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Products / Light Analysis /Photodetectors /Photomultiplier Tubes (PMTs) /Photomultiplier Tube (Module) /

Photomultiplier Tube (Module)

Overview Photon Counter Light Detector Related Products Order Now!

Photomultipliers Tube (Module)

Our photomultipliers tube (Module) including photon counter and light detector. Please check the below table to find the one you need.

Photon Counter

A photo counter, also known as a photon counter or photodetector, is a device used to detect and count individual photons of light. It is a type of optical detector that converts incident photons into measurable electrical signals. It operates based on the principle of photoelectric effect or photovoltaic effect. When a photon strikes the detector, it excites electrons in the material, generating an electrical current or voltage. This signal is then processed and counted by the counting circuitry of the detector. Photo counters are used in various applications where precise measurement and counting of photons are required, such as quantum optics, spectroscopy, biomedical research, communication, and remote sensing.

Light Detector

A light detector, also known as a photodetector or photosensor, is a device that detects and measures the presence or intensity of light. It converts light signals into electrical signals that can be measured or processed. Light detectors are used in a wide range of applications, including photography, optical communication systems, scientific research, security systems, and many others.

Selection Guide for Photomultipliers Tube (Module)

Paramater

Photon Counter

Light Detector

Unit

STM1011

STM2011

STM2012

STM2021

STM2031

STM2111-01

STM2111-02

Min.

Typ.

Max.

Min.

Typ.

Max.

Min.

Typ.

Max.

Image

Input Voltage

+4.75~+5.25

+11.5~+12.5

+4.75~+5.25

±11.75~±12.25

+11.75~+12.25

±11.5~±12.5

Max Input Current

100

150

100

Effective Area

Φ25

Φ22

8×24

Spectral Range

290-650

165-900

160-650

Peak Wavelength

420

400

Output Pulse Logic

TTL

Output Pulse Amplitude

2.5

2.2

2.5

Pulse Pairs Resolving Time

Max.Average Output Signal Current

100

μA

Remommend Control Voltage

+2~+4.5（Impedance 10kΩ）

+2~+5

Cathode Luminous Sensitivity

250

μA/lm

Cathode Radiant Sensitivity

100

mA/W

Anode Radiant Sensitivity

2×105

A/W

Output Luminous Sensitivity

1.2x10⁷

4x10⁶

V/lm

Output Ardiant Sensitivity

3.5

1.7

V/nW

Sensitivity of Counting@400nm

4.5x10⁵

s^-1·pW^-1

Maximum Linear Count Rate

6x10⁶（Before Calibration）

1.0x10⁷（Before Calibration）

s-¹

20x10⁶（After correction）

4.0x10⁷（After Correction）

Red and White Ratio

0.3

IV Conversion Ratio

0.05

V/μA

Frequency Bandwidth

DC to 20

500

kHz

Max Linear Output Voltage

Offset Voltage

±2

Dark Current

Dark Count

s^-1

Ripple Noise

Consistency

±10

8 Hour Instability

0.6

Recommended Load Resistance

Weight

280

445

220

225

Work Environment

Temperature

+5~+40

℃

Humidity

90%RH (Max.)

Storage Environment

Temperature

-20~+50

-10~+50

-20~+50

℃

Humidity

93%RH(Max.)

Test Ambient Temperature

25℃

Photon Counter – STM1011/STM2011/STM2012

These photon counters including STM1011/STM2011/STM2012.The STM1011 and STM2011 are mainly composed of head-on photomultiplier tube, high voltage power supply module and signal forming circuit. They are used in biology, medicine, chemistry and other fields, mainly involving weak light detection, precision measurement. The STM2012 is a photon counting detector which is composed of head-on photomultiplier, high voltage power supply module and comparative forming circuit.

The products have been tested in all aspects, switch on the power supply, the output end and the counting unit can be connected to use. Product performance can be customized according to customer demand.

Product Specifications and Brochures

Product Brochure Link:

Paramater		STM1011			STM2011			STM2012			Unit
		Min.	Typ.	Max.	Min.	Typ.	Max.	Min.	Typ.	Max.
Image
Input Voltage		+4.75~+5.25			+11.5~+12.5			+4.75~+5.25			V
Max Input Current		60			70			100			mA
Effective Area		Φ25			Φ25			Φ22			mm
Spectral Range		290-650									nm
Peak Wavelength		420
Output Pulse Logic		TTL									/
Output Pulse Amplitude⁽¹⁾		2	2.5	/	2	2.5	/	/	2.2	2.5	V
Pulse Pairs Resolving Time		20			20			/	/	/	ns
Sensitivity of Counting		4.5×10⁵ @400nm									s^-1·pW^-1
Maximum Linear Count Rate⁽²⁾		6×10⁶（Before Calibration）						1.0×10⁷（Before Calibration）			s^-1
		20×10⁶（After correction）						4.0×10⁷（After Correction）
Dark Count⁽³⁾		/	80	200	/	80	200	/	100	200	s^-1
Consistency⁽⁴⁾		/	/	±10	/	/	±10	/			%
8 Hour Instability⁽⁵⁾		/	0.60	3	/	0.60	3	1			%
Pulse Pair Resolution Time		/	/	/	/	/	/	17			ns
Recommended Load Resistance		50									Ω
Weight		280			445			220			g
Work Environment⁽⁶⁾	Temperature	+5~+40									℃
	Humidity	90%RH (Max.)									/
Storage Environment	Temperature	-20~+50									℃
	Humidity	93%RH (Max.)									/
Test Ambient Temperature		25℃									℃

Note:(1)Load 50Ω. (2) STM1011:After correction, it is obtained by STM1011 with the correction function of the northern night vision counter unit. STM2011:After correction, it is obtained by STM2011 with the correction function of the northern night vision counter unit. STM2012:Random pulse; STM2012 income before correction; After correction, it is obtained by STM2012 cooperating with the correction function of counter unit STM4011.(3)After 30 minutes of light avoidance, the room temperature was 25℃, the test was conducted for 300s, and the mean value was calculated. (4) STM1011/ STM2011:The light source wavelength is between 400~500nm, and the detector output counting rate is about 15ks-1. (5)The detector output counting rate is about 30ks-1_.(6)No condensation.

Spectral Graph

Spectral Response Curve	Count Rate Correction Curve

STM1011 / STM2011 / STM2012	STM1011 /STM2011 / STM2012

Graph of Dark Counting Rate With Temperature	Graph of Dark Count Variation With Temperature

STM1011 / STM2011	STM1011 / STM2011 / STM2012

Dimension


STM1011	STM2011

STM2012

Light Detector - STM2021/STM2031/STM2111

These light detectors including STM2021/STM2031/STM2111, the STM2021 light detector is composed of head-on photomultiplier tube, power supply circuit and amplifier circuit, the STM2031 light detector is composed of head-on photomultiplier tube and power supply circuit.

The STM2111 photometric detector consists of side window photomultiplier tube, high voltage power supply module and amplifier circuit. It is mainly used in high energy physics, vitro diagnosis, precision measurement and other fields.

The gain of the light detectors can be controlled by resistance regulation or voltage regulation.

STM2111

Product Specifications and Brochures

Product Brochure Link:

Paramater		STM2021	STM2031	STM2111-01	STM2111-02	Unit
Image
Input Voltage		±11.75~±12.25	+11.75~+12.25	±11.5~±12.5		V
Max Input Current		150		100		mA
Effective Area		Φ22		8×24		mm
Spectral Range		290-650		165-900	160-650	nm
Peak Wavelength		420			400	nm
Max.Average Output Signal Current		/	100	/		μA
Remommend Control Voltage		+2~+4.5（Impedance 10kΩ）		+2~+5		V
Cathode Luminous Sensitivity⁽¹⁾		90		250	60	μA/lm
Cathode Radiant Sensitivity⁽¹⁾⁽³⁾		100		70	25	mA/W
Anode Radiant Sensitivity⁽¹⁾		2×10⁵		/	/	A/W
Output Luminous Sensitivity⁽¹⁾		/		1.2×10⁷	4×10⁶	V/lm
Output Ardiant Sensitivity⁽¹⁾⁽³⁾		/		3.5	1.7	V/nW
Red and White Ratio		/		0.3	/	/
IV Conversion Ratio		1	/	0.05		V/μA
Frequency Bandwidth		DC to 20	/	500		kHz
Max Linear Output Voltage⁽¹⁾		5	/	5		V
Offset Voltage⁽¹⁾⁽⁴⁾		/		±2		mV
Dark Current⁽⁵⁾		/	10	/		nA
Ripple Noise⁽¹⁾⁽²⁾		4				mV
Weight		220		225		g
Work Environment	Temperature	+5~+40				℃
	Humidity	90%RH				/
Storage Environment	Temperature	-10~+50		-20~+50		℃
	Humidity	93%RH				/
Test Ambient Temperature		25				℃

Note: (1)Control voltage +4V. (2)Load resistance 1MΩ, capacitance 22pF test. (3) STM2111: Wavelength of incident light: 400nm.(4) Preheating time: 30min. (5) Test after 30min of light avoidance.

Spectral Graph

Spectral Response Curve

STM2021 / STM2031

STTM20111

Dark Current Temperature Characteristic Curve

STM2021 / STM2111

Dark Current Temperature Characteristic Curve

STM2031

Output Current Linearity

Dark Current Temperature Characteristic Curve

STM2031

Wiring and Gain Adjustment Method


STM2021	STM2031

STM2111

Dimension


STM2021 / STM2031	STM2111

Photomultipliers Tube (PMT)

Model	Spectral Response Range	Peak Wavelength	QE Typ.	Effective Area(mm)	Cathode Luminous Sensitivity Typ.	Anode Sensitivity Typ.
Photomultipliers Tube Head-On (Tube Only)	290 - 650nm	380 - 500nm	12% -,28%	Φ10 - Φ58	40 - 100μA/lm	30 - 2000A/lm
Photomultipliers Tube Side On(Tube Only)	160 - 900nm	/	/	8×24	40 - 250μA/lm	400 - 2500A/lm
Photomultipliers Tube (Module)	160 - 900nm	400nm, 420nm	/	Φ22 - Φ25 \| 8×24	60 - 250μA/lm	/
Microchannel Plate - Photomultiplier (MCP-PMT)	115 - 650nm	250nm, 380nm	30%@410nm, 15%@250nm	/	70μA/lm	900A/lm
Scintillator Probe	/	/	/	Φ25×25 - Φ75×75	/	/
β Detector	/	/	/	Φ10, Φ25	/	/

Assemblies and Counting Unit


High Voltage Tube Socket	High Voltage Tube Socket for Side Window	Voltage Power Supply	Counting Unit

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	Availability	Reference Price (USD)
STM1011 Photon Counter, Input Voltage +4.75~+5.25V, Max Input Current 60mA, Effective Area Φ25mm, Spectral Range 290-650nm, Peak Wavelength 420nm, Output Pulse Logic TTL, Output Pulse Amplitude Typ. 2.5V, Sensitivity of Counting 4.5×10^5 @400nm, Maximum Linear Count Rate 20×10^5 After Correction, Dark Count Typ. 80 s^-1	6-8 weeks	Request for quote
STM2011 Photon Counter, Input Voltage +11.5~+12.5V, Max Input Current 70mA, Effective Area Φ25mm, Spectral Range 290-650nm, Peak Wavelength 420nm, Output Pulse Logic TTL, Output Pulse Amplitude Typ. 2.5V, Sensitivity of Counting 4.5×10^5 @400nm, Maximum Linear Count Rate 20×10^6 After Correction, Dark Count Typ. 80 s^-1	6-8 weeks	Request for quote
STM2012 Photon Counting Detector, Input Voltage Typ. +4.75~+5.25V, Max Input Current 100mA, Effective Area Φ22mm, Spectral Range 290-650nm, Peak Wavelength 420nm, Output Pulse Logic TTL, Output Pulse Amplitude Typ. 2.2V, Sensitivity of Counting 4.5×10^5 @400nm, Maximum Linear Count Rate 4.0×10^7 After Correction, Dark Count Typ. 100 s^-1	6-8 weeks	Request for quote
STM2021 Light Detector, Input Voltage ±11.75~±12.25V, Max Input Current 150mA, Effective Area Φ22mm, Spectral Range 290-650nm, Peak Wavelength 420nm, Remommend Control Voltage +2~+4.5V（Impedance 10kΩ), Cathode Luminous Sensitivity 90μA/lm, Cathode Radiant Sensitivity 100mA/W, Anode Radiant Sensitivity 2×10^5 A/W, IV Conversion Ratio 1V/μA，Max Linear Output Voltage 5V, Ripple Noise 4 mV	6-8 weeks	Request for quote
STM2031 Light Detector, Input Voltage +11.75~+12.25V, Max Input Current 150mA, Effective Area Φ22mm, Spectral Range 290-650nm, Peak Wavelength 420nm, Max.Average Output Signal Current 100 μA，Remommend Control Voltage +2~+4.5V（Impedance 10kΩ), Cathode Luminous Sensitivity 90μA/lm, Cathode Radiant Sensitivity 100mA/W, Anode Radiant Sensitivity 2×10^5 A/W, Dark Current 10nA，Ripple Noise 4 mV	6-8 weeks	Request for quote
STM2111-01 Photometric Detector, Input Voltage ±11.5~±12.5V, Max Input Current 100mA, Effective Area 8×24mm, Spectral Range 165-900nm, Peak Wavelength 420nm，Remommend Control Voltage +2~+5V, Cathode Luminous Sensitivity 250μA/lm, Cathode Radiant Sensitivity 70mA/W, Output Luminous Sensitivity 1.2×10^7V/lm, Output Ardiant Sensitivity 3.5 V/nW，IV Conversion Ratio Ripple 0.05V/μA, Offset Voltage ±2mV, Ripple Noise 4 mV	6-8 weeks	Request for quote
STM2111-02 Photometric Detector, Input Voltage ±11.5~±12.5V, Max Input Current 100mA, Effective Area 8×24mm, Spectral Range 160-650nm, Peak Wavelength 400nm，Remommend Control Voltage +2~+5V, Cathode Luminous Sensitivity 60μA/lm, Cathode Radiant Sensitivity 25mA/W, Output Luminous Sensitivity 4×10^6V/lm, Output Ardiant Sensitivity 1.7 V/nW，IV Conversion Ratio Ripple 0.05V/μA, Offset Voltage ±2mV, Ripple Noise 4 mV	6-8 weeks	Request for quote