
IMPAC pyrometers IS 210 · IGA 210
8
Type a:M *
)
Optics =
a [mm]
M
90
[mm]
a
1
[mm]
M
1
[mm]
a
2
[mm]
M
2
[mm]
D
[mm]
(MB 18) 130:1 4.5 15 28
(MB 25) 240:1
600
2.5
1000
12
1500
23
13
(MB 18) 140:1 7 15 24
(MB 25) 240:1
1000
4.2
1500
12
2000
19
16
(MB 18) 135:1 11 17 32
IS 210
(MB 25) 235:1
1500
6.4
2000
14
3000
23
17
165:1 300 1.8 400 6 600 15 17
175:1 350 2 500 8 800 18 16
145:1 500 3.4 800 11 1000 16 14
150:1 600 4 1000 13 1500 24 13
140:1 1000 7 1500 14 2000 22 16
IGA 210
MB 13L
+
MB 18L
150:1 1500 10 2000 17 3000 30 17
*
)
a:M; distance ratio (90% intensity)
Spot sizes for distances which are different from the nominal distance of the selected optics
may be calculated using the following formula:
D)DM(
a
a
M
2
2
D)DM(
a
a
M
1
1
6 Alignment with the LED targeting light
For exact measurement of the object temperature the pyrometer must be aligned correctly
onto the object. For this alignment the pyrometers are equipped with a LED targeting light.
This light enables the simple and accurate alignment even onto small objects.
The light point marks the center of the spot, not the exact size. The correct focusing distance
with the smallest spot size is achieved when the LED point has its smallest size. The targeting
light does not effect the temperature measurement.
M
Spot size [mm]
Measuring distance [mm]
a
M
1
a
1
M
2
a
2
Ø M
1
Ø M
Ø M
2
a
1
a
2
a
Ø D
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