Lux Light Meter
Application field：
Lux Light Meter is designed for measuring Luminance (unit: Lux/FC) and Luminous intensity (unit: candela or CD), while complying with the specifications: DIN5032-7-2017 Class C, JJG 245-2005 Class B, JIS C 1609-1: 2006 Class A, CNS5119.
Features
- Display of reading: LCD display with 4 digits, where the maximum number shown is 9999.
- Unit : LUX /FC/CD
- Data holding function (HOLD)
- Automatic and manual shifting
- Backlight display
- Auto power off (15 minutes after last usage) and disable the function.
- Maximum/minimum hold.
- Overload indication: “OL”.
- Data logging capacity 7000 records.
- Interval of data storage: 1 second to 10 days.
- Low battery indication
- Average of 4 or 5 point
- Transmittance measurement
Technical Specifications
- Dimension : 140x65x37.5mm (length x width x height).
- Sensor : 81x57x28(H) mm (length x width x height).
- The line length of the light receiver : approximate 100 cm.
- Weight : Approximately 300 grams.
Electrical Specifications
Accuracy is specified for ambient temperatures between 15°C to 28°C (59°F to 82°F)
| Standard | Comply with DIN 5032 Part7 Class C、 JIS C 1609-1:2006 Class A、JJG 245-2005 Class B | |
| Test Range | 400.0/4000/40,000/400,000 Lux 40.00/400.0/4,000/40,000 Foot-Candle | |
| Accuracy | 0.1/1/10/100 Lux 0.01/0.1/1/10 Foot-Candle | |
| Relative spectral response (f1´) | ±8% CIE visible light V(λ) | |
| Cosine characteristic (f2) | ±6% | |
| Oblique incident light characteristic | angle | 10˚: ±1.5% |
| 30˚: ±3% | ||
| 60˚: ±10% | ||
| 80˚: ±30% | ||
| Accuracy | ±3% (for light source A of 2856˚K) | |
| Linearity (JISC 1609-1:2006) (Accuracy of various light sources) | < 3000 Lux: ±5% with reading ± 1 3000 Lux to 9999 Lux: ±7.5% with reading ± 1 > 10000Lux (930 FC) N/A | |
| Initial Adjustment(fADJ) DIN5032 Part7 JJG 245-2005 | ±5% with reading ± 1 | |
| Linearity(f3) DIN5032 Part7 JJG 245-2005 | ±2.5% | |
| Range change(f11) | ±2% | |
| Fatigue(f5) | -1% | |
| IR response(fIR) | ±4% | |
| UV response(fUV) | ±2.5% | |
| Temperature(f6T) | ±1% | |
| Response time | Auto shifting: ≦5 seconds Manual shifting: ≦2 seconds | |
