Table of Contents
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1.0 GENERAL INFORMATION
Your Setra Pressure Transducer has been carefully tested and calibrated before shipment. Model 225 perfor-
mance specifications are listed on Page 8 of this guide.
Setra's 225 pressure transducers sense gauge, compound or absolute pressure and convert this pressure to a
proportional high level analog output. Two output versions are offered: a voltage output of 5 VDC FSO (Full
Scale Output) and 10 VDC FSO, as well as current output of 4 to 20 mA.
NOTE: Latest version of this document may be found at www.setra.com.
1.1 EMC CERTIFICATIONS
This products complies with the latest revision of EN61326-1 and EN61326-2-3 Electrical Equipment for
Measurement, Control and Laboratory use - EMC Requirements for Minimum Requirements and Industrial
Locations. In order to meet EMC compliance the following conditions must be followed:
1. Shielded cable must be used and the shield must be tied to earth ground (not power supply
ground) on at least one end of the cable shield/drain wire. The shield must be maintained all the way
from the sensor to the power supply.
2. If unshielded cable is used, an earth grounded metal conduit fitting can be used to replace the
shielded cable.
3. For a sensor with a metal body or enclosure, the body/enclosure must be grounded to earth. If a
protective metal housing is used, the metal housing should be grounded to earth.
2.0 MECHANICAL INSTALLATION
2.1 MEDIA COMPATIBILITY
Model 225 transducer is designed to be used with any gas or liquid compatible with 316L Stainless Steel.
Never submerge the transducer in any liquids.
2.3 PERFORMANCE SPECIFICATIONS
ACCURACY
:
*
(at constant temperature)
Non-Linearity, BFSL
Hysteresis
Non-Repeatability
*RSS of Non Linearity, Non repeatability & Hysteresis
ENVIRONMENTAL DATA:
Operating Temperature
Storage Temperature
F(
o
Current Unit Ordered with Option N1:
Operating Temperature
Storage Temperature
F(
o
2
Ultra High Purity Transducers
±0.25% FS
±0.15% FS
0.20% FS
0.02% FS
F(
C)
-40 to +185 (-40 to 85)
o
o
C)
-40 to +185 (-40 to 85)
o
F(
C)
-22 to +176 (-30 to 80)
o
o
C)
-22 to +176 (-30 to 88)
o
Setra Model 225
THERMAL EFFECTS:
Comp Range
F(
o
o
Zero Shift %FS/100
Span Shift %FS/100
Warm-Up Shift
C)
+15 to +150 (-9 to +65)
F(50
C)
2.0 (1.8)
o
o
F(50
C
2.0 (1.8)
o
o
<±0.1% FS Total
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