Gentec-EO TPM-300-CE User manual

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LASER POWER METER
TPM-300-CE
INSTRUCTION MANUAL
121-45130
Revision 5
November 2008
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ii
Warranty
The GENTEC TPM-300-CE Laser Power Meter carries a one year warranty (from date of shipment)
against material and/or workmanship defects, when used under normal operating conditions. The
warranty does not cover damages related to battery leakage or misuse.
GENTEC will repair or replace, optionally, any TPM-300-CE which proves to be defective during the
warranty period, except in the case of product misuse.
Any attempt by an unauthorized person to alter or repair the product is also not covered by the warranty.
The manufacturer is not liable for consequential damages of any kind.
Customers must fill in and mail the warranty card in order to validate the guarantee.
In the case of a malfunction, contact local GENTEC distributor or nearest GENTEC office to obtain a
return authorization number. The material should be returned to:
For customers in other countries:
Gentec Electro-Optics, Inc.
445, St-Jean-Baptiste, Suite 160
Québec, Qc
Canada G2E 5N7
Tel: [phone]
Fax: [phone]
e-mail: [email protected]
www.Gentec-EO.com
CLAIMS
To obtain warranty service, contact your nearest Gentec agent or send the product, with a description of
the difficulty, transportation and insurance prepaid, to the nearest Gentec agent. Gentec assumes no risk
for the damage in transit. Gentec will, at its option, repair or replace the defective product free of charge
or refund your purchase price. However, if Gentec determines that the failure was caused by misuse,
alterations, accident or abnormal condition of operation or handling, you will be billed for the repair and
the repaired product will be returned to you transportation prepaid.
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iii
SAFETY INFORMATION
Do not use the TPM-300-CE if the device or the detector look damaged, or if you suspect that the TPM-
300-CE is not operating properly.
Appropriate installation must be done for water cooled and air-force cooled detectors. Refer to the
instruction manual for more informations. User should wait for a while before any manipulation of these
detectors after application of power. ( High temperature of some surfaces of these detectors after use
may cause injury if not well cooled-down.)
Note: This equipement has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipement generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipement does cause harmful interference to
radio or television reception, which can be determined by turning the equipement off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Caution: Changes or modifications not expressly approved in writing by GENTEC Inc. may void
the user’s authority to operate this equipment.
SYMBOLS
The following international symbols are used in this manual:
Instruction manual symbol. Refer to the manual for specific Warning or Caution information to
avoid any damage to the product.
DC, Direct Current
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TABLE OF CONTENTS
WARRANTY..................................................................................................................................................II
CLAIMS.........................................................................................................................................................II
SAFETY INFORMATION ............................................................................................................................III
SYMBOLS ...................................................................................................................................................III
TABLE OF CONTENTS ..............................................................................................................................IV
LIST OF ILLUSTRATIONS ..........................................................................................................................V
1INTRODUCTION....................................................................................................................................1
2THE TPM-300-CE DIGITAL POWER METER.......................................................................................2
2.1 Introduction.....................................................................................................................................2
2.2 Specifications .................................................................................................................................2
2.3 Front Panel Description..................................................................................................................3
3.1 Probe Input Jack Information ..........................................................................................................7
3.2 Power Measurement Procedure ....................................................................................................8
4RS-232 COMMUNICATION INTERFACE.............................................................................................9
4.1 Installation ......................................................................................................................................9
4.2 Communication Setting..................................................................................................................9
4.2.1 Baud Rate Selection............................................................................................................9
4.2.2 Parity Selection....................................................................................................................9
4.3 Input command and answer messages .......................................................................................10
5MAINTENANCE...................................................................................................................................12
5.1 Battery Charging...........................................................................................................................12
APPENDIX A ..............................................................................................................................................12
Recycling and separation procedure....................................................................................................12
Separation: ...........................................................................................................................................12
Dismantling procedure:.........................................................................................................................13
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LIST OF ILLUSTRATIONS
Fig. 2-1 TPM-300-CE Front Panel...............................................................................................................4
Fig. 2-2 TPM-300-CE Back Panel................................................................................................................6
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1
1 INTRODUCTION
The TPM-300-CE is the highest quality Laser Power Meter available on the market. In order to obtain the
maximum performance from the TPM-300-CE, it is preferable to read the following manual carefully.
The TPM-300-CE has been specially designed for laser maintenance applications and laser power spot
checks, but its characteristics make it useful for general laser beam power and measurement
applications.
Each GENTEC TPM-300-CE is thoroughly tested and calibrated prior to shipment.
All TPM-300-CE units should be visually inspected after removal from the shipping containers. Should
any damage be found, retain all packaging materials and shipping receipts. Any damage claim should be
made promptly with the transportation company. Notify the nearest GENTEC representative concerning
the claim, so that any repair or replacement can be arranged within the shortest delay.
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2 THE TPM-300-CE DIGITAL POWER METER
2.1 Introduction
The TPM-300-CE is a digital/analog power meter designed to be used with any of the new PS
Series detector heads (see section 3.1 for further details). No calibration is required when
connecting the detector heads. The TPM-300-CE is already internally set to accept all the PS
Series detector heads.
The TPM-300-CE is a reliable, accurate, simple and easily transportable meter engineered
according to the most recent optimal operation technology.
The following specifications are based on a one-year calibration cycle, an operating temperature
of 18 to 28ºC (64 to 82ºF) and a relative humidity not exceeding 80%.
The RS-232 output is designed to work with a standard shielded DB-9 cable for serial
communication.
2.2 Specifications
Power Ranges 30mW, 100mW, 300mW, 1W, 3W, 10W,
30W, 100W, 300W, 1kW, 3kW, 10kW
Batteries 5 rechargeable NiCad AA (1.2 Volts)
Autonomy > 8 hours
Dimensions (mm) 243 (W) x 123 (H) x 87 (D)
Weight 1.6 kg
Resolution (digital) 100 μW on 30 mW scale
Monitor accuracy ±0.5%
Response Time 1.0 sec (final value)
Analog Output 0-1V ±1.0%
Analog Display (mm) 91 (W) X 40 (H) analog panel meter
Digital Display 4-digit LCD readout
Input voltage 12 VDC/(200 mA to 1 A)
External power supply: Input : 220/240 Vac, 50 Hz, CE/VDE/TUV approved;
Output :12V D.C 1A
or
Input : 100/120 Vac, 60 Hz, CSA/UL approved
Output :12V D.C 800mA
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2.3 Front Panel Description
Refer to Fig. 2-1
1- Analog meter:
The meter provides an analog indication of measured power, more specifically, it clearly
indicates the power change tendency (i.e. increase, decrease).
2- Digital LCD meter:
The 4-digit LCD meter provides a precise numeric display of measured power to the
accuracy stated in the specifications.
3- ZERO adjustment:
The ZERO adjustment permits the nulling of the detector zero offset.
4- RANGE adjustment:
The RANGE adjustment permits the selection of the power range.
5- LOW BATT. light indicator:
The LOW BATT. indicator signals the necessity of a battery recharge.
6- POWER ON light indicator:
THE POWER ON indicator signals that the meter is ON (back panel ON/OFF switch).
7- mW light indicator:
The mW indicator signals a digital meter readout in milliwatts.
8- W light indicator:
The W indicator signals a digital meter readout in Watts.
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Fig. 2-1 TPM-300-CE Front Panel
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2.4 Back Panel Description
Refer to Fig.2-2
1- ON/OFF switch:
The TPM-300-CE is switched ON or OFF by pressing the ON*OFF switch. When the TPM-
300-CE is not in use, switch it off in order to prevent battery leakage and to extend meter
autonomy.
2- EXTERNAL POWER SUPPLY INPUT JACK:
Input voltage requirement: 12 VDC/(200 mA. to 1 A)
3- RS-232 INTERFACE CONNECTOR:
This interface allows remote control and data transfers between the TPM-300-CE and a
computer, a terminal, a printer or any device that has a RS-232 communication port.
4- 0-1 VOLT ANALOG OUTPUT:
This output permits the monitoring of the laser average power by using external equipment
such as a chart recorder, a computer with an analog interface, a voltmeter, etc.
The output signal is the amplified and anticipated power detector response. In order to
improve the signal to noise ratio, the 1 Volt value corresponds to the full scale reading of the
selected range. The power is then related to the output voltage and to the selected range
according to the following equation: Power = V output x Range
Examples:
1.00 Volt corresponds to 1 Watt on the 1W range
0.25 Volt corresponds to 25 milliwatts on the 100mW range
0.10 Volt corresponds to 30 milliwatts on the 300mW range
Note: the ZERO adjustment dial has no effect on the output voltage.
Specifications:
Maximum output voltage: 1 Volt
Maximum output current: 20 mA
Output impedance: 10KOhms
Connector type: Male BNC
5- PROBE INPUT jack:
Used to connect detector head (probe).
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Fig. 2-2 TPM-300-CE Back Panel
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3 OPERATING INSTRUCTIONS
This section contains important information concerning the installation and operation of the TPM-300-CE.
3.1 Probe Input Jack Information
The TPM-300-CE uses a DB-15 female connector to mate with the new PS Series Laser Power
Detectors.
Pins 7, 8 and 14 of this connector are blocked to prevent mating with older series detectors. In addition,
these pins will be absent on the mating male connector of the new power heads.
WARNING: This connector, though similar to that of the older TPM-310 and TPM-330
monitors, is incompatible with PS-310 Series Version 1 and PS-330 Series
Version 1 power detector heads which used a different technology and do not
have the same pin-out configuration.
Any attempt to modify older version connectors to mate with the TPM-300-CE
can result in damage to the TPM-300-CE monitor.
The Gentec-eo inc V1 to V2 (100-16651) adapter can be used to permit connection of the PS-310 Series
and PS-330 Series Version 1 power detector heads. Please contact your local GENTEC distributor or the
nearest Gentec-eo inc office for further information (see WARRANTY page).
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3.2 Power Measurement Procedure
1- Install the power detector head on its optical stand.
2- Connect the power detector head to the TPM-300-CE using the PROBE INPUT jack.
3- Slide the latch to the left to lock the connector into place.
4- Remove the power detector cap.
5- Put the power detector head into the laser beam path (laser beam must be contained within
the sensor area, do not exceed power or power density maximums).
6- Block off laser radiation to the detector.
7- Switch ON the TPM-300-CE using the ON/OFF switch.
8- Select the required range using the RANGE adjustment. If the selected range does not
correspond to the detector's input power range, a buzzer will be heard. Select an appropriate
range to stop buzzer.
9- After the meter stabilizes, null the detector's zero offset using the ZERO adjustment and the
digital meter (see Notes).
10- Apply the laser beam to the power detector head.
11- The laser beam average power will be displayed on both the digital and analog meters.
Notes: - Refer to specific PS Series power detector manuals for complete installation and
operating instructions.
- The PS Series power detectors are thermal sensors sensitive to temperature variations.
For very precise measurements, it is recommended to:
- allow power detector temperature stabilization before zeroing the display.
- not touch the detector head when handling the power detector.
- avoid forced air flow or drafts around the detector.
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4 RS-232 COMMUNICATION INTERFACE
4.1 Installation
Connect the TPM-300 RS-232 connector, (located at the back panel of the instrument) to the host
device serial connector with the proper cable. The TPM-300 connector pin assignment is as
follows:
The RS-232 connector on the TPM-300 rear panel is a 9-pin connector (DB-9, female connector).
4.2 Communication Setting
When you turn ON the device it automaticaly defaults to 9600 baud no parity (8 data bits).
4.2.1 Baud Rate Selection
You can select one of five baud rates for RS-232 operation.
The baud rate can be set only from a computer or a terminal.
Select one of the following : 1200, 2400, 4800, 9600 or 19200 baud.
4.2.2 Parity Selection
You can select the parity for RS-232 operation.
The parity can be set only from a computer or a terminal.
Select one of the following: None (8 data bits), Even (7 data bits), or Odd (7 data bits). When you
set the parity, you indirectly set the number of data bits.
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4.3 Input command and answer messages
The format of a valid command is as follow:
*COMMANDNAME:
“*” : Start of command
“:” : End of command
When the TPM-300 receives a valid input command, it confirms to the host device that the
command has been received and return the answer as follows.
The command name must be in capitals:
Command Name Description Answer
READPOWER Displays Power in WATTS ±XXX W or
±XX.Xx10-3 W
READ0-1V Displays 0-1 volt analog reading 0.XXX
MAKE_OFFSET Cancels the offset and disables the
OFFSET and SCALE buttons OK
REPEAT Repeats power or analog output values OK
STOP Stops the repeat commands OK
REMOTE Disables the OFFSET and SCALE buttons OK
LOCAL Enables the OFFSET and SCALE buttons OK
ANTICIPATEON Enables anticipation OK
ANTICIPATEOFF Disables anticipation OK
SCALE0.03 Selects 30mW scale OK
SCALE0.1 Selects 100mW scale OK
SCALE0.3 Selects 300mW scale OK
SCALE1 Selects 1W scale OK
SCALE3 Selects 3W scale OK
SCALE10 Selects 10W scale OK
SCALE30 Selects 30W scale OK
SCALE100 Selects 100W scale OK
SCALE300 Selects 300W scale OK
SCALE1000 Selects 1000W scale OK
SCALE3000 Selects 3000W scale OK
SCALE10000 Selects 10000W scale OK
BR19200 Selects 19200 baud rate OK
BR9600 Selects 9600 baud rate OK
BR4800 Selects 4800 baud rate OK
BR2400 Selects 2400 baud rate OK
BR1200 Selects 1200 baud rate OK
NOPARITY Selects “No” parity OK
ODDPARITY Selects “Odd” parity OK
EVENPARITY Selects “Even” parity OK
SCALE? Displays the current scale X mW or XW
SENSITIVITY? Gives the detector sensibility X.XXXXXX V
RESPONSETIME? Gives the detector responsetime X.XXX S
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Error messages
The following error messages may be sent by the TPM-300
Invalid token: Input commands must be started with * character.
Invalid command: Input command does not correspond with the command listing.
Invalid scale: The selected scale does not correspond to the detector's input power range.
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5 MAINTENANCE
5.1 Battery Charging
As mentioned previously, the TPM-300-CE power meter is operated using 5 standard
rechargeable nickel cadmium batteries. When the LOW BATT. indicator is lit, recharge the
batteries by connecting the external power supply for 12 hours. TPM-300CE can be On or Off
during this procedure. One battery charge will provide up to 8 hours of operation autonomy.
Appendix A
Recycling and separation procedure.
This section is used by the recycling center when the monitor reaches its end of life. Breaking the
calibration seal or opening the monitor will void the TPM-300-CE warranty.
The complete Monitor contains
1 Monitor
1 power supply (not manufactured by Gentec-eo)
1 instruction manual
1 calibration certificate
Separation:
Paper : Manual and certificate
NiCd batteries: inside the monitor.
Liquid crystal display: Less than 100 cm2.
Printed circuit board: inside the monitor.
Analog needle: plastic and metals.
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Dismantling procedure:
Opening the monitor, remove screws:
Remove screws:
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Remove screws:
Remove scews:
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