Delta OHM HD3406.2, User Manual, Page: 36 / 44

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USB interface
Type 1.1 - 2.0 electrically isolated
Connections
Input for temperature probes
complete with TP47 module
pole male DIN45326 connector
Conductivity input 8-pole male DIN45326 connector
Serial interface and USB 8-pole MiniDin connector
Mains adapter 2-pole connector (positive at centre)
12Vdc/1A
Measurement of conductivity by instrument
Measurement range (Kcell=0.01) / Resolution 0.000…1.999
μ
S/cm / 0.001
μ
S/cm
Measurement range (Kcell=0.1) / Resolution 0.00…19.99
μ
S/cm / 0.01
μ
S/cm
Measurement range (Kcell=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 (Kcell=10) / Resolution 200…1999mS/cm / 1mS/cm
Accuracy (conductivity)
±
0.5%
±
1digit
Measurement of resistivity by Instrument
Measurement range (Kcell=0.01) / Resolution Up to 1G
Ω⋅
cm / (*)
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=0.01) / Resolution 0.00…1.999mg/l / 0.005mg/l
(*) 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
… … … …