18
9.
DISPLAY AND KEYPAD
9.1
Display
The display (5) on the ALMEMO
®
2490A measuring instrument is a 2-row LCD
arrangement; the main field comprises 5x 7-segment digits (e) plus 2x 16-seg-
ment digits (d) for depicting the measured value;,the function field comprises
41/2x 7-segment digits (b) for depicting various measuring functions (a); there
are also 4 arrows (f) for depicting the operating status.
Function field
Main field
Display of measuring functions in the
function field
Measuring point
Maximum value
Minimum value
Saved value
Memory capacity
Temperature value from double sensors
Configuration of device address
Configuration of analog reference channel
Configuration of locking
Configuration of automatic OFF
Special operating states and faults
Display segment test :
runs automatically after switch ON
Supply voltage
Display after segment test
Under 3.6 V :
LOBAT
arrow lights up.
Relative measuring with respect to a reference value :
REL
arrow lights up.
MAX
36
.
5
MIN
17
.
3
M
36
.
2
M
O
26
.
5
°C
PO1
Adr
ACh1
Loc
AOFF
Содержание ALMEMO 2490-1A
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