulated 4
- Earth ground 4
- F b dc ac 4
- F dc direct current 4
- Hazardous voltage 4
- Important information see manual 4
- Inspected and licensed by tüv technischer überwachungs verein product services 4
- N10140 conforms to relevant australian standards 4
- Symbols 4
- Underwriters laboratories inc meter in accordance with iec 61010 1 54cj 4
- Vde verband deutscher electroniker 4
- Contacting fluke 5
- Digital multimeter 5
- Model 77 series iv 5
- Test lead alert 5
- Unsafe voltage 5
- Warning and caution statements 5
- Battery saver sleep mode 6
- F b ma 6
- Model 77 series iv users manual 6
- Rotary switch positions 6
- Terminals 6
- Display 7
- Autohold modes 8
- Display backlight 8
- Min max avg recording mode 8
- Model 77 series iv users manual 8
- Yellow button 8
- Manual ranging and autoranging 9
- Power up options 9
- Making basic measurements 10
- Measuring ac and dc voltage 10
- Measuring capacitance 10
- Measuring resistance 10
- Model 77 series iv users manual 10
- V v mv 10
- Making basic measurements 11
- Testing diodes 11
- Testing for continuity 11
- Measuring ac or dc current 12
- Measuring frequency 12
- Model 77 series iv users manual 12
- Cleaning 13
- Testing the fuses 13
- Using the bar graph 13
- Model 77 series iv users manual 14
- Replacing the battery and fuses 14
- Specifications 15
- Model 77 series iv users manual 16
- Specifications 17
- A fused 11 a 1000 v fast fuse 20 a overload for 30 seconds maximum 10 minutes rest 18
- Function overload protection overload 18
- Ma fused 440 ma 1000 v fast fuse 600 ma overload for 2 minutes maximum 10 minutes rest 18
- Model 77 series iv users manual 18
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