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Introduction
Section 1: Introduction
1.1
System Description
The Model 375 is specifically designed for slurry and highly viscous
applications where clogging of the sensor area is common. The Model 375
uses a 3.5" flush diaphragm to prevent unwanted clogging of the sensing area.
This submersible level device is made of 316 SS which offers outstanding
environmental protection and is available in depths up to 138 feet of water.
The non-fouling flush diaphragm is designed to eliminate unwanted buildup
of debris, fats, oils, greases, and other bio-solids by removing any potential
gaps on the measurement area. The high integrity seal's heavy construction
eliminates the effects of turbulence on the sensor.
The 375 Series Transmitters indicate the level of liquid by continuously
measuring hydrostatic pressure via its sensing element, an ion implanted
silicon semiconductor chip with integral Wheatstone Bridge circuit. Once
the sensor measures the pressure, the data is transmitted by a 4 to 20 mA
output signal. This design provides for excellent reliability in remote and
inaccessible locations.
The Model 375 is approved for intrinsically safe operation in hazardous
locations as designated by Class I, Div 1, Groups A, B, C & D and Class II,
Groups E, F & G. when used with an approved barrier.
All Model 375 transmitters are equipped with a sealed cable termination
area and moisture absorbing desiccant. The purpose is to restrict moisture
from entering the transmitter through the cable vent.
Features
• Oversized 3.5" flush diaphragm to prevent clogging
• 0.25% Full Scale Accuracy
• Intrinsically Safe for Class 1 Division 1 Applications
• Custom Pressure Ranges and Cable Lengths
• Extremely rugged 316L SS construction
• Two-wire, 4-20 mA standard output
• Reverse polarity and surge protection
Applications
• Lift Stations
• Sewage Levels
• Slurries
• Storm Runoffs
• Pump Control
1
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