Model 423 Pressure Transmitter
Model 423 is small in size, but packs a high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%.
Model 423 is a versatile high performance test and control sensor that offers a fast response time, noise immunity, and is CE compliant. Viatran takes pride in offering excellent customer support combined with a technically superior product.
PERFORMANCE
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Full Scale Pressure Ranges (FSPR):
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0-3 thru 0-5000 PSI (0-0.2 to 0-345 bar), 0-15 PSIV (0-1.03 barV)* | |
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Nonlinearity (Best Fit Straight Line):
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≤±0.06% FSO standard, optional ±0.04%
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Zero balance |
≤± 0.25% FSO | |
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Repeatability:
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≤±0.06% FSO standard
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Hysteresis: |
≤±0.06% FSO standard | |
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Full Scale Output (FSO): |
16 mA ≤ ± 0.25% FSO | |
| Long Term Stability: | ≤± 0.3% FSO per 6 months | |
| Compensated Temperature Range: | 32°F to 180°F (0°C to 82°C) | |
| Ambient Operating Temperature Range: | -40°F to 185°F (-40°C to 85°C) | |
| Storage Temperature Limits: | -40°F to 250°F (-40°C to 121°C) | |
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Maximum Fluid Temperature |
250°F (121°C) | |
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Combined Thermal Effect (zero & span) |
≤±2% FSO per 100°F typical | |
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* Modified specification for vacuum and compound ranges: |
Compensated Temperature Range 32°F to 170°F (0°C to 77°C) |
ELECTRICAL
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Supply Voltage:
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8 to 30 Vdc
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Power Supply Regulation:
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<±0.05% FSO per Volt Output Signal
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Output Signal:
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4 - 20 mA
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Circuit Protection: |
Short circuit and reverse polarity protected | |
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Voltage Spike Protection |
Withstand 1000 volt spike per EN6100-4-5 | |
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RFI/EMI Suppression |
CE marked, EN 61326 | |
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Insulation Resistance |
<5nS conductance | |
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Response Time |
<1.5 millisecond | |
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Electrical Connections |
6-pin bayonet (standard) |
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Pin Outs |
Pin A +Power / Signal Pin B -Power / Signal Pin C No Connection Pin D No Connection Pin E AC ground (standard) Pin F No connection |
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Connector Options |
BP Micro change (M12) BN 4-pin bayonet ZU Cable gland |
MATERIALS OF CONSTRUCTION
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Wetted Parts
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316L stainless steel
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Housing
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316 stainless steel
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Weight
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4 oz nominal
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| Identification | Laser etched onto body |
MECHANICAL
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Pressure Connection:
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1/8" NPT female
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Proof Pressure:
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3x range or 1,200 PSI (whichever is less) for 0-3 thru 0-500 PSI
3x range or 9,000 PSI (whichever is less) for 0-1,000 thru 5,000 PSI
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Burst Pressure:
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5x range or 2,400 PSI (whichever is less) for 0-3 thru 0-500 PSI
5x range or 10,000 PSI (whichever is less) for 0-1,000 thru 0-5,000 PSI |
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Pressure Cavity Volume: |
1.5 mL | |
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Mounting: |
May be supported by process piping |
