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DATREND Systems vPad-RW Operating Manual

Radiant warmer tester
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Radiant Warmer Tester
Operating Manual

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  • Page 1 Radiant Warmer Tester Operating Manual...
  • Page 3 ™ Radiant Warmer Tester Operating Manual © 2015 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 5 2015-Mar-18 Copyright Datrend Systems Inc. (“DSI”) agrees to a limited copyright release that allows you to reproduce manuals and other printed materials for use in service training programs and other technical publications. If you would like other reproductions or distributions, submit a written request to Datrend Systems Inc.
  • Page 6 Warranty and Product Support Datrend Systems Inc. ("DSI") warrants this instrument to be free from defects in materials and workmanship under normal use and service for one (1) year from the date of original purchase. This warranty will be automatically extended to a maximum of five (5) years from the date of original purchase provided that calibration is performed on an annual basis by a Datrend Authorized Service Center (refer to Chapter 7 of this manual).
  • Page 7 In the event that the seal must be broken to gain internal access to the instrument (e.g., in the case of a customer-installed firmware upgrade), you must first contact Datrend Systems. You will be required to provide us with the serial number for your instrument as well as a valid reason for breaking the Quality Seal. You should break this seal only after you have received factory authorization.

  • Page 9: Table Of Contents

    2.6 vPad-RW Software ........
  • Page 10 OPERATING MANUAL...
  • Page 11 OPERATING MANUAL Abbreviations, Definitions and Symbols The following abbreviations, terms and acronyms are used throughout this manual: ACTRE Air Control Temperature Regulation Error Average Incubator Temperature Average Temperature of Temperature Sensor X, where X = 2 - 5 Air Velocity Background Sound Level °C...
  • Page 12 A display system for the test instrument (vPad-RW) which relies Interface on graphics to a large extent to display information. In the case of vPad-RW, this is an Android Tablet (10") with an Android type operating system (4.1.1), or equivalent Infant Radiant Section 1, clause 2.2.101: an electrically powered device with a...

  • Page 13: Specifications

    Note: Mains supply voltage fluctuations not to exceed +/- 10% of the nominal supply voltage. User Interface: vPad-RW is supplied with a 10" (nominal) Android tablet which has the vPad-RW software application pre-installed and ready to run. In some instances, the hardware for vPad-RW may have been supplied with vPad-IN.

  • Page 14: Data Collection Specifications

    OPERATING MANUAL 1.2 Data Collection Specifications Temperature: • Measurement Range: 0 °C - 50 °C • Accuracy: T1: ± 0.05 °C • Resolution: 0.01 °C • Convection: 5 ‘puck’ sensors (T6 - T10) - radiant warmer • Air Conduction: 5 sensors (alternate ‘post’...

  • Page 15: Standard Accessories

    OPERATING MANUAL 1.3 Standard Accessories AC Adapter (all models) 100-240 VAC 50/60 Hz to 9 VDC: P/N 3000-611 Blade Sets Kit (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...
  • Page 16 OPERATING MANUAL Specifications/Chapter 1 # Page 4...

  • Page 17: General Information

    5 temperature sensors, 1 airflow sensor, and 1 sound level meter. vPad-RW also incorporates a non-volatile memory or "data log" which is used to save test data, such tests typically being conducted by the user over several hours or days.

  • Page 18: Controls And Interface Connections

    OPERATING MANUAL of the system. In addition to the 5 temperature sensors, vPad-RW provides airflow, and sound level sensors in separate packages which connect to the central hub. The test protocols are designed to perform all the temperature tests in one contiguous time block to avoid numerous long heating and cooling cycles.
  • Page 19 OPERATING MANUAL Sound Level Probe Measures sound level. Can be moved within the device under test (DUT) and can also be connected to an extension cable for external sound/alarm level measurements. Held in place on the Puck magnetically. Humidity Probe Measures Humidity.
  • Page 20 OPERATING MANUAL Figure 1: Wireless HUB - Right Side View Figure 2: Wireless HUB - Left Side View Figure 6: Mattress Figure 3: Figure 4: Figure 5: Sound Level Sensor Air Flow Sensor Humidity Sensor Temperature Sensor Overview/Chapter 2 # Page 8...

  • Page 21: Setup

    OPERATING MANUAL 2.4 Setup To test a radiant warmer according to the Standard, the Sensor System must be placed on the mattress of the DUT with the Temperature Probe of the Hub in the center of the mattress, and the Temperature Probes of the remaining 4 Temperature Pucks placed in the center of each of the 4 quadrants of the mattress.
  • Page 22 Temperature Pucks for each of the other three quadrants are set up in the same manner. The fully assembled system is shown in Figure 9. The vPad-RW test system is now configured mechanically, according to the Standard, to take temperature and other measurements in the center of the radiant warmer and in the center of each of the four quadrants of the mattress.
  • Page 23 OPERATING MANUAL Figure 9: Sensor Frame Fully Assembled In the Test Reports generated by the test software, the temperatures are referred to as T1 for the center of the incubator, and T2, T3, T4 and T5 for each of the quadrants as shown in Figure 10.
  • Page 24 OPERATING MANUAL The cables from the individual Pucks will connect to the HUB as indicated in Figure 11, Figure 2 and Figure 1. Figure 11: Temperature Sensor Connection Locations The sensors for Sound and Airflow also connect to the HUB, as indicated in Figure 2 and Figure 1.

  • Page 25: Power On

    Once turned ON, the HUB will wait for the tablet to initiate communications. 2.6 vPad-RW Software The vPad-RW software is preloaded on the tablet. When turned on, the tablet presents the Android Home Screen, where selecting the vPad-RW icon will run the vPad-RW Application.

  • Page 26: Radiant Warmer

    OPERATING MANUAL 2.7 Radiant Warmer Primer Radiant Warmers are a controlled temperature environment which are used to maintain the body temperature of newborns who, for various reasons, are unable to regulate their own body temperature. Radiant Warmers generally work in one of two modes: 1) manual temperature control, or 2) body (skin) temperature control.

  • Page 27: Tablet Setup

    OPERATING MANUAL 3 Tablet Setup The following instructions relate to the tablet to be used with the vPad-RW Radiant Warmer test system. The measurement hardware is placed on the Radiant Warmer mattress, as described in Chapter 2, and communicates with the tablet via Bluetooth. The tablet will be paired with the measurement hardware and the vPad-RW App will be installed and activated prior to delivery, and should not need any further setup.
  • Page 28 • Esc: Escape out of the app you are in and return to the Home screen Figure 13: Tablet I/O ports Switch the tablet OFF when vPad-RW will not be in use for 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.

  • Page 29: Operation

    OPERATING MANUAL 4 Operation This chapter explains how to use vPad-RW to define performance tests and inspections on infant radiant warmers, following a predefined sequence of steps referred 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 Baby Compartment of the radiant warmer, as described in Chapter 2.
  • Page 30 Press to access Settings. Use this menu to configure sound, display, touchscreen, and wireless setup. By default, vPad-RW is supplied with WiFi connectivity disabled. Use the Settings menu to enable wireless connectivity, in accordance with policies of your institution or organization.

  • Page 31: Startup

    Figure 15: vPad-RW Splash Screen From the splash screen, the user can select one of the four modules that provide vPad-RW with its functionality: 1) Test Settings; 2) AutoSequences; 3) Run Test; and, 4) Review Records. Each of these modules will be discussed in detail in the remainder of this chapter.

  • Page 32: Test Settings

    (Note: Section numbering may change from time to time as the Standard is revised.) As temperature tests tend to take a long time, vPad-RW has been designed to allow the user to define the particular subset of tests that are desired. This subset can be saved as a Autosequence (protocol) for future use.
  • Page 33 OPERATING MANUAL Figure 16: System Settings Figure 17: System Settings (cont) Operation/Chapter 4 # Page 21...
  • Page 34 The tests performed by vPad-RW can be quite time consuming, therefore it is generally impractical to perform a safety test on a radiant warmer and then do a performance test with the vPad-RW app, all as part of one test or Checklist. In order to keep test data together, it is possible to merge the safety test (or even a performance inspection using vPad-Check or vPad-mT) with the test results of the vPad-RW app.
  • Page 35 OPERATING MANUAL Figure 18: Merging Safety Test Results - Choose App Figure 19: Merging Safety Test Results - Time frame Operation/Chapter 4 # Page 23...

  • Page 36: Create / Edit / Run Autosequences

    Save To location. Language vPad-RW 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 for further details on language availability for this app.
  • Page 37 OPERATING MANUAL In the upper right corner of the Autosequence list screen (see Figure 21), 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.
  • Page 38 OPERATING MANUAL Figure 22: Edit Auto Sequences Ambient Air Flow and Temperature Check The flow of air across the radiant warmer mattress is measured in terms of Air Velocity (AV) [section 2, clause 10.2.1], and is measured at the midpoint of the mattress. The AV at the specified point shall not exceed 0.3 m/s.
  • Page 39 OPERATING MANUAL Baby Temperature Control The ability of the radiant warmer to control the baby’s temperature using a skin temperature sensor in Servo Control Mode can be tested by selection of the Baby Temperature Control test at 36 °C.

  • Page 40: Run Test

    OPERATING MANUAL Select All/Clear All The Select All and Clear All buttons on the Autosequence display allow selection of every parameter test (Select All) or no parameter tests (Clear All). These selections can be useful when beginning to set up an Autosequence, depending on whether most of the tests are required or very few tests are required.
  • Page 41 OPERATING MANUAL Figure 24: Equipment Information Screen If this screen was entered from the Edit Autosequence option, the correct Autosequence will be included in the AutoSequence field. Otherwise, if this screen was entered from the Run Test screen, it will be necessary to select the desired AutoSequence from the list of defined Autosequences, as shown below.
  • Page 42 OPERATING MANUAL Once the mandatory information is entered, the OK button will be enabled. Touching the OK button will begin the actual test. As data is entered and accepted (by pressing OK) for the radiant warmer inventory, a small database is created which will allow a radiant warmer to be selected from a list, in the future.

  • Page 43: Running A Test

    5 Running a Test 5.1 Overview Once the required Autosequences have been designed and saved, vPad-RW is ready to run a test on a radiant warmer. 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 mattress of the warmer, as described in Chapter 2.

  • Page 44: Ambient Air Flow And Temperature

    OPERATING MANUAL 5.2 Ambient Air Flow and Temperature If an Ambient Airflow and Temperature test has been selected, the instruction screen of Figure 27 will be shown. Figure 27: Ambient Airflow & Temperature Test Instructions Note: Remove the Protective Cap from the Airflow Sensor body to expose the sensor prior to attempting any measurements.
  • Page 45 OPERATING MANUAL When the measurements have been completed the results will be reported as indicated in Figure 29 below. Figure 29: Ambient Check Test Results If, during this test, a measurement is found to be outside of the accepted values (per requirement 50.102), the measurement will be shown in amber and it will be possible to make...

  • Page 46: Manual Temperature Control Test

    OPERATING MANUAL 5.3 Manual Temperature Control Test A radiant warmer must be able to maintain a constant/consistent radiant infrared energy output so as to able to maintain an infant’s body temperature (under ideal conditions). The Standard requires the radiant warmer to be able to sustain a Steady Temperature Condition (STC), per section 8, clause 50.102.
  • Page 47 OPERATING MANUAL Figure 31: Data Collection Screen 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. Any event which occurs during the test is also saved as a comment.

  • Page 48: Baby Temperature Control

    At the end of the test, the Results summary will be displayed, Figure 33 . In addition to the Mid Point Average Temperature (ATm) and the length of time that STC was true, vPad-RW will also report other values required by the Standard. The terms AT7 - AT10 refer to the Device Average Temperature at each of the locations in the centers of the four quadrants of the mattress.
  • Page 49 OPERATING MANUAL Figure 34: Baby Temperature Control Set-Up Instructions When running the test and STC is reached, the Skin Temperature Reading button will be enabled, as shown in Figure 35. Figure 35: Data Collection Screen once STC reached Running a Test/Chapter 5 # Page 37...
  • Page 50 OPERATING MANUAL Clicking on this button will allow the Skin Sensor temperature, as indicated on the radiant warmer, to be input into the test result. See Figure 36, for an example of how this is done. Figure 36: Skin Sensor Temperature As with the manual test, the Baby Temperature ends with a summary of the results of the test, which will be integrated into the test report, Figure 37.

  • Page 51: Probe Test

    OPERATING MANUAL 5.5 Probe Test If a Baby Temperature Control test or a Skin Sensor Accuracy Test have been selected in an Autosequence, a Probe Test icon, , will appear in the upper right corner of the screen (as shown previously in Figure 37).
  • Page 52 The Skin Sensor Accuracy Test can be performed at temperatures from 28 °C to 40 °C in increments of 2 °C . The Oven is controlled by vPad-RW software when connected to the USB Host port. Once the Sensor has been correctly placed in the Oven, as indicated above, click the OK button to initiate the Sensor Test.
  • Page 53 OPERATING MANUAL Figure 40:Skin Sensor Accuracy Set Up Instructions If more than one temperature has been selected on the Autosequence, the test will begin with the lowest temperature value defined in the test. When the test starts, the screen will change to the Temperature Stabilization screen indicated in ?.
  • Page 54 OPERATING MANUAL Once the Oven temperature has stabilized at the set temperature, the program will automatically proceed to the Sensor Temperature Input screen, Figure 42. On this screen the temperature of the Skin Sensor, as shown by the Control Panel of the radiant warmer, can be entered. If another test (ambient airflow, manual temperature control, etc.) is in progress when the Probe Test requests...
  • Page 55 OPERATING MANUAL Figure 43: Sensor Temperature Accuracy - Test Status 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 icon will be removed from the screen.

  • Page 56: Alarm Sound Level - Inside

    OPERATING MANUAL 5.6 Alarm Sound Level - Inside The alarm sounds generated by a radiant warmer have the potential to damage the infant’s hearing if they are too loud. The Standard defines in section 11, clause 102.2, that an alarm sound measured at a height of 10 - 15 cm above the center of the mattress must not exceed 80 dBA.

  • Page 57: Alarm Sound Level - Outside

    OPERATING MANUAL When the alarm sound measurement is complete, the result will be displayed as in Figure 46. Figure 46: Alarm Sound Level: Inside Test Result 5.7 Alarm Sound Level - Outside In addition to the alarm sounds inside the radiant warmer, alarms generated by the radiant warmer must be loud enough to be heard by care givers outside of the radiant warmer.
  • Page 58 OPERATING MANUAL Figure 47: Alarm Sound Level: Set-up Instructions for Outside Test The Standard requires that the sound level 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 48.

  • Page 59: Saving Test Reports

    OPERATING MANUAL 5.8 Saving Test Reports When Next Test is pressed during an autosequence, the particular parameter test is considered to be last only complete. If this is the test being performed, the content of the is shown Test Report on the screen.
  • Page 60 OPERATING MANUAL If the option to has been enabled in the , a list of Merge with Safety Test System Settings electrical safety test reports relevant to the being tested will be displayed. This list Equipment ID will be extracted from the...

  • Page 61: Test Reports

    OPERATING MANUAL 6 Test Reports 6.1 Overview Test results are saved in two formats after the tests are completed, a summary report and a file containing all measured data points and comments collected during the test. 6.2 Recalling Records From the Main Screen test records can be recalled for viewing, printing and transfer by clicking on the Review Records image.
  • Page 62 OPERATING MANUAL 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...

  • Page 63: View Raw Data

    OPERATING MANUAL 6.3 View Raw Data The view Raw Data option will display the individual data points measured during the test as indicated in Figure 55. This test report provides measurement data for each of the parameters measured along with a time stamp, in seconds. The parameters T1 - T5 (recorded when testing incubators) represent the temperatures at the end of the Temperature Probe, 10 cm above the mattress.

  • Page 64: Exporting Data

    Press to return to the Exit file list in vPad-RW. Figure 56: File Transfer Utility 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.

  • Page 65: Calibration And Maintenance

    604.291.7747 • Fax 604.294.2355 e-mail: customerservice@datrend.com vPad-RW/vPad-IN should be cleaned with a soft, lint free, damp cloth. Use of cleaning agents may result in scratching, discoloration, or streaking. NOTE: All components of the system , including the tablet must be returned, when the system is returned for Calibration.
  • Page 66 130-4020 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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