Omega Products PX274-0.1DI User Manual
DIFFERENTIAL PRESSURE TRANSMITTER
WITH FIELD-SELECTABLE RANGES
Current or Voltage Output
PX274/277 Series
U Up to 6 Field-Selectable
Ranges in a Single Unit
U Rugged NEMA 4 (IP65)
Enclosure with External
Mounting Bracket
U Up to 10 psid
Overpressure
Zero Shift
U Short Circuit and
Reverse Polarity
Protected
The PX274 is a rugged differential
pressure transmitter that offers up
to 6 field-selectable ranges in
one unit. It incorporates a rugged
NEMA 4 (IP65) dust-proof and
splashproof enclosure with an
external mounting bracket.
SPECIFICATIONS
Excitation:
PX274: 12 to 40 Vdc
PX277: 12 to 35 Vdc
Output:
PX274: 4 to 20 mA (2 wire)
PX277: 0 to 5 or 0 to 10 Vdc
Accuracy: ±1.0% FS
Operating Temp:
-18 to 80°C (0 to 175°F)
Without
PX277-05D5V, shown
smaller than actual size.
Compensated Temp:
-4 to 65°C (25 to 150°F)
Thermal Effects:
0.02% FS/°C (±0.0125%/°F)
Proof Pressure: 10 psi
Media Compatibility:
Clean, dry air or inert gas
Pressure Fittings: 0.2" hose
barbs (use
flexible tubing)
Termination: Screw terminal
Enclosure: Enamel coated, 18
GA steel, NEMA 4 (IP65) rated
Weight: 454 g (1.0 lb)
3
⁄16"
83
(3.250)
(2.658)
68
(2.75)
Dimensions: mm (in)
70
127
(5.00)
140
(5.50)
Enclosure
70
(2.75)
102
(4.00)
102
(4.00)
To Order Visit omega.com/px274 for Pricing and Details
CURRENT MODEL NO. VOLTAGE MODEL NO. SELECTABLE RANGES (inH2O) COMPATIBLE METERS
PX274-0.1DI PX277-0.1D5V 0 to 0.1, -0.05 to +0.05
PX274-01DI PX277-01D5V 0 to 1.0, 0 to 0.5, 0 to 0.25
-0.5 to 0.5, -0.25 to 0.25,
-0.125 to 0.125
PX274-05DI PX277-05D5V 0 to 5.0, 0 to 2.5, 0 to 1.25
-2.5 to 2.5, -1.25 to 1.25,
-0.625 to 0.625
PX274-30DI PX277-30D5V 0 to 30, 0 to 15, 0 to 7.5, -15
to 15, -7.5 to 7.5, -3.75 to 3.75
Comes complete with operator’s manual.
Ordering Examples: PX274-0.1DI, current output pressure transmitter with user-selectable ranges of 0 to 0.1 and -0.05 to 0.05 inH2O.
PX277-05D5V, voltage output pressure transmitter with user-selectable ranges between ±0.625 inH2O and 0 to 5 inH2O.
B-221
DP24-E, DP25B-E, DP41-E
DP24-E, DP25B-E, DP41-E
DP24-E, DP25B-E, DP41-E
DP24-E, DP25B-E, DP41-E
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