Figure 7-22. Replacing The Flow Transducer; Flow Transducer Calibration - Thermo Scientific 42i Instruction Manual

Servicing

Flow Transducer Calibration

Flow Transducer
Calibration
7-46 Model 42i Trace Level Instruction Manual
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Disconnect the plumbing connections from the flow transducer. Note
the plumbing connections to facilitate reconnection.
Flow Transducer
Retaining Nuts
Figure 7–22. Replacing the Flow Transducer
3. Disconnect the flow transducer cable from the measurement interface
board.
4. Loosen the two retaining nuts securing the flow transducer to the
ozonator bracket and remove the flow transducer.
5. To install the flow transducer, follow previous steps in reverse.
6. Calibrate the flow transducer. Refer to the "Flow Transducer
Calibration" procedure that follows.
Use the following procedure to calibrate the flow transducer.
Equipment Required:
Calibrated flow sensor
Thermo Fisher Scientific