Have you ever wondered why some drivers drive on “soft” tires and others on “hard” tires? Or why, after winter hibernation in the garage, the wheels suddenly began to “sag”? It's all about air pressure, which directly affects safety, fuel consumption and tire wear. But how to measure it correctly? The secret lies in a small but irreplaceable device - pressure gauge.

This article will not only tell you, What is the name of the device for measuring tire pressure?, but will also help you understand its types (from mechanical “old-fashioned” ones to smart digital ones), teach you how to avoid typical mistakes when checking and tell you which model to choose in 2026. And also - it will reveal the hidden danger of driving on incorrectly inflated tires, which is kept silent even in driving schools.

1. What is the name of the device for measuring tire pressure?

The official name of the device is tire pressure gauge (or just tire pressure gauge). However, in colloquial speech, drivers often use other terms:

  • 🔧 Pressure gauge - outdated option, but is still found in instructions for Soviet cars.
  • 📏 Tire tester is a marketing name popular among manufacturers of digital devices.
  • 🚗 Pump with pressure gauge - if we are talking about a compressor with a built-in sensor.
  • 📱 TPMS sensor (Tire Pressure Monitoring System) is an electronic pressure monitoring system built into modern cars.

It is important to understand that pressure gauge is a general term for any device that measures the pressure of gases or liquids. But in the context of car tires we are talking exclusively about low pressure gauges (up to 10 bar), while industrial devices can measure hundreds of atmospheres.

📊 What type of pressure gauge are you using?
Mechanical (switch)
Digital (electronic)
Built into the compressor
TPMS system in the car
I don't measure blood pressure

2. Types of tire pressure gauges: which one is better?

The choice of device depends on the budget, frequency of use and type of car. Let's look at the main types with their pros and cons:

Pressure gauge type Accuracy Price (2026) Pros Cons
Mechanical (switch) ±0.1–0.3 bar 300–1500 ₽ ✅ Does not require batteries
✅ Shockproof case
✅ Durability (10+ years)		 ❌ Difficult to read in the dark
❌ Sensitive to moisture (may rust)
Digital (electronic) ±0.05–0.1 bar 800–3500 ₽ ✅ Display backlight
✅ Memory of last measurements
✅ Ability to switch units (bar/psi/kPa)		 ❌ Requires battery replacement
❌ Fragile screen
Rack and pinion (spring) ±0.2–0.5 bar 200–800 ₽ ✅ Compact size
✅ Cheap		 ❌ Low accuracy
❌ Wears out quickly
Built into the compressor ±0.1–0.4 bar 1500–8000 ₽ ✅ 2 in 1: pumping + measurement
✅ Automatic shutdown		 ❌ Bulky
❌ Accuracy depends on the quality of the compressor

For most passenger cars, the optimal choice is mid-range digital pressure gauge (1500–2500 RUR). It combines precision, convenience and durability. Owners of trucks or SUVs should pay attention to mechanical models with reinforced housing, since they are less sensitive to vibrations and temperature changes.

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If you often drive off-road, choose a pressure gauge with a function deflator - it allows you to bleed air from the tires to a specified pressure (for example, for sand or mud).

3. How to measure tire pressure correctly: step-by-step instructions

Even the most accurate device will give incorrect readings if the measurement technology is violated. Follow this algorithm:

Check tire temperature (must be cold - at least 3 hours after driving)

Make sure there is no dirt or ice on the nipple

Remove the cap from the nipple and clean it from dust

Attach the pressure gauge tightly, without distortion-->

Now let's start measuring:

  1. Press the pressure gauge on the nipple until a characteristic hissing sound occurs (this means that air has entered the device).

  2. Hold for 1-2 seconds - the dial pressure gauge will immediately show the value, the digital one may require 3-5 seconds to stabilize.

  3. Compare the reading to the recommended pressure for your vehicle (check the placard on the driver's door or in your manual).

  4. Repeat the measurement on all four wheels (don't forget about the spare tire!).

A critical mistake of many drivers - measure pressure on hot tires. After the ride, the air in the wheel heats up and its pressure increases by 0.2–0.5 bar. If you “inflate” the tires in this condition, after cooling the pressure will drop below normal!

What should I do if the pressure gauge shows different values on one wheel?

If, during repeated measurements on one wheel, the readings differ by more than 0.1 bar, this may indicate:

1. Air leak through a nipple or puncture.

2. Pressure gauge malfunction (check on another wheel).

3. Nipple clogged (needs to be cleaned or replaced).

In such cases, it is recommended to visit a tire shop for diagnostics.

4. TOP 5 tire pressure gauges in 2026: ranking based on price/quality ratio

Based on tests from independent laboratories (including ADAC and Autoreview) and owner reviews, we have compiled a rating of the best models:

  1. Michelin 12266 (digital) - the best in the premium segment. Accuracy ±0.05 bar, backlight, memory for 4 wheels. Price: ~2800 ₽.

  2. Berger BM-01 (mechanical) - German quality at an affordable price (~1200 ₽). Impact-resistant housing, scale up to 7 bar.

  3. Xiaomi Mijia Tire Pressure Monitor — smart pressure gauge with Bluetooth and smartphone application. Price: ~1800 ₽.

  4. Heyner Premium 530 000 — rack and pinion pressure gauge with ergonomic housing. Ideal for trucks. Price: ~900 ₽.

  5. AutoProfi MAN-2 — budget domestic option (~400 ₽). Suitable for occasional use.

When choosing, pay attention to measuring range: for passenger cars 0–7 bar is enough, for trucks you need a device up to 10–12 bar. Also check nipple type - some pressure gauges are not compatible with Schrader nipples (standard for most machines) or Presta (bicycle).

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Skimping on a pressure gauge means taking a risk. Cheap Chinese models (price < 300 ₽) often underestimate readings by 0.3–0.5 bar, which leads to overinflated tires and accelerated tread wear.

5. Dangerous consequences of incorrect tire pressure

According to traffic police statistics, 18% of traffic accidents are fatal in 2023 were due to tire problems, including incorrect pressure. Here's what it threatens:

  • 🔥 Overinflated tires:
    • Reducing the contact patch with the road → deterioration in braking distance by 20–30%.
    • Risk of tire explosion when hitting an obstacle.
    • Increased wear of the central part of the tread.
  • 💨 Underinflated tires:
    • Increased fuel consumption by 3–5% (according to Ministry of Transport UK).
    • Overheating of rubber → cord delamination.
    • Deterioration in handling on wet roads (hydroplaning).
⚠️ Attention: If the pressure in one wheel is 0.5 bar or more below normal, this may be a sign slow puncture (for example, from a self-tapping screw). In this case, the tire must be removed and inspected from the inside - external inspection does not always reveal damage!

Particularly dangerous different tire pressures on the same axle. This causes the car to “pull” to the side when braking and increases the risk of skidding at high speed. For example, a difference of 0.3 bar between the right and left front wheels can shift the trajectory of the car by 1–1.5 meters during emergency braking from 100 km/h.

6. Frequently asked questions about tire pressure gauges and pressure

Let's look at typical misconceptions and nuances that worry drivers:

Can a bicycle pump be used to inflate car tires?

Technically yes, but only if the pump is pressure rated at least 4–5 bar (most bicycle pumps have a limit of 3-3.5 bar). In addition, it will take a very long time to inflate a car tire due to the small volume of the chamber. The best option is compact car compressor powered by cigarette lighter.

How often should you check your tire pressure?

Manufacturers' recommendations:

  • 📅 Summer: Once a month + before long trips.
  • ❄️ Winter: Once every 2 weeks (due to temperature changes, pressure may drop by 0.1–0.2 bar per week).
  • 🚗 Trucks: before each trip (according to the Russian Federation Traffic Regulations, clause 2.3.1).
Is it true that tires with studs should have higher pressure?

No, it's a myth. The pressure in studded tires must be car manufacturer's recommendations, not the tread type. However, it is important to consider that:

  • When low blood pressure studs fly out faster due to increased rubber deformation.
  • When high blood pressure The contact patch is reduced, and the spikes “bite” into the ice worse.
Can you trust the TPMS sensors in your car?

Systems TPMS (built into the car) show relative pressure, not absolute. Their task is to warn about critical fall (usually 25% below normal). For accurate control, you still need a manual pressure gauge. By the way, in the EU since 2014 TPMS is required for all new cars, in Russia - only for commercial vehicles.

What to do if the pressure gauge shows pressure above normal after a trip?

It's normal! As you drive, the tires heat up and the air inside expands. Formula for calculating real (“cold”) pressure: 

P_cold = P_hot / (1 + (T_hot - T_cold) × 0.0036)

Where:

  • T_hot — tire temperature after a trip (measured with an infrared thermometer).
  • T_cold — ambient air temperature.

To simplify: if after a trip the pressure gauge shows 2.5 bar, and the norm for your car 2.2 bar, there is no need to bleed the air - after cooling, the pressure will return to normal.

7. Alternative ways to check pressure (if there is no pressure gauge)

In emergency situations, you can roughly estimate the pressure without a device, but these methods give an error of ±0.5 bar and are only suitable for rough diagnosis:

  • 👆 Visual inspection:
    • If the tire sidewall bends noticeably inward - blood pressure is below normal.
    • If the tread convex (the center of the wheel is higher than the edges) - the pressure is too high.
  • 🚶 Weight test:
    • Press the edge of the tire with your foot. If it bends by more than 1–1.5 cm, the pressure is low.
  • 💦 Wet test:
    • Fill the tire with water. If at the point of contact with the road there remains continuous wet trail - pressure is normal. If the track is intermittent, the wheel is underinflated.
⚠️ Attention: These methods do not replace accurate measurements! For example, tires with hard sidewalls (e.g. RunFlat) may appear normal even with a loss of 0.5 bar of pressure. Always use a pressure gauge as a final check.

8. How to care for the pressure gauge: extending its service life

Even the highest quality device will fail if you do not follow simple rules:

  • 🧼 Cleaning: After use, wipe the nipple tip with an alcohol wipe to remove dirt and moisture.
  • 🔋 Storage:
    • Store digital pressure gauges at 0–30°C (at frost below −10°C the display may be damaged).
    • Mechanical models are afraid of shocks - avoid falls.
  • 🔄 Calibration: Once a year, check the accuracy of the pressure gauge at a service station or using a standard (for example, a professional tire pressure gauge).

If the pressure gauge begins to “lie” (readings fluctuate or are too high), try reset it (for digital models - button Reset or holding the power button for 5 seconds). Sometimes it helps for mechanical devices air purging (press the relief valve and release sharply).

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The average service life of a high-quality pressure gauge is 5–7 years. If your device is older, replace it, even if it “works”: over time, springs and sensors wear out, and the error increases.