ECOLAB LMIT09 DPV1 Betriebsanleitung Seite 216

Conductivity measurement
n Measuring principle, induction method
n Customer product measuring ranges: Define your four own product curves, Tca and
reference temperature with 4-10 sampling points
n Conductivity measuring ranges: 0 ... 200 µS/cm, 0 ... 2 mS/cm, 0 ... 20 mS/cm,
0 ... 200 mS/cm, 0 ... 2 S/cm
Data
Measuring frequency approx.
Standard product measuring ranges NaOH =
Standard product measuring ranges HNO
Standard product measuring ranges H2SO
Cleaning and disinfectant product measuring ranges
Measuring range selection with assignment of the
conductivity current output (in PROFIBUS version)
Measuring range selection with assignment of the
conductivity current internally across 70 measuring
ranges
Conductivity display (µS/cm, mS/cm or S/cm)
Product display: Product name and concentration
Temperature measurement
Data
Measuring principle: Resistance measurement
according to DIN IEC 751 using three-wire
connection method (linearisation according to DIN
IEC 751)
Temperature measuring range
Temperature display (digital): with a resolution of 0.1
°C (above 100 °C, resolution of 1 °C)
Precision, (from 0 - 100 °C)
Response time, (with flowing medium)
Temperature compensation
Data
Reference temperatures or manually adjustable
(0 °C...55 °C), selectable using keypad in device
TC setting range selectable with keypad in device in
intervals of 0.01%/K
Functional range of temperature compensation
TC display, (digital)
=
3
=
4
Five conductivity
measuring ranges
0..100 °C or [Tca/
100x(T-Tref) ≥ -
103
Technical Data
Value Unit
8 kHz
0 ... 5 by weight %
0 ... 5 by weight %
0 ... 5 by weight %
0 ... 5 by weight %
24 V
3 digits
3 digits %
Value Unit
100 Pt
-20 to 150 °C
3 in °C
½
+/- 0,5 °C
T < 5 sec
90
Value Unit
0, 20, 25 °C
0 ... 5%/K
0.25]
3 digits in %
417101561 Rev. 4-06.2021