Digital tire pressure gauge with stopwatch

 204,10 + VAT

High-accuracy digital tire pressure gauge with multi-rider stopwatch integrated for measuring up to 4 riders with split times and lap statistics.

  1. Digital tire pressure gauge HPM 4X
  2. Multi riders stopwatch STW X
With this device, you can now measure and save cold and hot tire pressures and keep under control the lap times of 4 riders at the same time with relative split times and lap statistics. The instrument integrates all the functions of the HPM 4X digital tire pressure gauge and the STW X digital stopwatch.


In stock – Ships within 24 Hours
Product Part Number: HPM4X + STW.

Digital tire pressure gauge with stopwatch integrated

Lap timer MODE
Modalità Manometro digitale pressione gomme
Digital tire pressure gauge mode

Take your tire maintenance to the next level with our digital tire pressure gauge

You no more need to carry two instruments to the pitlane, the HiPreMa 4 gives you two devices in one.

You will not only get the best tire pressure gauge on the market but also a high-end stopwatch that gives you the possibility to time up to 4 drivers simultaneously with 9 individual split times for each driver.


Do you want to switch from PRESSURE GAUGE to LAP TIMER or vice versa?
Just press the MODE button!


All the features of Prisma Electronics tire pressure gauge Hiprema 4 and of the multi riders stopwatch are now integrated into the same device!

tempi intertempi cronometro digitale

You can time simultaneously 4 drivers with 9 split times and lap statistics for each driver

manometro pressione gomme

Easily switch to the digital tire pressure gauge mode and save both cold and hot tire pressures with just a few simple steps

Technical features

 TIMER mode
  • Time and date
  • Outdoor air temperature – in °C or °F
  • Menu languages – ITA – ENG – FRA
  • Automatically backlit display with light sensor
  • Belt clip
  • IP55
Stopwatch mode
  • Mode A – Absolute Split time
  • Mode I – Incremental Split time
Stored data For each session, the following data is stored:
  • Time and date of the session
  • Outdoor air temperature
  • Statistics of the 3 Best Times per lap for each driver and their differences
  • Storage of 30 laps for each driver and their intervals
  • Up to 9 intervals per lap
  • 7 Timer sessions
  • 50 Digital gauge sessions
By activating the PRESSURE SHOT function through the menu, the tool stores the tire pressures when HOT without having to press any buttons. This feature allows you to save the pressures immediately, preventing the tires from cooling and obtaining unrealistic values.
Pressure Accuracy CLASS: 0.1%
  • Maximum error at 5 BAR: +/- 0.005 BAR — (0.072 PSI)
  • Maximum error at 1 BAR: +/- 0.001 BAR — (0.014 PSI)
  • The HPM4X digital gauge does not require calibration. The internal microprocessor calibrates the tool every time it is turned on to ensure correct readings at 100%.
Pressure and Temperature
  • Pressure measurement units in BAR and PSI
  • Temperature measurement units in CELSIUS and FAHRENHEIT
Set the direction of saving data depending on the circuit
  • Clockwise
  • Counterclockwise
  • You can set whether to start from the front or rear wheels
rotazione antioraria salvataggio pressioni pneumatici rotazione anti antioraria per salvataggio pressioni pneumatici
Menù Languages
  • Italiano
  • English
  • Français

Download reference manual

Technical Support

If you want to read all the Questions and Answers, click here ->

It is not necessary to calibrate the instrument. An internal microprocessor procedure checks the accuracy of the sensor each time it is turned on.

For older versions of the digital pressure gauge HiPreMa 1 – HiPreMa 2 – HiPreMa 3
Click here –>

The battery type within the HiPreMa 4 product line is CR2450. The average battery life is about 2 years. The display shows the battery charge status.
Use only good quality batteries : SONY – DURACELL – PANASONIC.

All instruments have the option to be set for either AUTO or MOTO. Through the instrument menu, you can choose the type of vehicle, whether it be AUTO or MOTO, and many other settings.




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