Illuminance Meter Class | * Class A of JIS C 1609-1: 2006 “Illuminance meters Part 1: General measuring instruments” * DIN 5032 Part 7 Class C |
Sensor | CMOS linear image sensor |
Spectral Wavelength Range | 380nm to 780nm |
Output Wavelength Pitch | 1nm (Requires the C-7000 Utility to output memorized data) |
Spectral Bandwidth | Approx. 11 nm (half bandwidth) |
Measuring Range | Ambient light: 1 to 200,000lx (= 0.1 to 18,600fc), 1,563 to 100,000K (more than 5lx required) |
Flash light: 20 to 20,500lx • s (= 1.86 to 1,900fc • s), 1,563 to 100,000K |
Accuracy (Standard Illuminant A) | Illuminance: ±5% + 1digit (1 to 3,000lx) |
x,y: 0.003 (Standard Illuminant A, 800lx) |
Repeatability (Standard Illuminant A) | Illuminance: 1%+1 digit (30 to 200,000lx), 5%+1 digit (1 to 29.9lx) |
x,y: 0.001 (500 to 200,000lx) |
x,y: 0.002 (100 to 499lx) |
x,y: 0.004 (30 to 99.9lx) |
x,y: 0.008 (5 to 29.9lx) |
Visible-region Relative Spectral Response Characteristics (f1’) | 9% or less |
Cosine Response (f2) | 6% or less |
Temperatutre Characteristic | Illuminance: ±5% of indicated value |
x,y: ±0.006 (Standard Illuminant A, 1000lx) |
Humidity Characteristic | Illuminance: ±3% of indicated value |
x,y: ±0.006 (Standard Illuminant A, 1000lx) |
Power Source | AA (1.5V) x 2 pcs, USB bus power |
Measurement Time | Ambient: Auto - Max.: 15 sec., Min.: 0.5 sec. |
Ambient : Manual - 0.1s, 1sec. |
Flash: 1 to 1/500 sec. (in 1 step) |
Measuring Modes | Text mode, Spectrum mode, Spectrum Comparison mode, CRI mode, CIE1931 (CIE1964) mode, CIE1931 (CIE1964) Comparison mode, CIE1976 mode, CIE1976 Comparison mode |
Other Functions | Up to 999 memory, Preset function, Auto power off, Auto Dimmer, 2 or 10 deg. Filed of View Setting |
Display languages | English, Japanese, Chinese (Simplified) - factory preset, user cannot change. |
Interface | USB 2.0 |
Operating Temperature | -10 to 40 ºC |
Storage Temperature | -10 to 60 ºC |
Dimensions | 73mm (w) × 183mm (h) × 27mm (d) = 2.9” (w) x 7.2” (h) x 1.1” (d) (excluding protruding part of light receiving) max. thickness 40mm (d) = 1.6” (d) |
Weight | 230g without batteries
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