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NaI(Tl) Detector(PMT Readout)

Advantage：

1.High light output

2.High detection efficiency

3.Low cost

4.Good high temperature resistance

5. FWHM 7%

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Description Related Products

Detector 1

Introduction
KHD-1 scintillation detector is a new generation γ-ray measurement device. Combined with lead chamber and Multi-channel Analyzer(MCA) to form Energy Spectrometer, widely used in weak radioactivity analysis field, such as building materials, food, geology etc.

KHD-1 scintillation detector's advantage including compact structure,easy operation,low background,excellent energy resolution,stable output,high reliability,durability and high detection efficiency.

Properties

Specification	Range	Unit
Scintillator Effective Size	φ50 X 50	mm
Input Voltage	11.5 ~12.5	V
Input Current	≤60	mA
Output Polarity	Positive Polarity	-
Output Amplitude (MAX)¹^）	9	V
Output Amplitude（TYPE）²^）	1	V
Resolution（Cs137）³^）	≤8.5	%
Background Count Rate（30kev~3Mkev）	≤250	min^-1
Work Temperature	0℃ ~ +40	℃
Storage Temperature	-20 ~ 55	℃
Humidity	≤90	%

Notes：
1.Detector signal exceeds this value, a truncation will occur.
2.The amplitude of signal is usually less than 1V in spectrum analysis.
3.The value is measured when detector preheated for 10 minutes, the counting rate within 1000, total counting number is less than 10⁵ in Cs¹³⁷ peak.

Working Principle

Interface

Interface	Wiring	Wiring Definition
BNC	Coaxial Cable	Signal Line
DB9	Triple-core Shielding Wire	2:+12V、5:-12V、9:GND
SHV	Single-core Shielding Wire	High Voltage 0 ~ 1250V

Detector 2

Introduction

KHD-2 scintillation detector is another generation γ-ray measurement device. Combined with lead chamber and Multi-channel Analyzer(MCA) to form Energy Spectrometer, widely used in weak radioactivity analysis field, such as building materials, food, geology etc.
KHD-1 scintillation detector's advantage including compact structure,easy operation,low background,excellent energy resolution,stable output,high reliability,durability and high detection efficiency.

Properties

Specification	Range	Unit
Scintillator Effective Size	φ50 X 50	mm
Input Voltage	11.5 ~12.5	V
Input Current	≤60	mA
Output Polarity	Positive Polarity	-
Output Amplitude (MAX)¹^）	9	V
Output Amplitude（TYPE）²^）	1	V
Resolution（Cs137）³^）	≤8.5	%
Background Count Rate（30kev~3Mkev）	≤250	min^-1
Work Temperature	0℃ ~ +40	℃
Storage Temperature	-20 ~ 55	℃
Humidity	≤90	%

Notes：
1.Detector signal exceeds this value, a truncation will occur.
2. The amplitude of signal is usually less than 1V in spectrum analysis.
3.The value is measured when detector preheated for 10 minutes, the counting rate within 1000, total counting number is less than 10⁵ in Cs¹³⁷ peak.

Working Principle