Smar Concentration DT301 4 to 20 mA + Hart Density Transmitter

The DT301 4 to 20 mA + Hart 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, Baumé degree, Plato degree, concentration, etc.

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

Input	Range 1: 0.5 to 1.8 g/cm³ Range 2: 1.0 to 2.5 g/cm³ Range 3: 2.0 to 5.0 g/cm³
Output	Two-wire, 4-20 mA with superimposed digital communication (HART protocol)
Accuracy	Range 1: ±0.0004 g/cm³ (±0.1 °Bx) Range 2: ±0.0007 g/cm³ Range 3: ±0.0016 g/cm³
Power Supply	12 to 45 Vdc
Indication	4 ½-digit numerical and 5-character alphanumerical LCD indicator
Wetted Parts	316 SS or Hastelloy
Temperature Limits	Ambient: -40 to 85 °C (-40 to 185 ºF) Process: -20 to +150ºC (-4 to 302ºF)
Static Pressure Limit	70 kgf/cm² (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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