Luminance Sensor LM21 by Vaisala

★★★★★ 4.9 39 reviews

$90.00
Price when purchased online
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$90.00
Price when purchased online
Free shipping Free 30-day returns

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Arrives Apr 11
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Product details

Management number 211305606 Release Date 2026/04/04 List Price $36.00 Model Number 211305606
Category

The LM21 Background Luminance Sensor is a precise photometer, verified for photopic spectral response, measuring total light from a 6-degree angle to evaluate runway or warning light visibility. It boasts comprehensive self-monitoring and high-power heating for dependable, continuous operation.

  • Confirmed Precision: Verified Photopic Response
  • Comprehensive Self-Monitoring
  • Window Contamination Detection & Compensation
  • Optical Path Obstruction Alert
  • High-Power Heating for Snow Prevention
  • Traceable Calibration to Measurement Standards
  • User-Friendly Field Calibration Option
Color white
Model LM21
Brand Name Vaisala
Power Source Ac/DC Adapter
Included Components Mounting Hardware, Cable, Stand

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4.9 out of 5
★★★★★
39 ratings | 16 reviews
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