8.2
Storage
Avoid long term storage at temperature over 100 °F. In an outdoor installation, properly shield the ST-730
Series sensor from direct sunlight and precipitation.
9
Troubleshooting
If the ST-730 Series sensor output signal is not stable and fluctuates significantly, make an additional ground
connection — connect the clear (shield, earth ground) wire to a conductor that contacts the sample water
electrically such as a metal pipe adjacent to the ST-730 Series tee.
Carry out routine calibration verification against a qualified turbidity standard. After properly cleaning
the ST-730 Series sensor, carry out the zero point and slope calibration using the qualified turbidity stan-
dard. Pyxis Lab
Turbidity Standards
can be purchased at our online E-Store
uct/turbidity-calibration-set-50-100-200-ntu/
Figure 20.
Turbidity Standards
10
Contact Us
Pyxis Lab, Inc
1729 Majestic Dr. Suite 5
Lafayette, CO 80026 USA
Phone: +1 (866) 203-8397
Email:
ST-730 Series User Manual
| +1 (866) 203-8397
17
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