techstage-|-guide-to-air-pressure-monitoring-devices-for-motorcycles-&-co

TechStage | Guide to air pressure monitoring devices for motorcycles & co

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by Ingo // 14. 12. 2020 16: 32 Clock

The correct tire pressure plays an important role. It’s easy to check at home. TechStage shows cheap and expensive devices for this.

When motorcycle manufacturers develop new models, they use a complex process to determine the optimal tire pressure. The recommended values ​​for the front and rear tires should be strictly adhered to, this is the only way to keep the motorcycle manageable, regardless of whether it is accelerating, braking, banking, or at top speed. The contact area of ​​a motorcycle tire on the road is just the size of a hen’s egg, it has to absorb enormous forces and interlock reliably with the asphalt surface – but it can only do that with the correct tire inflation pressure. If you drive with the wrong air pressure, you endanger yourself and others, because in extreme cases you can fall. But even just a little too low tire pressure leads to higher fuel consumption and causes the rubber to wear out faster. In addition, handling deteriorates and the braking distance becomes longer.

An air pressure check should take place at least every two weeks, preferably even before each trip. Measurements are generally taken when the tire is cold, because the air pressure increases in the warm tire. Air pressure gauges at petrol stations are often imprecise and therefore only help to a limited extent. It is much better to either have a good test device at home or permanent electronic monitoring on the motorcycle. The advantage of a separate test device is that it can be used for all other vehicles with an auto valve. In addition to the bike, the car, caravan or mountain bike always have the correct air pressure.

The article appears in our motorcycle theme world. There we already presented communication devices for bikes (advice), motorcycle sat navs like the Garmin Zumo XT (test report) or cheaper alternatives like the TomTom Rider 550 (Review) tested. We also provide ten gift tips for motorcyclists (articles).

Oxford Air Gauge The Oxford Air Gauge works in his black plastic housing is not exactly high quality, but delivers good results. It determines the air pressure with only minimal deviations and that is ultimately the main criterion. The right angle of the connection is also pleasant, so that you can easily reach the valve between the spokes of the rim. However, the Oxford Air Gauge gets stuck on some wheels when you pull it off the valve, so that some air escapes and you have to pump air again if in doubt. The measuring range extends to 10, 0 bar and can be switched to PSI. The digital display is unfortunately not illuminated, but it is easy to read in normal lighting conditions. When the measurement is finished, it switches itself off after a few seconds, so that the battery is conserved.

The Oxford Air Gauge is a solid and inexpensive air pressure gauge. Not for upscale professional demands, but proof that inexpensive devices can deliver good results.

SKS air pressure meter Also in a plastic case, but purely optically more valuable than the Oxford Air Gauge is the air pressure meter from SKS Germany. It lies well in the hand and only weighs 54 grams. The head can be rotated, which makes it much easier to put on the valve and it offers inputs for both motorcycle / car valves and for Presta valves on bicycles. The measurement is accurate, rarely the deviation is more than 0, 05 bar. The background of the digital display is illuminated and makes it easier to read. A practical button is used to deflate the air if too much has been pumped into the tire, the display is in real time. The unit of measurement goes up to 10, 0 bar and can be switched to PSI. The battery charge level is shown as a symbol and the digital display switches itself off after a while.

The SKS air pressure meter is comparatively cheap, offers good equipment and sufficiently accurate measurement results.

Topeak Smart Gauge D2 The Topeak Smart Gauge D2 is a real hand flatterer. The compact device impresses with its good equipment. The head is over 180 degrees, so that it can easily reach the valve between the spokes. The user switches between the valve sizes (motorcycle or bicycle) with a slide, and another button is used to deflate. The Smart Gauge D2 measures very precisely, and the large display is easy to read. It can be up to 17, measure 0 bar , even if this pressure would blow every motorcycle tire. The buttons for operating the menu are a bit small, but still acceptable to use. The pressure can optionally be shown in bar, PSI and in kg / cm2. An acoustic signal sounds when the measurement is completed.

The Topeak Smart Gauge D2 knows how to please with precise measurements and good features. Thanks to its compact dimensions of 07, 2 x 4.5 x 3.5 millimeters, it fits in almost every jacket pocket and can be carried on the tour.

Autmor TPMS tire pressure monitoring system The Autmor TPMS tire pressure control system differs from the other measuring devices shown so far. It consists of valve caps that are screwed on and then permanently transmit tire pressure and temperature to the receiver. The temperature measurement turns out to be inaccurate and usually shows too little. To do this, the pressure readings are precisely transmitted to the illuminated display. This can be attached to the handlebars or in the cockpit. It permanently shows the data from the front and rear tires in real time. The tire pressure monitoring system switches on as soon as the tire rotates, but it takes a few seconds before the current value is displayed. If the pressure or temperature deviates from the preselected value, the control system triggers an alarm. The units of measurement can be switched between degrees Celsius and Fahrenheit as well as bar and PSI. The housing of the display is waterproof and is either glued or screwed to the motorcycle, but the supposedly theft-proof screw turns out to be a normal lock nut. The manufacturer promises a battery life of at least two years.

The Autmor TPMS tire pressure control system shows the air pressure of both tires while driving. The temperature information is more a guide than an exact value.

Michelin tire pressure control system Tire giant Michelin delivers an alternative to the automobile -System. The tire pressure control system for motorcycles transmits the data to the round display, which is located with a bracket on the handlebar, in the cockpit or can be attached to the cladding. Unfortunately, the magnet and adhesive tape are not particularly strong, so the bracket should be as horizontal as possible. The information for both tires in the easy-to-read display is precise with only minor deviations. The Michelin system works with the so-called SAS system, which automatically performs the calibration and radio connection between the sensor and the display. Unfortunately, the small batteries in the pressure sensors cannot be replaced, but they are supposed to last for at least three years. The individual sensors can be bought later, they cost around 24 Euro the Piece.

The Michelin tire pressure monitoring system is a very practical system that gives the driver permanent security about the air pressure in the tires.

Bosch Easy Pump battery Who not only measure, but if necessary immediately still want to inflate, you should take a look at the Bosch Easy Pump battery. The device not only measures the pressure in the tire very accurately, it is also a compressor. Thanks to an integrated battery, it can hold up to 10, pump 3 bar into the tire. The flexible hose is 20 Centimeters long and can be easily connect to the motorcycle valve. The user can preselect the desired pressure in the digital and illuminated display and the Easy Pump battery switches off automatically when the pressure is reached. The battery is charged practically via USB-C. In addition, there are various adapters for bicycle, ball and air mattress valves in the handle. Due to its length of 215 millimeters and its weight of 423 Gram, it is rather unsuitable for motorcycle tours, but performs very well in the home garage, in the trunk or in the caravan.

With Easy Pump, Bosch offers a fascinating little battery pump with an accurate pressure display. If you want to make your life much easier, you can hardly avoid the Easy Pump.

Osram Tyreinflate 450 An alternative to the Bosch device comes from Osram. The Osram Tyreinflate 450 can be accessed via a 12 – Operate the volt charging socket and inflate tires in a short time. The digital display not only shows the current tire pressure, but the desired value can also be preselected there. A bar display provides information about the increasing pressure in the tire. The Osram Tyreinflate 450 has an automatic stop function as soon as the value is reached and can pump up to 5.5 bar pressure. The 65 Centimeter long, flexible hose reaches every motorcycle valve that 330 Centimeter long power cable is neatly wound up in the housing. Valve adapters for motorcycle / car, bicycle and balls are included.

Osram offers here with the Tyreinflate 423 a compact and practical device to check the tire pressure and at the push of a button to correct.

Conclusion Motorcyclists know how vital the correct air pressure is. It helps if you don’t have to rely on the devices at petrol stations, but have one that you can use and that always shows the same information. The wireless measuring systems are also a practical aid, as they automatically display the important information in the cockpit.

If you have more space, you should also use the Bosch Easy Pump or the Osram Tyreinflate 450 invest. Then you not only have a precise check of the pressure, but can also inflate on site if necessary. The fact that the devices also inflate bicycles, balls or air mattresses is a nice bonus that makes them perfect for a trip to the lake or as a companion in the caravan. We show alternatives to the two pumps in the article Mobile electric air pumps from Xiaomi & Co. in comparison.

Permalink: https://techstage.de/-3953980

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garmin-venu-sq-music:-the-elegant-smartwatch-for-sports

Garmin Venu SQ Music: the elegant smartwatch for sports

Remind Apple Watch for exterior design but under the shell they have the DNA of Garmin products: Venu SQ and Venu SQ Music are the new smartwatches of the American company that, in the face of very interesting prices, allow the passionate sportsman to keep track of their outdoor activities by monitoring during the day your state of health

by Paolo Corsini published on in the Wearables channel

Garmin

Venu SQq and Venu SQ Music: the differences with Venu standard

Among the smartwatches offered for sale by the various manufacturers there are significant differences in terms of technical characteristics and approach to the market. If some of the features accumulate the great majority of the proposals on sale, such as the integration of GPS and optical heart rate sensor, for others it is the decision of the specific manufacturer to lean in one direction or the other. Some models are more oriented to being tools for sports activities, while others still the optimization is aimed at notifications and the use of APPs directly from the wrist. Finally, we find some proposals that straddle these two categories, wanting to be valid tools for the sportsman but at the same time not giving up the practicality of a touch screen.

This is the case of Garmin’s Venu SQ range, the most recent proposal of the American company in the smartwatch sector focused on a 1.3-inch diagonal touch screen and which does not give up the typical DNA of Garmin products designed for sport.



Venu SQ on the left; Venu right

With an official price list of 199 €, figure that rises to 249 € for the Venu SQ Music version, this new smartwatch is positioned in the mid-range segment of the market alongside the first Venu smartwatch which remains on the official list at the figure of 349 € (but on the market it is offered at figures close to 300 €). The two proposals are easily distinguishable: the newcomer uses a rectangular-shaped screen while the standard Venu has a circular screen.

In addition to the shape of the screen and the lower cost, there are other elements that characterize and differentiate Venu from Venu SQ:

  • Venu’s screen is AMOLED type; in Venu SQ we have switched to an LCD screen that is always in color; Venu’s screen diameter is 1.2 inches; for Venu SQ the screen diagonal is 1.3 inches;
  • Garmin declares a range with active GPS of 14 hours for Venu SQ, value that increases up to 16 hours for Venu;
  • the standby time remains unchanged at 6 days for both models;
  • both Venu and Venu SQ maintain a screen with touch functionality and two buttons on the right side;
  • Venu integrates a barometric altimeter, not present in Venu SQ instead of this reason cannot keep track of the stairs walked per day. The altimetry of outdoor training sessions is indicated using the GPS track altitudes;
  • both integrate optical heartbeat sensor with PulseOX, for detecting the level of oxygen saturation in the blood;
  • both are equipped with a GPS sensor with GLONASS and Galileo support;
  • Venu and Venu SQ Music are equipped with a memory of about 3.4GB to store music tracks, also integrating support for streaming services such as Spotify and Deezer ;
  • both support contactless payments via Garmin Pay service;
  • Venu and Venu SQ are able to monitor the progress of sleep, the number of breaths per minute and in general daily activities in motion which are carried out;
  • allow connection to external sensors ( as a heart rate monitor) via standard ANT + and Bluetooth Smart;
  • allow you to load preset training sessions from Garmin Connect.

The front of Venu SQ closely resembles that of Apple Watch: it is a very simple design, in which the rectangular screen with a 1.3-inch diagonal obviously stands out. Garmin has also integrated two side buttons, useful for navigating the various menu options but above all to safely manage the execution of outdoor or indoor sports activities without having to interact with the touch screen.

In the back stands the Garmin Elevate optical sensor, which is also able to detect the level of oxygen saturation in the blood. The connector for the charging cable is the standard one adopted by Garmin in its most recent smartwatches, including Venu: the supplied cable ends at the other end with a traditional USB Type-A connector. The smartwatch is very compact, with a limited thickness and a weight less than 40 grams. The supplied strap can be easily removed and replaced with others by the same step as 21 mm.

Venu SQ is set by default with the screen automatically off after a few seconds, so as to preserve the batteries; It is possible to configure the always on mode from the menu which obviously has an impact on the operating autonomy.

Many disciplines to monitor, with summary widgets

From the settings menu it is possible to select which sports activities can be activated from the menu, as well as configure the widgets that the main screen will propose to the user. The approach is the mirror image of what is implemented in the other Garmin sports watches, albeit with differences in graphic terms linked to the rectangular shape of the screen against the circular one that characterizes most of the models of the American company. The sporting activities available are decidedly numerous and meet the needs of all the passionate users:

  • race
  • Tapis Roulant
  • indoor track
  • bike
  • indoor bike
  • indoor walking
  • pool
  • golf
  • sci
  • snowboard
  • cross country skiing
  • SUP
  • weights
  • cardio
  • yoga
  • pilates
  • breathing exercises
  • elliptical
  • step
  • rowing
  • rowing machine

The configurable widgets are just as complete:

  • my day
  • health statistics
  • chronology
  • heart rate
  • body battery
  • hydration
  • calendar
  • weather
  • notifications
  • music

Interesting presence of the body battery widget, a feature introduced with the most recent Garmin smartwatches that provides an estimate of the energy reserve level, from 100 to zero, that the user has available and that it turns out to be useful during the day in its various moments: in the morning to understand how much you have recovered during the night’s rest, in the evening how tired you are from the activities carried out during the day.



my day – health statistics

By swiping upwards on the touch screen you access the “my day” screen, which provides information on the level of activity that has taken place up to now. The next screen is that of the health statistics, with which you have summary indications on instant heart rate, number of breaths per minute, body battery and instant stress level. All this information is then accessible from your smartphone thanks to the Garmin Connect App, useful for checking the historical trend (example: the level of stress accumulated over the last few days). Some of this information, such as sleep quality analysis, is only accessible from Garmin Connect and cannot be viewed directly on the smartwatch.

While running of a sporting activity it is possible to view data from 3 different screens, each of which offers a maximum of 3 data. At the end of the activity Venu SQ offers a series of information and statistics that allow us to evaluate what we have done and with what intensity, data that we will find in greater detail in the corresponding Garmin Connect screen on our smartphone.

For whom h if you have already used a Garmin product in the past, nothing substantially new, therefore: you find yourself in a familiar environment, in which it is easy to configure the various options. The graphic style adopted is certainly less sophisticated and refined than that of the higher-end Fenix ​​and Forerunner models, resulting in a slightly “retro” visual impact: nothing that compromises usability, but you can definitely do better in this. scope.

The graph shows the heart rate trends recorded with the Garmin HRM-PRO heart rate monitor, connected to a Garmin Forerunner 676, and with the integrated optical sensor in Garmin Venu SQ. The behavior of the latter was overall very close to that of the chest heart rate monitor, with some differences evident especially in the final part of the training session. The optical sensor recorded a pulse peak that lasted about 1 and a half minutes, a period in which the heart rate did not change.

The average data recorded by Venu SQ was equal to 160 beats per minute, against a value of 159 beats per minute of the chest heart rate monitor. Overall, therefore, very limited differences as an average, with a slightly different instantaneous behavior which, moreover, confirms how the optical heartbeat sensor provides a good representation of how our heart is working during training but not with a level of precision comparable to that of a chest band.

In this training session Venu SQ recorded, about 83 minutes in duration, a distance of 18, 16 km against a value of 18, 04 obtained with Garmin Forerunner 676. The difference is less than 1%, due to the tolerance of consumer-grade GPS devices such as these products. In other training sessions we recorded behaviors that mirror the track proposed here both in terms of heart rate and overall distance measured: marginal differences compared to the reference, with an overall behavior of Venu SQ that is almost the same as that of the older brother Garmin Forerunner 945.

A valid smartwatch for sportsmen, with an affordable cost

Venu SQ implements everything you expect from a Garmin sports watch: it provides clear indications during the course of the activity together with final summary data upon its completion. There is not the level of detail and depth that Garmin implements in the more expensive models of the Forerunner and Fenix ​​families but in fact nothing is missing even for the most passionate sportsman. Obviously, there remains the ability to load personalized workouts, which contain different phases in terms of duration, distance and intensity: this also allows the advanced enthusiast to train following the instructions provided by the smartwatch. This is a technical element appreciated by the passionate sportsman who differentiates Venu SQ from competing products, not able to go beyond some predefined training configurations and not customizable at will.

The dimensions compact and light weight make it very practical to wear all day continuously: it is not difficult to keep it on the wrist even during the night, so as to be able to constantly monitor your health as well as the quality of night rest. The only real limitation is the lack of the barometric altimeter: this is a renunciation that has allowed the overall cost to be contained and therefore can be well supported in the light of the 199 € official price list for the Venu SQ model.

Finally, good autonomy with battery: we were able to use it for an average of 5 consecutive days between one battery charge and the other, carrying out a running activity every day with the optical heartbeat sensor and GPS activated, lasting about 1 hour at a time. By enabling the detection of the oxygen saturation level continuously, keeping the screen at maximum brightness and performing longer training sessions, the autonomy is reduced but VenuSQ is certainly not a smartwatch to be recharged every evening, or every two days, even making the most of all its features.

Between the standard version and the Music version we recommend the first: the cost of the second is 249 €, not very far from around 300 € to which it is It is possible to purchase the original Venu model that implements the same functions, but enriched with the barometric altimeter and the on-screen display mode of the gymnastic exercises provided for by your training session.