Buffer Solutions - Xylem MJK pHix Compact V3 Manual

Next generation
Table of Contents

Advertisement

then to slope and zero point.
Existing buffer adjustments are deleted once new buffer adjustments is
completed.
It is needed that pHix, the electrode and the buffer solutions are at the same
temperature during adjustment to get a correct slope and zero point.
The electrode
acceptance limits
Slope [mV/pH] @ 25°C
Offset [mV]
The LED pattern during buffer
adjustments is:
1 flash every 5 seconds.
3 flashes every 5 seconds.
2 flashes every 5 seconds.
1 flash every second.
3 flashes every second.
Timeouts
Two minutes to find buffer.
Ten minutes to complete the buffer adjustment.
If the the switch ring is used, the buffer found must be the same as the one
selected with the ring, else an error is triggered.
If the switch ring is not used the pHix automatically detects the buffer.
The default reference buffer values are 4.01, 7.0 and 10.01 pH, corresponding
to the buffer solutions provided by MJK. This values can be changed via
Link
.
 (see page 35)

Buffer solutions

Buffer solution are delivered as ready-to-use solutions with the pH values 4, 7
and 10.
During the buffer adjustment, pHix® Compact is calibrated in accordance with
the pH values of the buffer solutions. It is therefore important to use as accurate
Buffer adjustment /Buffer solutions
pHix® Compact V3. NG (next generation)
min
-62.12 mV
-30 mV
Measuring mode
Trying to find buffer
Buffer found
Buffer not found
Error mode
EN 4.10 Version 2103
max
-50.0 mV
30 mV
pHix
24

Advertisement

Table of Contents
loading

Table of Contents