This lux meter system includes a low-profile photometric sensor, designed for applications with limited mechanical clearance and an integrated cosine filter for reduced directional sensitivity.
Combined with our highly popular S471 portable photometer, the system provides simple and precise measurements. The package includes a battery charger and necessary connector cables.
Under the UDT Instruments brand, Gamma Scientific manufactures a broad range of precision photometers, radiometers, colorimeters and photosensors for optical measurement application.
Precision-matched Measurement Solutions
S471 Optical Power Meter
- High Accuracy Measurements
- Programmable Average Readings in Low Pass or Boxcar Average
- High Speed Update Rate
- Optional USB to Serial Bridge Converter
- Long Battery Lifetime or Use External Power
268P Photometric Sensor
- Spectral Responsivity Matching that of the Human Eye
- Integrated Cosine Filter to Reduce Directional Sensitivity
- Illuminance Measurements (lux and fc)
- Dynamic Range from 1 x 10-3 to 1.9 x 105 lux
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S471 OPTICAL POWER METER GENERAL SPECIFICATIONS |
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Electronic |
7 Gains, auto/manual selection |
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Computer Interfaces |
RS-232 or USB |
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Sample rates |
(Display Enabled) > 2 Hz (Display Disabled) up to 53 Hz |
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Analog Output Scale |
± 1, 2, or 4 VDC |
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Communication Rate |
9600 Baud |
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Operational Battery Life |
32 Hours with backlight off, 24 Hours with backlight on |
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Operating Temperature |
10 to 60° C |
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Storage Temperature |
-20 to 35° C for up to 1 year |
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External Power Source |
12 VDC at 3.3 A or 100-240 VAC 50/60 Hz with supplied power adaptor, 40 W max |
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Internal Power Source |
Rechargeable integral battery pack -- 5 NiMH AA, 1800 mAHr batteries |
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Calibration Capacity |
9 Continuous or 50 single-point |
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Calibration Traceability |
Traceable to NIST with optional ISO/IEC 17025 accredited |
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Relative Humidity |
Up to 99% (non-condensing) |
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Regulatory Compliance |
TUV, UL, CSA, CE |
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268P LOW PROFILE PHOTOMETRIC SILICON DETECTOR GENERAL SPECIFICATIONS |
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CIE V (λ) Function |
< f1’ ≤ 3% |
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Active Area |
1 cm2 |
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Dynamic Range (1) |
1 x 10-3 to 2 x 104 lux |
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Typical Response (1) |
7.3 x 10-10 A / lux @ 555 nm |
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Calibration |
ISO17025, NIST Traceable |
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Cable |
1.5 meter, included |
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(1) Stand alone with cosine receptor. Value may differ when used with cosine receptor removed. Specifications are subject to change without notice. |
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