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A. J. deLange | all galleries >> Galleries >> brewery > RO Unit Meters
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24-MAY-2010

RO Unit Meters

Hobbs Meter shows total hours unit pump has run. TDS meter indicates conductivity of permeate in ppm equivalent NaCl. Indicated 3 ppm represents about 98% rejection as feed runs approximately 135 ppm. Inlet TDS can also be monitored. The meter is confused by EMI pulses generated by diaphragm pressure pump if these are not filtered from the 110 volt feed to RO unit.

Canon PowerShot SD870 IS
1/60s f/8.0 at 4.6mm iso200 hide exif
Full EXIF Info
Date/Time24-May-2010 01:49:58
MakeCanon
ModelCanon DIGITAL IXUS 860 IS
Flash UsedNo
Focal Length4.6 mm
Exposure Time1/60 sec
Aperturef/8
ISO Equivalent200
Exposure Bias
White Balance
Metering Modematrix (5)
JPEG Quality
Exposure Program
Focus Distance

other sizes: small medium large original auto
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