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|
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Pyroelectric Infrared Detectors
Dual Element Detectors LHi 874, LHi 878
TO-39 / TO-5 housing
Competitive cost version
Designed for motion control
The
LHi 874
and
LHi 878
pyroelectric infrared-detector series are the standard
dual element design recommended for all variants of motion control.They include
a dual element pyro-electric ceramic with FET in source follower connection.
The
LHi 874
is available as
TO-39,
whereas
LHi 878
detector is available in
TO-5
housing with standard infrared filter. They both offer high responsivity
with excellent common mode performance (match) and low noise at steady state
and temperature changes.
For both variants RF improved options are available.
Parameters
p
D A T A S H E E T
LHi 874/ 878
min
typical
ma x
units
condition
Element size
R esponsivity
Match
Noise
Offset Voltage
2x1
3 300
4000
1
20
0,2
10
50
1,55
mm
2
V /W
%
碌V pp
V
(2 elements)
100擄C, 1 Hz
25擄C , 0,3...10Hz
R
S
=47k
W
, 25擄C
Right for modification reserved / WS /, 29.6.2001
NEP
D*
Output Impedance
Operating Voltage
Field of View, vertical
horizontal
Field of View
7,5
x
10
-10
28
x
10
-10
5
x
10
7
W
脰
Hz
1Hz Bw, 100擄C, 1 Hz
19
x
10
5
7
cm
脰
Hz/W 1Hz Bw,100擄C, 1 Hz
10
15
kW
V
擄
擄
85
85
擄C
擄C
R
S
=47k
W
, 25擄C
R
S
=47k
W
, 25擄C
unobstructed
unobstructed
non permanent
non permanent
2
95
90
Operating Temperature
-40
S torage Temperature
-40
100
LHi 874
LHi 878
10
R [kV/W]
1
0,1
0,01
0,1
f [H
z]
1
10
Frequency Response
Dimensions in mm
Europe:
PerkinElmer
Optoelectronics GmbH
Wenzel Jaksch Str 31
Wiesbaden / Germany
Phone +49(0)611 492 0
Fax
+49(0)611 492 170
USA:
PerkinElmer
Optoelectronics
2175 Mission Colledge Blvd
Santa Clara, CA 95054
Phone +408 565 0830
Fax
+408 565 0703
Asia:
PerkinElmer
Optoelectronics
47, Ayer Rajah Crescent #06-12
Singapore 139947
Phone +65 775 2022
Fax
+65 775 1008
www.perkinelmer.com/opto
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