HAMAMATSU C8855 Datasheet

USB INTERFACE COMPATIBLE

NEW

COUNTING UNIT
C8855

■Connection Example

PHOTON COUNTING HEAD
H7155, H7421, H7360, H8259

PHOTON

COUNTING

PMT

PHOTON

COUNTING

UNIT

C3866, C6465

SUPPLY
POWER

TTL
OUTPUT

COUNTING UNIT

C8855

USB

OVER VIEW FEATURES

The C8855 is a counting unit with a USB interface and can be
used as a photon counter when combined with a photon
counting head, etc.
The counter of the C8855 has two counter circuits (double
counter method) capable of counting input signals with no dead
time. The USB interface easily connects to a notebook PC
allowing measurement in an even wider application field. When
used with a photon counting head, the C8855 supplies power
(+5 V / 200 mA) necessary to operate the photon counting head.
Since the C8855 is hot-swap compatible (plug and play
compatible), it helps you set up measurement environment
quickly. You can start measurement on the day the C8855 is
delivered by using the sample software that supplied with the
C8855.
The C8855 cannot be used in simultaneous dual- channel measurements or long-time measurements with a fast time resolution. In
such applications, use the M8784 counting board also available from Hamamatsu.

• Time-resolved measurement (minimum resolution: 50 µs) for monitoring weak light detection like chemiluminescence
or biological clocks

• Quick measurement setups (hot-swap compatible)

You can start measurement by just connecting the USB cable without restarting the PC, if required software (device driver, etc) is
installed into your PC beforehand.

• Applicable to various measurement methods

The C8855 is fully controlled by DLL (dynamic link library) functions that supplied with the C8855.
User can create own software program, which is adequate for various type of user measurement, based on the DLL functions.

●

Compatible with USB interface (Ver. 1.1)

●

Compatible with Windows

●

Sample software supplied as standard item

●

Accurate measurement with no dead time

®

98/98SE/2000/Me

(double counter method)

Supplies power to operate photon counting head

●

(power supply capacity: +5 V / 200 mA)

SPECIFICATIONS

Description / ValueParameter

Number of Input Signals

Input

Signal Input Level
Signal Pulse Width
Input Impedance
Counter Method

Counter

Max.Count Rate
Max.Counter Capacity

Counter Gate

Trigger

Counter Gate Mode
Internal Counter Gate Time
Trigger Method

External Trigger Signal
General Output Section
Voltage Output
Compatible OS

Double counter method

32

2

Internal counter gate only

50 µs to 10 s (1, 2, 5 step)

Software or external trigger

Open collector / 2 bits

+5 V / 200 mA Max.

Windows
Interface
Supply Voltage
Dimensions

(W): 148 mm × (D): 96 mm × (H): 30 mm (excluding rubber feet and projecting parts)

+5 V / 500 mA Max. (supplied from accessory AC adapter)

Weight
Operating Ambient Temperature / Humidity
Storage Temperature / Humidity

AC Adapter

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.

: Conforms to the EMC directive (89/336/EEC) and the low voltage directive (73/23/EEC) of the European Union.

Input
Output

+5 °C to +45 °C / 80 % or less (no condensation)

0 °C to +50 °C / 85 % or less (no condensation)

AC 90 V to AC 260 V

1 ch

TTL positive logic

8 ns or longer

50 Ω

50 MHz

counts/counter gate

TTL negative logic

®

98/98SE/Me/2000

USB (Ver. 1.1)

300 g

7 V / 1.6 A

BLOCK DIAGRAM DIMENSIONAL OUTLINES (Unit: mm)

SIG IN DC OUT

SIG IN
BNC-R

DC OUT

30 ± 13

1600

27.544.5

15

TRIG IN
BNC-R

USB
RECEPTACLE

RESET
BUTTON

DC IN

13.9

11.4

11.9

AC adapter (Supplied)

232514

TRIG IN

POWER ERROR PMT ON

USBRESETDC IN

13

COUNTING UNIT C8855

4-C2

148 ± 1

75

48.5

6532.5

SIGNAL INPUT

EXTERNAL START

2 BIT OUTPUT

PULSE

SHAPER

COUNTER (A)

COUNTER (B)

CLK

GENERATOR

TIMING

GENERATOR

IO PORT

FIFO

CPU

USB

INTERFACE

COUNT DATA LINE
CONTROL LINE
IO PORT LINE

USB

TPHOC0050EA

Windows® is a registered trademark of Microsoft Corporation in the United States and/or other countries.
Lab VIEW ™ is a trademark of National Instruments, Inc.
Other product and software names mentioned herein may be either registered trademarks or trademarks of their respective owners.

Subject to local technical requirements and regulations, availability of products included in this promotional material may var y. Please consult with our sales office.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are

subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2002 Hamamatsu Photonics K.K.

96 ± 1

15

TPHOA0030EA

HAMAMATSU PHOTONICS K.K., Electron Tube Center

WEB SITE http://www.hamamatsu.com

314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: [phone], Fax: [phone]

U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: [phone], Fax: [phone] E-mail: [e-mail]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone] E-mail: [e-mail]
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone] E-mail: [e-mail]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone] E-mail: [e-mail]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: [phone], Fax: [phone] E-mail: [e-mail]
Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone] E-mail: [e-mail]

TPHO1021E01
JAN. 2003 IP