Low Pressure Gage Calibrators

Solicitation / RFP / RFQ

This document, CSS 06-3232, specifies the minimum requirements for a Pressure Gage Calibrator (PGC). The PGC is intended for use by Navy personnel in shore-based laboratories and for on-site, in-place calibration. It will be used to calibrate a wide variety of low pressure transducers, gauges, and indicators using pneumatic media. The PGC may be of commercial design or modified commercial design.

• Performance: Portable pneumatic pressure calibration system with user-friendly controls, manual/automatic operation, control/monitor pressure output in static/dynamic modes, automated leak testing, pressure head correction, automated self-purging liquid trap, capability to calibrate pneumatic and hydraulic pressure indicating Test Instruments (TI's).

• Pressure Media: Clean, dry nitrogen, or clean, filtered, dry ambient air. Separate circuits for clean and potentially contaminated media.

• Pressure Rating: Proof pressure of 1.5x maximum, burst pressure of 4x maximum.

• Excess Pressure Relief: Limits pressure to TI's full scale range + 10%, automatically relieves excess pressure.

• Contamination Prevention: Automated self-purging liquid trap system with separate sets for clean and contaminated media.

• Pressure Transducers: Smart transducer technology, plug-and-play, max 10 data points, max 5 transducers to cover range, seamless operation from vacuum to 100 psig, pressure limiting device, easily removable and cleanable.

• Units of Measure: Capable of displaying psi, kPa, bar, mbar, inHg, mmHg, inH2O, ft-H2O, ft-seaH2O (Absolute, Gauge, Vacuum).

• Range and Accuracy: Absolute (1-100 psia), Gauge (-14 to 100 psig), Vacuum (0 to 28 inHg) with specified uncertainties.

• Resolution: At least a 5½ digit display.

• Accessories: Includes vacuum pump, accessory/transit case (water/hydrocarbon resistant), pressure hoses (min 1 supply, 2 test), and pressure fitting adapters.

• Materials: Restricted materials include mercury, radioactive material, lithium cells, Helium-3, cadmium (except batteries). No organic decay, flammable, explosive, or carcinogenic materials.

• Design: Built-in adjustments, accessible controls, protected connectors, robust internal wiring, capable of 24-hour operation, clear front panel indicators, automatic self-test.

• Digital Interface: IEEE 488.2, Ethernet (LXI), or USB.

• Power: Operates from 120 Vrms, 50/60 Hz, max 1200 watts. Includes excessive current drain protection.

• Enclosure: COTS, max dimensions 10"H x 18"W x 20"D, max weight 45 lbs, mechanically stable, protected cover.

• Transit Case: Provided for protection during shipping/storage, includes accessory stowage and custom foam insert.

• Marking & Identification: Includes manufacturer, model, nomenclature, serial number, IUID matrix.

• Environmental: Operates within specified temperature (-20 to 70°C non-op, 15-30°C op) and humidity (5-70% RH) ranges. Meets shock, fungus resistance, and dust exposure requirements.

• Safety: Meets IEC 61010-1 safety requirements.

• Warranty: Specified on label.

• Calibration: Minimum 12-month interval, 85% in tolerance. Navy calibration procedure required.

• Reliability: 95% statistical certainty (2,500 hrs for handheld, 10,000 hrs for benchtop).

• Maintainability: Fault isolation to component/LRU, preventive maintenance <= 30 min/30 days, accessible for maintenance/repair with standard tools.

• Not specified in this document.

• Not specified in this document.

• Not specified in this document.

• This document is a Calibration Standards Specification (CSS).

• It references numerous Government and Non-Government documents for detailed requirements.

Statement of Work (SOW) / Performance Work Statement (PWS)

To procure a minimum of one (1) and a maximum of one hundred and fifty (150) Low Pressure Gage Calibrators for the Navy fleet Calibration Laboratories via a five (5) year Indefinite Delivery/Indefinite Quantity (IDIQ) contract.

• Procure Low Pressure Gage Calibrators to replace existing obsolete models.

• The calibrators must support pressure modes and ranges including absolute 1-100psia, gauge -14-100psig, and vacuum 0-28 inHg.

• This is intended as an in-lab bench top replacement.

• Calibration certificates with actual data referencing actual data shall be provided for each standard delivered.

• Calibration must be traceable to the National Institute of Standards and Technology (NIST) and result in an Accredited Certificate/Report of Calibration.

• A calibration label indicating the calibration interval shall be placed on each installed standard.

• Contract period: Five (5) years.

• Place of performance: Navy fleet Calibration Laboratories.

• Contractor shall provide operator/service manual(s) including information on safety, theory of operation, troubleshooting, maintenance, calibration, and operational instructions. Manuals can be print or electronic (CD-ROM or DVD).

• Units must have a manufacturer's standard warranty of at least one (1) year after installation and acceptance.

• Contractor shall provide a Repairable Parts list.

• Contractor shall provide a Software/Firmware Version Description.

• Contractor shall provide a step-by-step recorded training manual covering operation, maintenance, and calibration, including a demonstration of calibration. Training manuals shall be electronic media (CD-ROM or DVD).

• Applicable documents include MIL-STD-130N, MIL-PRF-28800G, MIL-PRF-38793, MIL-HDBK-781A, NIST Special Publication 811, and NIST Technical Note 1297.

• Deliverables include Technical Manual, Calibration Certificate and Report, Repairable Parts List, Software Version Description, and Training Manual, all considered Firm Fixed Price (FFP) elements.

Solicitation / RFP / RFQ

This document, CSS 06-3232, is a Calibration Standards Specification (CSS) Procurement Package for a Pressure Gage Calibrator (PGC). It specifies the minimum requirements for a PGC, which may be commercial or modified commercial design. The PGC is intended for use by Navy personnel in shore-based laboratories and for on-site, in-place calibration to calibrate a wide variety of low pressure transducers, gauges, and indicators using pneumatic media.

• Functionality: Portable pneumatic pressure calibration system with user-friendly controls, manual and automatic operation, and capability for automated leak testing, pressure head correction, and self-purging liquid trap.

• Calibration Media: Clean, dry nitrogen, or clean, filtered, dry ambient air. Separate circuits for supply and return media are required, with prevention of cross-contamination.

• Pressure Range & Accuracy: Controls and measures pneumatic pressure in absolute, gauge, and vacuum modes. Specific ranges and accuracies are detailed, with a minimum resolution of 5½ digits.

• Accessories: Includes a vacuum pump, accessory/transit case (impervious to water and hydrocarbon fluids), supply pressure hose (5 ft), two test pressure hoses (10 ft), and various pressure fitting adapters.

• Materials & Construction: Restricted materials (e.g., mercury, radioactive material, lithium cells, helium-3, cadmium) are prohibited for Navy use. Equipment must be designed to prevent deterioration and health hazards. Specific requirements for finish, color, interchangeability, and workmanship are outlined.

• Environmental: Must conform to specified performance requirements under various temperature, humidity, and mechanical shock conditions.

• Safety: Must meet IEC 61010-1 safety requirements, with accessible surfaces at ground potential.

• Calibration & Reliability: Minimum calibration interval of 12 months. Requires a statistical certainty of 95% reliability (2,500 hours for handheld, 10,000 hours for benchtop).

• Not specified in this document.

• Not specified in this document.

• Not specified in this document.

• This document references several other government and non-government standards (e.g., MIL-PRF-28800G, ASME B1.20.1, IEEE 260.1) that bidders must adhere to.

• A Record of Changes indicates an update on 12/18/2025, correcting references and updating requirements to reduce temperature and humidity ranges for in-lab use.