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38
Connections
Conductivity input
8-pole male DIN45326 connector
Input module for the temperature probes
8-pole male DIN45326 connector
RS232 serial interface
8-pole MiniDin connector
USB interface (only
HD2106.2
)
Mini-USB type B connector
Mains adapter (cod.
SWD10
)
2-pole connector (positive at centre)
Measurement of conductivity by Instrument
Measurement range (Kcell=0.1) / Resolution
0.00…19.99
μ
S/cm / 0.01
μ
S/cm
Measurement range (K cell=1) / Resolution
0.0…199.9
μ
S/cm / 0.1
μ
S/cm
200…1999
μ
S/cm / 1
μ
S/cm
2.00…19.99mS/cm / 0.01mS/cm
20.0…199.9mS/cm / 0.1mS/cm
Measurement range (K cell=10) / Resolution
200…1999mS/cm / 1mS/cm
Accuracy (conductivity)
±
0.5%
±
1digit
Measurement of resistivity by Instrument
Measurement range (Kcell=0.1) / Resolution
Up to 100M
Ω⋅
cm / (*)
Measurement range (Kcell=1) / Resolution
5.0…199.9
Ω⋅
cm / 0.1
Ω⋅
cm
200…999
Ω⋅
cm / 1
Ω⋅
cm
1.00k…19.99k
Ω⋅
cm / 0.01k
Ω⋅
cm
20.0k…99.9k
Ω⋅
cm / 0.1k
Ω⋅
cm
100k…999k
Ω⋅
cm / 1k
Ω⋅
cm
1…10M
Ω⋅
cm / 1M
Ω⋅
cm
Measurement range (Kcell=10) / Resolution
0.5…5.0
Ω⋅
cm / 0.1
Ω⋅
cm
Accuracy (resistivity)
±
0.5%
±
1digit
Measurement of total dissolved solids (with coefficient
χ
/TDS=0.5)
Measurement range (Kcell=0.1) / Resolution
0.00…19.99mg/l / 0.05mg/l
Measurement range (Kcell=1) / Resolution
0.0…199.9 mg/l / 0.5 mg/l
200…1999 mg/l / 1 mg/l
2.00…19.99 g/l / 0.01 g/l
20.0…99.9 g/l / 0.1 g/l
Measurement range (Kcell=10) / Resolution
100…999 g/l / 1 g/l
Accuracy (total dissolved solids)
±
0.5%
±
1digit
(*) The resistivity measurement is obtained from the reciprocal of conductivity measurement. Close to the bottom of the
scale, the indication of resistivity appears like reported in the table below.
K cell = 0.01 cm
-1
K cell = 0.1 cm
-1
Conductivity
(
μ
S/cm)
Resistivity
(M
Ω⋅
cm)
Conductivity
(
μ
S/cm)
Resistivity
(M
Ω⋅
cm)
0.001
μ
S/cm 1000
M
Ω⋅
cm 0.01
μ
S/cm 100
M
Ω⋅
cm
0.002
μ
S/cm 500
M
Ω⋅
cm
0.02
μ
S/cm 50
M
Ω⋅
cm
0.003
μ
S/cm 333
M
Ω⋅
cm
0.03
μ
S/cm 33
M
Ω⋅
cm
0.004
μ
S/cm 250
M
Ω⋅
cm
0.04
μ
S/cm 25
M
Ω⋅
cm
… …
… …
