0-5 VDC, High Accuracy, 25″ thru 32″ HgA
Viatran’s Model 28H pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 28H measures barometric pressure from 25″ to 32″ HgA 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): 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):
- 5 Vdc ≤±0.5% FSO at 70°F (21°C) – Standard
- 10 Vdc ≤±0.5% FSO at 70°F (21°C) – Optional
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)
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 70°F (21°C). Maximum thermal error was calculated from this datum.
Pressure reference temperature = 32°F (0°C)
Supply Voltage:
- 8 to 30 Vdc at 3.5 mA nominal, 5 mA max
- 12 to 30 Vdc (10 Vdc Output Option)
Power Supply Regulation: ≤±0.01% FSO per volt change over the supply voltage range
Output Signal:
- 0 – 5 Vdc (Standard)
- 0 – 10 Vdc (Optional)
Load Resistance: 100K Ohms minimum
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
Pin B – Power
Pin C + Signal
Pin D – Signal
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: 10 oz (283 g)
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
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 (55.6°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
VU: 1/8″ Barbed (Male) Port
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