Figure 9 Sample measurement
Calibration
C A U T I O N
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Calibrate the probe
Each probe uses a different type of calibration solution. Make sure to calibrate the probes frequently
to maintain the highest level of accuracy. The meter will show the calibration status. If the calibration
is not correct, the calibration icon with the question mark
shows until the probe is calibrated
correctly. When the calibration is correct, the calibration icon with the green checkmark shows. For
step-by-step instructions, refer to the documents that are included with each probe. Refer to the
manufacturer's website for more information.
1. Connect a probe.
2. Push Main Menu>Calibrate to start a calibration.
3. Select the applicable probe if more than one is connected to the instrument.
Note: If only one probe is attached this step does not show.
4. Complete the instructions shown on the display to calibrate the probe.
5. If necessary, do a verification. Refer to Probe verification on page 15.
Calibrate the meter for a specific Chemkey parameter
Each Chemkey uses different calibration setups. Refer to the manufacturer's website for more
information.
1. Push the applicable Chemkey(s) slowly, in one movement, into the slot(s) 1 to 4.
2. Push Main Menu>Calibrate to start a calibration.
3. Select the applicable Chemkey.
4. Enter the applicable standard adjust value.
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