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510 Digital Lux Meter
Brand: Yokogawa Electric Corporation
The relative spectral response of the lux meter should ideally be the same degree of brightness as V(λ), which is the unit of brightness to which human beings are considered sensitive.
In the JIS standard, the system of evaluating the characteristics of the visible region relative spectral response is adopted in order to bring the relative spectral response of the lux meter much closer to this ideal.
The 510 series lux meter measures the intensity of illumination more accurately because its sensitivity approximates to the standard spectral luminous efficiency which is the same sensitivity as the human eye.
However, since spectral characteristics differ depending on the light source types, a subtle indication error occurs.
Features- Wide measurement range, high accuracy
- Spectral response characteristics for visible range
- Good oblique incident light characteristics
- USB communication and USB power supply
- Recorder output
Specifications
Accuracy
- ± 2 % of Reading ± 1-Digit (Under 3,000 Lx)
- ± 3 % of Reading ± 1-Digit (Over 3,000 Lx)
- ± 4 % of Reading ± 1-Digit (Under 3,000 Lx)
- ± 6 % of Reading ± 1-Digit (Over 3,000 Lx)
Approvals & Certifications
- JIS C1609-1 2006
Communication
- USB (Mini-b 5-Pin)
Display
- 0 to 999 - Max.
- 7-Digits Liquid Crystal Display
Element
- Silicon Photodiode - Photoelectric Element
Function
- Auto Power Off
- Average Illuminance Computation
- Color Correction Factor Setting
- Deviation Display
- Light Source Luminous Intensity Measurement
- Measurement of Totalized Intensity of Illumination
- Range Hold
- Response Switching
- Ripple Measurement
- Timer Hold
Humidity
- 80 % Relative Humidity or Less, No Moisture Condensation
Measuring Range
- 0.0 to 99.9 / 999 / 9,990 / 99,900 / 999,000 Lx - for Model 51011
- 0.00 to 9.99 / 99.9 / 999 / 9,990 / 99,900 / 999,000 Lx - for Model 51021
Operating Temperature
- -10° to 40° C (14° to 104° F)
Output
- 1 Vdc ± 5 % - Fixed Range
Power Requirement
- AA (LR6) x 2 or USB Supply (5 Vdc ± 5 %)
Resistance
- 100 kiloohms or more - Load Resistance
Response Time
- 2 seconds - Manual Range
- 5 seconds - Automatic Range
Rotation
- 10° to 80° - Oblique Incident Light