R2121 Ver la hoja de datos (PDF) - Hamamatsu Photonics
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R2121 Datasheet PDF : 4 Pages
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FLAME SENSOR
UVtron®
UVtron is an ultraviolet detector tube that uses the photo-
electric effect of metal and gas multiplication effect of electric
current by means of discharge. It has a very narrow range of
sensitivity from 185 nm to 300 nm and is completely insensi-
tive to visible light. Because it used the discharge phenom-
enon, its sensitive is high and an adequate output voltage is
obtained, making it possible to design a high-sensitivity,
quick response ultraviolet detection with simple circuitry.
The UVtron reliably detects faint ultraviolet emissions from
flames, making it ideal for applications such as fire alarms,
arson surveillance, and burner combustion monitor devices.
The UVtron can also detect discharges such as corona dis-
charges from high-voltage power transmission lines.
FEATURES
GCapability of Detecting Very Weak Ultraviolet Rays
(from 1 pW)
GNot Sensitive to Visible and Infrared Light
(Solar Blind Characteristics)
GHigh Reliability and long service life
(10 000 hours of Continual Discharge Operation)
GHigh Speed Response (A Few Milliseconds)
GLow Current Operation
GCompact and Lightweight
APPLICATIONS
GCombustion Monitoring Apparatus for Gas and Oil
Burner
GFire Alarm Apparatus
GArson Watch Monitors
GPhotoelectronic Counter
GDetection of Ultraviolet Ray Leakage
GDetection of Discharge Phenomenon
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are
subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2007 Hamamatsu Photonics K.K.
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