Hach-Lange MTC10130 - Manual (Page 10)

Option Description
Offset Limits Sets the offset limits—±1 mV to 250 mV (default: ±25 mV).
The offset must fall within set limits for successful calibration.
Standard
Value When Standard is set to Custom, sets the values for the custom calibration
standard— -1200.00 to 1200.0 mV (default: +221.0 mV). Custom standards
are characterized at 25 °C.
5. Select Calibration Reminder and update the settings:
Option Description
Reminder
Repeat Meter will make an audible sound when a calibration is due and repeat the
sound at the selected interval—Off (default), 1 d, 7 d or 30 d.
Expires Calibration expires after the selected time—Immediately, Reminder +
30 min, Reminder + 1 h, Reminder + 2 h or Continue Reading.
Note: The meter cannot be used to read samples after calibration has
expired unless Continue Reading is selected.
6. If prompted, enter a name for the new method settings. Additional changes made to
the settings of an existing method are automatically saved with the same method
name.
7. Push EXIT until the meter returns to the measurement mode.
Change check standard options
1. Make sure a probe is connected to the meter.
2. Push and select MTC101 Settings.
3. Select Modify Current Settings.
4. Select Check Standards Options and update the settings:
Option Description
Standard Sets the check standard—
• ZoBell’s (221 mV – 25 °C) (default)
• Light’s (135 mV – 25 °C)
• Custom
Temperature compensated for ZoBell’s solution.
Standard value for check standard.
Standard value is shown on Check Standard Options screen.
Lights solution is characterized at 25 °C.
Custom standard values and temperature are user-defined.
Standard
Value When Standard is set to Custom, enter the standard value using the up/down
arrow keys— -1200.0 to 1200.0 mV (default: 221.0 mV).
The value and temperature for custom check standard are user-defined.
5. Select Check Standard Reminder and update the settings:
Option Description
Reminder Repeat Sets the time interval for the check standard reminder—Off (default), 1 d,
7 d or 30 d.
Allow Defer Allows the postponement of check standard reminders—Yes (default) or
No.
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