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SD_400 Oxi L_1 01/2016
Installation of the user program takes place as follows:
1. Remove the SD card from the memory card slot in the measuring device.
2. The SD card is inserted in a card reader (not included in the scope of deliver contents) and
connected to the PC.
3. The "setup" file is opened from the SD card by double-clicking and the installation is
carried out.
4. Before the instrument is switched on, the SD card must be re-inserted in the memory card
slot in the instrument.
Attention: Please ensure that the card is inserted correctly in the memory card slot.
10 Error messages
Display - Error message
Possible cause
Measure
Micro SD card read error
No SD card in the measuring
device, SD card not readable
or SD card not inserted cor-
rectly in the memory card
slot.
Insert the SD card correctly or
replace it with a new card in
order to check whether the
problem pertains to the SD
card or the memory card slot.
Sensor communication error No signals sent from the in-
strument
Check the cable and con-
nection
Oxygen measurement out-
side of measuring range
The oxygen concentration is
higher than the measuring
range of the device
Use suitable measurement
samples
Battery symbol blinking
Low battery capacity
Replace batteries or external
power supply via USB con-
nection
Single-point calibration error The calibration time was too
long or it was interrupted
by pressing and holding the
ENTER button
Press any key to continue
if the calibration was in-
terrupted by the user or
check whether the sensor
membrane has exceeded
the recommended service life
No display appears when
switching on
a) No batteries in the device
or incorrectly inserted
b) Voltage too low
a) Insert batteries and ensure
correct polarity
b) Replace batteries and
check battery contacts
No response after pressing
a button
a) Defective keypad
b) Circuit board or software
error
Contact retailer
Long response time
a) Sensor cap dirty or de-
fective
b) Temperature fluctuations
a) Clean or replace sensor
membrane
b) Keep temperature con-
stant
Summary of Contents for SD 400 Oxi L
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