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Metal Package PMT with Cooler
Photosensor Modules H7422 Series
The H7422 series are photosensor modules with an internal high-voltage power supply circuit and a cooler installed to the metal package photomultiplier tube. Efficient cooling was achieved by placing the cooler near the photomultiplier tube to reduce thermal noise emitted from the photocathode and a high S/N ratio can be obtained even at extremely low light levels. The H7422-40 has high sensitivity in the 300 nm to 720 nm wavelengths. The H7422-50 is sensitive along a wide spectral range from 380 nm to 890 nm. The H7422-01, H7422-02 and H7422-20 have a maximum output current value of 100 A and so are extremely effective when measurements are needed over a wide dynamic range. The photomultiplier tube is maintained at a constant temperature by monitoring the output from a thermistor installed near the photomultiplier and then regulating the current to the thermoelectric cooler.
Heatsink with fan (A7423) sold separately
Product Variations
Type No. Spectral Response Max. Output Signal Current H7422-40 300 nm to 720 nm H7422P-40 2 A H7422-50 380 nm to 890 nm H7422P-50 300 nm to 850 nm H7422-01 300 nm to 870 nm 100 A H7422-02 300 nm to 890 nm H7422-20 Features GaAsP photocathode, QE 40 % at peak For photon counting wavelength, high gain (P type) GaAs photocathode, QE 12 % at peak For photon counting wavelength, high gain (P type) Multialkali photocathode Infrared-extended multialkali photocathode Infrared-extended high-sensitivity multialkali photocathode
Specifications
Parameter Suffix Input Voltage Max. Input Voltage for Main Unit Max. Input Current for Main Unit Max. Input Voltage for Thermoelectric Cooler Max. Input Current for Thermoelectric Cooler Max. Output Signal Current Max. Control Voltage Recommended Control Voltage Adjustment Range Effective Area Sensitivity Adjustment Range Peak Sensitivity Wavelength 420 nm Radiant Sensitivity 550 nm 800 nm Radiant Sensitivity *1 550 nm Typ. Dark Current *1 *2 Max. Radiant Sensitivity *3 550 nm Typ. Dark Count *2 *3 Max. Rise Time *1 Ripple Noise *1 *4 (peak to peak) Max. Settling Time *5 Operating Ambient Temperature Storage Temperature Weight Cathode P Type Standard Type Anode -40 -50 H7422 Series -01 +11.5 to +15.5 +18 2.6 2.2 100 +0.9 (Input impedance 100 k) +0.25 to +0.8 +0.5 to +0.8 5 7 1: 104 1: 50 400 800 580 500 56 15 108 40 36 50 176 56 1.2 90 -- 6.4 1.8 x 104 2.5 x 104 8.8 x 104 2.8 x 104 0.4 0.5 0.03 0.08 1.0 1.3 0.08 0.2 1.8 x 105 5.0 x 104 -- -- -- -- 100 125 -- -- 300 375 1.00 0.78 0.6 0.2 +5 to +35 -20 to +50 Approx. 400 2 -02 -20
Unit -- V V mA V A A V V mm -- nm
62
30
630 40 72 46 3.6 x 104 0.1 0.25 -- -- --
mA/W A/W nA A/W s-1 ns mV s C C g
18
*1: Control voltage = +0.8 V PMT setting temperature 0 C, used with C8137-02 and A7432 *2: After 30 minute storage in darkness *3: Plateau voltage, PMT setting temperature 0 C, used with C8137-02 and A7423 *4: Cable RG-174/U, Cable length 450 mm, Load resistance = 1 M, Load capacitance = 22 pF *5: The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to +0.5 V.
Current Output Type Photosensor Modules
Cooling Specifications
Parameter Cooling Method Max. Cooling Temperature (T) *6 Cooling Time *6
*6: Input current to thermoelectric cooler=2.0 A
H7422 Series Thermoelectric cooling 35 Approx. 5
Unit -- C min
Characteristics (Cathode radiant sensitivity, Gain)
TPMOB0135EB
1000 H7422-40
108
TPMOB0136EA
108
TPMOB0137EB
CATHODE RADIANT SENSITIVITY (mA/W)
H7422-20 107 107
100 H7422P-40/-50 106 H7422-40/-50 106 H7422-01/-02/-20
GAIN
10
H7422-01
105
GAIN
0.5 0.7 1.0 1.5 2.0
105
H7422-02 1 H7422-50
104
104
103
103
0.1 200
400
600
800
1000
102 0.25 0.3
102 0.25 0.3
0.5
0.7
1.0
1.5
2.0
WAVELENGTH (nm)
CONTROL VOLTAGE (V)
CONTROL VOLTAGE (V)
Block Diagram
POWER INPUT for THERMOELECTRIC THERMISTOR COOLER
Dimensional Outlines (Unit: mm)
8-M3 DEPTH: 2 POWER INPUT TAJIMI PRC03-23A10-7M ACROSS SECTION
PHOTOCATHODE WINDOW
22.2 0.2
15.0 0.2 26.0 0.2
M25.4 P=1/32" C-MOUNT
10.2
18.5 0.2
THERMOELECTRIC COOLER
SIGNAL OUTPUT (CURRENT OUTPUT) PMT HV POWER SUPPLY VOLTAGE DIVIDER CIRCUIT
25.4 0.2 53.6 0.2 TOP VIEW
4.0 0.1
SIGNAL OUTPUT BNC-R
6.4 0.2 7.4 0.2 14.8 0.2 A
O-RING GROOVE (S-28 O-RING INCLUDED) 4-M2 DEPTH: 2 4-M3B 36.0 0.3 20.0 0.2 20.0 0.2
PHOTOCATHODE B 8-M3C A
BCROSS SECTION
7.2
PMT
CCROSS SECTION
Vcc
GND
CONTROL VOLTAGE INPUT (H7422-01, -02, -20: +0.25 V to +0.8 V) (H7422-40, -50: +0.5 V to +0.8 V)
TPMOC0144EB
6.5 0.2
M3 DEPTH: 4.0 Max.
2.0 0.2
M3 DEPTH: 4.0 Max.
GUIDE MARK A 19.0 0.2 25.0 0.2 104 1 SIDE VIEW H7422-40/-50 H7422-01/-02/-20 16.3 0.2 15.3 0.3 5 7 A: THERMISTOR 1 B: THERMISTOR 2 C: THERMOELECTRIC EG B COOLER + D C D: THERMOELECTRIC COOLER - E: Vcc LOW VOLTAGE INPUT(+15 V) TAJIMI PRC03-23A10-7M F: CONTROL VOLTAGE INPUT (H7422-01, -02, -20: +0.25 V to +0.8 V) (H7422-40, -50: +0.5 V to +0.8 V) G: GND
F A
TPMOA0024EC
9.5 0.1 44.0 0.2 56.0 0.3 FRONT VIEW
M25.4 P = 1/32" C-MOUNT
A B
19
Metal Package PMT with Cooler
H7422 Series option
1 4
OPTICAL FIBER
OPTICAL FIBER ADAPTER A7412
HEATSINK with FAN A7423
2
SOLD SEPARATELY
POWER SUPPLY UNIT with TEMPERATURE CONTROL M9012
6
CN01 CHK1
DIRECT
6
POWER SUPPLY UNIT with TEMPERATURE CONTROL C8137-02
5
SAMPLE
C-MOUNT LENS
C-MOUNT ADAPTER A7413
PHOTOSENSOR MODULE H7422 SERIES
3
SIGNAL CABLE E1168-05
ON ON
SIGNAL OUTPUT
G Heatsink with Fan A7423
The temperature of the H7422 outer case rises due to the thermoelectric cooler housed in the case. The A7423 heatsink efficiently radiates away this heat to prevent a temperature rise in the H7422. The A7423 can be easily installed onto the H7422 with four M3 screws. Apply a heat conductive grease onto the joint surface shared by the H7422 and A7423. Parameter Input Voltage During Lock Input Current During Operation Operating Voltage Weight Value 12 140 90 10.2 to 13.8 120 Unit V mA mA V g
G Signal Cable E1168-05
This signal cable is terminated with a BNC connector for easily connecting the H7422 to external equipment.
G Optical Fiber Adapter (FC Type) A7412
The A7412 is an FC type optical fiber connector that attaches to the light input window of the H7422. The A7412 can easily be secured in place with four M2 screws.
G C-Mount Adapter A7413
The A7413 mount adapter is used when a C-mount lens protruding 4 mm or more from the flange-back must be installed onto the H7422.
G Power Supply Unit with Temperature Control M9012
The M9012 is an on-board type power supply unit. By just connecting to 12 V supply, the M9012 provides power necessary to operate the H7422 series. The M9012 also controls the thermoelectric cooler in the H7422 series so that the output and noise can be maintained at constant levels even when the ambient temperature changes. The thermoelectric cooler and PMT operation can be controlled from an external device by connecting it to the I/O connector on the M9012. Parameter Max. Cooling Temperature (T) Input Voltage Max. Input Current Max. Power Consumption Main Circuit Output Voltage Max. Output Current for Thermoelectric Cooler Output Voltage for Fan Max. Control Output Voltage Max. Control Input Voltage Thermoelectric Cooler Control PMT Signal Input Voltage Fan Error Signal Thermoelectric Cooler Output Voltage PMT PMT LED Output Error Setting Cooling Temperature Weight (excluding cables) 20 Value 35 12 1.2 15.8 12 2.2 12 1.26 0.9 Non-insulated TTL level input Non-insulated TTL level input Non-insulated TTL level input Non-insulated TTL level output Non-insulated TTL level output 5 5 0 120 Unit C V A V*A V A V V V -- -- V C g
G Power Supply Unit with Temperature Control C8137-02
The C8137-02 is a power supply unit with a temperature control function. Just connecting to an AC source of 100 V to 240 V generates the output voltages for the thermoelectric cooler and the A7423 fan, needed for operating the H7422. The photomultiplier tube temperature can be maintained to 0 C by monitoring the thermistor and regulating the output current for the thermoelectric cooler. Control voltage can be varied by a knob on the front panel. Parameter Value Max. Cooling Temperature (T) 35 Setting Cooling Temperature 0 (preset at factory) Input Voltage AC 100 to AC 240 Input Voltage Frequency 50/60 Power Consumption 30 Main Circuit Output Voltage +15 2.2 Max. Current for Thermoelectric Cooler 12 Output Voltage for Fan 0 to +0.9 Control Voltage Adjustment Range 1.1 Weight Unit C C V Hz V*A V A V V kg
ON
SW2
SW1
CHK2
2345
CHK3
CHK4 CN5
CN04
CABLES (Supplied with M9012 or C8137-02)
GND
Vcont
Don't use
Vcont-ADJ CN03
INPUT 12 V
1
POWER INPUT AC 100 V to AC 240 V
TPMOC0145EC
Current Output Type Photosensor Modules H7422 Series
Options (Unit: mm)
1 Heatsink with Fan A7423
LEAD LENGTH 50 10
4 Optical Fiber Adapter (FC Type) A7412
4- 2.2 4 TAPERED DEPTH 1.5 2.5 M8 P=0.75
16.5 0.3 22.2 0.2
52.0 0.5
9.5 15 FRONT VIEW
3.0 4-M2 L=3
5.5 3 9 SIDE VIEW
LIGHT SHIELD SHEET (THICKNESS: 0.5)
TOP VIEW 4-M3 (SUPPLIED)
TACCA0190EB
40 1
24.5 0.5
5 C-Mount Adapter A7413
8
M25.4 P=1/32" C-MOUNT
19.2 0.3
53.6 0.3 92.0 0.5 SIDE VIEW
JST XMR-02V 30
TACCA0188ED
4
2 Power Supply Unit with Temperature Control M9012
70.0 0.1 4-M2 15.0 0.1 28.0 0.2
14
TACCA0191EA
6 Power Supply Unit with Temperature Control C8137-02
40.0 0.1 13.8 0.2 POWER SWITCH 50.0 0.2 PHOTOSENSOR SWITCH CONTROL VOLTAGE ADJUSTABLE DIAL
SW1 CN01 ON
SW2
1
2345
CN03
ON
CN5 CHK1 CHK2 CHK3 CHK4
CN04
ON
GND
Vcont
Don't use
Vcont-ADJ
5.0 0.1
17.5 0.2 100.0 0.3
M25.4 P=1/32" C-MOUNT
22
6
16.0 0.5 FRONT VIEW 46.0 0.5
CONTROL VOLTAGE DISPLAY
FAN CABLE 1500 50
MODULE CABLE 1500 50 POWER CABLE 1000 50 EXTERNAL I/O CABLE
212 1 SIDE VIEW MODULE OUTPUT AC INPUT
12.5
1000 50
FAN OUTPUT REAR VIEW
FUSE
EXTERNAL I/O HOUSING
TACCA0251EA
POWER CABLE 1500 -0
+50
FAN CABLE
3 Signal Cable E1168-05
AC CABLE
BNC-P 1500
+50 -0
1500 -0
+50
BNC-P
TACCA0148EA
1800 to 2000
TACCA0238EB
8
42
21

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