12 Technical specifications
displaying the result in lx or fc
1 fc=10.76 lx; 1 klx=1000 lx; 1 kfc=1000 fc
Meter
Probe
LXP-2
LP-1
LXP-10B
LP-10B
LXP-10A
LP-10A
Meter
Probe
LXP-2
LP-1
LXP-10B
LP-10B
LXP-10A
LP-10A
* displaying fc result with reduced resolution due to the display limitations
Other technical data
a) display ........................................................................................................ 3-3/4" digital LCD with 40-segment bar-graph
b) exceeding the range ....................................................................................................................................... "OL" symbol
c)
Spectral sensitivity ............................................................................ CIE spectral sensitivity (CIE human eye sensitivity)
d) sampling rate ............................................................................................................................................................ 1.3 Hz
e) photodetector .................................................................................... one silicon photodiode and spectral sensitivity filter
f)
memory
▪ LXP-2 ............................................................................................................................................................... 99 results
▪ LXP10B and LXP-10A .................................................................................................................................. 999 results
g) recorder memory .......................................................................................................................................... 16000 results
h) working temperature ......................................................................................................................................... 0°C...50°C
i)
operational relative humidity ...............................................................................................................................0%...80%
j)
storage temperature ...................................................................................................................................... -20°C...70°C
k)
power source .................................................................................................... 9 V battery or 8.4 V rechargeable battery
l)
length of the measuring probe................................................................................................................... approx. 150 cm
m) dimensions of the measuring probe ......................................................................................................115 × 60 × 20 mm
n) dimensions of the control panel ............................................................................................................170 × 80 × 40 mm
o) weight ........................................................................................................................................................................ 390 g
p) interface .......................................................................................... USB and wireless link (only LXP-10B and LXP-10A)
24
Display range
Class
[lx]
0...399.9
B
400...3999
4.00 k...19.99 k
0...39.99
40.0...399.9
B
400...3999
4.00 k...39.99 k
40.0 k...399.9 k
0...3.999
4.00...39.99
40.0...399.9
A
400...3999
4.00 k...39.99 k
40.0 k...399.9 k
Display range
Class
[lx]
0...39.99
B
40.0...399.9
400...1999
0...3.999
4.00...39.99
B
40.0...399.9
400...3999
4 k...39.99 k
0...3.999
4.00...39.99
A
40.0...399.9
400...3999
4.00 k...39.99 k *
LXP-2 ● LXP-10B ● LXP-10A – USER MANUAL
Resolution
Accuracy
[lx]
0.1
1
±(5%+5 digits)
0.01 k
0.01
0.1
1
±(5%+5 digits)
0.01 k
0.1 k
0.001
0.01
0.1
±(2%+5 digits)
1
0.01 k
0.1 k
Resolution
Accuracy
[lx]
0.01
0.1
±(5%+5 digits)
1
0.001
0.01
0.1
±(5%+5 digits)
1
0.01 k
0.001
0.01
0.1
±(2%+5 digits)
1
0.01 k
Spectral uncer-
Cosine mat-
tainty f
'
ching error f
1
±6%
±6%
±2%
±1.6%
Spectral uncer-
Cosine mat-
tainty f
'
ching error f
1
±6%
±6%
±2%
±1.6%
2
±3%
±3%
2
±3%
±3%