MODEL 548 PRESSURE TRANSMITTER

mA output, 0-3 thru 0-5K psi, Hazardous Approvals

548 has the approvals necessary for use in hazardous areas. Viatran offers a variety of standard options and our ability to modify our products provides flexibility to meet your specific application needs.

Features

High Accuracy

Many Options available

All Stainless Steel construction

Shunt Calibration circuit option

stainless

Specifications

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.

Performance

Full Scale Pressure Range:

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

Long Term 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))

Electrical

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

Mechanical

Pressure Connection: 1/4″ – 18 NPT Female1/4″ – 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 PSI

Burst Pressure:

<=500 PSI lesser of 5x or 2400 PSI
>=500 PSI lesser of 5x or 10K PSI

Materials Of Construction

Enclosure Housing: 304 and 316 stainless steel

Wetted Parts: 316 Stainless Steel

Weight: 10 oz.

Identification: Laser etched onto body

Mounting: May be supported by pressure connection

Option

DF: Bleed port (10K PSI and below)

DH: Special range

DN: Improved Linearity ≤0.1% FSO

DQ: Cleaning for oxygen service

EA: Special calibration run

NG: ATEX Flameproof label

NH: Customer specified identification

NJ: CE label

NK: ATEX intrinsic safety label

NX: CSA intrinsic safety label

NY: FM explosion proof label

NZ: FM nonincendive label

PW: 1/8 DIN digital indicator (consult factory)

TF: FM intrinsic safety label

TJ: CSA Division 2 label

TK: ATEX Type n label

TW: Russia Certificate of Conformity

Y ( ): Alternate pressure ports

Note:

Application of some available options may affect standard performance.

NJ and NG Options are not available on PSIV or Compound Range Units

For units equipped with a breather vent, consideration should be given to ensure that the breather element is kept clear and exposure to contamination is minimized