Page 333 - Sensors and Control Systems in Manufacturing

Sensor
Other
Photo- Electronic Integrated Photo- CdS Assembly Hybrids Circuits conductors Photocells transistors 0.2–15.0 0.2–15.0 0.2–1.1 2–15 0.4–0.7 0.4–1.1 Good Fair Fair Fair Excellent Excellent Very Good Very Good Very Good Very Good Very Good Very Good Good Good Good Good Good Good

Tubes Photo- diodes 0.2–2.0 Good Very Good Excellent Fair Excellent Very Good Excellent Low Excellent Small Easy Low 12 Comparison of Light Sensor Characteristics in Photomultiplier Tubes

Photo- multiplier 0.2–0.9 Fair Excellent Good Excellent Very Good Very Good Fair High Poor Large Poor Very High 40

Electrical Characteristics Available Wavelengths (µm) Performance- to-cost ratio Sensitivity Linearity Ambient Noise Performance Dynamic Range Stability Reproducibility Ruggedness Physical Size Ease of Customization Cost of Customization Lead time for Customization (in weeks)

290 Cost