EXact X-Rite User's Guide download pdf (Page 29)

X-Rite eXact™ Instrument

Basic Measurement Procedure

1. Clear the sample surface of any dirt, dust, or moisture.

2. Select the tool and function.

3. Position the target window over the sample to measure. If

possible, place the entire instrument on the sample.

4. Press the instrument firmly to the target base. Measuring

appears in the display along with the Measurement

Condition selected.

5. Hold steady until “Complete!” and measurement data is

displayed. This is an indication that the measurement was

successful.

6. Release the instrument and view measurement results.

An unsuccessful measurement will be indicated by an error

message. See the Troubleshooting section for more

details.

Calibration

IMPORTANT: The calibration plaque is dramatically affected by smudge marks and dust, and

must be kept clean. It is recommended that the instrument is cleaned regularly. Refer to the

Cleaning section later in this manual for procedure on cleaning the calibration plaque and optics.

The instrument has an integrated calibration plaque and will calibrate automatically when

required. When calibration is required before a measurement, the instrument will prompt you.

This occurs when the instrument is in the open position (not locked) and the previous calibration

has timed out. This can also occur when the measurement condition switch is changed and a

calibration has not been performed in that position or has timed out.

The calibration plaque is located directly below the optics when the instrument is in the open

position (not locked). When a measurement is taken, the calibration plaque swings back out of

the way of the optics.

Cal plaque

Measurement condition

switch

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EXact X-Rite User's Guide Page 29