Sanwa LP10 Manual de Usario

Sanwa Equipo de medición LP10

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Thank you for purchasing SANWA laser power meter LP10.
Read this manual carefully before use for safe use of the instrument.
Retain this manual together with the instrument for future reference.
[1] Operating Precautions
Do not stare directly at the laser light or allow its reflections
enter your eyes during measurement. Laser light incident to
your eyes may lead to degradation or loss of eyesight. Special
care is required for the IV light which is invisible for naked eyes.
An excessive optical input may damage the photodiode in
the light sensor. Do not apply light that is stronger than the
measurable range .
Be careful not to damage the light sensor surface or stain it
by douching with a bare hand. Scratches or stain may
deteriorate the sensitivity of the instrument. If the light
sensor surface gets dirty, wipe lightly with ethyl alcohol.
The auto power save function of the instrument turns it off in 15
minutes after an operation. To resume the meter from auto power
save status, press MAX/MIN button or turn the Range switch off
position, then turn off the power.
Be sure to set the Power/Range switch to OFF after use.
This instrument is a pocket-sized laser power meter featuring
excellent portability and operability.
It can be applied easily in check and maintenance of the
optical power levels of equipment using laser light.
Using 633 nm of a He-Ne laser as the reference wavelength,
this instrument enables direct reading of the optical power of
visible-range laser light from a visible laser pointer, DVD
player’s optical pickup, etc.
The power of other wavelength can also be measured by
converting the reading according to the spectral sensitivity
characteristic table (typical values).
The measured object is CW laser. A modulated laser cannot
be measured accurately.
[2] Applications
[4] Nomenclature
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Pocket size.
Separate light sensor probe can be integrated with the main
body for measurement.
4039 full-scale count with a bar graph display.
Direct reading of the laser power of the reference
wavelength of 633 nm, while the laser power of other
wavelengths can be read by converting it according to the
spectral sensitivity characteristic table.
Wide measuring range from 0.01 W to 40.39 mW.μ
MIN/MAX hold functions.
The diffusion sheets are used in the sensor, it can suppress the
“return light” that is generated when a laser light enters the sensor.
Auto power save function prevents wasting of battery power.
[3] Features
Normal measurement
Push Push 2s
Push 2s
Push
MAX Hold MIN Hold
MIN Hold mode:
Holds the minimum value during measurement and
displays it in the digital display. Indicated by “MIN” shown
in the display.
MAX Hold mode:
Holds the maximum value during measurement and
displays it in the digital display. Indicated by “MIN” shown
in the display.
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The bar graph display is not held.
The MIN/MAX Hold mode is canceled when the
measurement range is changed.
The auto power save function does not work in
the MIN/MAX Hold mode.
Using the MAX Hold function makes it possible display
always the maximum value measured. This solves the
problem in the meter reading, that varies depending on the
position, distance and angle of the incidence of laser beam
into the light sensor surface.
[5] Functions
Notes)
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Power/Range switch
This rotary switch is used to turn the illuminance meter
on-off and switch the measurement range to the 40 W, 400 μ
μW, 4 mW or 40 mW range.
Battery warning indicator
When the internal batteries are nearly exhausted and the
supply voltage drops, blinking “BT” appears in the display. If
this happens, please replace both batteries with new ones.
MIN/MAX Hold button (Also used as the protection cover lock)
Push this button during measurement to set the digital value
display to the MAX Hold or MIN Hold mode as shown below.
How to integrate the light sensor
probe with the main body for
measurement
Insert the light sensor probe in
the position on the top left of the
main body as shown in the
figure.
How to open or close the
protective cover
To open the protective cover,
push and hold the button on the
left side of main body into the
direction shown in the figure,
and open the protective cover.
To close the protective cover, first store the light sensor
probe in the storage position of the main body as described
below, and then close the protective cover until it is locked.
How to store the light sensor probe
The light sensor probe can be stored in the main body as
shown below.
Fit the light sensor probe
into the storage position so
that the light sensor surface
faces up.
Bend the cord and store it
in the space on the right of
the light sensor probe.
1.
2.
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The auto power save function of the instrument turns
it off in 15 minutes after an operation. To resume the
meter from auto power save status, press MAX/MIN
button or turn the Range switch off position, then turn
off the power.
When over range, displays "OL".
Laser should be received on the center of the sensor at
right angle.
Measurement of weak laser power (below 1 mW) tends
to be affected by ambient light (disturbance). In this
case, it is required to take a countermeasure against
disturbance, by performing measurement in a dark room.
Notes)
1.
2.
3.
4.
Measurement Procedure
[6] Measurement
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Set the measuring range to the maximum range (40 mW).
Apply the laser beam to the light sensor surface.
After measuring the current power, set the measuring range
to the optimum range.
After completing measurement, set the Power/Range switch to OFF.
How to correct the wavelength sensitivity of the light sensor
The reference wavelength that can be read directly with this
instrument is 633 nm. To measure light with wavelengths
other than 633 nm, convert the reading using the sensitivity
correction coefficient obtained from the photodiode’s spectral
sensitivity characteristics (typical values).
Reading Correction coefficient Wavelength-converted value
2.44 (mW) x 0.74≒1.81 (mW)
*This conversion value is a guide and is not guaranteed.
Example)
When the measured laser light wavelength is 780 nm and the
power meter reading is 2.44 mW:
To maintain accuracy, perform calibration and inspection at least once an year.
[7] Maintenance and Administration
[8] After-Sale Servicing
The panel and case are little resistant to volatile solutions and heat. Do
not wipe the thermometer using lacquer thinner or alcohol and do not
place it heat a source of high temperatures (soldering iron, for example).
Do not store the instrument in a place subject to vibrations
or in a place which it may drop.
Do not store the instrument under direct sunlight or in a
place with low temperatures, high humidity or condensation.
Be sure to remove the batteries when the instrument is not
to be used for an extended period.
For information of repair, please contact the dealer, selling
agent or maker.
4.
Storage
Set the Range switch to OFF, then remove the screw retaining
the battery compartment cover using a screwdriver.
Remove the battery compartment cover and take out the
exhausted batteries.
Insert new batteries without mistaking the + and – polarity.
Attach the battery compartment cover and clamp it with the screw.
3.
Battery replacement
Replacement Procedure:
For calibration and inspection of the instrument, please
contact dealer, sole agent and maker.
2.
Calibration
1. Maintenance check
1)
External finish
2)
Light sensor
Check if the external finish is damaged by dropping the
instrument, etc.
Check if the light sensor surface is damaged or durty.
Check if the light sensor cord is damaged.
If any of the above parts is damaged, do not use the instrument
but have it repaired.
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Light sensor element
Measurable wavelength
range
Directly-readable
wavelength
Display
Over load indication
Low battery indication
Sampling rate
Ranges
Measured object
Accuracy
Functions
EMC directive, RoHS directive
Power supply
Power consumption
Environmental condition
Operating temperature
/humidity range
Storage temperature
/humidity range
Dimensions
Light sensor probe
Sensor cord length
Accessories
Si photodiode (Light sensor surface diameter Ø 9 mm)with diffusion sheet
400 nm to 1100 nm
633 nm (He-Ne laser)
Other wavelengths should be converted using typical
correction factor
Digital display: 4039 full scale
Bar graph display: 41-segment display
displays“OL”
Blinking “BT” appears in the display when the built-in batteries
are nearly exhausted and battery supply voltage drops
Digital display: Approx. 3 times/sec.
Bar graph display: Approx. 30 times/sec.
40 W range: 0.01 W to 40.39 Wμ μ μ
400 W range: 0.1 W to 403.9 Wμ μ μ
4 mW range: 0.001 mW to 4.039 mW
40 mW range: 0.01 mW to 40.39 mW
CW laser, the modulated laser cannot be measured accurately
±5 % (in the 4 mW range, at the reference wavelength of
633 nm and 1 mW)
Temperature: 23 2 ℃±℃
MIN Hold function, MAX Hold function
Auto power save function (15 min. after operation)
IEC61326(EMC). EN50581(RoHS).
LR44 1.5 V x 2
Approx. 8 mW
Altitude 2000 m or below, pollution degree Ⅱ.
Temperature 0 to 40 , humidity 80 %RH or less℃
(without condensation)
Temperature -10 to +50 , humidity 80 %RH or less℃
(without condensation)
117( ) x 76( ) x 18( ) mm, approx. 120 gramsH W D
84( ) x 16( ) x 10( ) mmH W D
Approx. 0.5 m when extended
Instruction manual x 1
[9] Specifications
Design and specifications are subject to change for reasons of
improvement, etc.
INSTRUCTION MANUAL
LASER POWER METER
Dempa Bldg., 4-4 Sotokanda 2-Chome
Chiyoda-ku, Tokyo, Japan
LP10
Protective cover
Light sensor probe
storage position
Light sensor probeLight sensor window
Power/Range
switch
MIX/
MAX
Hold
button
LCD display panel
-3--2-
-6--4- -5-
-1-
-7- -8-

Especificaciones del producto

Marca: Sanwa
Categoría: Equipo de medición
Modelo: LP10

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