Setra Systems Multi-Sense 231

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Multi-Sense

Model 231

Multi-Congurable, Wet-to-Wet

Differential Pressure Transducer

Setra’s 231 is a multi-congurable, wet-to-wet dierential pres-

sure transducer oering the user an all-in-one device with eld

selectable pressure ranges and analog outputs. The device is

oered with an optional 3 or 5 valve machined brass manifold

for ease of installation and maintenance. The 231 has a robust,

NEMA 4 enclosure with a hinged, captive cover allowing for

easy access to switches for adjusting the range and output. An

optional display is available that allows users to view high, low,

and dierential pressure readings on a simple rotating cycle.

Field Selectable Pressure Ranges

The 231 oers 8 eld selectable pressure ranges which can be

changed using a slide switch, reducing risk of installing the

wrong range unit. The multi-range functionality allows the

user to hold less inventory and add additional exibility in the

eld.

Quick & Simple Installation

The 231 provides the user with an optional 3 or 5 valve ma-

chined brass manifold which can save money on installation

and maintenance. The single piece construction of the brass

body has no internal process connections, eliminating the risk

of internal leaks.

Robust Enclosure for Difcult Applications

The 231 NEMA 4 housing oers an optional LCD display for in-

stant indication of the high, low and dierential pressure read-

ings. A hinged enclosure makes it suitable for harsh environ-

ments and saves the hassle of misplacing it when completing

a dicult installation.

n Dual Sensors

n Suitable for Harsh Environments

n 3 & 5 Valve Manifold Assembly Options

Model 231 Features:

• 4 Field Selectable Outputs

• 8 Field Selectable Pressure Ranges

• Field Accessible Push-Button Zero & Remote Zero

• Hinged Cover

• Optional LCD Display

• NEMA 4 Rated Housing, All Cast Aluminum

• CE & RoHS Compliant

Applications:

• Energy Management Systems

• Process Control Systems

• Flow Measurement of Various Gases or Liquids

• Liquid Level Measurement of Pressurized Vessels

• Pressure Drop Across Filters

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Summary

Field Selectable Pressure Ranges

The 231 offers 8 field selectable pressure ranges changed via a slide switch, reducing risk of installing the wrong range unit.

Quick & Simple Installation

Optional 3 or 5 valve manifold saves money on installation and maintenance, eliminating the risk of internal leaks.

Robust Enclosure for Difficult Applications

NEMA 4 housing with optional LCD display and hinged cover is suitable for harsh environments.

General Specifications

Electrical Data (Voltage)

Details on excitation, output, and circuit consumption for voltage configurations of the Model 231.

Electrical Data (Current)

Details on circuit, output, external load, and supply voltage for current configurations of the Model 231.

Physical Description

Information on the case material, pressure fittings, electrical connection, size, weight, and sensor volume.

Environmental Data

Specifies operating and storage temperature ranges for the Model 231 transducer.

3-Valve Manifold Assembly Dimensions

Provides dimensions and configuration details for the 3-valve manifold assembly.

5-Valve Manifold Assembly Dimensions

Provides dimensions and configuration details for the 5-valve manifold assembly.

Ordering Information

Details on model codes, range specifications, pressure connections, and display options for ordering.

Installation Diagram

Illustrates the typical installation setup for the Model 231 with high and low pressure sensors.

Pressure Range Code Selector

Guide to selecting the correct range code based on highest system line pressure and differential pressure.

Setra Systems Multi-Sense 231 Specifications

General

Output	4-20 mA, 0-5 VDC, 0-10 VDC
Operating Temperature	-40 to 85°C
Power Supply	12 to 30 VDC
Electrical Connection	Cable
Process Connection	1/4" NPT
Accuracy	+/-0.25% FS

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Setra Systems Multi-Sense 231 - User Manual