Specifications
872B Micro-Baratron®
High Pressure, Ultraclean, Non-Incendive Flow-through Pressure Transducers
More about the Micro-Baratron® 870B
here
More about the Micro-Baratron® 872B
here
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870B & 872B Micro-Baratron®
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Configuration
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Ultraclean, flow-through
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Full Scale Ranges
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1000 Torr to 3000 psia
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Accuracy
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1.0% of Reading
(including non-linearity, hysteresis, and non-repeatability)
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Temperature Coefficients
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Zero
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0.02% of Full Scale/°C, 50 psia to 3000 psia
0.04% of Full Scale/°C, 1000 Torr
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Span
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0.04% of Reading/°C, 50 psia to 3000 psia
0.08% of Reading/°C, 1000 Torr
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Ambient Operating Temperature
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0° to 50°C (32° to 122°F)
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Overpressure Limit
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1.5 x Full Scale for ranges from 1000 Torr to 500 psi
1.2 x Full Scale for ranges from 501 to 3000 psi
(the pressure at which the transducer can be subjected without degradation of performance when returned to a normal operation pressure range)
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Burst Pressure
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10 x Full Scale for ranges from 1000 Torr to 500 psi
5 x Full Scale for ranges from 501 to 3000 psi
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Materials Exposed to Gases
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Incoloy®
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Surface Finish
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< 5µin Ra max.
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Input Power Required
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0 to 10 Volt output
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+13 VDC to +32 VDC @ 10 mA max.
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0 to 5 Volt output
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+12 VDC to +32 VDC (regulated if below 13 VDC) @ 10 mA max.
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2-wire 4-20 mA output
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+13 to +32 VDC excitation
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Output
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0 to 10 VDC
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into > 10K Ω load
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0 to 5 VDC
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into > 10K Ω load
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2-wire 4-20 mA output with +13 to +32 VDC at transducer terminals
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Typically into 0 to 900 W load (depending upon excitation)
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Compliance
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CE compliant to EMC Directive 2004/108/EC2
(for CE compliance the mating connection must be properly grounded)
FM3611-1986 for Class I, Division 2, Groups A, B, C, and D
(4-20 mA output signal only)
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Operating Environment
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Indoor operation standard, optional NEMA4-rated outdoor operation
(4-20 mA output signal only)
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Electrical Connectors
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Male 9-pin or male 15-pin Type "D" at end of 9 inch flying lead,
Bendix® at end of 9 inch flying lead, or 6 foot or 10 foot flying leads
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Fittings
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¼ inch weld stub, 4 VCR® male, 4 VCR® female, surface mount
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Specifications are subject to change without notice.
VCR® is a registered trademark of Swagelok® Company.
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