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C8855-01_15 Datasheet, PDF (2/4 Pages) Hamamatsu Corporation – USB INTERFACE COMPATIBLE COUNTING UNIT
SPECIFICATIONS
Parameter
Description / Value
Number of Input Signals
1 ch
Input
Signal Input Level
Signal Pulse Width
CMOS positive logic (high level: 2 V min.)
8 ns or longer
Input Impedance
50 Ω
Counter Method
Double counter method
Counter
Max. Count Rate
50 MHz
Max. Counter Capacity
232 counts / counter gate
Counter Gate
Counter Gate Mode
Internal Counter Gate Time A
Internal counter gate only
50 µs to 10 s (1, 2, 5 step)
Trigger
ID Switch B
Trigger Method
External Trigger Signal
Software / External trigger
TTL negative logic
0 to F (hexadecimal number)
General Output Section
Open collector / 2 bits
Voltage Output for Photon Counting Head
+5 V / 200 mA Max.
OS
Windows® 2000 / XP Pro / Vista Business (32) / 7 Pro (32)
Interface
USB
Supply Voltage
+7 V / 500 mA Max. (supplied from AC adapter)
Dimensions (W × H × D)
120 mm × 30 mm × 96 mm (excluding rubber feet and projecting parts)
Weight
Operating Ambient Temperature / Humidity C
Storage Temperature / Humidity C
250 g
+5 °C to +45 °C / Below 80 %
0 °C to +50 °C / Below 85 %
CE Marking
Conforms to IEC61236-1 GROUP 1, CLASS B
AC Adapter
Input
Output
100 V to 240 V
+7 V / 1.6 A
Supplied: CD-ROM (containing instruction manual, device driver, DLL, sample software*, etc.) USB cable, AC adapter, AC cable, power output connector
*: Sample software is configured from Lab VIEW™ of National Instruments, Inc.
AThe C8855-01 is not suitable for applications requiring time resolution higher than 50 µs. In such applications, use a counting board M9003-01.
BThe ID switch is used to set ID numbers when two or more C8855-01 units are connected to single PC.
CNo condensation
BLOCK DIAGRAM
SIGNAL INPUT
PULSE
SHAPER
EXTERNAL START
ID SWITCH
2 BIT OUTPUT
COUNTER (A)
COUNTER (B)
CLK
GENERATOR
TIMING
GENERATOR
IO PORT
FIFO
CPU
USB
INTERFACE
USB
COUNT DATA LINE
CONTROL LINE
IO PORT LINE
TPHOC0059EA