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vPad-TI OPERATING MANUAL

Set up the test environment and on pressing OK, the tablet will initiate communication with the
DAT inside the incubator. The tablet will then display the following set up parameters:

Once configured, pressing Continue will start the test by measuring the internal temperatures of the
incubator until STC is established

Figure 59

: Cold Ambient Temperature Test Checklist

Figure 60

: Cold Ambient Temperature Set Up Instructions

Running a Test/Chapter 5

Page 48

Summary of Contents for vPad-TI

Page 1: ...vPad TI Transport Incubator Tester Operating Manual MN 120 ...

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Page 3: ...sport Incubator Tester Operating Manual 2019 Datrend Systems Inc 130 4020 Viking Way Richmond BC CANADA V6V 2L4 Tel 800 667 6557 North America Only or 604 291 7747 Fax 604 294 2355 e mail customerservice datrend com ...

Page 4: ......

Page 5: ...rial number and accessories are eligible for partial refund and or credit Non serialized parts and accessory items cables carrying cases auxiliary modules etc are not eligible for return or refund In order to receive a partial refund credit the product must not have been damaged and must be returned complete meaning all manuals cables accessories etc within 90 days of original purchase and in as n...

Page 6: ...t Improper power supply such as low voltage incorrect voltage defective wiring or inadequate fuses Accident alteration abuse or misuse of the instrument Fire water damage theft war riot hostility acts of God such as hurricanes floods etc Only serialized products those items bearing a distinct serial number tag and their accessory items are covered under this warranty PHYSICAL DAMAGE CAUSED BY MISU...

Page 7: ...for breaking the Quality Seal You should break this seal only after you have received factory authorization Do not break the Quality Seal before you have contacted us Following these steps will help ensure that you will retain the original warranty on your instrument without interruption WARNING Unauthorized user modifications or application beyond the published specifications may result in electr...

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Page 9: ...Run Autosequences 24 4 6 Run Test 31 5 Running a Test 33 5 1 Overview 33 5 2 Noise Sound Level Test 33 5 3 Probe Test 38 5 4 Air Flow Air Velocity Test 42 5 5 Warm Up Time Test 44 5 6 Cold Ambient Temperature at 36 C 47 5 7 Air Temperature Control Regulation Error ACTRE at 36 52 5 8 Air Temperature Control Test High 54 5 9 Air Temperature Control Test Low 57 5 10 Baby Temperature Control 59 5 11 H...

Page 10: ...vPad TI OPERATING MANUAL 7 Calibration and Maintenance 73 ...

Page 11: ...ure NSL Noise Sound Level STC Steady Temperature Condition STS Skin Temperature Sensor TC Temperature Control TEMP Temperature WT Warm Up Time CAUTION Read the instructions for use before operating this device Definitions Some of the following definitions are paraphrased from the relevant sections and clauses of IEC 60601 2 20 Edition 2 Air Control Temperature Regulation Error Clause 201 12 1 106 ...

Page 12: ...ad TI this is an Android tablet 10 with and Android type operating system 5 1 1 or equivalent Incubator Clause 201 3 205 an enclosure intended to contain a baby and having transparent section s which allow s for viewing of the baby provided with means to control the environment of the baby primarily by heated air within the enclosure Transport Incubator Temperature Clause 201 3 212 temperature of ...

Page 13: ...o exceed 10 of the nominal supply voltage User Interface vPad TI is supplied with a 10 nominal Android tablet which has the vPad TI application pre installed and ready to run The software is controlled by touching a function button on the graphical user interface GUI or where applicable by entering specific data via the keyboard Display 10 Android Tablet 1920 x 1200 color IPS touch screen LCD Spec...

Page 14: ...n Sensor oven with thermal pad contact 28 C to 40 C in 2 C increments 0 01 C resolution 0 05 C Accuracy Airflow Measurement Range 0 1 to 1 m s Accuracy 0 1 m s at 50 RH 15 Relative Humidity Measurement Range 0 100 Non Condensing Accuracy 3 Resolution 0 1 RH Sound Level Measurement Range 30 dbA to 100 dbA Type III Accuracy 3 dbA Resolution 0 1 dbA Data Retention Capacity up to 48 hours per test Sam...

Page 15: ...t for P N 3000 611 P N 7500 490 Includes North America Europe Schuko United Kingdom China Australia AA Battery 1 2V 2300mAH P N 3310 012 1 4 Optional Accessories For a complete list of available accessories visit www datrend com or contact Datrend Customer Service see Chapter 7 for contact details Specifications Chapter 1 Page 3 ...

Page 16: ...vPad TI OPERATING MANUAL Specifications Chapter 1 Page 4 ...

Page 17: ... external to the device under test DUT a user interface based on an Android tablet communicates wirelessly to the sensor system via Bluetooth and provides the user with the ability to control the test operation and display the results without disturbing the test environment vPad TI incorporates all the functionality necessary to meet the requirements of the IEC standard related to temperature airf...

Page 18: ... designed to perform all the temperature tests in one contiguous time block to avoid numerous long heating and cooling cycles Tests of airflow sound and or humidity are performed either before or after the temperature tests so that the sensors can be moved about in the incubator without disrupting a temperature test 2 3 Controls and Interface Connections Referring to Figure 1 through Figure 5 the ...

Page 19: ...rature Input c Airflow Sensor Input d Power Input e Power LED f Power Switch 10 Hub Connections Right Side a T3 Tc Temperature Input b T2 Tb Temperature Input c Humidity Sensor Input d Sound Level Sensor Input 11 Positioning Frame Allows Tb Te Pucks to be positioned with respect to Ta at the center of the mattress 12 Positioning Frame Components a longitudinal positioning bar b horizontal position...

Page 20: ...ANUAL Figure 3 Sound Level Sensor Figure 4 Air Flow Sensor Figure 5 Humidity Sensor Figure 6 Mattress Temperature Sensor Figure 1 Wireless HUB Left Side View Figure 2 Wireless HUB Right Side View Overview Chapter 2 Page 8 ...

Page 21: ...inches from the cross axis see point C2 Figure 7 In setting up the positioning frame the longitudinal long bar would be placed in the body of the HUB with the end having a small hole about 1 from the end sliding into the slot in the HUB as indicated in Figure 8 The T bracket is placed over the long bar and slid into the position marked 6 inches on the long bar Similarly the horizontal cross bar is...

Page 22: ...tress It is now necessary to make the electrical connections for each of the sensors As previously described the large round Puck represents a thermal mass imitating the infant body in a convection warming environment This Puck is made of aluminum with a black heat absorbing coating with a temperature sensor embedded in the aluminum block In this configuration the temperature measured by the Puck ...

Page 23: ...est software the temperatures are referred to as Ta 1 for the center of the incubator and Tb 2 Tc 3 Td 4 and Te 5 for each of the quadrants as shown in Figure 10 Figure 9 Sensor Frame Fully Assembled Figure 10 Temperature Sensor Positions Overview Chapter 2 Page 11 ...

Page 24: ... These sensors are utilized when the relevant test is selected in the software test setup When utilized the sensors are held in place on the Puck by magnets The tablet connects wirelessly via Bluetooth to the wireless HUB The tablet also provides connection to the Skin Sensor Oven through the USB port so that Skin Temperature Probes can be checked for accuracy Figure 11 Temperature Sensor Connecti...

Page 25: ...ing the computer with a virus or other malware Problems which arise from loading other apps on the tablet are not covered by warranty NOTE The vPad TI software is setup to test Infant Transport Incubators The large black PUCKs are the required thermal mass for Radiant Warmer testing and have embedded temperature sensors for that purpose The vPad RW app is available for Radiant Warmer testing The s...

Page 26: ...onably consistent in the main chamber normally from back to front In addition the main chamber is designed to reduce temperature loss as much as possible through the use of double walls of acrylic In many circumstances keeping the infant surrounded by a blanket of air at a constant temperature is sufficient to keep the infant warm However under certain circumstances the infant may continue to lose...

Page 27: ...vated prior to delivery and should not need any further setup Ensure the tablet has been charged before attempting to use it for testing The tablet battery will typically last for at least 4 6 hours when fully charged but if power is available it is advisable to connect the charger to the tablet for the duration of any long tests To switch the tablet ON press and hold the tablet power button 5 10 ...

Page 28: ... an extended period of time Press and hold the ON OFF switch until a confirmation message appears on the tablet screen Select the appropriate response to complete the Power Off sequence When it is not necessary to have the tablet display on and you are running from battery power it is good practice to turn the display OFF temporarily Pressing and releasing the Power ON OFF button momentarily will ...

Page 29: ...to as an Autosequence This chapter describes the software used to control the test operation and assumes that the hardware has been assembled and is in place in the Compartment of the incubator as described in Chapter 2 4 1 HOME Screen The typical Android HOME screen Figure 14 is displayed approximately 60 seconds after switching the tablet ON Figure 14 Android Home Screen Operation Chapter 4 Page...

Page 30: ...tion At bottom middle or top right on the screen press this Apps icon to access more apps which are installed on the tablet On bottom task bar middle or left on the screen press this Home icon to return from an app to the Home screen On bottom task bar middle or left on the screen press this Back icon to navigate back one step from the app or screen currently being displayed to a previous one For ...

Page 31: ...rements that manufacturers are expected to meet when designing an infant transport incubator When testing a transport incubator after the design has been certified to meet this standard the most relevant tests are related to the physical parameters of temperature airflow sound and relative humidity The functional specifications for these parameters are contained within section 8 of the Standard Ac...

Page 32: ...act or perform tests in a general sense during tests Report Title The Report Title is a 2 line entry which will show up on every report to identify the facility which owns the incubators or alternately the facility doing the testing Touch in either Line 1 or Line 2 and enter the Title s desired Once a report is created the Report Title in the report is fixed and will not change if the System Setti...

Page 33: ...s after STC is reached Alternately the time can be set to continuous in which case the user can stop the test at any time after STC is reached by touching the Stop Test button The same timer settings can be applied to the Temperature Overshoot test where vPad TI will determine when STC has been reached after the prescribed temperature change has been detected Units The units that the system will u...

Page 34: ... safety test s will be found from the list presented under Safety Test Record Location It is expected that the safety test and performance test will be done reasonably close together Under Date Range select the most appropriate date range to find the most current safety test s The default is 2 days but there are also options for 1 week and All Finally in the Save To selection the merged file can b...

Page 35: ...l cause the incubator test record data to be appended to the safety test record and the resulting file will be saved to the designated Save To location Language vPad TI is designed to work in multiple languages Changing languages is a function of the tablet If a translation of the App is available it will be automatically selected by changing the native language of the tablet Contact your dealer f...

Page 36: ...ght corner of the Autosequence list screen there is a check box Run Test If this box is not checked selecting an autosequence will allow editing of the selected sequence or use of the selected sequence as a template for creating a new sequence If the box is checked selecting a sequence will actually start running or performing the selected test without entering the edit screen first Figure 22 and ...

Page 37: ... button is touched the existing file will be deleted after the Exit button is pressed The settings however will remain on the screen for further editing or saving to a new filename Some parameters have a small number in front of the selection box If the Is pressed a help screen will be displayed providing information on the numbered parameter In this part of the manual each parameter will be descr...

Page 38: ... The flow of air in the baby incubator is measured in terms of Air Velocity AV clause 201 12 1 111 and is measured at positions Tb Tc Td and Te The AV at any of the specified points shall not exceed 0 35 m s This test is performed before the temperature testing is started During the test the airflow sensor must be moved to the appropriate position s as prompted by the software Warm Up Time It is t...

Page 39: ...C and reconnected to an external power supply and operated for a further 30 minutes The incubator temperature shall not differ from the control temperature by more than 3 C Air Temperature Control Regulation Error ACTRE Clause 201 12 1 106 of the standard states that when configured as an Air Controlled Transport Incubator the Average Transport Incubator Temperature shall not differ from the Contr...

Page 40: ...four points must not differ by more that 2 C Air Temperature Control Low The Air Temperature Control Low test is a repeat of the Air Temperature Control High test at a temperature below the temperature selected for the High test normally 36 C The temperature recommended by the Standard clause 201 12 1 1072 is 32 C Baby Temperature Control The ability of the incubator to control the baby s temperat...

Page 41: ...d IT The sensor should be checked at 32 C and 36 C Alarm Sound Level Inside The Standard requires the alarm sound levels to be tested inside and outside of the incubator to ensure they are not so loud as to injure the infant and loud enough to be heard by the operator For the test inside the incubator the requirements are defined in clause 201 9 6 2 1 103 The sound pressure level A weighted is mea...

Page 42: ...36 C shall be measured Skin Sensor Accuracy The sensor used to control the temperature in the Baby Temperature Control test must have an accuracy as defined in the Standard under clause 201 12 1 103 Testing the accuracy of the Skin Temperature Sensor STS requires the use of a separate optional temperature controlled oven module The oven can be set to a temperature of 28 C to 40 C The STS is plugge...

Page 43: ...an be saved Running a test will first display the device information input screen shown below It is mandatory to enter the Equipment ID as it will form the core of the test report filename The Technician Initials or alternate code is also mandatory to identify who performed the test Other information make model location facility may be entered but are not mandatory If this screen was entered from ...

Page 44: ...e list simply touch the Equipment ID field or Serial Number field and a list of pre existing entries will be displayed Touch the entry which matches the incubator you wish to test and all of the fields will be populated from the database With the equipment information properly entered and the correct Autosequence selected touch the OK button to run the test Details of the screens which will be dis...

Page 45: ...ich will be least disruptive to the completion of the temperature tests to minimize temperature loss Note If the wireless hub is running off the battery and the voltage gets low an alarm will sound every five seconds and a warning sign will be placed on the flashing battery icon The mains charger must be connected to ensure no loss of data The remainder of this chapter describes the individual tes...

Page 46: ...e is a icon If this icon is selected a help screen describing this test will be displayed In addition there is a battery icon which will indicate the battery level during the test The battery level is not updated on the instruction screens only during actual tests Because certain portions of the test only require data every minute there may be some uncertainty that the system is operating An anima...

Page 47: ...uctions the incubator should be OFF so that the background or ambient noise can be measured Note that in some circumstances the term Tc may be used instead of Ta to indicate the temperature at the center of the incubator mattress NOTE At sound levels below 40 dBA the HUB must be operated on batteries When the instructions have been complied with click on the OK button to activate the test vPad IN ...

Page 48: ...sor Accuracy test has been activated This test may be selected independently of the Baby Temperature Control test in the Autosequence However if the Baby Temperature Control test has been selected the Skin Sensor Accuracy test will minimally include a test at 36 C Function of the Probe Test will be discussed following the NSL test The results of the NSL test will be shown momentarily Figure 39 fol...

Page 49: ...Tests Repeat Test would be used if corrections could be made to the test setup to improve the results Next Test is used to continue on with the Autosequence and Cancel All Tests is used if it is decided to abort the remainder of the Autosequence Figure 39 Noise Sound Level Measurement Figure 40 Noise Sound Level Results Running a Test Chapter 5 Page 37 ...

Page 50: ...n first activated the instruction screen for the Skin Accuracy Test will be displayed The Skin Sensor must be tested for accuracy before the Baby Temperature Control test can be performed To facilitate this the Probe Test is made available as soon as the Autosequence starts This allows the Sensor to be tested in the background and be available when the Baby Temperature Control test is ready to beg...

Page 51: ...Host port of the tablet via a microUSB to microUSB cable and must be connected to its own 15 18 VDC power supply via the adapter input connection on the back of the Oven Press the Power ON OFF switch on the front panel to activate the Oven When the Probe Test is initiated by touching the Probe Test icon the app provides an instruction screen on how to make the connection The Skin Sensor Accuracy T...

Page 52: ...the Cancel button Once the Oven temperature has stabilized at the set temperature the program will automatically proceed to the Sensor Temperature Input screen Figure 47 On this screen the temperature of the Skin Sensor as shown by the Control Panel of the incubator can be entered If another test air temp warmup overshoot etc is in progress when the Probe Test requests the Sensor temperature the i...

Page 53: ...e Oven and will show red arrows moving upwards as the Oven heats When all of the temperatures indicated in the Autosequence have been tested the test will be considered to be complete and the app can return to any other test which was in progress If no other sensor tests are to be done the Probe Test icon will be removed from the screen The Sensor can then be placed in the incubator to perform the...

Page 54: ... sensor to acclimatize to the temperature of the incubator Figure 50 Following the delay the program will prompt to have the sensor placed at the first position T2 and the OK button will be enabled When instructed move the Air Flow Sensor to the position indicated in the instruction screen Figure 51 Note that in an Autosequence the Air Flow test is performed before any temperature tests This avoid...

Page 55: ...the test Results screen will be displayed summarizing the test as per Figure 52 At this point the options are going forward to the Next Test Repeat the test or to Cancel All Tests As previously discussed Repeat would be used if corrections could be made to the test setup to improve the results Next Test is used to continue on with the Autosequence and Cancel All Tests is used if it is decided to a...

Page 56: ... to a value equal to or more than this suggested value The incubator is then set to Air Control and the incubator is turned ON if it is not already running When the actions indicated in the instructions are complete click on the Continue button to start the test During the WT test the program will display a graph of incubator temperature versus time along with several key parameters see Figure 54 ...

Page 57: ...ntinue after the initial determination of WT then the data will be analyzed for the STC and green dotted lines will be displayed during the first 60 minutes that the data meets the defined variability condition for STC but has not reached the 60 minute criteria In the temperature graph the warm up time is indicated by the blue circle around the data point which in this case is also the start of ST...

Page 58: ...en will be displayed summarizing the test as per Figure 58 After pressing OK to acknowledge the results the options are going forward to the Next Test Repeat the test or to Cancel All Tests As previously discussed Repeat would be used if corrections could be made to the test setup to improve the results Next Test is used to continue on with the Autosequence and Cancel All Tests is used if it is de...

Page 59: ...ent temperature must be in the range 21 C to 25 C and the incubator is heated up to 36 C Once STC has been reached the external power source is disconnected and the incubator is moved to an environment where the ambient temperature is in the range 5 C 2 C and the wind velocity is not more than 1 m s After 15 minutes the incubator is return to the original environment ambient temp 20 C to 25 C exte...

Page 60: ...ubator The tablet will then display the following set up parameters Once configured pressing Continue will start the test by measuring the internal temperatures of the incubator until STC is established Figure 59 Cold Ambient Temperature Test Checklist Figure 60 Cold Ambient Temperature Set Up Instructions Running a Test Chapter 5 Page 48 ...

Page 61: ...tor from the external power supply and move the incubator to an environment where the ambient temperature is 5 C 2 C and the wind velocity is not more than 1 m s The time at which the incubator is moved is marked with a circle on the temperature graph Figure 61 Figure 62 Running a Test Chapter 5 Page 49 ...

Page 62: ...or is to be moved back into the original test environment and the external power supply re connected A second circle is placed on the temperature graph indicting the time temperature of this transition Figure 63 Figure 64 Running a Test Chapter 5 Page 50 ...

Page 63: ...vPad TI OPERATING MANUAL Once the test has finished the results will be displayed as follows Figure 65 Running a Test Chapter 5 Page 51 ...

Page 64: ... temperature of between 20 C and 30 C Once the autosequence is selected and run the system will display a Test Checklist Set up the test environment and on pressing OK the tablet will initiate communication with the DAT inside the incubator The tablet will then display the following set up parameters Once configured pressing Continue will start the test by measuring the internal temperatures of th...

Page 65: ... results for the first stage of the test will be presented as follows The test will then be repeated for the upper ambient temperature range 20 C 30 C and the results displayed as follows Figure 69 Figure 70 Figure 71 Running a Test Chapter 5 Page 53 ...

Page 66: ...he mattress is first set to the horizontal position and the incubator control mode is set to Air A CT target is displayed based on the value set in the Autosequence in this case 36 C for the high temperature test The CT can be set to a value equal to or more than this suggested value The incubator is then set to Air Control and the incubator is turned ON if it is not already running When the actio...

Page 67: ...l be enabled for input During the test all of the data points collected including those for the temperatures at the other 4 locations are saved to a Raw Data file All five temperatures for locations Ta through Te are displayed along the bottom of the graph for information purposes Any event which occurs during the test is also saved as a comment Typical comments would be Minute Mode Air Temperatur...

Page 68: ...cated by the incubator must be within 15 of the value measured by vPad TI s Humidity Sensor Figure 75 Relative Humidity Input Figure 76 Independent Temperature Value Input Similarly the incubator is required to have a temperature sensor which is independent of the control system of the incubator This sensor is typically a non mercury thermometer mounted within the baby compartment of the incubator...

Page 69: ...rd requires that difference between the AIT and the CT be not more than 1 5 C When OK is pressed on the Result screen you are returned to the temperature graph screen and the graph shown is what will be saved to a JPG file if the option to Save Picture to JPG Afer Test has been enabled in the System Settings The Result will include a filename of the JPG image of the temperature versus time graph T...

Page 70: ...vPad TI OPERATING MANUAL Figure 79 Air Temperature Control Low Running a Test Chapter 5 Page 58 ...

Page 71: ... reminded to test the skin sensor probe for accuracy as shown in the screen of Figure 80 With an accurate skin sensor probe available the instructions for the Baby Temperature Control are then provided The Baby Control Temperature test functions in the same manner as the Air Temperature Control test with the addition of one more button in the lower left corner next to the graph This button Skin Te...

Page 72: ...ll be compared to the Control Temperature If the difference is less than 0 7o C the Control Temperature Regulation Baby CTRB will be considered a Pass Figure 82 Baby Control Test STC reached Figure 83 Incubator Skin Temperature Input Running a Test Chapter 5 Page 60 ...

Page 73: ...rs can be input The results screen provides a summary of the test just completed After accepting the Results the graph of the saved test is displayed The user may now Repeat the test or go on to the Next Test 5 11 Humidity and Temperature Checks See the sections on Air and Baby Temperature Control Figure 84 Baby Temperature Control results Summary Figure 85 Baby Temperature Control Test Complete R...

Page 74: ...roblem in the Temperature Overshoot test in section 8 clause 50 109 To simulate the problem described above the incubator is operated at 32 C until STC is reached Figure 87 Once the temperature reaches STC 60 min at 30 C the program prompts the user to set the Control Temperature to 36 C degrees and the Incubator Temperature is monitored see Figure 88 Figure 86 Temperature Overshoot Instructions F...

Page 75: ...st return to a condition that meets the requirements of STC except for the 60 minute minimum time frame If the temperature variability conditions are met for at least 5 minutes the display will indicate STC XX min s and green dotted lines will appear showing the upper and lower STC limits If STC persists for over 60 minutes the green lines will become solid and the display will indicate waiting fo...

Page 76: ... reaching 36 C the incubator passes the test requirements The Results will be shown in the dialog box as shown in Figures 91 When the test is complete the display will show the graphical result from the start of the test This graph will be saved as a JPG image if the setting Save Picture to JPG After Test is checked The filename for the image will also be referenced in the test report Figure 90 Hi...

Page 77: ...d 80 dBA Following the instruction screen of Figure 96 the Sound Sensor is placed on the central Puck held in place with the magnetic fasteners Once in place an alarm is initiated by the user The alarm can be generated in any manner the user sees fit While the alarm is sounding click on the OK button to take the measurement While the alarm sound is processed a progress indicator screen is displaye...

Page 78: ...he incubator are taken at a distance of 3 meters from the front of the incubator at a height of 1 5 meters above the floor as defined in the Standard clause 201 9 6 2 1 102 The Sound Sensor is unplugged from the Puck in the incubator and removed from the Baby Compartment The Sound Sensor can then be plugged into an extension cable to allow it to be moved around outside the incubator The Sensor is ...

Page 79: ...l of the alarm is at least 65 dBA at the prescribed position When the alarm sound measurement is complete the result will be displayed as in Figure 97 Figure 96 Alarm Sound Level Instructions Outside Figure 97 Alarm Sound level Outside Running a Test Chapter 5 Page 67 ...

Page 80: ...g Add Comment will display a Text Input window and touching anywhere in the window will bring up a keyboard to allow a comment to be created This comment will form part of the final test report If the option to Merge with Safety Test has been enabled in the System Settings a list of electrical safety test reports relevant to the Equipment ID being tested will be displayed This list will be extract...

Page 81: ...or more appropriate electrical safety test reports are found the filenames will be presented in a dropdown list to allow selection of the correct report Select a safety test and press OK to proceed or press Cancel to abort the merge and simply save the incubator test report The merged file will be saved to the original safety test report location or to the vPad TI Records folder as per the choice ...

Page 82: ...ords image A list of the test results in memory will be displayed on the screen as shown in Figure 102 The listing can be ordered by Equipment ID Test Sequence or Date Clicking on the title of the field and the list will be re ordered in ascending or descending order as appropriate using multiple touches The types of report listed are indicated by checkmarks in the Test Results or Raw Data check b...

Page 83: ...a points measured during the test as indicated in Figure 104 This test report provides measurement data for each of the parameters measured along with a time stamp in seconds The parameters T1 T5 represent the temperatures at the end of the Temperature Probe 10 cm above the mattress Parameters T6 T10 represent the temperature of the large thermal mass related to the Probes T1 T5 respectively TA is...

Page 84: ...efer to the vPad RM manual for instructions on selecting and moving files Press Exit to return to the file list in vPad TI The Raw Data is exported as a comma separated unicode text file Unlike the ordinary CSV format the unicode text file supports international language and can be imported into a spreadsheet This text file may be used to recreate graphs that were seen during the test or to create...

Page 85: ... warranty For calibration or service assistance contact Datrend for a Return Materials Authorization RMA number or for the location of the nearest Service Facility 130 4020 Viking Way Richmond BC CANADA V6V 2L4 Tel 800 667 6557 North America Only or 604 291 7747 Fax 604 294 2355 e mail customerservice datrend com vPad TI should be cleaned with a soft lint free damp cloth Use of cleaning agents may...

Page 86: ...130 4020 Viking Way Richmond BC CANADA V6V 2L4 Tel 800 667 6557 North America Only or 604 291 7747 Fax 604 294 2355 e mail customerservice datrend com ...

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