IRIS iChemVelocity

6 Calibration Verifications
301-7146 English Rev B 11/02/2011 Operator’s Manual NA 103
CalCheks Frequency
CalCheks should be performed quarterly on the iChemVELOCITY
system. If the instrument was moved, a CalChek should be performed to
make sure that the instrument is properly calibrated.
Running CalChek
Reflectance CalChek
The Reflectance is the measure of LED illumination light reflected from
the chemistry pads.
In this mode, the instrument directs the operator to remove all chemistry
test strips from the Strip Provider Chamber and to place all five CalChek
Strips into the Strip Provider chamber. The CalChek strips are
automatically loaded into position in the Strip Reader Module and the
dosing step is bypassed. The measured reflectance values are
compared to an acceptance range and if the values fall within that range,
the CalChek is verified and found acceptable.
NOTE: Since the test strips remaining inside the test strip chamber must
be discarded, it is recommended to perform a reflectance CalChek when
the chamber is empty.
1. Click on the Instrument button on the top right side of the main
screen.
2. Click on the Maintenance button located at the bottom of the
Instrument screen. The Maintenance screen is displayed.