Wholesale Aneroid Sphygmomanometer Replacement Gauge Factory, Manufacturers

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Product Introduction

Precision instrumentation engineered for aneroid sphygmomanometer replacement gauge applications

The Aneroid Sphygmomanometer Replacement Gauge is designed to restore diagnostic accuracy to manual and mobile blood pressure monitoring equipment whose original dial has drifted out of calibration through years of clinical use, without requiring the clinic to purchase an entirely new cuff, bulb, and case assembly. The gauge movement is dimensioned to match the mounting pattern of common sphygmomanometer housings, allowing a biomedical technician to swap the dial assembly during a routine service visit.

At the core of the instrument is an aneroid capsule — a sealed, corrugated metal chamber that flexes in direct response to cuff pressure — linked through a fine gear train to a pointer calibrated against the internationally recognized mmHg blood pressure scale. Because clinical accuracy standards for blood pressure measurement are considerably tighter than general industrial pressure gauges, every capsule and gear train is selected and matched specifically for the low-hysteresis performance that repeated clinical inflation and deflation cycles demand.

Each replacement movement passes through calibration in our 100,000-level clean workshop, where the pointer is checked against a certified mercury column reference at multiple points across the 0-300 mmHg clinical range before the dial is sealed into its case. Calibration data for every unit is recorded in our Advanced MES digital tracking system against its serial number, supporting the calibration certificate documentation that clinical equipment audits typically require.

The replacement gauge is offered in the standard round dial format used by the majority of wall-mounted, mobile stand, and pocket-style aneroid sphygmomanometers, with a choice of case finishes to match existing clinical equipment. A shatter-resistant window protects the dial through the thousands of inflation cycles a busy clinic gauge experiences over its working life.

Core Advantages

Engineered for reliability where it matters most

0-300mmHg

Clinical Blood Pressure Scale

±3mmHg

Clinical Accuracy Tolerance

Drop-In Fit

Common Housing Mounting Pattern

Restores Diagnostic Accuracy — Replaces a drifted dial without requiring purchase of an entirely new cuff and inflation assembly
Standard mmHg Clinical Scale — Calibrated against the internationally recognized blood pressure measurement scale used in clinical practice
Low-Hysteresis Aneroid Capsule — Selected specifically for stable performance through thousands of repeated inflation and deflation cycles
Drop-In Housing Compatibility — Mounting pattern matches common wall, mobile stand, and pocket-style sphygmomanometer housings
Certified Multi-Point Calibration — Checked against a certified mercury column reference at multiple points across the full clinical range
MES Traced Production — Serial-linked quality data from raw material to shipment for full after-sale traceability

Specifications

Standard technical parameters

Dial Size	56mm, 66mm (standard aneroid case sizes)
Accuracy Tolerance	±3 mmHg per clinical measurement standards
Pressure Range	0-300 mmHg
Sensing Element	Sealed Aneroid Capsule, Corrugated Metal Diaphragm
Movement Type	Fine Gear Train, Low-Hysteresis Design
Connection Fitting	Standard Rubber Tubing Barb, matched to common cuff systems
Case Material	Chrome-Plated or Powder-Coated Metal Housing
Window Material	Shatter-Resistant Polycarbonate
Mounting Pattern	Standard Drop-In Fit for Common Sphygmomanometer Housings
Calibration Standard	Multi-Point Certified Mercury Column Reference

Technical Summary

Order & production details

MOQ	500 Pieces (Standard Dial Size Models)
Lead Time	20-25 Days (multi-point clinical calibration process)
Packaging	Individually boxed with dial face protective film applied
Certifications	ISO9001:2015, CE, RoHS Compliant, Calibration Certificate Available
Raw Materials	Aneroid Capsule Alloy, Precision Gear Train Components, Chrome-Plated Housing
Customization	Case finish, mounting pattern, dial branding for equipment manufacturers
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 aneroid sphygmomanometer replacement gauge performance is mission-critical

Clinic Wall-Mounted Sphygmomanometers

Replacement dial restores accuracy to fixed wall-mount blood pressure units in examination rooms

Mobile Stand Sphygmomanometer Carts

Fits the standard housing used on wheeled mobile blood pressure monitoring stands in wards and clinics

Pocket-Style Manual Units

Compact dial size matches portable pocket sphygmomanometers carried by community and home-visit clinicians

Biomedical Equipment Service Workshops

Stocked as a standard service part for technicians performing routine sphygmomanometer calibration checks

Sphygmomanometer OEM Assembly Lines

Supplied to equipment manufacturers as the calibrated movement for new unit production

Technical Highlights & QC

Every unit validated for zero-defect performance

Mercury Column Cross-Reference: Each unit is checked against a certified mercury column reference at multiple points across the 0-300 mmHg range.
Hysteresis Cycling Test: Movements are cycled through repeated inflation and deflation to confirm hysteresis remains within the clinical tolerance band.
Aneroid Capsule Leak Test: Each sealed capsule is pressure-decay tested to confirm no internal leakage that would cause reading drift over time.
Housing Fit Verification: Sample units are test-fitted into common sphygmomanometer housings to confirm consistent, tool-free replacement installation.
Long-Term Drift Test: Sample units are cycled thousands of times to simulate years of clinical use and confirm long-term calibration stability.
MES Serial Tracking: Calibration data and cycling test results are stored digitally against each unit's serial number.

Environment & Media Compatibility

Engineered for demanding operating environments

Repeated Daily Clinical Use: Aneroid capsule and gear train are selected for durability through the high cycle counts typical of busy clinic examination rooms.
Clinical Environment Cleanliness: Sealed case and shatter-resistant window suit the cleanliness expectations of examination rooms and ward settings.
Mobile Stand Transport Vibration: Movement construction tolerates the light vibration and handling typical of wheeled mobile stand transport between rooms.
Community Health Field Use: Pocket-style units maintain accuracy despite the more variable handling conditions of home-visit and field clinical use.
Sterilization-Adjacent Storage: Case materials resist the cleaning and disinfection agents commonly used around clinical diagnostic equipment.
Stable Indoor Temperature Range: Aneroid capsule calibration remains stable across the consistent indoor temperature range typical of clinic and hospital settings.

Pro Tips for Longevity

Installation & maintenance best practices

Verify Against a Mercury Reference Regularly: Cross-check the replacement dial against a mercury column or certified reference at scheduled intervals per clinical equipment policy.
Confirm Housing Compatibility Before Ordering: Check your existing sphygmomanometer housing's mounting pattern against our dimensional drawing before ordering a replacement.
Handle the Capsule Gently During Fitting: Avoid applying excess force to the aneroid capsule during installation, as this can affect calibration before the unit is even placed into service.
Store Away from Extreme Temperature: Store replacement units and installed equipment away from radiators or direct sun exposure that could affect capsule calibration.
Document Calibration Dates: Log the calibration verification date for each replaced dial to support your clinical equipment audit trail.
Replace Rather Than Adjust in the Field: If a unit reads outside tolerance, replace it rather than attempting to internally adjust a sealed aneroid capsule.

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.
Service-Ready Packaging: Individually boxed units are ready for direct use by field service technicians without additional repackaging.
Full Export Documentation: Commercial invoice, packing list, certificate of origin (CO), calibration certificate, and CE declaration of conformity provided with every shipment.
Sample Lead Time: Standard dial size samples available within 7-10 working days given the multi-point calibration process.
After-Sales Support: Our technical team provides calibration documentation and housing fitment drawings to support your biomedical service department.

About Us

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

Zhoushan Jiaerling Meter Co., Ltd. was established in 2004. It is China Aneroid Sphygmomanometer Replacement Gauge Manufacturers and Wholesale Aneroid Sphygmomanometer Replacement 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

Will this replacement dial fit my existing sphygmomanometer?

It fits the majority of common wall, mobile stand, and pocket-style housings; confirm your specific model's mounting pattern against our dimensional drawing.

How accurate does a clinical blood pressure gauge need to be?

Clinical standards typically require accuracy within ±3 mmHg across the working range; our units are calibrated to meet this tolerance.

Can I replace the dial myself or does it need a biomedical technician?

We recommend a qualified biomedical technician perform the replacement to ensure correct fitting and post-installation calibration verification.

How is the replacement gauge calibrated at the factory?

Each unit is checked against a certified mercury column reference at multiple points across the full 0-300 mmHg range.

What causes an aneroid dial to drift out of calibration?

Repeated inflation cycling over years of use gradually affects the capsule's mechanical response, which is why periodic verification is recommended.

Can this be supplied for OEM sphygmomanometer manufacturing?

Yes, we supply calibrated movements to equipment manufacturers for integration into new unit production.

Is a calibration certificate provided with each unit?

Yes, a calibration certificate referencing our multi-point mercury reference verification is available as an added option.

How long does a replacement dial typically last before recalibration?

With normal clinical use, several years of stable performance is typical before recalibration verification is recommended.

Can the case finish be matched to my existing equipment?

Yes, chrome-plated and powder-coated finish options are available to match common existing clinical equipment styling.

What connection fitting does the gauge use?

A standard rubber tubing barb fitting is used, compatible with common cuff and inflation bulb tubing systems.

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