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Position Sensor C7339
DATA SHEET
(For Laser Beam Alignment)
The C7339 Position Sensor is an opto-electric positionsensing unit which measures the position of a single point of light spot-focused onto the sensor head. The use of hybrid circuitry allows for a compact, lightweight design and a divided configuration with a light, compact sensor head and a controller equipped with a light level indicator and data displays for ease of operation. The measured position is displayed digitally in terms of X- and Y-coordinate voltages on the front panel of the controller and may be simultaneously output to a recorder. The C7339 does not possess a background-light cancellation function and is suited for use in locations where the signal light is distinct from the background such as in the detection of laser beams.
FEATURES
* Quick Response
The response time of less than 20s enables accurate measurement of the spot, even while it is moving at high speeds.
* Stable Measurement
The position data (X-Y coordinate voltages) of a light spot is obtained without being affected by signal current fluctuations from the PSD, enabling accurate position measurement regardless of fluctuations in the light intensity.
* Broad Spectral Response
The C7339 has a broad spectral range, from 300 to 1100 nm, enabling the detection of a variety of light sources, including lasers.
* High Resolution
The PSD employed in the sensor head is of the non-discrete type, which, contrary to a discrete-type sensor, has no insensitive area. This enables continuous measurement at a high resolution of 1/5000 (when using a recorder).
* Light Level Indicator The input light level is indicated in digits on the front panel
SYSTEM CONFIGURATION EXAMPLE
Standard configuration Controller Sensor head Laser beam
POWER
of the control unit (0.00 to 10.0) so as to make it easy to adjust the lens iris and select an ND filter.
Computer
C7339
LEVEL
HIGH LOW
HAMAMATSU
POWER
POSITION SENSOR SYSTEM
X DATA
Y DATA
1.11
HAMAMATSU
1.11
5.5
SENSOR HEAD
Analog OUT
AD convertor
Power Macintosh 6100/60
Power PC
Laser beam alignment system
Analog OUT X-Y Recorder Oscilloscope
OTHER APPLICATIONS
* Surface Flatness Measurement * Solar Tracking Systems
SPECIFICATIONS
Detector Useful sensitive area (Fig.1) Non-discrete position-sensitive detector (Hamamatsu S1880-03) 10 x 10mm C mount - 5 to + 5V - 5 to + 5V 500 10% Within 20s Light level () = 8 (Displayed on a level indicator) Zone A (refer to figure below) 1.0%, Zone B 2.0% 1% (Light level () = 84) 1/5000 1.5/1000 0.5%/day (after the first 30 minutes) 0 to +40C -10 to +50C Less than 90% (with no condensation) 100/117/220/240VAC 10%, 50/60Hz Approx. 30VA Y-axis Output impedance Response speed (Fig.2) Recommended measurement light level Position detection error Error due to light intensity variations Resolution (when using a recorder) Jitter Drift Operating temperature Storage temperature Operating/storage humidity Line voltage Power consumption
CONFIGURATION
Sensor head (C7339-01) ....................... 1 Controller (C7339-0X*) .......................... 1 AC cable (2m) ........................................ 1 Head connecting cable (5m) .................. 1 Signal cables (BNC-BNC, 3m) .............. 2 Fuses (1A) ............................................. 3 Line voltage * X = 2 ......................... 100V 3 .......................... 117V 4 .......................... 220V 5 .......................... 240V
Lens mount Output voltage: X-axis
OPTIONAL
Metal interference filters Filter adapter
10mm
ZONE B
INPUT LIGHT
OUTPUT
ZONE A
10mm
90% OUTPUT VOLTAGE 20s 20s FALL TIME RISE TIME 10%
RESPONSE FREQUENCY
-3dB
0
100HZ 2kHZ
5mm
Fig.1 Useful Sensitive Area and Zones A and B
Fig.2 Rise and fall time of the output voltage when a pulsed light is applied to the center of the sensitive area. The rise time is the period of time required for the output voltage to rise from 10% to 90% of its full level. The fall time is the period required for the output voltage to return from 90% to 10%.
Fig.3 Response frequency of the output voltage when a spot light is moved right and left repeatedly while it is being applied to the sensitive area.
OPTIMUM INPUT LASER POWER
Laser He-Ne Laser Ar Laser Wavelength 632nm 514nm Input Laser Power Approx. 23W Approx. 27W
When light with the value on the table at the left is input, "8" appears on the display indicating the volume of incident light. If strong laser light is used, an ND filter or similar means should be used to reduce the volume of laser light to the optimum volume before beginning measurement.
DIMENTIONAL OUTLINE (UNIT:mm)
* Sensor head (Weight: Approx. 140g)
40 64
* Controller (Weight: Approx. 3.87kg)
HAMAMATSU
POWER POSITION SENSOR SYSTEM
C7339
Y DATA
LINE
X DATA
LEVEL
POWER
SIGNAL OUT SENSOR HEAD
X DATA
Y DATA
42
HAMAMATSU
232
227
* Subject to local technical requirements and regulations, availability of products included in this promotional material may vary.
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 and external appearance are subject to change without notice. (c) 1999 Hamamatsu Photonics K.K.
ISO 9001/ISO 13485 EN 46001 Certificate: 09 105 79045
Homepage Address http://www.hamamatsu.com
HAMAMATSU PHOTONICS K.K., Systems Division 812 Joko-cho, Hamamatsu City, 431-3196, Japan, Telephone: (81)53-431-0124, Fax: (81)53-435-1574, E-mail:export@sys.hpk.co.jp
U.S.A. and Canada: Hamamatsu Photonic Systems: 360 Foothill Road, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1)908-231-1116, Fax: (1)908-231-0852 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: (44)181-367-3560, Fax: (44)181-367-6384 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171-41 Solna, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E 20020 Arese (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741 Cat.
No. SIMS1004E01 FEB/99 CR Created in Japan (PDF)
69.6
1.11
74
1.11
HIGH LOW
5.5

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