Blood Pressure Display Gauge 300mm hg for Aneroid Sphygmomanometer and Blood Pressure Infusion Bag Manual Blood Pressure Test
Description:
A blood pressure display gauge is the circular dial (manometer) used in manual aneroid sphygmomanometers to visually display blood pressure readings. It typically ranges from 0 to 300 mmHg and is used in conjunction with an inflation bulb, cuff, and air release valve.
Specifications:
| Specification | Detail |
|---|---|
| Measurement Range | 0 to 300 mmHg |
| Gauge Type | Aneroid (mechanical, no mercury) |
| Accuracy | ±3 mmHg (standard ANSI/AAMI SP10) |
| Dial Diameter | 50 mm to 65 mm (commonly 2 – 2.5 inches) |
| Connection Port | Standard 6 mm or Luer slip connector |
| Casing Material | ABS plastic or zinc alloy |
| Lens Cover | Acrylic or polycarbonate (shatter-resistant) |
| Pointer | High-contrast, zero-calibrated needle |
| Back Type | Screw-on, clip-on, or bayonet mount |
| Display | White or black background with bold scale |
| Pressure Unit | mmHg (millimeters of mercury) |
Features:
Blood pressure display Gauge
Use for Manual Blood Pressure Cuff and Blood pressure Infusion Bag
Guage Range: 20-300mmHg OD:50mm
Material:Zinc Alloy case Static plastic-spray wrinkle
Easy operation, accurate data measurement and long service life.



Compatible Devices:
Manual aneroid sphygmomanometers
Desktop or wall-mounted BP units
Palm-style BP monitors
Compatible with most standard cuffs and inflation bulbs
Common Usage Scenarios:
Hospitals & clinics
Home healthcare
Ambulance and emergency kits
Military and field medical setups
Nursing schools for training
Replacement part for old or damaged gauges
Maintenance Tips:
Periodically check needle zero-point with no pressure.
Keep away from extreme heat or shocks to maintain calibration.
Clean lens with soft cloth, avoid alcohol solvents.
If pointer drifts, recalibrate or replace gauge.
Company
Hunan Greatmade Medical Tech LTD is a prefessional manufacturer of medical cable , which is widely use with multi-parameter patient monitor , pulse oximeter, EKG device, blood pressure montior , electrosurgical unit. We have 10 years experience in this field . We have our own factory in Shenzhen China Mainland , and have complete manufacturing device and test device.We also build professional Research and Development team to satisfy various market need . Our superior quality , advantageous price and thoughtful service have wined our national and international customers' permanent support .



FAQ:
Q1: Can this gauge be recalibrated?
Yes. Many gauges come with a rear screw for zero adjustment.
Q2: Is it compatible with all cuffs?
If the tubing has a standard 6 mm connector or Luer fitting, it's compatible.
Q3: What happens if the gauge reads inaccurately?
It may require recalibration or replacement. Frequent in old or dropped gauges.
Q4: What's the lifespan?
With regular use and proper care, typically 3–5 years.
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