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Address: Laishui County, Baoding City, Hebei Province , China.
Phone: +86-13733399896
TEL: +86-312-5845156
E-mail: lstcgm@163.com
GD-708P ultraviolet phototube, ultraviolet photosensitive tube, ultraviolet detector, flame detection, fire alarm
Classification:
CONTACT
Phone: +86-13733399896
Tel: +86-312-5845156
E-mail: lstcgm@163.com
Products Details
GD-708< span >Ptype (foreign counterpartsR1868, P578)
GD-708P< span > type photosensitive tube is a cold cathode gas-filled Diode.
The tube has low working voltage, wide spectral response range, good daylight blindness, high sensitivity and Features such as fast response are mainly used in ultraviolet flame detection and monitors.
a, dimensions
The height of the photosensitive tube ( H) (28±2)mm< /span>
Outer diameter of photosensitive tube (D) Φ< /span>(18 span>±2)mm< /span>
Pin length ( L) 8mm
b, main parameters
1, spectral response range185nm～290nm
2, peak wavelength 210nm
|
Parameters |
Unit |
Minimum |
Maximum |
|
Anode voltage |
V |
220 |
300 |
|
Peak current |
mA |
|
4 |
|
Average output current span> |
mA |
|
2 |
|
Ambient temperature |
℃ |
-30 |
80 |
c, working conditions and typical characteristics ( 25℃)
|
Parameters |
Unit |
Minimum |
rated |
Maximum |
|
Starting voltage span> |
V |
|
|
195 |
|
pipe pressure drop span> |
V |
|
|
190 |
|
Working voltage range span> |
V |
220 |
260 |
300 |
|
Average output current span> |
mA |
|
1 |
|
|
Sensitivity |
cps |
|
2000< /span> |
|
|
Background (count rate) |
cps |
|
|
10 |
|
Average life span |
h |
|
10000 |
|
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