Model 38M Barometric Pressure Transmitter

Model 38M Barometric Pressure Transmitter

4-20 mA, High Accuracy, 850 to 1080 mBar Absolute

Viatran's Model 38M pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 38M measures barometric pressure from 850 to 1080 mBarA with Improved Accuracy (Non Linearity) of ≤±0.06% FSO available.

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Features

High Accuracy

Many Options available

All Stainless Steel construction

Low Pressure Applications

Resources

Print Page

Download Data Sheet

Manual

Performance

Full Scale Pressure Ranges (FSPR)

850 to 1080 mBar Absolute

(Optional ranges can be factory set from 0 to 1080 mBarA with a minimum 240 mBarA span)

Static Error Band

≤±0.21% FSO (Includes BFSL, Hysteresis and Repeatability by RSS)

Nonlinearity (Best Fit Straight Line)

≤±0.1% FSO (≤±0.06% FSO with DN option)

Hysteresis & Repeatability

≤±0.18% FSO each

Full Scale Output (FSO)

16 mA at 21°C (70°F) ≤±0.5% FSO standard

Resolution

Infinite

Long Term Stability

≤±0.9% FSO per 6 months

Compensated Temperature Range

0° to 77° C (32°F to 170°F)

Process Media Temperature Range

-40°C to 121°C (-40°F to 250°F)

Ambient Operating Temperature Range

-40°C to 85°C (-40°F to 185°F)

Storage Temperature Limits

-40°C to 85°C (-40°F to 185°F)

Temperature Effect on Zero

≤±0.01% FSO per .556°C (1°F)

Temperature Effect on Span

≤±0.01% FSO per .556°C (1°F)

Electrical

Supply Voltage

8 to 30 Vdc

Power Supply Regulation

≤±0.01% FSO per volt change over the supply voltage range

Output Signal

4 - 20 mA

Load Resistance

1050 Ohms max at 30 Vdc

Calibration Signal (isolated)

100%±10% of FSPR

Calibration Signal Accuracy

≤±0.1% of the stated value (marked on unit housing)

Circuit Protection

Input polarity may be reversed. Output may be short-circuited indefinitely Over voltage protection to 1000 volts according to EN61000-4-5

Insulation Resistance

<5 nS to case ground

Response Time

<2 mSec to reach 90% of full scale

RFI / EMI Suppression

CE EMC compliant per IEC EN 61326-1 & 61326-2-3 Annex BB, CE marked

Electrical Connection

Bendix / Amphenol PT02E-10-6P, mates PT06E-10-6S (SR)

Pin Outs

Pin A + Power / Signal

Pin B - Power / Signal

Pin C Calibrate

Pin D Calibrate

Pin E No Connection

Pin F No Connection

Shell Ground

Materials of Construction

Wetted Parts

316 stainless steel

Housing

304 SS with an Aluminum alloy, black zinc-cobalt plated electrical connector

Weight

283 g (10 oz)

Mechanical

Pressure Connection

G-1/4 female

Proof Pressure

3100 mBar (45 PSI)

Burst Pressure

5170 mBar (75 PSI)

Pressure Cavity Volume

1.5 mL

Mounting

May be supported by process piping

Identification

Laser etched onto body

Options

BF

(K)PTIH-10-6P

BG

DIN 43650

BL

WK6-32S

BN

(K)PTIH-8-4P

BQ

(K)PT02H-10-6P

BR

CF3102E-14S-6P

ZU

Direct Cable - 79°C (175°F) max temperature

Y( )

Multiple pressure ports available. Consult factory

DC

Extended temperature operation: -40°C to 77°C (-40°F to 170°F)

DG

Improved temperature compensation: ± 0.5% FSO per 55.6°C (100°F) zero and span shift

DH

Special ranging

DK

Special shunt calibration setting

DM

Modified full scale output

DN

Improved Accuracy (Non Linearity) ≤±0.06% FSO

DQ

Cleaning for oxygen service

EA

Special calibration run

NH

Customer specified identification

PW

Scaled with Process Meter

Note:

Application of some available options may affect standard performance. Consult your Viatran representative for details.

VU

1/8" Barbed (Male) Port