SIKA TD 32500 Operating Manual
3.2 Construction and operation of TD 32500
The digital indicator is equipped with a programmable measuring input for
flow rate and for summarizing the total volume. The instrument is designed
for use with SIKA flow sensors.
Optionally the measuring instrument can be also equipped with a
measuring input for resistance thermometers Pt100, two Open-Collector
alarm outputs, one TTL frequency divider output and analogue outputs 0/4-
20 mA or 0-10 V.
Depending on set-up, the display
views in numerical values the flow rate
of the connected flow sensor, the summarized value of a resettable total
volume, the summarized value of a non-resettable total volume or the
temperature of a Pt100 resistance thermometer.
In addition the flow rate, the resettable total volume or the temperature is
displayed as percentage reading in a bargraph, depending on
programming.
Programming the instrument is carried out with the operating keys
and
. These keys are designed as light reflection buttons. You can configure
the instrument with the keys and set it up for the required measuring
function.
The alarm-LED
4
indicates overstepping or falling short of adjusted limit
values.
The electronics are dust and watersplash safe installed in the bayonet ring
casing
. The casing is installed onto the SIKA flow sensor and can be
rotated by 180°, thus providing through individual adjustment free view to
the instrument.
The electrical connection is completed via a multicore supply cable or a
round multipoint plug-and-socket M12x1, depending on customer
requirements.
3.3 Components of TD 32500
3.3.1 Sensor inputs
The following measuring inputs for SIKA flow sensors are provided for the
instrument:
VTI / VTH / VTP 15 ... VTI / VTH /VTM 25 ... VTI / VTH / VTM 40 ...
VZ ... AL
VTR ...
The instrument is already screwed onto the flow sensor and completely
wired-up by the manufacturer.
The frequency generated by the sensors must not exceed 2000 Hz.
Instruments with a Pt100 resistance thermometer for temperature
measurement are delivered with sensor screwed into the tube and
completely wired-up.
Measurement range of the Pt100 sensor is between –10 °C up to +150 °C,
or 14 °F up to 302 °F.
Attention: Material damage!
The instrument must not be unscrewed or unplugged from the SIKA
flow sensor, because this could damage the electronics or the
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