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Details&Spec

Details

DPbS series PbS Detectors

PbS detectors application

· DPbS2900 and DPbS3200 are the photoconductive IR detectors, which must be used with lock-in amplifier.
· DPbS2900 and DPbS3200 detectors integrate the pre-amplifier, the detectors output signals are voltage signals. When working with DCS103 or DCS300PA, the detectors needs choosing voltage signal as the sampling mode

Room temperature IR detectors, spectral range from 0.8 to 3.2_m. DPbS2900 and DPbS3200 have the same construction (built-in pre-amplifier).

	DPbS2900	DPbS3200
Effective Area Diameter(mm2)	4x5	6x6
Spectral Range(m)	0.8-2.9	0.8-3.2
Peak Wavelength(m)	‑2.2	‑2.1
Su(V/W)	‑ 3×10⁴	‑ 300
Rd (MΩ)	0.2-2	0.1-0.3
D* (cm(Hz)1/2/W)	‑5× 102	‑1×102
Time Constant	≤200	≤400
Magnification	×1 ,×10 ,×100	×1 , ×10 , ×100
Input Offset Voltage(V)	<±1	<±1
Pre-amplifier Input Drift(V)	±1	±1
Frequency Response Range(Hz)	100-1000 (400 Hz recommended)
Signal Output	Voltage	Voltage
Output Signal Polarity	P	P

Note: Please refer to Fig1 for DPbS2900 and Fig2 for DPbS3200

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DPbS series PbS Detectors

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