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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.

Features

 High Accuracy

 Many Options available

 All Stainless Steel construction

 Low Pressure Applications

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)

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

Wetted Parts:  316 stainless steel

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

Weight:  283 g (10 oz)

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

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.

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

VU:  1/8″ Barbed (Male) Port

Note:

Application of some available options may affect standard performance.