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GD-708 ultraviolet phototube, ultraviolet photosensitive tube, ultraviolet detector, flame detection, fire alarm

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Add.: Laishui County, Baoding City, Hebei Province , China.

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GD-708 ultraviolet phototube, ultraviolet photosensitive tube, ultraviolet detector, flame detection, fire alarm

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Phone: +86-13733399896
Tel: +86-312-5845156
E-mail: lstcgm@163.com

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Product description

GD-708 type (foreign corresponding models R1868, P578)

 

GD-708 typephotosensitive tube is a cold cathode gas-filled Diode.

This tube has the characteristics of low working voltage, wide spectral response range, good sunlight blindness, high sensitivity and fast response, etc. It is mainly used in ultraviolet flame detection and monitors.

 

a, external dimensions

Photosensitive tubeHeight (H)  (30±2)mm

Photosensitive tubeOuter diameter (D)  < span>Φ(19±1)mm

Pin length (L)      8mm

 

b, main parameters

1, spectral response range185nm290nm

2, peak wavelength210nm

Parameters

Unit

Minimum

Maximum

Anode voltage

V

220

300

Peak current

mA

 

4

Average output current

mA

 

2

Ambient temperature

°C

-30

80

 

c, working conditions and typical characteristics (25℃)

Parameters

Unit

Minimum

rated

Maximum

Starting voltage

V

 

 

195

Pipe pressure drop

V

 

 

190

Working voltage range

V

220

260

300

Average output current

mA

 

1

 

Sensitivity

cps

 

1000

 

Background (count rate)

cps

 

 

10

Average life span

h

 

10000

 

 

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TEL:  +86-312-5845156 

E-MAIL: lstcgm@163.com

ADDRESS: Laishui County, Baoding City, Hebei Province , China .

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