ST400 & ST400M Portable Meter
EN-27
6.3
Table 3 Conductivity standards
T(°C)
10 μS/cm
84 μS/cm
500μS/cm
1413μS/cm
12.88 mS/cm
5
6.1 μS/cm
53 µS/cm
315.3µS/cm
896 µS/cm
8.22 mS/cm
10
7.1 μS/cm
60 µS/cm
359.63µS/cm
1020 µS/cm
9.33 mS/cm
15
8.0 μS/cm
68 µS/cm
402.93µS/cm
1147 µS/cm
10.48 mS/cm
20
9.0 μS/cm
76 µS/cm
451.53µS/cm
1278 µS/cm
11.67 mS/cm
25
10.0 μS/cm
84 µS/cm
500.03µS/cm
1413 µS/cm
12.88 mS/cm
30
11.0 μS/cm
92 µS/cm
548.5µS/cm
1552 µS/cm
14.12 mS/cm
35
12.1 μS/cm
101 µS/cm
602.53µS/cm
1667 µS/cm
15.39mS/cm
Conductivity
At 25 °
C
TDS KCl
TDS NaCl
ppm value
Factor
ppm value
Factor
84 μS
40.38
0.5048
38.04
0.4755
447 μS
225.6
0.5047
215.5
0.4822
1413 μS
744.7
0.527
702.1
0.4969
1500 μS
757.1
0.5047
737.1
0.4914
8974 μS
5101
0.5685
4487
0.5000
12.88 μS
7447
0.5782
7230
0.5613
15 μS
8759
0.5839
8532
0.5688
80 mS
52.168
0.6521
48.384
0.6048
LIMITED WARRANTY
Ohaus products are warranted against defects in materials and workmanship from the date of
delivery through the duration of the warranty period. During the warranty period Ohaus will repair,
or, at its option, replace any component(s) that proves to be defective at no charge, provided that
the product is returned, freight prepaid, to Ohaus.
This warranty does not apply if the product has been damaged by accident or misuse, exposed to
radioactive or corrosive materials, has foreign material penetrating to the inside of the product, or
as a result of service or modification by other than Ohaus. In lieu of a properly returned warranty
registration card, the warranty period shall begin on the date of shipment to the authorized dealer.
No other express or implied warranty is given by Ohaus Corporation. Ohaus Corporation shall not
be liable for any consequential damages.
As warranty legislation differs from state to state and country to country, please contact Ohaus or
your local Ohaus dealer for further details.
Summary of Contents for ST400
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