Precision Photometer w Rotating Illuminance Receptor

Photometers are required for medical, scientific, and laboratory applications. This Precision Photometer utilizes a filtered sensor with spectral response tightly calibrated to the CIE photopic response. The illuminance receptors closely follow the Cosine Law relative sensitivity versus angle of illuminance.

Description
The Precision Photometer is a highly accurate instrument designed to measure both illuminance (the amount of light falling on a surface) in lux (lumens per m2) and luminance (the amount of light emitted from a surface) in nit (candela per m2).

Applications
The Precision Photometer easily and quickly verifies that an x-ray collimator light and/or CT system light source used for patient alignment and localization, is in accordance with regulations and guidelines. It also measures the brightness and uniformity of an x-ray view box, quickly detecting non-uniformity (which may appear as artifacts, causing misdiagnosis). This battery-operated photometer has a bright LED display and only two operating controls: “Measure” for taking a reading,
and “Range” to adjust the meter display to the light level being measured.

Specifications:
Capabilities Illuminance measured in lux (foot candles); or luminance measured in candela/m2 (nit)
Readout display: Three-digit LED, 0.25 inch high
Range: 0.1 to 999,000 lux or nits (candela/m2), equivalent to 0.01 to 99,000 foot candles
Accuracy: Within 7% of full scale range, for light sources between 2500° and 5400° Kelvin
Electrical accuracy: 1% plus 2 digits
Sensor: Silicon photodiode with photometric filter
Response curve shape: Close match to CIE photopic response curve
Power requirements: Type A-76 alkaline button cells or silver oxide equivalents
Dimensions: 2.8 (w) x 1.2 (d) x 4 in (h) (7 x 3 x 10 cm)
Weight: 0.25 lb (0.11 kg)

Optional accessories
Fiber-optic Probe, Flexible 12 inch (Model 07634) (must be calibrated with meter)
Fiber-optic Probe, Rigid 1 inch (Model 076341000) (must be calibrated with meter)
Rotating Illuminance Receptor (Model 076341100) (must be calibrated with meter)
Carrying Case (Model 89621)

Available model(s):
07621 Precision Photometer
076216341 Precision Photometer with rotating illuminance receptor
076216342 Precision Photometer with rigid 1 inch fiber-optic probe
076216343 Precision Photometer with flexible 12 inch fiber-optic probe

Factory recalibration available


$2,312.50

Sku:
076216341
Size:
2.8x1.2x4"

  

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