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MODEL 38K BAROMETRIC PRESSURE TRANSMITTER

4-20 mA, High Accuracy, 85 to 108 kPa Absolute

Viatran’s Model 38K pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 38K measures barometric pressure from 85 to 108 kPaA with Improved Accuracy of ≤±0.06% FSO available.

Features

 High Accuracy

 Many Options available

 All Stainless Steel construction

 Low Pressure Applications

Full Scale Pressure Ranges (FSPR):  85 to 108 kPa Absolute  (Optional ranges can be factory set from 0 to 108 kPaA with a minimum 25 kPaA span)

Accuracy (RSS*):  ≤±0.21% FSO

Nonlinearity (Best Fit Straight Line):  ≤±0.1% FSO (≤±0.06% FSO with DN option)

Hysteresis & Repeatability:  ≤±0.13% FSO each

Full Scale Output (FSO):  16 mA ≤±0.5% FSO at 21°C (70°F)

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:  ≤±0.018% FSO per 1°C (1.8°F)

Temperature Effect on Span:  ≤±0.018% FSO per 1°C (1.8°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

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            No Connection

Pin D            No Connection

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:  310 kPa (45 PSI)

Burst Pressure:  517 kPa (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. 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

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.

*RSS:  Root Sum Squared for Non-Linearity, Hysteresis, Repeatability

**FSO:  The algebraic difference between full scale pressure output value and the maximum pressure output value.

***Calibration:  Calibration is performed at ambient temperature of 21°C (70°F). Maximum thermal error was calculated from this datum.

Pressure reference temperature = 0°C (32°F)