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Products / 光学分析 /光电探测器 /光电倍增管 (PMTs) (160-900nm） /β 探测器 /

β 探测器

STM1111 STM3013 相关产品 Order Now!

β Detector – STM1111

STM1111 β detector can measure low energy β ray, because of its excellent anti-interference ability, can be widely used in environ mental detection, precision measurement, scientific research and other fields.It is mainly composed of photo multiplier, high voltage power supply module, signal forming circuit and scintillator .

STM1111 β detector has the advantages of simplicity, high reliability and high detection efficiency . Before leaving the factory, it has been tested in all aspects, connected to the power supply, the output end can be used with the counting unit.

Product Specifications and Brochures

Paramater		Min.	Typ.	Max.	Unit
Input Voltage		+11.5~ + 12.5			V
Max Input Current		/	/	70	mA
Effective Area		Φ10			mm
Output Pulse Logic		+TTL			/
Output Pulse Amplitude		5±0.5			V
Output Pulse Width		500±100			ns
Background Counting Rate		/	/	3	s^-1
Observed Counting Rate⁽¹⁾		8.8-9k			s^-1
1 Hour Instability⁽²⁾		/	0.2	0.4	%
Work Environment	Temperature	/	+5~+40	/	/
	Humidity	/	/	90%RH	/
Storage Environment	Temperature	-20~+50			℃
	Humidity	/	/	93%RH	/
Test Ambient Temperature		25℃

Note:

(1) Test with a 60μ Ci14C source 3mm from the detector.

(2) 1-hour instability test process: The count rate of detector acquisition was 10.0±0.5ks-1, the collection time of each data was set as 4min, and 15 data were collected cumulatively (1 hour) for each set of data. The absolute value of deviation between each value of each set of data and the mean value was calculated, and the three groups were tested continuously (3 hours). The maximum value of the three groups was the 1-hour operating instability test value. The maximum value is the one-hour operating instability test value . The maximum value is the 1-hour operating instability test value.

Dimension

(unit: mm, line length can be customized)

β Detector – STM3013

STM3013 β detector can measure low energy β ray, because of its excellent anti-interference ability, can be widely used in environmental detection, precision measurement, scientific research and other fields. It is mainly composed of end window photomultiplier, high voltage power supply module, signal forming circuit, scintillator and so on.

The product has the advantages of simplicity, high reliability and high detection efficiency. Before leaving the factory, it has been tested in all aspects, connected to the power supply, and the output end can be used with the counting unit.

Product Specifications and Brochures

Paramater			Min.	Typ.	Max.	Unit
Input Voltage			±11.5~±12.5			V
Max Input Current			≤60(+12V); ≤10(-12V)			mA
Effective Area			Φ25			mm
Output Pulse Llogic			TTL			/
Output Pulse Amplitude			5±0.2			V
Output Pulse Width			500±100			ns
Background Counting Rate			/	/	3	s^-1
Observed Counting Rate⁽¹⁾			26.5-28k			s^-1
1 Hour Instability⁽²⁾			/	0.2	0.4	%
Work Environment	Temperature		+5~+40			℃
	Humidity	Max.	90%RH			/
Storage Environment	Temperature		-20~+50			℃
	Humidity	Max.	93%RH			/
Test Ambient Temperature			25℃

Note:

(1)Test with a 60μCi 14C source 3mm from the detector.

(2)1-hour instability test process: The count rate of detector acquisition was 6.0±0.5ks, the collection time of each data was set to 4min, and 15 data were collected cumulatively (1 hour) for each set of data. The absolute value of deviation between each value of each set of data and the mean value was calculated. The three groups were tested continuously (3 hours), and the maximum value of the three groups was taken as the 1-hour operating instability test value.

Dimension

(unit: mm, line length can be customized)

光电倍增管 (PMT)

型号	光谱响应范围	峰值波长	典型量子效率	有效面积(mm)	典型阴极发光灵敏度	典型阳极灵敏度
头戴式光电倍增管（仅限管）	290 - 650nm	380 - 500nm	12% -,28%	Φ10 - Φ58	40 - 100μA/lm	30 - 2000A/lm
侧开式光电倍增管（仅限管）	160 - 900nm	/	/	8×24	40 - 250μA/lm	400 - 2500A/lm
光电倍增管（模块）	160 - 900nm	400nm, 420nm	/	Φ22 - Φ25 \| 8×24	60 - 250μA/lm	/
微通道板光电倍增管 (MCP-PMT)	115 - 650nm	250nm, 380nm	30%@410nm, 15%@250nm	/	70μA/lm	900A/lm
闪烁体探针	/	/	/	Φ25×25 - Φ75×75	/	/
β 探测器	/	/	/	Φ10, Φ25	/	/

装配和计数单元


高压管插座	侧窗高压管插座	电压电源	计数单元

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Compare	Model		Drawings & Specs	Availability	Reference Price (USD)
		STM1111 β Detector, Input Voltage +11.5~ + 12.5V, Max Input Current 70mA, Effective Area Φ10mm, Output Pulse Logic +TTL, Output Pulse Amplitude 5±0.5V, Output Pulse Width 500±100ns, Background Counting Rate Max. 3 s^-1, Observed Counting Rate 8.8-9k s^-1, 1 Hour Instability Typ. 0.2%		6-8 weeks	Request for quote
		STM3013 β Detector, Input Voltage +11.5~ + 12.5V, Max Input Current ≤60mA(+12V); ≤10mA(-12V), Effective Area Φ25mm, Output Pulse Llogic TTL, Output Pulse Amplitude 5±0.2V, Output Pulse Width 500±100ns, Background Counting Rate Max. 3 s^-1, Observed Counting Rate 26.5-28k s^-1, 1 Hour Instability Typ. 0.2%		6-8 weeks	Request for quote

STM3013 - Parameter

STM1111 - Parameter

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STM1111 - Download

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