PART FOUR - SERVICE AND MAINTENANCE
SECTION 1 - GENERAL INFORMATION
Accu4™ Low-range Turbidimeter System
Rev. 2-300
84
☞
Re-calibrating
Measurement
System
4.
Replace the flow chamber cover. (For high pressure
design sensor, replace the O-ring, window, and lock-
ring.)
NOTE:
Make sure the cover O-ring is well lubricated
with the supplied lubricant, and properly seated
before tightening the cover or lockring. If not,
the cover may be difficult to remove next time.
Figure 4-3 Turbidity Sensor Terminal Block Designations
After replacing any light source(s) or detector(s), always
re-calibrate the measurement system using the appropriate
method. Refer to Part Three, Section 5 for details.