Echotel
®
Models 344/345
Ultrasonic Non-Contact
Transmitters for Level,
Volume, or Open Channel Flow
DESCRIPTION
Echotel Models 344 and 345 are full-featured, ultrasonic
non-contact transmitters that provide continuous mea-
surement for liquid level, volume, or open channel flow
applications. These versatile transmitters utilize the
latest in microprocessor-based electronics along with
powerful non-contact ultrasonic transducers, to provide
level measurement that is not affected by changes in
specific gravity, viscosity, or conductivity.
Model 344 and 345 are remote mounted transmitters
that feature a front panel keypad, and a large
16-character alphanumeric display of all parameters.
These transmitters are paired up with Kynar
®
and
316 stainless steel EchoMaster™ Ultrasonic Transducers
that have extensive agency approvals for hazardous
area locations.
FEATURES
• Front panel keypad for ease of programming – no
need to open enclosure after wiring
• 4–20 mA isolated (1,000 Ω load) and RS-232 outputs
• Four 10 amp SPDT relays allow for simple alarm
configurations to complex pump control including
lead/lag alternation of pumps
• Password code prevents unauthorized tampering of
calibration parameters
• 16-character alphanumeric display of all parameters.
• Complete self-diagnostics assures unit is operating
properly by checking all relays, outputs, and system
functionality
• Temperature compensation integral to all ultrasonic
transducers
• False target buffering eliminates signal interference
from fixed obstructions in vessel
APPLICATIONS
• Water and wastewater
• Slurries
• Viscous fluids
• Fuel oils
• Acids
• Caustics
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