Quantcast Industrial Process and Sensor: Honeywell Model 425 Wing Union Pressure Transmitters
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Honeywell Model 425 Wing Union Pressure Transmitters
Honeywell Model 425 Wing Union Pressure Transmitters SKU: AP425
Description and Specs

The Model 425 Wing Union Pressure Transmitters are rugged sensors designed for use with 1502 wing unions in demanding land-based and off-shore applications. The isolated pressure sensing diaphragm minimizes zero shift during hammer-up and eliminates long-term signal drift in the field. The sensor diaphragm and wing union fitting are machined as one part. The Model 425 is constructed as an all-welded assembly using a deep penetration, proprietary, electron beam welding process which also ensures hermetic integrity for all field conditions. These transmitters incorporate special assembly processes to vibration and shock proof the components to ensure performance is maintained during the rigors of fracturing and cementing applications. The 1502 wing union compatible fittings are machined of Inconel® X-750 providing service with highly abrasive and corrosive media. This configuration complies with NACE Standard MR-01-75 (1980) for corrosive service. FEATURES

  • Long life X-750 material
  • Rugged, robust design
  • RFI/EMI protected
  • 0.2 % accuracy
  • Optional on-board temperature sensor
  • Intrinsically safe
  • CE approved

Honeywell Pressure Transducer:Model 425
Characteristic Measure
Pressure ranges 0 psi to 5000 psi; 0 psi to 6000 psi; 0 psi to 10000 psi; 0 psi to 15000 psi; 0 psi to 20000 psi3
Accuracy1 ±0.2%bestfitstraightline
Calibration 5-pointcalibration:0%,50%,and100%offullscale
Output 4 mA to 20 mA, two-wire
Resolution Infinite
Characteristic Measure
Temperature, operating -43°Cto93°C[-45°Fto200°F]
Temperature, compensating -34°Cto82°C[-30°Fto180°F]
Temperature effect, zero 0.018%fullscale/°C[0.01%fullscale/°F]
Temperature effect, span 0.018%reading/°C[0.01%reading/°F]
Temperature effect, sealing HermeticallysealedIP68/NEMA6P
Characteristic Measure
Supply voltage 9 Vdc to 28 Vdc
Insulation resistance >100MOhm@50Vdc
Max. loop resistance 950ohm@28Vdecreasinglinearlyto0ohm@9V
Circuit protection Reverse polarity protection of supply leads
RFI/EMIprotection Noise immunity from 5000 Hz to 1 GHz
Frequencyresponse Customer specified and factory in-stalledfilterforfrequencyresponseofmin. 10 Hz to max. of 2500 Hz
Zero and span adjustment Fieldadjustablebyremovingconnector
Electrical termination (std) Standard electrical termination: 4-pin MS3102 connector designed in stain-less steel specifically for the oil and gasindustry; offers full hermetic sealing anddirect “Glenair” connector compatibility
Characteristic Measure
Media Corrosive and abrasive service, InconelX-750
Overload,safe 150%ratedfullscalepressureorlimitof wing union 1502 fitting
Overload,burst 250%ratedpressureorlimitofwingunion 1502 fitting
Pressure port 1502wingunion,51mm[2in]pipe,male sub end
Wetted parts material Inconel X-750
Weight 2722g[6lb]
Case material 316Lstainlesssteel(labelsareweldedstainless steel with embossed charac-ters)

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