User’s & Technical Manual –
LEVEL TRANSMITTER LTR7000
GELEC
Industrial Electronics
PAGE
26
LOW-LEVEL CALIBRATION PROCEDURE
LTR7000 should be in normal operation (STATUS LED constant GREEN) before proceeding.
Set the fluid at the level you want the LTR7000 to provide the minimum output value
and wait until it becomes calm.
Press and hold CALIBRATION BUTTON until the STATUS LED starts flashing BLUE.
Flashing BLUE means that the device is in Low-Level Calibration mode.
Press and hold
*
CALIBRATION BUTTON until the LED starts flashing GREEN/RED.
Flashing GREEN/RED means that data are saved. Release the button.
✓
Low Level value is registered. LTR7000 automatically exits Low-Level Calibration mode
and returns in Normal Operation (STATUS LED constant GREEN).
*
An
instant
press
of the CALIBRATION BUTTON (not press and hold) when the device is in
Low-Level Calibration mode,
bypasses this mode
and leads to High-Level Calibration mode
(STATUS LED starts flashing GREEN).
The present data are not saved
and the device maintains
the value it had before entering Low-Level Calibration mode.
HIGH-LEVEL CALIBRATION PROCEDURE
LTR7000 should be in normal operation (STATUS LED constant GREEN) before proceeding.
Set the fluid at the level you want the LTR7000 to provide the maximum output value
and wait until it becomes calm.
Press and hold CALIBRATION BUTTON until the STATUS LED starts flashing BLUE.
Press instantly CALIBRATION BUTTON. The STATUS LED starts flashing GREEN.
Flashing GREEN means that the device is in High-Level Calibration mode.
Press and hold
*
CALIBRATION BUTTON until the LED starts flashing GREEN/RED.
Flashing GREEN/RED means that data are saved. Release the button.
✓
High Level value is registered. LTR7000 automatically exits High-Level Calibration mode
and returns in Normal Operation (STATUS LED constant GREEN).
*
An
instant
press
of the CALIBRATION BUTTON (not press and hold) when the device is in
High-Level Calibration mode,
bypasses this mode
and LTR7000 returns in normal
operation (STATUS LED constant GREEN).
The present data are not saved
and the device
maintains the value it had before entering High-Level Calibration mode.
