9ENG8008 GFM436 User Manual
Appendix C – Vane Anemometer- 81
18 Appendix C – Vane Anemometer
18.1 Operating Instructions
These operating instructions are intended to ensure that the measuring instrument and probe remain perfectly
serviceable, guaranteeing fault-free and safe operation. We therefore ask you to read these instructions carefully
before placing the instrument in operation for the first time:
Avoid moisture, extreme temperatures, and vibrations.
Do not shake!
Clean probes and indication unit only in accordance with the cleaning instructions given below!
Strong electromagnetic interference (e.g. transformers, radio transmitting equipment) may affect the accuracy of
the measuring instrument.
18.2 Important notes
Every vane anemometer has a designed operating range. The transducers have been developed and produced for
this envisaged operating range. The calibration corresponds to the actual state, at the moment measurements are
made.
Incorrect handling can adversely affect vane anemometer readings.
It must be ensured that the instrument is operated only by trained personnel, the instrument is regularly serviced
and calibrated, and that no changes are made to the instrument except those described in the operating
instructions.
18.3 Streamline Measuring Head
The form of the measuring head guarantees a high direction insensitivity which is approx. +/- 20 degrees for Micro
head and +/- 25 degrees for Mini head.
NOTE: Anemometers do not form part of the ATEX, UKEX or IECEx certification of this instrument. Contact
the manufacturer for further advice on the safe use of these probes.
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