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Product Introduction

Precision instrumentation engineered for medical equipment oxygen pressure gauge applications

The Medical Equipment Oxygen Pressure Gauge is manufactured to the strict cleanliness standards required for oxygen service, where even trace amounts of hydrocarbon-based oil, grease, or particulate contamination inside the gauge can create a fire risk when in contact with pressurized oxygen. Every wetted component is degreased and cleaned to a documented oxygen-service standard before assembly, and the finished gauge is bagged and sealed immediately after final test to prevent recontamination before it reaches the hospital or gas supplier.

Internally, a phosphor bronze or stainless steel Bourdon tube is selected specifically for compatibility with oxygen-enriched atmospheres, and all lubricants used anywhere in the movement are oxygen-service-rated to eliminate the ignition risk associated with standard hydrocarbon-based instrument grease. The dial is clearly marked with the required 'NO OIL' or oxygen-service warning symbol and the gas service is identified both on the dial face and on the gauge case body for unambiguous identification in a busy clinical engineering store.

Assembly and oxygen cleaning take place in a dedicated area of our 100,000-level clean workshop that is kept physically separate from general-purpose gauge production to prevent any cross-contamination risk. Each unit's cleaning batch record, wetted material certification, and final calibration data are logged in our Advanced MES digital tracking system against its serial number, supporting the full documentation trail that hospital biomedical engineering departments require for medical gas system compliance.

The gauge is available configured for medical oxygen cylinder regulators, pipeline zone valve boxes, and central manifold systems, with connection threads matching common medical gas fitting standards. A shatter-resistant window and a robust case are standard, reflecting the gauge's role in a life-critical hospital gas delivery system where reliability is non-negotiable.

Core Advantages

Engineered for reliability where it matters most

2"–2.5"

Available Dial Sizes

±1.6%

Accuracy Class

Oxygen Cleaned

Documented Cleaning Standard

Oxygen-Service Cleaned Internals — All wetted components degreased and cleaned to a documented standard to eliminate fire risk in oxygen service
Oxygen-Rated Lubricants Only — Every internal lubricant point uses oxygen-service-rated grease, never standard hydrocarbon-based lubricant
Clear Gas Service Identification — Dial and case are marked with the required oxygen-service warning symbol and gas identification
Segregated Clean Production Area — Assembled in a dedicated area separate from general gauge production to prevent cross-contamination risk
Full Documentation Trail — Cleaning batch records and material certifications support hospital biomedical engineering compliance requirements
MES Traced Production — Serial-linked quality data from raw material to shipment for full after-sale traceability

Specifications

Standard technical parameters

Dial Size	2.0" (50mm), 2.5" (63mm)
Accuracy Class	Class 1.6 Full Scale (Class 1.0 on request)
Pressure Range	0-16 Bar (Cylinder Content), 0-10 Bar (Pipeline)
Bourdon Tube	Phosphor Bronze, Oxygen-Service Cleaned
Lubrication	Oxygen-Service-Rated Grease Only (No Hydrocarbon Oil)
Process Connection	Medical Gas Standard Thread per Regional Fitting Code
Case Material	Chrome-Plated Brass, Oxygen-Cleaned
Dial Marking	Oxygen Service Warning Symbol, Gas Name Identification
Window Material	Shatter-Resistant Polycarbonate
Cleaning Standard	Documented Oxygen-Service Cleaning Procedure

Technical Summary

Order & production details

MOQ	200 Pieces (Standard Oxygen-Service Models)
Lead Time	25-30 Days (dedicated oxygen cleaning process)
Packaging	Individually sealed anti-contamination bags inside foam-lined boxes
Certifications	ISO9001:2015, CE, RoHS Compliant, Oxygen-Service Cleaning Certificate
Raw Materials	H59 Brass, Phosphor Bronze, Oxygen-Rated Grease
Customization	Pressure range, connection thread standard, dial gas marking
Port of Export	Ningbo / Shanghai
Payment Terms	T/T, L/C at Sight, Western Union

Our Partners

Trusted by leading brands worldwide

Industrial Applications

Where medical equipment oxygen pressure gauge performance is mission-critical

Hospital Oxygen Cylinder Regulators

Fitted to portable and bedside cylinder regulators to display remaining cylinder content pressure

Medical Gas Pipeline Zone Valve Boxes

Monitors pipeline oxygen pressure at ward-level zone valve boxes for clinical engineering checks

Central Medical Gas Manifold Rooms

Displays bank pressure on the central oxygen manifold supplying the hospital's piped gas system

Ambulance & Emergency Vehicle Oxygen Systems

Compact, rugged gauge configuration suited to onboard emergency vehicle oxygen supply monitoring

Home Healthcare Oxygen Concentrator Backup Cylinders

Fitted to backup cylinder regulators used alongside home oxygen concentrator equipment

Technical Highlights & QC

Every unit validated for zero-defect performance

Oxygen Cleaning Verification: Each batch of wetted components is verified against the documented oxygen-service cleaning standard before assembly.
Hydrocarbon Contamination Test: Sample units are tested to confirm no hydrocarbon residue is present on any wetted or near-wetted surface.
Lubricant Compliance Check: Assembly records confirm only oxygen-service-rated lubricant was used at every internal lubrication point.
Dial Marking Verification: Every dial is inspected to confirm the oxygen warning symbol and gas identification are correctly printed and legible.
Full-Scale Linearity Sweep: Each unit is stepped through the full pressure range to verify linearity within the specified accuracy class.
MES Serial Tracking: Cleaning batch number, material certification, and calibration data are stored digitally against each unit's serial number.

Environment & Media Compatibility

Engineered for demanding operating environments

Oxygen-Enriched Atmosphere Service: All wetted materials and lubricants are selected specifically to eliminate ignition risk in oxygen-enriched conditions.
Clinical Environment Cleanliness: Sealed case and shatter-resistant window suit the strict cleanliness expectations of a hospital clinical setting.
Frequent Cylinder Handling: Robust case construction withstands the frequent handling and connection cycles typical of portable cylinder regulator use.
Ambulance Vibration and Shock: Reinforced movement tolerates the vibration and shock loading typical of onboard emergency vehicle installations.
Sterilization-Adjacent Storage: Case materials resist the cleaning and disinfection agents commonly used in hospital equipment storage areas.
Temperature-Controlled Hospital Storage: Movement performance remains stable across the consistent temperature range typical of indoor hospital storage and use.

Pro Tips for Longevity

Installation & maintenance best practices

Never Apply Oil or Grease to Fittings: Never use standard hydrocarbon-based thread lubricant on oxygen gauge connections; use only oxygen-service-rated compounds if any is required.
Open Cylinder Valves Slowly: Always open the cylinder valve slowly to avoid the rapid pressure spike that can cause adiabatic heating and ignition risk in oxygen service.
Keep the Gauge Face Clean: Avoid touching the gauge face or connection with greasy hands or gloves; oxygen-service cleanliness must be maintained through installation.
Verify Gas Service Before Installation: Confirm the gauge dial marking matches the intended gas service before installation; never substitute a general-purpose gauge for oxygen duty.
Inspect Regularly for Contamination: Include the gauge in routine medical gas system inspections to check for any visible contamination or damage to the sealed window.
Replace Rather Than Field-Service: Damaged or contaminated oxygen gauges should be replaced rather than field-serviced, since re-cleaning to the required standard needs factory equipment.

Payment & Logistics

Reliable global supply chain from factory to your site

Flexible Payment Terms: We support T/T (30% deposit, balance before shipment), L/C at sight for large orders, and secure B2B trade assurance platforms for new customers.
Global Freight Options: Sea freight from Ningbo or Shanghai for bulk orders; DHL, FedEx, or UPS air express for urgent sample and small-batch shipments.
Contamination-Sealed Packaging: Each gauge is individually sealed in an anti-contamination bag immediately after final test to preserve oxygen-service cleanliness in transit.
Full Export Documentation: Commercial invoice, packing list, certificate of origin (CO), oxygen-cleaning certificate, and CE declaration of conformity provided with every shipment.
Sample Lead Time: Standard oxygen-service samples available within 10-12 working days given the dedicated cleaning process.
After-Sales Support: Our technical team provides oxygen-cleaning certification documentation to support your hospital procurement and compliance records.

About Us

Zhoushan Jiaerling Meter Co., Ltd. — 20 years of precision manufacturing

Zhoushan Jiaerling Meter Co., Ltd. was established in 2004. It is China Medical Equipment Oxygen Pressure Gauge Manufacturers and Wholesale Medical Equipment Oxygen Pressure Gauge Factory, which is a high-tech enterprise integrating design, research and development, manufacturing, import and export trade.

The company is located in Zhoushan City, Zhejiang Province, covering an area of 15,000 square meters, equipped with a 100,000-level clean workshop, conventional production and assembly workshop, automated production workshop, new laboratory and comprehensive office building.

After more than 20 years of hard work and development, the company has a stable design and development, production team, and advanced production and testing equipment. The company specializes in the production of various types of pressure gauges with complete specifications, and the annual output of pressure gauges reaches 6 million. In order to further develop, the company not only seeks improvement in technology, but also pays more attention to product quality and after-sales service. The company's purpose is to "regard quality as life, survive by reputation, promote development by technology, and serve customers with high-quality brands". The products are sold all over the world and are well received by domestic and foreign customers.

In 2019, the company participated in the compilation of the standard T/CECS10012-2019 "Gas Heating Hot Water Boiler and Water Heater Water Circuit Components" of the China Engineering Construction Standardization Association.

Under the implementation of modern and digital enterprise management, the company has successfully introduced the advanced MES system in 2023, and the order process is fully visualized to track data, ensuring the continuity of production and improving production efficiency.

The company will continue to adhere to the principles of excellence, accuracy, reliability, continuous improvement, and meeting customer needs, hoping to share harmony and prosperity with friends across the country.

Honor

Certifications and proprietary achievements

High-Tech Enterprise

Proprietary

Frequently Asked Questions

Everything you need to know before specifying or ordering

Why does an oxygen gauge need special cleaning?

Trace hydrocarbon oil or grease can ignite when in contact with high-pressure oxygen; documented oxygen-service cleaning removes this contamination risk entirely.

Can a standard pressure gauge be used for oxygen service instead?

No, standard gauges may contain hydrocarbon lubricants or residues and must never be substituted for a dedicated, cleaned oxygen-service gauge.

What does the warning symbol on the dial mean?

It indicates the gauge is oxygen-service rated and warns against any oil or grease contact, per standard medical and industrial gas safety practice.

What connection thread does this gauge use?

Connection threads follow common medical gas fitting standards; specify your regional standard (e.g., BS, DIN, or local hospital gas code) when ordering.

How is oxygen-service cleaning documented?

Each production batch is recorded with a cleaning certificate referencing the cleaning procedure used, retained in our MES system against the unit serial number.

Can this gauge be used for medical air or nitrous oxide instead of oxygen?

The same clean-service construction is suitable for other medical gases; specify the intended gas so the correct dial marking is applied.

What pressure range is used for cylinder content versus pipeline?

Cylinder regulators typically use a 0-16 Bar content scale, while pipeline zone gauges typically use a lower 0-10 Bar scale matched to system design pressure.

Is this gauge suitable for ambulance installation?

Yes, the compact, reinforced case configuration is suitable for onboard emergency vehicle oxygen system monitoring.

How often should medical oxygen gauges be recalibrated?

Given their life-critical role, annual verification against a certified reference is recommended, consistent with typical medical gas system compliance schedules.

What should be done if the gauge shows signs of contamination?

The unit should be taken out of service immediately and replaced with a certified oxygen-clean gauge rather than field-cleaned.

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