16
The EC, Resistivity and TDS scales are autoranging. The meter automatically sets the scale with the
highest possible resolution.
By pressing
Lock
, the autoranging feature is disabled and the current range is frozen on the LCD.
The
“
Range: Locked
” message is displayed. To restore the autoranging option press “
AutoRng
”
functional key again.
The autoranging mode is also disabled by selecting a “
fixed range
” in the
SETUP
menu. While in fixed
range mode the instrument will display the readings with the fixed resolution. A maximum of 6 digits
can be displayed. The top of the
fixed range
is displayed blinking when the reading exceeds this value.
To disable fixed range mode enter
SETUP
and select autoranging mode.
Note: Autoranging is automatically restored if the range is changed, if the calibration mode
is entered, or if the meter is turned off and back on again.
AUT
ORANGING
The probes designed to work with this instrument have an internal ID identification. Every time the
instrument detects probe changing, it reminds the user to update the cell constant of the new probe
being used and to calibrate in the appropriate EC range.
OPERA
TIONAL GUIDE
