High performance pressure transducer

Model 28H Barometric Pressure Transmitter

Model 28H Barometric Pressure Transmitter

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.

Inquiry system 

Configure your own product according to your requirements and needs. If you are unsure of the configuration, provide us in the notes the necessary information about the existing sensor or product, even a competitor. We will be happy to help you find an alternative Viatran product. If your request is urgent, let us know. We will do our best to help you resolve this situation to your satisfaction as quickly as possible. If we have all the information, we are able to offer a model with minor differences, which is in stock and you can have another product available the next day.

If you need more information do not hesitate to contact us.

Viatran Configuration Code:


PERFORMANCE

 
Full Scale Pressure Ranges:
25" to 32" HgA
(Optional ranges can be factory set from 0” to 32” HgA with a minimum 7” HgA span)
 
Nonlinearity (Best Fit Straight Line):
≤±0.1% FSO (≤±0.06% FSO with DN option)
 

Accuracy (RSS*):

≤±0.21% FSO** 
 
Repeatability:
≤±0.13% FSO each

Hysteresis:

≤±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
  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 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

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)
Identification  

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

OPTIONS

No Options:

No options 

DIMENSIONS