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C2000 Power Meter
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With Data Storage and Logging
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The Appointech C2000 handheld power meters have calibrated
outputs at LD wavelengths of
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850,
1310, 1490, 1550, and 1625nm, or customer-specified ones. The operation is
very user-
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friendly. After turn-on with the ON/OFF switch, the given
individual input wavelength is set by
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pressing
the ג-key until the correct value
is shown on the LCD display, together with the
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corresponding input power value. The power unit can be selected among dBm, mW, uW,
and
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nW. When the “Unit” key is pressed
for about 3 seconds until dB is flashing on the LCD, the
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current
input power level is taken as the new reference at 0 dB, and the following
measurement
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will be the difference in dB, with respect to the new
reference. When in Auto-Off mode, as
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indicated
by a power symbol with a cross on the LCD, the unit will be shut off after
about 30
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minutes on-time for battery life, in case not in use for a
prolonged time. To turn it back on, press
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The
ON/OFF again. The auto-off feature can be disable by pressing the Auto-Off
key, as indicated
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by a power symbol without a cross on the LCD. When the battery power is
too low to assume
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proper operation, an empty battery symbol is shown on the LCD
display. The included rechargeable
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Battery works with a power adaptor of a USB connector, which is
also included. When charging is in
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OFF-mode,
the indicator LED will be on until charging has been completed. An on-site
calibration
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switch is located inside the battery compartment. When the
switch is moved to CAL,
the unit can be
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calibrated on-site with respect to the customer’s own standard
power meter. A tool symbol is shown
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on the LCD. The power of a stabilized light source of the wavelength to
be calibrated is first
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measured with the standard power meter in dBm,
then with the power meter to be calibrated. The
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(Set)
key is pressed to initiate calibration, as indicated by the S-symbol. Then
the power reading is
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changed by pressing the up and down keys until the expected
power value is shown on the LCD.
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The
(set) key is pressed again to complete the current calibration. The tool
symbol is back to indicate
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the new calibration factor has been stored. The same
procedure is repeated for calibrating another
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wavelength. The calibration switch has to be moved back to “Normal” after
calibration is finished.
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The data storage feature is also available. The power is
measured at different selected wavelength,
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and event location. The data are
stored, and recalled with display of event, wavelength, and power
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value. The power meter can also be
programmed to measure at given time interval up to 500 data
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points. The data are then up-loaded to a
PC in EXEL file through an USB cable for analysis.
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Features
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 Data storage, logging, and PC
up-loading
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Calibration on-site with customer’s own standard if
needed
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Display measurement in dB, dBm,
mW, uW, nW
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Selection of relative/absolute
power measurement
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Resolution 0.01dB; absolute accuracy +/-0.25dB
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For both single-mode and multi-mode optical fiber
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Small size, easy for field
applications
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Light weight, about 0.2Kg
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Auto power shut-off can be disabled
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Rechargeable battery,
Battery-full and Battery-low indicator
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Applications
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Power measurements
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Fiber network tests
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Transmission loss measurement
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Calibration of optical receivers
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Specifications
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Detector
Material
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InGaAs
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Calibration Wavelengths
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850, 1310, 1490, 1550, 1625nm or customer specified ones
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Power Range
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+3 to -60 dBm or +23 to -40 dBm
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Polarization Dependence
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< 0.1 dB
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Absolute Accuracy
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+/-0.25dB under calibrated conditions
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Linearity
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+/-0.05dB
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Display
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LCD displays power in selected unit, wavelength.
Warning symbol for low battery. Auto-Off Enable/disable
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Calibration Data
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Data stored in non-volatile memory
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Functions
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ON/OFF: power switch; Auto-Off: enable/ disable switch
ג-key:
input wavelength selection
Unit-key: power unit selection, and new power reference set
Data storage and PC up-loading
On-site calibration up-down keys
Battery level indicator
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Optical Connector Interface
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FC or ST or SC or universal, adapter for other connector
available
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Environmental:
§
Operation Temp. Humidity
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-15๐C to +50๐C, 0-95% RH
(non-condensing)
-35๐C to +70๐C, 0-95% RH
(non-condensing)
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Power
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Rechargeable Lithium battery, works continuously for more than
20 hrs after 2-hrs full charge
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Dimensions
(Length x Width x Height)
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16 x 7 x 3 cm (measured without case)
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Weight (w/batteries)
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<0.2Kg
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