Greyline Instruments PTFM 1.0, Руководство пользователя

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PTFM 1.0 Portable Transit Time Flow Meter
Possible Causes:
Corrective Action:
Coupling compound washed out, or sensor loose on
pipe.

Remount sensor

Use Dow Corning Silicone #4
METER READING HIGHER THAN EXPECTED?
Calibration Error

Review calibration menu. Pipe dimensions and
fluid selection/fluid velocity.
Higher flow rate than expected

Investigate pump/valves. Compare velocity
with alternate instrument.
Erratic measurement (set damping to 0% to check) due
to electrical noise or poor signal quality.

Try adjusting sensor spacing (+/- 10%) and
contact Greyline for further assistance.
Pipe not Full

Verify pipe is full by mounting sensors at top
of pipe and check echo icon. No echo if pipe is
not full.
High viscosity fluid

Laminar flow profile due to high viscosity fluid
requires an adjustment to Cal Const.
BATTERY CONDITIONING

To restore or condition your PTFM 1.0 battery
for best performance fully discharge the unit
(leave it on with backlight lit until it switches
off) and then charge for 6 hours, disconnect
charger momentarily, reconnect and charge
again for 6 hours.