GTE KMG-Lite Operating Manual
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GTE KMG-Lite Operating Manual

Hand-held instrument for measuring dynamic forces at closing edges of power-operated doors and gates
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KMG-Lite
Hand-held instrument for measuring dynamic forces at closing
edges of power-operated doors and gates
Operating manual

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Summary of Contents for GTE KMG-Lite

  • Page 1 KMG-Lite Hand-held instrument for measuring dynamic forces at closing edges of power-operated doors and gates Operating manual...
  • Page 2 At a glance ② ① ① Open the cap ② insert 3 x AA 1,5V batteries ③ ③ Start the device...

  • Page 3: Table Of Contents

    Intended use ..............8 Product description .............. 9 Commissioning ..............11 Measuring ............... 14 Warning- and error signals ..........21 Using ‚KMG-Lite App‘ ............25 Care and maintenance ............48 Calibration ..............51 Accessories ..............53 Technical data ..............54...

  • Page 4: About This Manual

    KMG-Lite-BT. The KMG-Lite-BT is equipped with a wireless module and therefore deploya- ble with the free KMG-Lite App. Contents that are not related to the KMG-Li- te app and the wireless module also apply to the KMG-Lite-BT. KMG-Lite can be retrofitted with a wireless module.
  • Page 5 Identification Display Meaning Note Note Offers helpful tips and information Objective Denotes the objectives that is to be achie- ved via the steps descripted Step Carry out steps  Cross reference Refers to more extensive or detail Display Shows the display output...

  • Page 6: Safety Information

    Safety information This chapter gives general rules which must be followed and observed if the product is to be handled safely. Â Product safety/preserving warranty claims ► Operate the instrument only within the parameters specified in the chap- ter “Technical Data”. (Chapter. 12, S. 54) ►...
  • Page 7 Â Ensure correct disposal ► Take used batteries to the designated collection points. ► Send the product to GTE Industrieelektronik GmbH at the end of its service life. L We will take care of its proper and ecological disposal..

  • Page 8: Intended Use

    Intended Use KMG-Lite and KMG-Lite-BT are compact handheld measurement instruments for determining dynamic closing forces of power-operated doors and gates, according to EN 12453, EN 16005 and ASR A1.7. ► Only use the product for those applications which it was designed for.

  • Page 9: Product Description

    Product description This chapter describes the structure of the product and its display and control elements. Point of force application Display Control button Battery plug...
  • Page 10 Numeric measurement result Indicator Indicator Indicator...

  • Page 11: Commissioning

    Commissioning Follow the steps described to commission the device correctly. . Â Removing the protective film on the display: ► Peel the protective film off carefully. Â Inserting batteries: ► Remove battery plug at the end of the hand- le tube by twisting it counter clockwise and remove it.
  • Page 12 ► Insert three AA - type batteries with 1.5V each. ► Mind the polarity! ► Close battery plug: Press the batteries with the battery plug against the spring resistance inside the handle and lock it by twisting it clockwise. Battery positive terminal ahead! 3 x batteries AA 1,5 V...
  • Page 13 Â Turn on the KMG-Lite: ► Press the control button once The device performs a self-test during start-up.. Startup test The device is ready for measurement after the self-test (approx. 3 seconds).. Ready for measurement...

  • Page 14: Measuring

    Measuring This chapter describes the steps required to measure with the product. Infor- mation on the measurement process in conjunction with the KMG-Lite app can be found on page 33. Â Start measurement: ► Start device (S.13) ► Wait for measure attendance.
  • Page 15 L Simultaneously with the measurement, the normative evaluation of the temporal force curve starts. Measurement/Evaluation  Display of the measurement results L After the measurement and evaluation are finished, the instrument auto- matically displays the dynamic peak force (F ) that has occurred wit- hin measurement.
  • Page 16 If the dynamic time (t ) exceeded the normative 0.75 seconds, the LED within the second display segment flashes. Measurement result: = 326 N > 0,75 s If the force value at the end of the 5s measurement period (F ) exceeded 25 N, the LED within the third display segment flashes.
  • Page 17 If the force value at the end of the 5s measurement period (F ) exceeded 80 N, the LED within the third display segment flashes. Measurement result: = 326 N > 80 N If the force value at the end of the 5s measurement period (F ) exceeded 25 N and the dynamic time (t ) exceeded 0.75 s, the LEDs within the...
  • Page 18 If the force value at the end of the 5s measurement period (F ) exceeded 80 N and the dynamic time (t ) exceeded 0.75 s, the LEDs within the second, third and fourth display segment flash. Measurement result: = 326 N >...
  • Page 19 Â Display of the value F ► After measurement press the control button twice. The display now shows the value of the final force in Newton (N). = 0 N L The LED within the third display segment is lit for orientation. L By pressing the control button again, the display returns to the dynamic peak force with the flashing segments for indication of t and F...
  • Page 20 L Regardless of the current display state the instrument is always ready to start a new measurement whenever the required trigger force > 20 N is detected. Â Switch off the device ► Keep the control button pressed for more than two seconds. L After five minutes of inactivity the device automatically switches off.

  • Page 21: Warning- And Error Signals

    Warning- and error signals The device reports special system states via short view on the 4-digit display. Exceedance of measurement range If the measured dynamic peak force exceeds the specified upper limit of 1600 N, the display shows a flashing “1600”. The measurement results for and F are not affected.
  • Page 22 Low battery warning If the battery voltage falls below a critical value, the display shows the mes- sage ”Batt“. L By pressing the control button you can still continue your measurements. ► Change the batteries as soon as possible. Error signal „Load rejection“ If the device senses a zero force offset on startup the display shows the mes- sage “Err“.
  • Page 23 cified temperature/humidity range or if the force application plate got stuck. ► Make sure the device is unloaded while starting up. ► Make sure that all environmental conditions are within the specified range. ► Make sure that the force application plate is neither stuck or soiled. (chap.
  • Page 24 ► If this error message should occurr although the instrument is used within the specified temperature range, please send it to GTE for calibration. ( chap.10, page 51) Error signal “Eich“: calibrationtable missing If the instrument’s display shows the message “Eich“ after startup, the system is unable to find its calibration reference.

  • Page 25: Using 'Kmg-Lite App

    L Please note that the KMG-Lite app can only be used in conjunction with a KMG-Lite retrofitted with wireless modules or the KMG-Lite-BT. ► If your KMG-Lite device does not have a wireless function, contact...
  • Page 26 Updates to the KMG-Lite app The KMG-Lite app is updated regularly. L Updates to the KMG-Lite app are displayed under the menu item „Set- tings“ and can be switched on by the user on request by clicking on the respective new function.
  • Page 27 Â Install the app ► Download the KMG-Lite app from the App Store for iOS and Google Play Store for Android devices. L Alternatively, this QR code can be used: Link: www.app.kmg-lite.com ► Follow the instructions for installation!
  • Page 28 Â Connect to KMG-Lite-BT ► Switch on wireless connection on your smartphone or tablet. L The KMG-Lite-BT only connects to the smart phone or tablet during mea- surement. (see also „Select device“ on page 32) Â Start the KMG-Lite app...
  • Page 29 Symbol Explanation Symbol Name Explanation Open user form Client Select customer Close Close measurement Save Save measurement Protocol Create a protocol Mail Send protocol by mail Share Sharing protocol via different channels Retrieving Call up the calibration date of the device Delete Delete information Not rated...
  • Page 30 Â Enter the contact details of the examiner ► Open the „menu box“ in the upper left corner. ► Use the button „Pen“ to open the input field „Name of Tester“ for data input. ► Using the „Select image“ button, you can upload a photo or a gra- phic with your logo from the memory of your device.
  • Page 31 Â Customer management/Create customer ► Open the „Menu field“. ► Select „Customer Management“ to see a list of all created customers. ► Use the „Create customers“ button to create a new customer. To do this, enter the name of the customer and then click the „Create“ button. L The customer name can be deleted at any time by swiping from the right to the left.
  • Page 32 Â Select device ► Open the „Menu field“. ► Select „Settings“. L Under „Measurement Device“, the last connected device is displayed. ► Press the „Update“ button to find and save a new device. Â Reset data ► Open the „Menu field“. ►...
  • Page 33 L Select this option for documentation according to ASR 1.7. ► Press the „Measure“ button on the app‘s home page. Alternatively via „Mesurement“ in the „Menu field“. ► Turn on the KMG-Lite-BT. ► Press the button „Add measure“. ► The KMG-Lite-BT connects to the KMG-Lite app.
  • Page 34 L If the connection is successful, the dot flashes in the 1st segment of the L KMG-Lite-BT. L The KMG-Lite app displays the note „Ready to measure“. The measure- ment can take place. L If there is a connection problem between KMG-Lite-BT and the KMG-Lite app, connect the KMG-Lite-BT as a new device.
  • Page 35 L three individual measurements can be performed per measurement. ► Start another measurement within a measurement using the „Add mea- sure“ button. L In the „Details“ tab you can store information about the measurement. They are shown in the protocol. ►...
  • Page 36 Â Use the measurement assistant ► Open the measurement assistant via the menu. ► Choose between a standard measurement or DHF measurement. L The standard measurement is suitable for the documentation of 3 indivi- dual measurements of a test point according to EN 12453. L The DHF measurement is aimed at customers from U.K.
  • Page 37 ► Follow the further steps of the app and add measuring points as spe- cified. L If there are several measurements within one measuring point, the app automatically determines an average.
  • Page 38 Display of the measurements – The green comfort shade shows the normal range of the force F and the duration T The comfort shading is only displayed at the first measuring point. The comfort shading is hidden from the second measuring point. –...
  • Page 39 Edit measuring points  Rename or delete measuring point ► Open the measurement and select the „pen“ icon of the measurement point; the „Edit measurement point“ window opens. ► „Save“ will take over the new name. ► „Cancel“ will leave the respective graphics window and the changes will be discarded.
  • Page 40 Â Assess the measurement result ► Use the „-“ switch to determine whether the measurement corresponds to the limit values according to standard EN 12453 and ASR A1.7 or the specifications DHF TS 011 and DHF TS 012 of a DHF measure- ment.
  • Page 41 ► Open the „Details“ tab in the „Measurement“ or „Measurement Wi- zard“ window. ► The calibration date stored in the device can be updated via the „Re- trieving“ button. L Updating the calibration date is required after each new calibration of the KMG-Lite-BT.
  • Page 42 Â Edit customer information of a measurement ► Open the „Details“ tab in the „Measurement“ or „Measurement Wi- zard“ window. ► Use the „Contact“ button to select the desired customer from the list of created customers (see also „Customer managemant/Create customer“, page 31).
  • Page 43 types and select the type suitable for the measurement. ► Confirm the information with the „Save“ button. Â Set the position of the measurement ► Open the „Details“ tab in the „Measurement“ or „Measurement Wi- zard“ window. ► Select the „Use current position“ button. L To use, your mobile device‘s GPS function must be enabled.
  • Page 44 Â View saved measurements At the start of the KMG-Lite app, the measurement history is available via the „History“ button. In use, you can reach the measurement history via the „Menu field“. Saved measurements are displayed in calendar terms.
  • Page 45 ► Tap the word „Today“ to see one of the possible filters: Today, Yester- day, Last 7 Days, Last 30 Days. ► The display of the data can be used according to „Single“ for single measurements and „Assistent“ for standard measurements or DHF mea- surements.
  • Page 46 Â Create a protocol ► Open the „Protocol“ tab in the „Measurement“ or „Measurement Wi- zard“ window. ► Use the switches to select which information the protocol. L Selecting the „Position“ option requires activating the GPS function of your mobile device. You can display the position as a graphic or as a QR code in the protocol.
  • Page 47 Error message  Fix error massage „No device found“. ► Reconnect your KMG-Lite-BT to the app. ► If a new error message appears, con- nect your KMG-Lite-BT as a new de- vice.

  • Page 48: Care And Maintenance

    Care and maintenance L Proper maintenance and care of the equipment maintains its functiona- lity and contributes to the extended life of the product. Â Store device correctly: ► When not used, keep the gauge inside its transport case and protect it from humidity and mechanical stress.
  • Page 49 L A soiled instrument can cause reduced measurement accuracy. ► In case of doubt send the device to GTE for calibration. As part of the calibration sensitive parts can be cleaned from dust particles. Â Clean housing: ► Clean the housing with a moist cloth (soap suds) if it is dirty. Do not use aggressive cleaning agents or solvents! Â...
  • Page 50 ► Remove old batteries and take care of proper disposal. ► Insert three AA - type batteries with 1.5 V each. ► Mind the polarity! Positive terminals ahead! ► Close battery plug: Press the batteries with the battery plug against the spring resistance inside the handle and lock it by twisting it clockwise.

  • Page 51: Calibration

    L To ensure the measurement accuracy the instrument has to be cali- brated every year! L Regular calibration is also mandatory according to DIN 16005 as well as EN 12453. L The calibration badge on the bottom of the device shows when your KMG-Lite- needs to be calibrated.
  • Page 52 We calibrate your instrument carefully and accurately. Of course, you will receive a factory calibration certificate for each calibration. An order form is included in the scope of delivery of your KMG-Lite. To place an order, send us the completed order form together with your device. GTE...

  • Page 53: Accessories

    11 Accessories As additional accessory for KMG-Lite we offer a Spacer-Set, which contains a robust measurement tripod and distance pieces for typical measurement points. Distance elements for Tripod for vertical horizontal gates and doors Opening doors: 30 and 50 cm...

  • Page 54: Technical Data

    12 Technical data Voltage supply: 3 x 1,5 V - AA - Battery (Mignon) Power consumption: < 25 mA Battery duty: > 100 hours Temperature range: 0 ... 40 °C Humidity range: 20 ... 90 % r. H. (non-condensing) Dimensions of measurement plate: 80 mm Ø, height 50 mm Dimensions: 250 mm x 80 mm x 50 mm (L x W x H)
  • Page 55 GTE Industrieelektronik GmbH Helmholtzstr. 21, 38-40 41747 Viersen | Germany +49 2162 / 3703-0 +49 2162 / 3703-25 www.kmg-lite.de | kmg@gte.de Art.-Nr.: 305-2310-200 V3.1, September 2021 Technical changes reserved!

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