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Barometric Pressure Transmitter Model 38H

4-20 mA, High Accuracy, 25" thru 32" HgA

Product Thumbnail

Viatran's Model 38H pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 38H measures barometric pressure from 25" to 32" HgA with Improved Accuracy of ≤±0.06% FSO available.


Request a Quote

Features

High Accuracy
Many Options available
All Stainless Steel construction
Low Pressure Applications


Performance
Full Scale Pressure Ranges (FSPR)
25" to 32" HgA
(Optional ranges can be factory set from 0” to 32” HgA with a minimum 7” HgA 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 70°F (21°C)
Resolution
Infinite
Long Term Stability
≤±0.5% FSO per 6 months (typical)
Compensated Temperature Range
32°F to 170°F (0° to 77° C)
Process Media Temperature Range
-40°F to 250°F (-40°C to 121°C)
Ambient Operating Temperature Range
-40°F to 185°F (-40°C to 85°C)
Storage Temperature Limits
-40°F to 185°F (-40°C to 85°C)
Temperature Effect on Zero
≤±0.01% FSO per 1°F (.556°C)
Temperature Effect on Span
≤±0.01% FSO per 1°F (.556°C)
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
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
Materials of Construction
Wetted Parts
316 stainless steel
Housing
304 SS with an Aluminum alloy, black zinc-cobalt plated electrical connector
Weight
10 oz (283 g)
Mechanical
Pressure Connection
1/4" - 18 NPT female
Proof Pressure
45 PSI (92 HgA)
Burst Pressure
75 PSI (153 HgA)
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: 175°F (79°C) max temperature
Y( )
Multiple pressure ports available. Consult factory
DC
Extended temperature operation: -40°F to 170°F (-40°C to 77°C)]
DG
Improved temperature compensation ( ± 0.5% FSO per 100°F (55.5°C) 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
Note:
Application of some available options may affect standard performance. Consult your Viatran representative for details.
VU
1/8" Barbed (Male) Port
Notes
Note:
Application of some available options may affect standard performance. Consult Viatran for details.
*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 70°F (21°C). Maximum thermal error was calculated from this datum.
Pressure reference temperature = 32°F (0°C)
Dimensional Data

Barometric Pressure Transmitter Model 38H

Product Thumbnail

Barometric Pressure Transmitter Model 38H

4-20 mA, High Accuracy, 25" thru 32" HgA

Viatran's Model 38H pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 38H measures barometric pressure from 25" to 32" HgA with Improved Accuracy of ≤±0.06% FSO available.


Request a Quote

Performance
Full Scale Pressure Ranges (FSPR)
25" to 32" HgA
(Optional ranges can be factory set from 0” to 32” HgA with a minimum 7” HgA 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 70°F (21°C)
Resolution
Infinite
Long Term Stability
≤±0.5% FSO per 6 months (typical)
Compensated Temperature Range
32°F to 170°F (0° to 77° C)
Process Media Temperature Range
-40°F to 250°F (-40°C to 121°C)
Ambient Operating Temperature Range
-40°F to 185°F (-40°C to 85°C)
Storage Temperature Limits
-40°F to 185°F (-40°C to 85°C)
Temperature Effect on Zero
≤±0.01% FSO per 1°F (.556°C)
Temperature Effect on Span
≤±0.01% FSO per 1°F (.556°C)

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
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

Barometric Pressure Transmitter Model 38H

High Accuracy
Many Options available
All Stainless Steel construction
Low Pressure Applications

Materials of Construction
Wetted Parts
316 stainless steel
Housing
304 SS with an Aluminum alloy, black zinc-cobalt plated electrical connector
Weight
10 oz (283 g)

Mechanical
Pressure Connection
1/4" - 18 NPT female
Proof Pressure
45 PSI (92 HgA)
Burst Pressure
75 PSI (153 HgA)
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: 175°F (79°C) max temperature
Y( )
Multiple pressure ports available. Consult factory
DC
Extended temperature operation: -40°F to 170°F (-40°C to 77°C)]
DG
Improved temperature compensation ( ± 0.5% FSO per 100°F (55.5°C) 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
Note:
Application of some available options may affect standard performance. Consult your Viatran representative for details.
VU
1/8" Barbed (Male) Port

Notes
Note:
Application of some available options may affect standard performance. Consult Viatran for details.
*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 70°F (21°C). Maximum thermal error was calculated from this datum.
Pressure reference temperature = 32°F (0°C)

Barometric Pressure Transmitter Model 38H

Barometric Pressure Transmitter Model 38H

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