Knick Portavo 908 MULTI, User Manual

Page: 65 / 76

65
Specifications
Memosens conductivity
input
M8 socket, 4 pins, for flexible Memosens lab cable or
M12 socket, 8 pins, for flexible connecting cable for Memosens sensors
Measuring range SE 615/1-MS
sensor
10 µS/cm … 20 mS/cm
Measuring cycle Approx. 1 s
Temperature compensation Linear 0 … 20 %/K, reference temperature adjustable
nLF: 0 ... +120 °C / +32 ... +248 °F
NaCl (ultrapure water with traces)
HCl (ultrapure water with traces)
NH
3
(ultrapure water with traces)
NaOH (ultrapure water with traces)
Display resolution
(autoranging)
Conductivity 0.001 μS/cm (c < 0.05 cm
–1
)
0.01 μS/cm (c = 0.05 … 0.2 cm
–1
)
0.1 μS/cm (c > 0.2 cm
–1
)
Resistivity 00.00 … 99.99 MΩ cm
Salinity 0.0 … 45.0 g/kg (0 … +30 °C / +32 … +86 °F)
TDS 0 … 1999 mg/l (+10 … +40 °C / +50 … +104 °F)
Concentration 0.00 ... 100 % by wt
Concentration determination NaCl 0 – 26 wt% (0 °C / +32 °F) ... 0 – 28 wt% (+100 °C / +212 °F)
HCl
0 – 18 wt% (-20 °C / -4 °F) ... 0 – 18 wt% (+50 °C / +122 °F)
NaOH 0 – 13 wt% (0 °C / +32 °F) ... 0 – 24 wt% (+100 °C / +212 °F)
H
2
SO
4
0 – 26 wt% (–17 °C /–1.4 °F) ... 0 – 37 wt% (+110 °C / +230 °F)
HNO
3
0 – 30 wt% (-20 °C / -4 °F) ... 0 – 30 wt% (+50 °C / +122 °F)
H
2
SO
4
94 – 99 wt% (–17 °C /–1.4 °F) ... 89 – 99 wt% (+115 °C / +239 °F)
HCl 22 – 39 wt% (-20 °C / -4 °F) ... 22 – 39 wt% (+50 °C / +122 °F)
HNO
3
35 – 96 wt% (-20 °C / -4 °F) ... 35 – 96 wt% (+50 °C / +122 °F)
H
2
SO
4
28 – 88 wt% (–17 °C /–1.4 °F) ... 39 – 88 wt% (+115 °C / +239 °F)
NaOH 15 – 50 wt% (0 °C / +32 °F) ... 35 – 50 wt% (+100 °C / +212 °F)
Sensor standardization Cell constant Input of cell constant with simultaneous display of
conductivity value and temperature
Input of solution Input of conductivity of the calibration solution with
simultaneous display of cell constant and temperature
Auto Automatic determination of the cell constant
with KCl solution or NaCl solution