TPM 057 Version 1.0, May 31, 2018 Page | 5
OVERVIEW
Figure 3 TD100 Probe
mounted transmitter to the liquid level. This distance is then used to determine level of the liquid in the
tank. The calculated level is converted into common volume units and is sent to the Finch II display.
The SensorLink
TM
software interface compiles and displays a strapping table tracking volume
characteristics and allows the user to view and set alarms. The strapping table is programmed before
installation and operation on the tank.
Optional components are installed as required.
3.1 C
OMPONENTS
TD100 Transmitter (T21)
The TD100 transmitter generates and processes the radar signals to
determine liquid level in a tank. The TD100 is mounted on the tank top and
connected to the probe, is weatherproof and rated for use in hazardous
locations where explosive fumes may be present. TD100 transmitter
connects with a probe and supports level measurement of a wide range of
liquids.
Current Loop Transmitter (T22)
TD100 transmitters are available with an optional 4-20mA output. This option
will communicate level information only (no alarms) and must be ordered
when purchasing the TD100 system. It is not upgradable after manufacture of
the transmitter.
Current loop transmitters are used for long distance communication due to
their insensitivity to electrical noise. They are resistant to power supply
voltage variations and wiring resistance.
Dual-Rod Probe
The probe guides the GWR pulse and reflection from the surface of the liquid.
The probe is mounted on the tank top and is connected to the bottom of the
transmitter via the top fitting. It is seated in the anchor cone. The TD100
Transmitter is optimized for use with the Dual-Rod probe and is not
compatible with the Coaxial probe.
The probe is available in a Stainless Steel, or in a Hastelloy® option for
corrosive environments.
The Dual-Rod probe is available with Titan Logix supplied 1” NPT top fitting
(recommended) and anchor cone.
Figure 2 TD100 Transmitter
Top
Fitting
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