Mercury BP Machine: Price, Overview, and How to Check BP With It

Key Takeaways:

1. Significance of Mercury BP Machines
: Mercury BP machines are essential for accurate blood pressure monitoring at home, providing reliable readings in a relaxed environment.

2. Understanding Mercury BP Machines
: Mercury sphygmomanometers consist of a mercury reservoir, cuff, and pressure gauge, offering superior accuracy in detecting blood pressure changes.

3. Choosing the Right BP Machine
: Consider your specific needs, cuff size, ease of use, and durability when selecting a mercury BP machine for accurate monitoring.

4. Best Mercury BP Machines
: Diamond BPMR120 Deluxe, ELKO Elkometer Deluxe, and Dr. Care Deluxe are top choices known for precision, durability, and user-friendliness, catering to various needs and budgets.


Sustaining healthy blood pressure is vital for your well-being. In this blog, we focus on the significance of mercury BP machines for accurate blood pressure readings.

More people are monitoring their blood pressure at home for convenience and early detection. This trend ensures a relaxed environment and timely identification of any fluctuations. In this blog, you'll gain a deep understanding of mercury BP machines and how to use them accurately.

Understanding Your Mercury Blood Pressure Measuring Machine

Your mercury BP machine is the real deal when monitoring your blood pressure. Here's how it works: the cuff wraps around your arm, and the mercury-filled gauge gives precise readings as your blood pressure fluctuates.

Mercury sphygmomanometers have a solid reputation. They've been around because they are a good tool for monitoring your BP accurately. The setup is simple: a glass tube filled with mercury, a calibrated scale, and a cuff. This classic combo ensures you get reliable readings every time.

Why choose mercury over digital options? For accuracy. Mercury BP machines detect small BP changes better than digital devices, offering more detailed information.

Sphygmomanometer Parts: A Brief Overview

Let's understand the details of the mercury BP machine. It has the following parts:

1. Mercury Reservoir

  • Stores mercury, ensuring steady and precise movement of the gauge.
  • Facilitates smooth measurement of blood pressure, allowing accurate readings.

2. Cuff

  • Wraps around your arm, creating the necessary pressure to stop and release blood flow.
  • Essential for briefly cutting off blood flow, enabling the gauge to detect blood pressure variations.

3. Pressure Gauge

  • Displays mercury levels, indicating systolic and diastolic blood pressure values.
  • Acts as the messenger, providing numerical readings based on the mercury column's height.

If any component is off, your readings could be inaccurate. So, make sure your mercury reservoir is intact, the cuff fits snugly, and the pressure gauge is clear. A well-maintained mercury BP machine is your ticket to reliable blood pressure measurements. Pay attention to the details; they make all the difference in accurately understanding your heart's health.

How to Choose the Right BP Machine?

A good mercury BP machine is crucial for accurate and hassle-free blood pressure monitoring. Here's a guide tailored just for you:

1. Consider Your Needs

  • Determine your specific requirements, whether it's for personal home use or professional medical settings.
  • Evaluate your budget constraints while ensuring you don't compromise on quality.

2. Cuff Size Matters

  • Opt for a machine with an adjustable cuff or various sizes to ensure a snug fit around your arm.
  • A properly sized cuff guarantees accurate readings, preventing errors because of improper fit.

3. Ease of Use and Readability

  • Choose a machine with clear markings and easy-to-read mercury levels on the gauge.
  • Look for user-friendly features such as easy inflation and deflation mechanisms for a hassle-free experience.

4. Durability and Maintenance

  • Invest in a durable device made from high-quality materials to ensure longevity.
  • Consider maintenance aspects; select a machine that is easy to clean and requires minimal upkeep.

Mercury BP Machines vs. Digital Alternatives

Advantages of Mercury BP Machines

  • Superior accuracy in detecting subtle blood pressure changes.
  • Reliable and time-tested technology trusted by healthcare professionals.
  • Analog nature allows for a detailed assessment, providing a comprehensive understanding of your blood pressure.

Advantages of Digital Alternatives

  • Convenient for quick readings but may lack the precision of mercury-based devices.
  • Electronic components might require frequent calibration. External factors can affect them, potentially leading to inaccurate readings.

You can make an educated judgment by understanding your specific needs. Remember, the right choice ensures your blood pressure readings are not just numbers but accurate reflections of your heart health.

How to Check BP at Home: BP Apparatus Manual

Measuring your blood pressure at home with a mercury BP machine is simple when you follow these steps:

1. Prepare Yourself
  • Sit in a quiet, relaxed environment for accurate readings.
  • Rest your arm on a flat surface, like a table, with your palm facing upward. Your arm should be at heart level.
2. Cuff Placement
  • Set the cuff around your bare upper arm, about one inch above your elbow.
  • Ensure it fits snugly but not too tight; you should be able to slide two fingertips under the cuff.
3. Inflation
  • Use the pump to inflate the cuff. Inflate it until you no longer hear your heartbeat through the stethoscope. This is your systolic pressure.
4. Deflation
  • Gradually release the air using the valve while listening through the stethoscope.
  • Note the point where you first hear your heartbeat; this is your systolic pressure. Continue deflating until the sound disappears; this is your diastolic pressure.
5. Reading Interpretation
  • Your blood pressure is recorded as systolic over diastolic, e.g., 120/80 mm Hg.
  • Systolic pressure represents the force when your heart beats and diastolic pressure is when your heart rests between beats.

Common Mistakes and How to Avoid Them

  • High Arm Position: Avoid measuring with your arm above heart level; this can result in lower readings.
  • Incorrect Cuff Size: Ensure the cuff fits your arm; using the wrong size leads to inaccurate readings.
  • Talking or Moving: Stay still and quiet during measurement; talking or moving can affect your blood pressure.

Best Sphygmomanometer: Price and Brands

1. Diamond BPMR120 Deluxe Mercurial BP Instrument

Why Choose It?

  1. Precision and Durability: It has a 0 to 300 mm Hg scale, fine numbering, and durable contrast paint. This instrument ensures precise readings and long-term reliability.
  2. Permanent Graduation Marking: Fused-type graduation marking on the glass tube maintains clarity over time, ensuring consistent accuracy.
  3. Corrosion Prevention: Surface plating on exposed metal parts prevents corrosion, making it resilient in varied climates.
  4. Optimal Damping Effect: Swift and easy measurements, thanks to its optimum damping effect.
  5. Versatile and Widely Accepted: Widely accepted in various settings, it's known for adaptability and precision.
  6. Specialized Cuff Design: With extra Velcro fastening, the cuff ensures a secure grip for accurate readings. Suitable for all arm girths.

For precise, durable, and versatile blood pressure monitoring, the Diamond BPMR120 Deluxe is an excellent choice, whether for general home use or specialized applications in clinics.

Purchasing link

2. ELKO Elkometer Deluxe Mercury Sphygmomanometer/Blood Pressure Monitor

Why Choose It?

  1. Top-Grade Quality: Crafted from first-grade virgin material, the ELKO Elkometer ensures quality and durability. The purity of mercury is at an exceptional 99.99 per cent.
  2. Precision and Visibility: The 0 to 300 mm Hg scale, fine numbering, and background contrast paint guarantee clear visibility. Permanent graduation marking on the glass tube ensures accuracy over time.
  3. Control Valve for Accuracy: A special control valve ensures a perfect pressure drop, contributing to accurate blood pressure readings.
  4. Excellent Grip: Equipped with the best quality cuff, it provides an excellent grip, ensuring accurate measurements with each use.
  5. Corrosion Resistance: Surface plating on all exposed metal parts prevents corrosion. At the same time, classic epoxy powder coating on the body withstands various climates, enhancing the instrument's longevity.
  6. Pioneer in Mercurial Blood Pressure Apparatus: ELKO is the first manufacturer (since 1965) of mercurial blood pressure apparatus in India. They assure a legacy of quality and reliability.

The ELKO Elkometer Deluxe stands out as a reliable ally for maintaining healthy blood pressure.

Purchasing Link

3. Dr. Care Deluxe Mercury Sphygmomanometer

Why Choose It?

  1. Precision with Mercury: This sphygmomanometer uses a mercury-filled column to ensure precise blood pressure measurements.
  2. Arm Cuff Design for Reliability: It ensures proper positioning, contributing to the reliability of readings.
  3. Clear and Readable Display: Marked with both systolic and diastolic values, it enables accurate monitoring of blood pressure levels.
  4. Sturdy and Durable Build: The Dr. Care Deluxe withstands repeated use in clinical settings or for personal monitoring. Its construction ensures longevity and reliability over time.
  5. Adjustable Cuff Size for Comfort: The arm cuff accommodates a range of arm sizes. This feature ensures a comfortable fit for various individuals, contributing to accurate blood pressure readings.
  6. User-Friendly Operation: With clear instructions and an intuitive design, this sphygmomanometer is easy to use for healthcare professionals and individuals alike.
  7. Budget Friendly: If you have a lower budget for a BP machine. Dr. Care may be a good option.

For those seeking reliable, precise, and user-friendly blood pressure monitoring, the Dr. Care Deluxe Mercury Sphygmomanometer stands out.

Purchasing link

Also read: 19 Tips on How to Control High BP at Home


You've equipped yourself with the essentials of mercury BP machines. Now, you can confidently and accurately check your blood pressure at home. Keep monitoring regularly, and stay committed to your well-being.

Your heart health journey is in your hands, and each reading brings you closer to a healthier future. Here's to a healthier heart and a brighter future.

Want a tracker to keep track of your daily BP? Then, download the Aware Health Rewards App. The Aware app not only helps you track your blood pressure, but also provides you insights on what your numbers mean.

Also read: How To Check BP At Home: An Guide for Effortless BP Monitoring

About the author:

Lucky Mehtani
, B. Pharm, merges his healthcare expertise with a passion for writing to enhance India's heart health. Through insightful blogs, he provides well-researched information on managing Diabetes, Hypertension, and High Cholesterol, aiming to prevent heart attacks and strokes.
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