8
IE-COM-D0221-05
Operation of the device
Switching ON and OFF the device
Connect the two external probes to the connectors T1, T2 before
switching ON the instrument. Switch ON the instrument by pressing
ON/OFF key. After switching ON the instrument all symbols on the LCD
are displayed. If the ON/OFF key is being held pressed, all LCD symbols
are displayed till the key is released.
Then actual selected sensor type is displayed - symbols
ni
for sensor
Ni1000/6180ppm or
Pt
for sensor Pt1000/3850ppm. If setting of the
instrument does not match the connected RTD probe type, displayed
temperature readings are not correct and it is necessary to set instrument
for connected probe type from the PC program.
In usual operation instrument then starts the measurement mode and
actual measured values are displayed. If instrument is ON, do not
disconnect or connect the probe to prevent storing of incorrect value to
minimum and maximum memory.
If a voltage drop below critical limit occurred since last adjustment of
internal real time clock or battery disconnection longer than approximately
1 min, new instrument initialization is performed (reading INIT could be
displayed up to 12 s !).
After initialization is finished instrument starts to display internal time to
warn to incorrect internal time. New time adjustment is performed by the
computer. Press MENU key to switch instrument to actual measurement
mode.
It is possible to switch OFF the instrument anytime, all instrument setting
is kept saved. If automatic logging was active before instrument is
switched OFF, logging will continue with the same parameters after new
switching ON.
Displaying of actual measured values
In this mode is instrument anytime after switching ON. It is possible to
enter this mode from other modes by pressing or by repeating pressing of
MENU key. If the external probe is not connected properly or probe is out
of measuring range, reading -- is displayed on the upper LCD line.
