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Ex Smart Density/Concentration
Transmitter

The DT301 Intelligent Concentration/ Density Transmitter is an instrument developed for the continuous, online measurement of liquid concentration and density, directly in the industrial process. Its pioneer technology consists of a capacitive type differential pressure transmitter coupled to a pair of pressure repeaters immersed in the process.

A temperature sensor located between the two pressure repeaters is used to compensate the temperature variations in the process fluid. A dedicated software, by means of an algorithm, calculates the fluid density. Depending on the industrial process, density may be expressed in Brix degree, Gay-Lussac degree, Baum degree, Plato degree, concentration, etc.

Designed for process control applications, these 2-wire transmitters generate a 4-20 mA signal proportional to the concentration/density. Digital communication for remote calibration and monitoring is also provided.

 

Input
Range 1: 0.5 to 1.8 g/cm
Range 2: 1.0 to 2.5 g/cm
Range 3: 2.0 to 5.0 g/cm
Output 
Two-wire, 4-20 mA with superimposed digital communication (HART protocol)
Accuracy
Range 1: 0.0004 g/cm (0.1 Bx)
Range 2: 0.0007 g/cm
Range 3: 0.0016 g/cm
Power Supply
12 to 45 Vdc
Indication
4 -digit numerical and 5-character alphanumerical LCD indicator
Wetted Parts
316 SS or Hastelloy
Temperature Limits
Ambient: -40 to 85 C (-40 to 185 F)
Process: -20 to +150C (-4 to 302F)
Static Pressure Limit
70 kgf/cm (7MPa) (1015 PSI)
Ambient Humidity Limits
0 to 100% RH
Process Connection
Industrial model: 316 SST flange ANSI B16.5
Sanitary mode: 304 SST Tri-clamp
Hazardous Area Certification
Explosion proof, weather proof and intrinsically safe
Mounting
Side or Top Mounting
Weight
Sanitary model: 4.5 kg (10 lb) - Industrial model: 8 kg (18 lb)

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DESCRIPTION

The DT301 is available in two models:

  DT301I (Industrial Model) for general purpose

  DT301S (Sanitary Model) for food and other applications where sanitary connections are required. Both models have two mounting types: top mounting (straight type) and side mounting (curved type). 

Installation may be done either in open or pressurized tanks, or directly in pipes since the DT301 is suitable for dynamic and static fluids.

The Sanitary model uses a Tri-Clamp connection to allow a quick and easy connection and disconnection from the process. Wetted surface finish is 32Ra as standard. These model meets 3A recommendations so that the probe surface is free of crevices where food or bacteria can be collected. 3A is the most widely accepted sanitary standard in the food, drug and beverage industry

Installation may be done either in open or pressurized tanks, or directly in pipes since the DT301 is suitable for dynamic and static fluids.
The Sanitary model uses a Tri-Clamp connection to allow a quick and easy connection and disconnection from the process. Wetted surface finish is 32Ra as standard. These model meets 3A recommendations so that the probe surface is free of crevices where food or bacteria can be collected. 3A is the most widely accepted sanitary standard in the food, drug and beverage industry.