![4-2138-01 [Discontinued]Brightness meter 2 ° BM-9AC・BM-9A20D](https://www.jgauge.com/wp-content/uploads/2025/06/c384541061d8e96f2aa726eeaf7bcaf7.webp)
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4-2138-01 [Discontinued]Brightness meter 2 ° BM-9AC・BM-9A20D
Product Description
Product Model: 4-2138-01Product Brand: TOPCON TECHNOHOU […]
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Product Details
Product Model: 4-2138-01
Product Brand: TOPCON TECHNOHOUSE
Features
- The light-receiving section and the main body can be separated, and it is also suitable for *** in system equipment and production lines.
Spec
- Measurement angle: 2 deg.
- measurement range (cd/m2) : 0.01 to 280,000
- Optical System: Objective/f = 36 mm/F = 2.5, Finder Field of View/5 °
- Light receiving element: Silicon Photodiode
- Spectral Sensitivity Characteristics/6% or Less (deviation from the standard relative luminous efficiency) * JIS C 1609 -1 2006
- Measurement Distance: 350 mm to ∞
- Minimum measurement diameter (When using AL -13): Φ 9.5 mm (Φ 1.02 mm)
- Luminance accuracy: ± 2% of rdg. ± 2 digit (0.1 cd/m2 or more)
- Interface: USB (Virtual COM Port)
- power supply : AA size battery x 2 pieces (Sold separately) or Dedicated AC Adapter (Sold separately)
- Size: 108 x 191 x 57 mm (Display Unit: 65 x 131 x 28 mm, Light Receiving Unit: 108 x 60 x 57 mm)
- Weight cookies : about 350 g (battery Excluded) (Display Part: About 130 g (battery Excluded), Light Receiving Part: About 220 g)
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