OZONE ANALYZER BMT 965 Manual, Rev. 01/2024
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Appendix E: DI Water Version BMT 965 AQ
General Description
The OZONE-IN-WATER SENSOR BMT 965 AQ is a UV photometer for the direct measure-
ment of the ozone content of clean, de-ionized water (special version HF for up to 20% hydroflu-
oric acid, ranges 10 to 150 ppm
w
). The instrument is based on our OZONE ANALYZER
BMT 965ST for the measurement of ozone in gas.
The BMT 965 AQ is a SENSOR because it does not have a display. It is designed to directly be
connected to e.g. a workstation via a 4-20 mA, or 0-10 V, signal line. The workstation also has to
monitor and control the instrument's functions like auto-zeroing, or possible failure indications.
An optional REMOTE DISPLAY BMT 965 RD is available for installations without a workstation
(to be specified in the order, needs e.g. BMT 965 AQ/RD, BMT 965 AQ/HF/RD).
The BMT 965 AQ is a splash proof cast aluminium enclosure (IP 65, NEMA 4X)
260 x 160 x 82 mm (W x H x D) with a sea water resistant coating (RAL 5009, azure), and weighs
about 3kg. Four mounting brackets are provided for installing the SENSOR where it is needed,
e.g. underneath a work bench. Power connector and signal connector are water proof. The cable
connecting the Remote Display is supplied with the Display.
The BMT 965 AQ features a sealed USB connector. All USB operations described for the standard
version can also be performed with the BMT 965 AQ. If no display is connected, when copying
data to a flash drive or upgrading the instrument from a flash drive, the instrument will signal end
of copy or upgrade operation by beeping five times per second.
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