TRANSMITTERS
Model X55-300 Series - Pressure to Current Converters
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✔︎ Models
X55-302 (two-wire), X55-304 (four-wire)✔︎ Inputs
3-15, 3-27, 6-30, 0-30, 0-100 PSIG✔︎ Maximum Input
3 times full scale without damage✔︎ Outputs
X55-302: 4-20 mA or 10-50 mA
X55-304: 4-20 mA, 10-50 mA, 0-1 Vdc, 0-2
Vdc, 0-5 Vdc,1-10 Vdc, 1-5 Vdc, 2-10 Vdc✔︎ Accuracy
±0.2% of span (linearity, hysteresis, repeatability)✔︎ Response
1.0 msec (10 to 90% of full scale)✔︎ Operating Temperature
-40º to 150ºF (-40º to 70ºC)✔︎ Storage
-58º to 185ºF (-50º to 85ºC)✔︎ Temperature Stability:
0.025% of span per ºC for 0 to 50ºC✔︎ Power Requirements
X55-302: 12 to 55 Vdc
X55-304: 22 to 30 Vdc✔︎ Connections
Air, 1/8” NPT (female)✔︎ Loop Resistance: (R) Vs. Power Supply Voltage (PSV)
X55-302: 4-20 mA: Rmax = PSV -12 V÷20 mA 10-50 mA: Rmax = PSV -12 V÷50 mA
X55-304: 4-20 mA: Rmax = PSV -6 V÷20 mA; or 10-50 mA: PSV -8 V÷50 mA✔︎ Output Impedance
Current Outputs: 1 Mohm
Voltage Outputs: 5 V: 250 ohms; 10 V: 500 ohms✔︎ Alarm Output
Open collector transistor capable of 50 mA
(maximum leakage = 100 μA at 24 Vdc)✔︎ Wiring
Up to 12 AWG -
✔︎ 5 Ranges Up to l00 PSIG
✔︎ Two or Four-Wire Models
✔︎ Fast Responding Solid State Design
✔︎ Detachable Electronics with automatic Pressure Seal
✔︎ Insensitive to Vibration
✔︎ Front Accessible Zero, Span and set point Adjustments
✔︎ Mounts in Any Position
✔︎ Front Accessible Output Monitor Test Jacks
✔︎ Loss-of-Air Alarm Indicator/Output Signal
✔︎ Optional High or Low Pressure adjustable Set point
✔︎ 3 Times the Maximum Rated Pressure without Damage