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JandS

  • Posts: 4272
Check your TDS meters for calibration screw.
« on: January 10, 2018, 08:22:16 pm »
i bought a new one 6 weeks or so ago and it has been a bit hit and miss then I check the back today and there is no calibration screw so fake/faulty.
Logged
Impossible done straight away, miracles can take a little longer.
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