Setra 230 Differential Water Pressure Transducer

Features

  • Only true wet-to-wet differential pressure transducer on the market
  • ±0.25% FS Accuracy
  • Available to 1 PSID with 350 PSI Line Pressure
  • No Liquid Fill Diaphragm
  • NEMA 4 Rated Housing
  • Low Line Pressure Effect
  • Fast Response Time
  • Gas & Liquid Compatible
  • CE & RoHS Compliant

 

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The 230 is Setra’s highest accuracy solution for monitoring differential pressure in wet-to-wet applications. Its single diaphragm design enables a true wet-to-wet differential pressure measurement with superior ±0.25% FS accuracy compared to competitive units which calculate differential pressure using two single-point pressure sensors. The stainless steel capacitive sensor provides a highly accurate, linear analog output proportional to the pressure over a wide temperature range. The 230 is offered with an optional 3 or 5-valve machined brass manifold for ease of installation and maintenance.

Dimension

Key Benefits

  • Avoid Line Pressure w/ Single Diaphragm Sensor
    Unlike the competition, the 230 is a true wet-to-wet sensor with a single diaphragm construction. The differential pressure range of a single diaphragm is not impacted by line pressure whereas dual differential pressure sensors require the individual sensors to measure gauge pressure, comparing the outputs to determine the differential pressure.
  • Increase the Sensors Response Time
    The 230 utilizes an all stainless steel capacitive sensor which responds 20x faster than oil-filled sensors and provides conditioned electronic circuitry with a highly accurate, linear analog output proportional to the pressure over a wide temperature range.
  • Save Time on Money & Installation
    When time and project costs are a priority, the 230 is offered with an optional 3 or 5-valve machined brass manifold for ease of installation and maintenance. The brass body has no internal process connections, therefore eliminating the risk of internal leaks.

Application

  • Energy Management Systems
  • Process Control Systems
  • Flow Measurement of Various Gases or Liquids
  • Liquid Level Measurement or Pressurized Vessels
  • Pressure Drop Across Filters

Dpstar is an authorized distributor of Setra Systems. We provide our customers with the best selection of instrumentation and equipment with unrivaled prices to perform in Pressure Sensing Solutions. Setra’s pressure sensors are known for their quality and reliability. Designed with premium capacitive sensing technology, Setra offers single-range and multi-range (field selectable) pressure sensors. Capable of measuring both liquid and gasses, Setra has the product to meet a breadth of HVAC applications and can be trusted in your most critical applications. Trust Setra’s over 50 years of pressure transducer engineering excellence.

 

Specification

Performance Data
Accuracy RSS1 (at constant temp) ±0.25% FS
Non-Linearity, BFSL ±0.20% FS
Hysteresis 0.10% FS
Non-Repeatability 0.05% FS
Position Effect
Compensated Range °F(°C) +30 to +150 (-1 to +65)
Zero Shift %FS/100°F(%FS/50°C 2.0 (1.8)
Span Shift %FS/100°F(%FS/50°C) 2.0 (1.8)
Line Pressure Effect Zero shift ±0.004% FS/PSIG line pressure
Resolution Infinite, limited only by output noise level (0.02%FS)
Static Acceleration Effect 2%FS/g (most sensitive axis)
Natural Frequency 500 Hz (gaseous media)
Warm-up Shift ±0.1% FS total
Response Time 30 to 50 milliseconds
Long Term Stability 0.5%FS/1 YR
Maximum Line Pressure 350 PSIG
Environmental Data
Operating3 Temperature °F (°C) 0 to +175 (-18 to +80)
Storage Temperature °F (°C) -65 to +250 (-54 to +121)
Vibration 5 g from 5 Hz to 500 Hz
Acceleration 10g
Shock 50g
Pressure Media
Gases or liquids compatible with 17-4 PH Stainless Steel, 300 Series
Viton O-Rings. Note: Hydrogen not recommended for use with 17-4
PH stainless steel. Optional Buna-N O’rings are recommended for
hydrocarbon applications.
3 & 5 Valve Manifold
Gases or liquids compatible with 360 brass, Copper 122, Acetal plug
valves and Nitrile O-rings.
Physical Description
Case Stainless Steel/Aluminum
Electrical Connection Barrier strip terminal block with conduit enclosure & 0.875 DIA conduit opening.
Pressure Fittings 1/4”-18 NPT interna
Weight (approx.) 14.4 oz
Sensor Cavity Volume 0.27 in3 Positive Port, 0.08 in3 Negative Port
(With 1/4”NPT external fittings installed-does not include cavity volume of 1/4”NPT external fittings.)
Physical Description (3-Valve Manifold Assembly)4
Manifold Block Brass
Valves (3)5 V1 for Connection to + port
V2 for Connection to – port V3 for Equalizing Pressure
Valve Type 90° On/Of
Process Connections 1/4”-18 NPT Internal Thread
Dimensions 7.05”W x 6.25”H x 2.16’’D
Weight <2.5 lbs.
Physical Description (5-Valve Manifold Assembly)6
Manifold Block Brass
Valve (5)5 V1 for Connection to ± Port
V2 for Connection to – Port
V3 for Equalizing Pressure
V4 & V5 for Connection to External
Gauge or Alternate Plumbing Configuration
Process Connection 1/4”-18 NPT Internal Thread
Dimensions 7.05”W x 6.25”H x 2.16’’D
Weight <3.8 lbs.
Electrical Data (Voltage)
Circuit 3-Wire (Exc, Out, Com)
Excitation 9 to 30 VDC for 0-5 VDC Output, 13 to 30 VDC for 0-10 VDC Output
Output7 0 to 5 VDC8, 0 to 10 VDC8
Output Impedance 100 ohms
Electrical Data (Current)
Circuit 2-Wire
Output9 4 to 20mA10
External Load 0 to 1000 ohms
Minimum supply voltage (VDC) 9+ 0.02 x (Resistance of receiver plus line)
Maximum supply voltage (VDC) 30+ 0.004 x (Resistance of receiver plus line)
Specifications subject to change without notice.

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