Centre LED Light Meter 531

Features:

• Automatic zero when powering on
• Removable probe for easy access to the source
• 6 1/2” large size backlight LCD display
• User-adjustable parameter for the special light source
• Cosine and color corrected measurement
• Built-in sensor with protective cover
• Fc / lx function selectable
• Data Hold function
• Max/Min function
• Measuring Range

o 0.0 to 199.9/1999/19990/199900 lx

o 0.00 to 19.99/199.9/1999/19990 fc

o Automatic or manual selection of range

• Resolution

o 0.1 lx

o 0.01 fc

• Accuracy

o ±3% rdg ±5 dgts (Standard A light source)

o 8% other visible light source

• Angle deviation from cosine characteristics

o 10° ± 1%

o 30° ± 2%

o 60° ± 5%

o 80° ± 20%

• Temperature characteristics: ±0.1% / °C(25°C)
• Response time: 0.5 sec
• Light detector: SI Photodiode
• Automatic power off (30 min)
• Battery Life: approx. 80 hours
• Preset Light Source Weighting:

L0: Standard incandescent light source

L1: LED white daylight (5000K)

L2: LED AMBER (YELLOW) light (3000K)

L3: LED GREEN light

L4: LED RED light

L5: LED BLUE light

L6: Warm White Fluorescent Lamp (2700K)

L7: Cold White Fluorescent Lamp (6500K)

L8: user setup mode