PYROELECTRIC FOUR ELEMENT DETECTORS
Pyroelectric detectors for motion Sensing
Pyroelectric Four-Element Detectors
For Ceiling-Mount
LHi 1128, PYQ 1398, PY...
Description
Pyroelectric detectors for motion Sensing
Pyroelectric Four-Element Detectors
For Ceiling-Mount
LHi 1128, PYQ 1398, PYQ 1348 – Single-Output “Quad” Pyro
Applications Ceiling-Mount Alarms Ceiling-Mount Light Switches
Features and Benefits TO-5 metal housing Different window sizes Single Channel output
Product Description In this series of four-element “Quad” Detectors, all four elements are connected to one common output. This configuration enables specific applications in ceiling-mount locations, when applied with suitable lens or mirror optics designs. Two different window options are provided: a large window or standard, rectangular window size. Various element polarities are available upon request. For better EMI protection, the built-in capacitor option is available. For small Fresnel lens applications, a smaller element configuration is provided.
LHi 1128
PYQ 1398
PYQ 1348
LHi 1128, PYQ 1398 and PYQ 1348
Parameter
Symbol
Responsivity, min. Responsivity, typ.
Rmin R
Match, max. Noise, max. Noise, typ.
Mmax Nmax
N
spec. Detectivity
D*
Field of View, horizontal
FoV
Field of View, vertical
Source Voltage
Operating Voltage
EMI performance
Element size/spacing
Height
h
Optical Element Location
he /ho
Filter Size
X/Y
18
LHi 1128 5.40 6.5 10 100 30 8 156° 125°
0,2 … 1,5 2,0…10
** 1/1/1 4.2 3,2 / 0,35 hexagonal
PYQ 1398 5.40 6.5 10 100 30 8
0,2 … 1,5 2,0…10
** 1/1/1 4.2 3,0 / 0,8 5,2 / 4,2
PYQ 1348 5.40 6.5 10 100 30 8
0,2 … 1,5 2,0…10
*...
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