Hach SL250 Manuel D'utilisation Simplifié page 16

8.3 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).
2. Push Main Menu>Calibrate to start a calibration.
3. Select the applicable Chemkey.
4. Enter the applicable standard adjust value.
5. Complete the instructions shown on the display to calibrate the Chemkey.
6. If necessary, do a verification. Refer to
8.4 Probe verification
1. Push Main Menu>Verification to start a verification.
2. Select the applicable device.
3. Complete the instructions shown on the display to do the verification.
Note: To change the standard that is used for verification, push Main Menu>Settings>Probe>[Select
Probe]>Verification Options>Standard.
8.5 Chemkey verification
There are two options to complete a Chemkey verification. Use a parameter-specific Chemkey or a
system verification Chemkey for the verification. Refer to
on page 22.
Parameter-specific Chemkey:
1. Push the parameter specific Chemkey slowly, in one movement, into the slot(s).
2. Then, push Main Menu>Verification to start the verification.
3. Complete the menu guided process.
System verification Chemkey:
1. Push Main Menu>Verification to start a verification.
2. Then, push the system verification Chemkey slowly, in one movement, into one slot.
3. Complete the menu guided process.
Section 9 Data log
The data log shows all saved measurements.
1. Push Main Menu>Data Log.
2. Select an option.
Option
All Logs by Date
Current Cal on
Probe
Cal History on
Probe
Delete Data Log
16 English
Chemkey verification
Description
Shows sample measurement results: The probe name, probe serial number, value,
unit, temperature, time, date, notes, operator ID, site ID and calibration details. The
last measurement shows on the display. Push the LEFT arrow to look at the previous
measurements.
Shows the calibration details for the most recent calibration. If the probe has not been
calibrated by the user, the factory calibration data is shown.
Shows a list of the times when the probe was calibrated. Select a date and time to
view a summary of the calibration data.
Erases all data of the meter at once. The device data will be kept.
on page 16.
Replacement parts and accessories