LumaSense 320 Series User Manual

IGA 320/23 Operating Manual Controls and Connections
•
16
Optional a close-up lens is available for the pyrometer (only for optics 250). This optics is
screwed in front of the optics and provides a small spot size in the focus distance.
The following drawing and the table shows the size of the spots in mm in dependence of the
measuring distance. Values between the mentioned data can be calculated by interpolation. The
spot size for measuring distance 0 is the aperture diameter “D” of the optics.
Optics
MB
a : M *
)
a
M
a
1
M
1
a
2
M
2
D
250
MB 5.5
without close-up lens
50 : 1
250
5
500
24
1000
62
14
with close-up lens 1
50
1
100
16
200
46
with close-up lens 2
120
2.4
300
27
500
55
MB 7
without close-up lens
100 : 1
250
2.5
500
19
1000
52
with close-up lens 1
50
0.5
100
15
200
44
with close-up lens 2
120
1.2
300
24
500
50
MB 12
without close-up lens
160 : 1
250
1.6
500
17.2
1000
48.4
with close-up lens 1
50
0.3
100
14.6
200
43.2
with close-up lens 2
120
0.8
300
23
500
48
MB 18
without close-up lens
200 : 1
250
1.25
500
12.5
1000
35
10
with close-up lens 1
50
0.25
100
10.5
200
31
with close-up lens 2
120
0.6
300
16.5
500
34
800
MB 5.5
without close-up lens
50 : 1
800
16
1500
42.3
3000
98.5
14
MB 7
100 : 1
8
27.3
68.5
MB 12
160 : 1
5
21.6
57.3
MB 18
200 : 1
4
16.3
42.5
10
Using the close-up lens slightly attenuates the measuring signal (due to the transmittance). To
get furthermore correct measuring results, the transmission of the close-up lens (90% for the
IGA 320/23) must be entered in the software InfraWin (see 4, Settings / parameter
descriptions). Alternatively the emissivity ε can be adapted: ε
Trans
= 0.90 x ε
Object
The spot sizes, mentioned in the table above, will be only achieved at the adjusted distance.
Decreasing or increasing the measuring distance enlarges the spot size. Spot sizes for
intermediate distances, which are not shown on the optical profiles, may be calculated using the
following formula:
Note: The InfraWin program includes a Spot Size Calculator that roughly
estimates the unknown values.
Spot size [mm]
Measuring distance
D
a
a
1
a
2
M
2
M
1
M
Aperture D
Ø M
Ø M
1
Ø M
2
a
a
2
a
1
D)DM(
a
a
M
1
1
−+=
DD)(M
a
a
M
2
2
+−=

LumaSense 320 Series Specifications

General

Brand	LumaSense
Model	320 Series
Category	Measuring Instruments
Language	English