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52
Cond
Specifications
Conductivity input,
analog
Multi-contact for 2-/4-electrode sensors with integrated temp detector
Measuring ranges
SE 202 sensor
0.01 … 200 μS/cm
SE 204 sensor
0.05 ... 500 mS/cm
2-electrode sensors 0.1 μS * c … 200 mS * c
4)
4-electrode sensors 0.1 μS * c … 1000 mS * c
4)
Permissible cell constant
0.005 … 200.0 cm
-1
(adjustable)
Measurement error
1,2,3)
< 0.5 % meas.val. + 0.4 µS * c
4)
Conductivity input,
Memosens
M8 socket, 4 pins, for Memosens lab cable or
M12 socket for Memosens sensors (Portavo 907 MULTI OXY only)
Measuring range
SE 615/1-MS sensor 10 µS/cm … 20 mS/cm
Conductivity inputs
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
1) acc. to EN 60746-1, at nominal operating conditions
2) ± 1 count
3) plus sensor error
4) c = cell constant
Summary of Contents for Portavo 907 MULTI
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