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1.
Input
for
probes,
8-pole
DIN45326
connector.
2.
External
auxiliary
power
supply
connector
input.
3.
Battery
symbol:
displays
the
battery
charge
level.
4.
Function
indicators.
5.
Secondary
display
line.
6.
HOLD/...
key:
freezes
the
measurement
during
normal
operation;
in
the
menu,
increases
the
current
value.
7.
FUNC/ENTER
key:
during
normal
operation
displays
the
maximum
(MAX),
the
minimum
(MIN)
and
the
average
(AVG)
of
current
measurements.
In
the
menu,
confirms
the
current
selection.
Pressed
with
other
keys,
activates
the
secondary
function.
During
integral
Q(t)
calculation,
alternates
the
display
of
Q(t)
and
integration
time.
8.
REL/""'
key:
enables
the
relative
measurement
(displays
the
difference
between
the current
value
and
the
logged
value
when
the
key
is
pressed);
in
the
menu,
decreases
the
current
value.
9.
SERIAL
key:
starts
and
ends
data
transfer
to
the
serial
communication
port.
10.
MENU
-
CLR
Q/T
key:
allows
access
to
and
exit
from
the
menu.
If
the
integral
Q(t)
calculation
is
enabled,
pressing
the
MENU/CLR_Q/T
and
FUNC/ENTER
keys
simultaneously
resets
its
value.
11.
Start-Stop_Q/T
-
ESC
key:
if
the
integral
Q(t)
calculation
is
enabled,
starts
and
ends
the
calculation.
In
the
menu,
cancels
the
operation
in
progress
without
making
changes.
12.
UNIT
-
Q/T
key:
during
normal
operation,
selects
the
unit
of
measurement
for
the
main
variable.
When
pressed
together
with
the
FUNC
key,
starts
and
ends
the
integral
Q(t)
calculation
procedure.
13.
ON-OFF/AUTO-OFF
key:
turns
the
instrument
on
and
off;
when
pressed
together
with
the
HOLD
key,
disables
the
automatic
turn
off.
14.
MAX,
MIN
and
AVG
symbols.
15.
Main
display
line.
16.
Line
for
symbols
and
comments.
17.
8-pole
MiniDin
connector
for
RS232C.
For
the
connection
to
PC
Technical
specifications
Dimensions
(Length
x
Width
x
Height)
185x90x40mm
Weight
470g
(complete
with
batteries)
Materials
ABS,
rubber
Display
2x4½
characters
plus
symbols
Visible
area:
52x42mm
Operating
conditions
Operating
temperature -5…50°C
Storing
temperature -25…65°C
Working
relative
humidity
0…90%RH
without
condensation
Protection
degree
IP66
Power
Supply
Batteries
4
1.5V
type
AA
batteries
Autonomy
200
hours
with
1800mAh
alkaline
batteries
Power
absorbed
with
instrument
off
20!lA
Mains
Output
mains
adapter
100-240Vac/12Vdc-1A
Measuring
units lux
-
fcd
-
lux/s
-
fcd/s
-
W/m2
-
!lW/cm2
- J/m2
-
!lJ/cm2
-
!lmol/
(m2·s)
-
!lmol/m2
- cd/m2
μW/lumen
for
LP471P-A
probe
Security
of
memorized
data Unlimited,
independently
of
battery
charge
conditions
Time
Date
and
time
Schedule
in
real
time
Accuracy
1min/month
max
drift
Measured
values
storage
Type
(for
single
channel
probes)
2000
pages
of
19
samples
each
Type
(for
combined
probes)
2000
pages
of
7 samples
each
Quantity
(for
single
channel
probes)
Total
of
38000
samples
Quantity
(for
combined
probes)
Total
of
14000
samples
Selectable
storage
interval
1s,
5s,
10s,
15s,
30s,
1min,
2min,
5min,
10min,
15min,
20min,
30min
and
1hour
Serial
interface
RS232C
Type
RS232C
electrically
isolated
Baud
rate
Can
be
set
from
1200
to 38400
baud
Data
bit
8
Parity
None
Stop
bit
1
Flow
Control Xon/Xoff
Serial
cable
length
Max
15m
Selectable
print
interval
immediate
or
1s,
5s,
10s,
15s,
30s,
1min,
2min,
5min,
10min,
15min,
20min,
30min
and
1hour
USB
interface
-
model
Type
1.1
-
2.0
electrically
isolated
Connections
Input
module
for
the
probes
8-pole
male
DIN45326
connector
RS232
serial
interface
8-pole
MiniDin
connector
USB
interface
Mini-USB
type
B
connector
Mains
adapter
2-pole
connector
(positive
at
centre)
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