Diameter of 28.5mm(1.12 inch), nine stage, side-on photomultiplier tubes, borosilicate glass, double-alkali photocathode

Diameter of 28.5mm(1.12 inch), nine stage, side-on photomultiplier tubes, borosilicate glass, double-alkali photocathode 

Features: 

Diameter of 28.5mm(1.12 inch), nine stage, side-on photomultiplier tubes, borosilicate glass,double-alkali photocathode, 170 ~ 350nm spectral response, using a specially designed anti-lag structure, with excellent output stability. 

Applicable technology areas: 

Spectrophotometer, colorimeter, dust meter, light meter, radiation calorimeter,scanning electron microscopy, turbidity meter, particle counter, biochemical analyzer, X-ray camera timer, optical density meter, optical properties to identify,replicate equipment. 

General data:

Spectral Response Range			300~680nm
Wavelength of Maximum Response			420nm
Minimum effective Area			Φ28.5mm
Dynode	Structure	Ring Focused
	Number of Stage	9
Window Material			Borosilicate glass
Anode Pulse rise time			2.ns
Base			E678-11A
Operating ambient temperature			-30°C-50°C
Storage Temperature			-80°C-50°C

Maximum Ratings(Absolute maximum Values):

Between anode and cathode Voltage	1250Vdc
Average anode current	0.02mA

Characteristic(At 25°C ):

Anode  sensitivity	30A/lm
Anode dark current	20nA
Cathode Sensitivity	lumions	50uA/lm(min)  100ua/lm(type)
	Bule Sensitivity Index	--
	Red Sensitivity Index	--
Gain	3x105
Pulse rise time	4ns

Diameter of 28.5mm(1.12 inch), nine stage, side-on photomultiplier tubes, borosilicate glass, double-alkali photocathode