Display – Fluke 179 User Manual
Page 7

True RMS Multimeters
Display
3
Display
.
8
7
7
5
6
4
3
2
1
13
14
15
9
11
12
10
AIK02F.EPS
No. Symbol
Meaning
1
s
Continuity test.
2
O
Diode test.
3
K
Negative readings.
4
Y
Unsafe voltage. Voltage
≥
30 V, or
voltage overload (OL)
5
h
Display HOLD is enabled. Display
freezes present reading.
In MIN MAX AVG mode, MIN MAX
AVG recording is interrupted.
Ah
AutoHOLD is enabled. Display holds
present reading until it detects new
stable input. Then the Meter beeps
and displays new reading.
6
MIN MAX AVG enabled.
MAX, MIN, AVG
Maximum, minimum, average or
present reading.
No. Symbol
Meaning
7
n
μ
F,
°
F,
°
C
mVA, Mke, kHz
Measurement units.
8
DC, AC
Direct current, alternating current.
9
b
Low battery. Replace battery.
10
610000mV
All possible ranges.
11
Bar graph
Analog display.
12
Auto Range
The Meter selects the range with
the best resolution.
Manual Range
The user selects the range.
13
±
Bar graph polarity.
14
0L
The input out of range.
15
LEAd
W
Test lead alert. Displayed when
the rotary switch is moved to or
from the mA or A position.
Error Messages
bAtt
Replace the battery immediately.
diSC
In the capacitance function, too much electrical
charge is present on the capacitor being tested.
EEPr
Err
Invalid EEPROM data. Have Meter serviced.
CAL
Err
Invalid calibration data. Calibrate Meter.
OPEn
Open thermocouple is detected.