Kingfisher KI 2300 Series, Operation And Maintenance Manual

Page: 53 / 74

CALIBRATION AND MAINTENANCE
KI2000 UM-6
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There are no internal user adjustments. Calibration is performed
without opening the instrument.
Before commencing calibration:

Clean all optical connectors very carefully.

Ensure that all devices have been at a stable room
temperature for over an hour, and that the light source is
fully warmed up at the wavelength to be calibrated.
Note: instrument has to be powered externally while doing manual
calibration.
Perform calibration as per instructions below. When calibration is
completed, place an anti-tamper label over the hole. Do not forget to
update your calibration records and to schedule the next calibration
service.
Power Meter Calibration
Calibration is a transfer process. It is performed by setting up a light
source at a stable, but non-critical power level between 0 and -30 dBm,
and adjusting the meter reading to the same value as that shown by a
reference meter.
Required are laser and LED light sources with accurate, calibrated
wavelengths and good power stability, a power meter with appropriate
calibrated wavelengths, single mode and multimode test leads. Check
the calibration certificates on your reference equipment to ensure
current validity.
Known calibration constants can be re-entered directly without using
other equipment. This is useful in case old calibration constants are to
be put back.
Record the existing calibration offsets, re-enter or adjust known
offsets at this point or calibrate the meter at the selected wavelength
as follows:

Remove batteries.

Using tweezers, place a link across gold plated calibration
contacts inside battery compartment, Figure 2. Turn on
external power via micro USB.
Figure 2. Link has to be placed across gold plated calibration contacts

Press [-] or [+] to set the wavelength to be calibrated.

Record the light source power measured by reference
power meter.

Transfer this power level to the meter to be calibrated.

To modify calibration, press [F3] or [F4].
Gold plated
calibration
contacts