The S400 Optical Meter is our most popular benchtop meter, ideal for photometric, radiometric, laser power, and fiber optic measurements. Optional configurations include up to 4 individually calibrated sensor heads. This system features a microprocessor controlled architecture with USB, RS-232, RS-485 and IEEE-488.2 interfaces.
Applications
- Display Measurement
- LED Measurement
- Laser Power
- Strobe & Signal Measurement
- Lamp Testing
Precision Solutions for Photometric, Radiometric & Laser Power Measurement
- Wide dynamic range
- High accuracy measurements
- Pulse integrator for averaged energy measurements
- Precision amplifier with femto-amp level resolution
Sensor Options (1) | |
Photometric Sensors (2) | Silicon detectors Standard, miniature, low profile, and photomultiplier configurations |
Radiometric Sensors | Silicon, Germanium or InGaAs detectors Standard, miniature, low profile, flat response, UV enhanced, blue optimized, bandpass filtered and photomultiplier |
LED Measurement | Sensor assemblies designed to meet CIE Publication 127 Conditions A & B |
Integrating Spheres | Standard 150mm spheres and 50mm diameter mini-spheres available |
(1) An extensive range of sensors and sensor configurations is available for measurement of power, lux, luminance as well as transimpedance amplifiers and integrating spheres. (2) The high accuracy of our photometric sensors begins with our world-class Photopic filters, featuring spectral matching to f1’< 1%.
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Model S400 General Specifications | |
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Electronic | 8 DC Gain Ranges with automatic and manual ranging; 4 Integration ranges |
Computer Interfaces | USB, RS-232, RS-485 and IEEE 488.2 . Analog output is also available (± 2.5 Volts) |
Range-to-Range Non-linearity | < 0.1% typical, < 0.25% for most sensitive range |
Sensitivity | 1.0 x 10-3 to 1.0 x 10-15 Amps 1.0 x 10-3 to 1.0 x 10-14 coulomb |
Resolution | 100 x 10-15 Amps |
Energy Integrator | Four integration ranges w/ range-to-range linearity better than 0.1% (0.25% for most sensitive range) Sensitivity from 1.0 x 10-14 to 1.0 x 10-3 coulomb Decay error analog; approximately 0.01% / second Digital – holds reading indefinitely |
Dark Current Suppression | 50 nA Max |
Noise | < 5.0 x 10-15 Amps |
Frequency Roll-off | < 10 Hz on most sensitive range |
A to D Converter | 24 bit for each decade |
Use with Photomultipliers | High voltage circuit (300 to 1500 V) |
Ranging | Automatic or Manual |
Dimensions | 33 cm (13 in) x 22 cm (8.6 in) x 13.5 cm (5.3 in) |
Radiometric Calibration Options | Radiant flux (W), Irradiance (W/cm2), Irradiant Energy (j/cm2) |
Photometric Calibration Options | Illuminance (lux or fc), Luminance (cd/m2 or fL), Luminous Intensity (cd), Illuminant Energy (lux*sec) |
Calibration Traceability | Traceable to NIST with optional ISO/IEC 17025 accreditation |
Relative Humidity | Up to 99% (non-condensing) |
Regulatory Compliance | TUV, UL, CSA, CE |
Optional Configurations | S470 (single channel) S480 (dual channel) S485 (three channel) S490 (four channel) |
| Specifications are subject to change without notice. | |
Model S470 Single Chanel Part Number 51691
Model S480 Dual Channel Part Number 51692
Model S485 Three Channel [Contact Factory]
Model S490 Four Channel Part Number 51694
Please see Sensors page for sensor options.
