STM2012

Compare	Model		Drawings & Specs	Availability	Reference Price
		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	Cart
		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	Cart
		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	Cart
		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	Cart
		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	Cart
		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	Cart

Compatible

Product Specifications

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.