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4 OPERATION
GENERAL INFORMATION
4.1
The 9065C has two different measurement programs. One program is for an individual O
measurement and the other program is for a continuous O
can be selected in the "Measurement choice" menu (see Section 4.2).
The instrument must be rinsed with the liquid to be measured before taking the first measurement.
The response time of the O
temperature as the liquid. Rinsing the measurement chambers with the liquid in advance will,
therefore, result in a faster measurement. For later measurements, the instrument does not have to
be rinsed for so long or it may even not be necessary to rinse the instrument.
Before connecting the 9065C to the sampling point, you must make sure the instrument cannot
fall over during the measurement.
Close the tap on the tank or pipe before the sampling hoses are connected to the 9065C.
Make sure the throttle valve is not fully closed. The tap must be opened and closed
slowly.
The pressure in the sampling hoses must not exceed 10 bar.
OPERATION PROCEDURE
4.2
1. Connect the 9065C sampling hose to the sampling point. Place the end of the outlet hose
(9065C) in a drain and secure it in place.
NOTE:
2. Open the tap at the sampling point.
3. Use the throttle valve to adjust the flow rate (approx. 20 l/hour), making sure the throttle
valve does not stop the flow of product.
NOTE:
Waltron User Manual
9065C Portable Luminescent Dissolved Oxygen Analyzer
measurement is reduced if the instrument is almost the same
2
When samples are under low pressure, the instrument must
be placed as low as possible. The extra pressure reduces
the chance of gas bubbles escaping during sampling.
If the throttle valve is fully closed, this will result in an
incorrect O2 value.
measurement. The desired program
2
Operation
2
20
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