GD-708 uv photosensitive tube is a cold cathode gas-filled diode
GD-708 ultraviolet photosensitive tube ultraviolet detector, flame detection, fire alarm
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.
| Model | GD-708 |
| Volts | 220V |
| Watts | 11W |
| Peak Current | 4mA |
| Average Life | 10000H |
A. Dimensions
Height of photosensitive tube (H): (30±2)mm
Outer diameter of photosensitive tube (D): Φ(19±1)mm
Pin length (L): 8mm
B. Main parameters
Spectral response range: 185nm~290nm
Peak wavelength: 210nm
Anode voltage (V): 220-300
Peak current (mA): 4
Average output current (mA): 2
Ambient temperature (ºC): -30 80
C. Working conditions and typical characteristics (25ºC)
Starting voltage (V): 195
Tube voltage 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
APPLICATION SCENARIOS
We always focusing on manufacture of medical lamps, main products include Microscope bulbs、Surgical light bulbs、Dental bulbs、Slit lamp bulbs、Endoscopic bulbs、Biochemical bulbs、ENT bulbs, etc.
