Hazardous location transmitters

Model 548 Pressure Transmitter

Model 548 Pressure Transmitter

The “X48” Series features all welded stainless steel construction with 316L stainless steel wetted parts. Non-linearity is 0.25% or better with an optional improved non-linearity of better than 0.1%. Standard ranges are from 3 PSI to 5,000 PSI with available outputs of mV/V, 4-20 mA and 0-5 VDC. Also available are optional zero and span adjustments.

Inquiry system 

Configure your own product according to your requirements and needs. If you are unsure of the configuration, provide us in the notes the necessary information about the existing sensor or product, even a competitor. We will be happy to help you find an alternative Viatran product. If your request is urgent, let us know. We will do our best to help you resolve this situation to your satisfaction as quickly as possible. If we have all the information, we are able to offer a model with minor differences, which is in stock and you can have another product available the next day.

If you need more information do not hesitate to contact us.

Viatran Configuration Code:

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  Full Scale Pressure Ranges 0-3 thru 0-5000 PSIG, PSIS
0-15 thru 0-5000 PSIA
.0-15 PSIV
Linearity (Best Fit Straight Line) ≤ ±0.25%
"DN" Option- Improved Linearity ≤ ±0.1%
Hysteresis ± 0.05% FSO
  Repeatability ± 0.05% FSO
Full Scale Output (FSO) 16 mA ±1%
Zero Balance ≤ ±1% FSO
  LongTerm Stability ≤±0.25% FSO per 6 months
Response Time ≤ 1 mSec to reach 90% FSO
Temperature Effect on Zero ≤±1% FSO per 100°F (37°C)
Temperature Effect on Span ≤±1% FSO per 100°F (37°C)
Compensated Temperature 32°F to 180°F (0°C to 82°C)
  Operating Temperature -40°F to 185°F (-40°C to 85°C)
  Storage Temperature Limit -40°F to 250°F (-40°C to 121°C)
  * For PSIV and Compound Range units: Temperature Effect on Zero ≤±3.0% per 100°F
Compensated Temperature Range 32°F to 170°F (0°C to 77°C


Supply Voltage:
9.0 to 30 Vdc
Power Supply Regulation Effect
≤±0.05% FSO per Volt
Output Signal
4 - 20 mA
Load Resistance 12 Vdc min with 150 ohm and 30 Vdc max with 1050 ohms
Circuit Protection Output may be short-circuited indefinitely. Input polarity may be reversed. Over voltage protected to 1000 volts. <1 msec duration.
Insulation Resistance <5nS Conductance
Electrical Connection

1/2" NPT (M), 18 AWG wire, 72" long

Wire Color Codes

Red +Power/Signal

Black -Power/Signal

Green Case ground

White No Connection

Brown No Connection


Enclosure Housing
304 and 316 stainless steel
Wetted Parts
316 Stainless Steel
10 oz.


Pressure Connection:
1/4" - 18 NPT Female 1/4" - 18 NPT Female (0-3.3 thru 0-1034 bar
Proof Pressure:
<=500 PSI lesser of 3x or 1200 PSI
>=500 PSI lesser of 5x or 10K PS
Burst Pressure:
<=500 PSI lesser of 5x or 2400 PSI
>=500 PSI lesser of 5x or 10K PS
Mounting May be supported by pressure connection
Identification Laser etched onto body