TQ821 0 Optical Power Meter
T082014
1082015 1082017 082018A
Wave-
length
(mm)
For short
wave-
lengths
400-1100
For long
wave-
lengths
800-1600
Thin-type
sensor
for short
wave-
lengths
400-1100
For long
wave-
lengths
800-1650
1., INTRODUCTION
1.1 Standard Features
The T08210 is a convenient, lightweight, and portable
optical power meter.
It can measure optical power for four different wave-
length ranges in the range from 400 to 1650 nm,
depending on which of optical sensors 1082014,
T082015, T082017, and 082018A are used.
These wavelength ranges are given below.
The 108210 comes with a Ni-Cd battery pack that can
operate continuously for at least 10 hours when no AC
power source is available.
The liquid crystal display (LCD) is backlighted for oper-
ation in dark places.
The wavelength sensitivity data of the sensors is stored
in memory. As a result, automatic wavelength sensi-
tivity compensation can be performed at the wave-
length setting and the absolute optical power value can
be read directly.
Offset adjustment of an optical sensor is done automati-
cally when the o key is pressed.
Both AUTO ranging and MANUAL ranging are provid-
ed. AUTO ranging, automatically selects an optimum
range for optical input.
In MANUAL ranging, the range switching time can be
omitted or digit shifting on the display by range switch-
ing can be inhibited, making the display much easier to
read.
The dBr, SM, and MAX-Hold functions are also
provided. The dBr function measures the value relative
to a reference level. The Smoothing (SM) function faci-
litates measurement in unstable conditions. The MAX-
Hold function determines the maximum beam power.
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