ACT 531 Light Level Meter (ACT/531)

ACT 531 Light Level Meter

The ACT/531 is a light level meter which is both compact and robust. It is supplied with ACT/430N carry case.

Features

• Simple one hand operation.
• Accurate visible compensation filter f’1.
• CIE (λ):f’1<2%,<3%,<5%,<8%,v(λ)Match.
• Cosine Response:f’2<2%.
• Range : 20 Lux,200 lux, 2000 lux, 20,000 Lux ; 20fc, 200fc, 2000fc, 20,000fc
• Valox housing to withstand accidental drops.
• Highly accurate f’1 Compensation and Diffuser f’2<2%.
• Peak data hold function.
• Backlit LCD display.
• High Accuracy : ±3%rdg+10dgts.
• 3 1/2 digit LCD display with a maximum reading of 1999.
• Automatic zero.

Specifications

• Ranges : 20lux, 200lux, 2,000lux, 20,000lux ; 20fc, 200fc, 2000fc, 20,000fc
• Resolution : 0.01lux. ; 0.01 fc
• Spectral Response : CIE photopic
• Acceptance Angle : f’2<2% cosine corrected (150°)
• Total Accuracy : for CIE standard illuminate A (2856K);(±3%rdg+10dgts)
• Sampling Rate : 3 times/per second
• Power Requirement : 4 pieces 1.5V (AAA size) batteries
• Dimensions : 6.7"x1.7"x1.6" (170x44x40mm)
• Weight : 220g