Water Quality for
Autoclaves
The conductivity of water is usually
expressed as micro Siemens/cm (µS/cm) The relation
between conductivity and dissolved solids is
approximately 2:1. It is recommended that the process
water for an autoclave has a conductivity of no more than
15 µS/cm. The equivalent TDS reading would be 7.5,
a reading above that means the water is not suitable for
use.

The damage poor water
quailty can do to your autoclave.
The TDS
Meter measures the amount of
Total Dissolved Solids (TDS) in a solution. Since dissolved
ionized solids like salts and minerals contribute to the
electrical conductivity of a solution, a TDS meter typically
report the weight ratio between the dissolved solids and the
total weight of the solution. The unit used by TDS meters is
parts per million (ppm). For example, a water sample of 1 kg
containing 1 mg of dissolved solids is equal to 1 ppm
TDS.
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