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H7421 View Datasheet(PDF) - Hamamatsu Photonics

Part NameDescriptionManufacturer
H7421 Photon Counting Head Hamamatsu
Hamamatsu Photonics Hamamatsu
H7421 Datasheet PDF : 4 Pages
1 2 3 4
Metal package PMT with Cooler
Options for H7421 Series
OPTICAL
FIBER
4
OPTICAL FIBER
ADAPTER
A7412
1
HEATSINK with FAN
A7423
SAMPLE
DIRECT INPUT
C-MOUNT
LENS
5
C-MOUNT
ADAPTER
A7413
PHOTONCOUNTING HEAD
H7421 SERIES
CABLES
(Included with M9011
or C8137)
3
SIGNAL CABLE
E1168-05
SOLD SEPARATELY
2 POWER SUPPLY UNIT
with TEMPERATURE
CONTROL M9011
6
POWER SUPPLY UNIT
with TEMPERATURE CONTROL
C8137
ON
ON
INPUT
12 V
INPUT
AC 100 V to
AC 240 V
G Heatsink with Fan A7423
The temperature of the H7421 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 H7421. The A7423 can be easily installed onto the
H7421 with four M3 screws. Apply a coat of heat conductive
grease onto the joint surface shared by the H7421 and
A7423.
Parameter
Value
Unit
Input Voltage
12
V
During Lock
140
mA
Input Current During Operation
90
mA
Operating Voltage
10.2 to 13.8
V
Weight
120
g
G Power Supply Unit with Temperature Control M9011
The M9011 is an on-board type power supply unit.
By just connecting to 12 V supply, the M9011 provides power
necessary to operate the H7421 series. The M9011 also
controls the thermoelectric cooler in the H7421 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 M9011.
Parameter
Value
Unit
Max. Cooling Temperature (T)
35
°C
Input Voltage
12
V
Max. Input Current
1.2
A
Max. Power Consumption
15.8
V·A
Main Circuit Output Voltage
5
V
Max. Output Current for Thermoelectric Cooler
2.2
A
Output Voltage for Fan
12
V
Thermoelectric Cooler Non-insulated TTL level input
Control Signal PMT
Non-insulated TTL level input —
Input Voltage Fan
Non-insulated TTL level input
Error Signal Thermoelectric
Output Voltage Cooler
Non-insulated TTL level output —
PMT
LED Output Error
5
5
V
Setting Cooling Temperature
0
°C
Weight (excluding cables)
120
g
42
COUNTER
TPHOC0040EE
G Signal Cable E1168-05
This signal cable comes attached to a BNC connector for
easily connecting the H7421 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 H7421. 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 pro-
truding 4 mm or more from the flange-back must be installed
onto the H7421.
G Power Supply Unit with Temperature Control C8137
The C8137 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 H7421. The pho-
tomultiplier tube temperature can be maintained to 0 °C by
monitoring the thermistor and regulating the output current for
the thermoelectric cooler.
Parameter
Value
Unit
Max. Cooling Temperature (T)
35
°C
Setting Cooling Temperature
(preset at factory)
0
°C
Input Voltage
AC 100 to AC 240
V
Input Voltage Frequency
50/60
Hz
Power Consumption
30
V·A
Main Circuit Output Voltage
+5
V
Max. Current for Thermoelectric Cooler
2.2
A
Output Voltage for Fan
12
V
Weight
1
kg
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