Multi 3430
Operation
88
ba75865e19
04/2015
parameter flashes until a stable measured value is available.
Irrespective of the setting for automatic
Stability control
4.4.3) in the
System
menu, you can start the
Stability control
function
manually at any time.
Note
You can prematurely terminate the
Stability control
function manually
with
<MENU/ENTER>
at any time. If the
Stability control
function is pre-
maturely terminated, the current measurement data are output to the
interface without the AutoRead info.
Criteria for a stable
measured value
The
Stability control
function checks whether the measured values are
stable within the monitored time interval.
The minimum duration until a measured value is assessed as stable is
the monitored time interval. The actual duration is mostly longer.
4.11.3 Settings for turbidity sensors
1
Freeze the measured value with
<AR>
.
The [HOLD] status indicator is displayed.
2
Using
<MENU/ENTER>
, activate the
Stability control
function
manually.
The [AR] status indicator appears while the measured value is
assessed as not stable. A progress bar is displayed and the
display of the measured parameter flashes.
The [HOLD][AR] status indicator appears as soon as a stable
measured value is recognized. The progress bar disappears
and the display of the measured parameter stops flashing.
The current measurement data are output to the interface.
Measurement data meeting the stability control criterion are
marked by AR.
3
Using
<MENU/ENTER>
, start a further measurement with
Sta-
bility control
.
or
Release the frozen measured value again with
<AR>
.
The display switches to the measured value display.
The [AR][HOLD] status display disappears.
Measured
parameter
Time interval
Stability in the time interval
Turbidity
(FNU/NTU)
15 seconds
Δ
: better than
1.0% of measured value
Summary of Contents for WTW Multi 3430
Page 1: ...OPERATING MANUAL ba75865e19 04 2015 Multi 3430 DIGITAL METER FOR DIGITAL IDS SENSORS...
Page 6: ...Multi 3430 6 ba75865y19 04 2015 9 2 Firmware Update for IDS Sensors 132...
Page 14: ...Multi 3430 Overview 14 ba75865e19 04 2015...
Page 18: ...Multi 3430 Safety 18 ba75865e19 04 2015...
Page 124: ...Multi 3430 What to do if 124 ba75865e19 04 2015...
Page 133: ......