3 measuring the orp voltage, Measuring the orp voltage – Xylem MULTI 3400 MULTI-PARAMETER METERS User Manual
Page 19
Multi 3400i
Operation
19
Note
The current AutoRead measurement can be terminated at any time
(accepting the current value) by pressing
4.2.3
Measuring the ORP voltage
In conjunction with an ORP electrode, e.g. SenTix ORP, the measuring
instrument can measure the ORP voltage (U) of a solution.
Note
ORP electrodes are not calibrated. However, you can check ORP elec-
trodes using a test solution.
3
Start AutoRead with
AR flashes until a stable measured value is reached.
This measured value is transmitted to the interface.
4
If necessary, start the next AutoRead measurement with
5
To terminate the AutoRead function: Press the
1
Perform the preparatory activities according to section 4.2.1.
2
Submerse the Redox electrode in the sample.
3
Press the <
▲> <▼> keys until the U status display appears.
The ORP voltage (mV) of the sample appears on the display.
4
Wait for a stable measured value.
/pH
Tref20
Cal
8
TDS
S
8
1
pH
Sal
O
%
mg/l
1/cmSal
AutoCal DIN
Lin
Tref25
nLF
AutoCal TEC
RCL
Auto
Store
LoBat
ARng
AR
Time
Baud
Day.Month No.
Ident
Year
mbar
cm
M
°
F
/
K
%
S/
m
cm
8
4
2
2 3
°
C
TP
U
mV