Druck PDCR250-2967 | Vapor Pressure Sensor -100 to 300 mbar g for Saab TankRadar VPS-5810SP In Stock

Description

At-A-Glance Executive Brief

• Model: PDCR250-2967
• Brand: Druck (Emerson / Rosemount Saab TankRadar)
• Part Type: Piezoresistive vapor pressure sensor for tank gauging systems
• Lifecycle status: Legacy marine tank gauging spare; stocked for brownfield Saab TankRadar / VPS-5810SP tank monitoring retrofits and maintenance
• System compatibility: Saab TankRadar / Rosemount VPS-5810SP TGU tank gauging unit; measures tank vapor space pressure and sends pressure readings to DCS / tank monitoring host
• Weight: ~0.25 kg

Technical Introduction

Failure of PDCR250-2967 results in loss of tank vapor pressure measurement. The tank gauging system cannot calculate accurate liquid mass and volume, triggering bad quality tags and tank measurement alarms. Cargo inventory, overfill protection and custody transfer calculations become unreliable, risking marine tank operation safety and commercial measurement disputes.

Druck PDCR250-2967 is a high-precision intrinsically safe piezoresistive pressure transducer designed for vapor space pressure measurement in marine cargo tanks. This sensor is the core element inside Rosemount Saab VPS-5810SP tank vapor pressure assembly, calibrated for gauge pressure range -100 to +300 mbar g. It converts tank gas pressure into proportional analog voltage output and transmits readings to the tank gauging controller and plant DCS. It carries ATEX / IECEx intrinsic safety certification Ex ia IIC T4 Ga, suitable for hazardous zone onboard tankers and bulk storage terminals. The all-stainless steel wetted construction resists hydrocarbon vapors and condensation. It provides long-term stability for custody transfer inventory monitoring, tank overfill prevention and hydrostatic correction for radar level measurements. Widely used on oil tankers, floating storage units and shore tank farms running Saab TankRadar tank gauging systems. Marine and terminal reliability teams stock PDCR250-2967 to restore tank vapor pressure measurement quickly.

• Best Suited For
  • Rosemount Saab TankRadar VPS-5810SP TGU tank gauging assemblies
  • Hazardous area tank vapor pressure measurement, cargo inventory and custody transfer correction
  • Direct drop-in replacement for existing Druck PDCR250-2967 tank vapor pressure sensor hardware

Core Technical Specifications

Field Engineer’s Tech Notes

• Confirm tank gauging system revision, calibration certificate and VPS-5810SP assembly compatibility before replacement; different PDCR250 suffix variants have different pressure ranges and are not interchangeable.
• Lockout/tagout and gas clearance procedures are mandatory before sensor removal in hazardous tank zones.
• Inspect cable, sealing threads and diaphragm; liquid ingress and diaphragm contamination are common causes of drift and measurement offset.
• After replacement, perform zero and span calibration, verify pressure reading to tank gauging host, check alarm thresholds and confirm DCS tag quality before returning to custody transfer service.
• ESD protection required while handling the sensing element and wiring terminals.
• Recalibrate periodically; long-term vapor exposure can induce zero drift affecting inventory accuracy.

Adaptive QA & Testing Protocol

Each PDCR250-2967 pressure sensor is bench tested on Druck pressure calibration rig. We verify excitation voltage response, zero/span calibration and linearity across full -100 ~ +300 mbar range. Intrinsic safety circuit continuity and cable insulation resistance are checked. Diaphragm visual inspection, thread condition and wiring integrity are examined. Full test reports and calibration certificates are available upon request.

Buyer’s FAQ

Q: What is Druck PDCR250-2967 used for? A: It is a precision intrinsically safe vapor pressure transducer for Saab TankRadar VPS-5810SP tank gauging systems, measuring tank headspace gas pressure for marine cargo inventory and custody transfer correction.

Q: What warranty applies for refurbished and NSFP PDCR250-2967? A: Refurbished and NSFP units carry a 12-month hardware warranty. Coverage excludes ESD damage, diaphragm mechanical damage, improper hazardous area installation, out-of-calibration drift and chemical corrosion.

Q: What lead time should I expect? A: Stocked units ship 3–7 business days. If inventory is depleted, lead time increases while we source surplus Druck PDCR250-2967 sensors.

Q: Is PDCR250-2967 absolute or gauge pressure? A: This variant is gauge pressure, range -100 to +300 mbar g, designed to measure tank vapor gauge pressure.