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.
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 |
|
|
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
|
