Features
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Digital LED Readout
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Eight Silicon Sensor Probes
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Quickly Interchange Without Recalibration
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Accurate Spectral and Cosine Corrections
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AC or Internal Rechargeable Battery Versions
Characteristics
J16 MAINFRAME
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Display: 3½ digit LED readout and three LEDs automatically indicating correct units for probe in use
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Integration Time: approx. 100 ms
POWER REQUIREMENTS
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Standard: has internal rechargeable NiCad batteries that require 16 hours for a full charge. For continuous-operation an ac power supply is recommended
PROBE CHARACTERISTICS
|
Application |
Illuminance |
Irradiance |
Luminance |
Uncorrected |
Red LED |
Green/Yellow LED |
|
Probe |
J6511 |
J6502-A/J6512-A |
J6503 |
J6523 |
J6504 |
J6505 |
J6501 |
|
Range |
0.001 to 1999 footcandles |
0.001 to 1999 microwatts/cm² |
0.1 to 199,900 footlamberts |
0.1 to 19,990 footlamberts |
Relative response only |
0.001 to 1999 footcandles |
0.001 to 1999 footcandles |
|
Spectral Response |
CIE photopic curve |
Flat within ±7% from 600 to 950nm; 450-600 is ±8% |
CIE photopic curve |
UV enhanced silicon spectral curve (250 to 1200 nm) |
CIE photopic curve from 600 to 710 nm |
CIE photopic curve |
|
Acceptance Angle |
Cosine corrected (180°) |
50% sensitivity at 48° off axis |
8° |
1° |
50% sensitivity at 48° off axis |
50% sensitivity at 48° off axis |
J6511 - Illuminance Probe
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Highway illumination
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Luminaries and lamps
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Workstation illumination
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Studio lighting
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Office lighting
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Lighting equipment
J6502-A / J6512-A - Irradiance Probes
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Laser research
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Display color balancing
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Radiant efficiency
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Infrared LED testing
J6503 - 8° Luminance Probe
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TV and computer display screens
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Work surface illumination
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Signal illumination
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Projection screens
J6523 - 1° Luminance Probe
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Roadway lighting
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TV and computer display screens
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Photographic equipment testing
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Glare and contrast measurement
J6505 - Red LED Probe
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Output of red LEDs (600-710 nm)
J6501 - Illuminance Probe
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For yellow and green LEDs