Section
2
Transmitter Overview
2.0 General Description
The LTM-Series are electronic field instruments,
suitable for installation in hazardous and non-
hazardous locations. Testing and certification has
been obtained from different agencies for
installation in such areas. This instrument is
designed to measure and transmit an analog and/or
digital signal proportional to liquid level in a tank.
The complete assembly includes a dual
compartment explosion-proof enclosure and
attached sensor tube and a magnetic float. The
LTM-Series are available in a variety of lengths and
wetted materials to accommodate many different
applications.
2.1 Product Identification
Figure 1. Example label/name plate
The product can be identified by the stainless steel
label that is located on the side of the transmitter
enclosure/housing.
The label can be read as follows:
wwww
= Any hazardous location area classification
markings that the instrument is approved for.
ZZ/ZZ
= Born on date; the2 digit month and 2 digit
year the instrument was shipped to the customer.
AAAA
= The specific serial number assigned by
Magtech for complete traceability.
BBBB
= The overall probe length of the instrument.
Note:
THIS IS NOT THE MEASURING RANGE.
XXXX
= The measuring range of the instrument.
The 0 and 100% (4/20mA) output range.
YYYY
= The end user specified tag number (only
when specified).
2.2 Transmitter Configurations
LTM-Series transmitters generally have two
configurations:
1.
Gage Mounted:
Where the transmitter is
mounted on the outside of a magnetic level
gage and strategically located within a
certain longitudinal distance from the
transmitter sensor probe and a magnetic
float is placed inside the level gage.
2.
Standalone (or Direction Insertion Type):
Where the transmitter has a magnetic float
directly around the transmitter sensor
probe and the probe is directly inserted into
a tank/vessel.
In either configuration as the tank level changes,
the float tracks the change and continuously
activates the sensor probe. The electronics process
the change in signal and output an analog and/or
digital signal. This output is precisely the liquid level
in the tank.
unique applications that require their own
distinctive configurations. Please consult the
factory for guidance.
2
wwwwwwwwwwwwwwwwwwwwwww
ZZ/ZZ
S/N
AAAA
/ OL
BBBB
MODEL LTM- 350-G-
XXXX
TAG
YYYY
wwwwwwwwwwwwwwwwwwwwwww
wwwwwwwwwwwwwwwwwwwwwww
Babbitt
is always willing to explore
Содержание LTM Series
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Страница 38: ...Loop Test 35 ...
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Страница 50: ...Operation status lets the user know how the transmitter is operating internally 47 ...
Страница 51: ...Calibration Status lets the user know if the instrument has been incorrectly calibrated 48 ...