Felix Instruments F-940 Operation Manual
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Felix Instruments F-940 Operation Manual

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  • Page 2 F-940 Instruction Manual rev. 11/26/2019 DECLARATION OF CONFORMITY Manufacturer: CID Bio-Science 1554 NE 3 Camas, WA 98607 Declares that the CE-marked Product: Product Model(s): Model F-920, F-940, F-950, F-960 FCC Compliance Statement: This device complies with part 15 of the FCC Rules.

  • Page 3: Table Of Contents

    F-940 Instruction Manual rev. 11/26/2019 Table of Contents Introduction ............ 6 Features ............8 Unpacking the F-940 Store It! ...... 11 Operating Instructions ........14 Loading the Battery ........14 Basic Operation ........15 Measurement Modes ........ 16 Measure ............18 Continuous Mode ........
  • Page 4 F-940 Instruction Manual rev. 11/26/2019 Setup > Calibration ........30 On-Device Calibration Instructions ..31 Setup > O2 Calibration in Air ....32 Setup > Date and Time ......32 Setup > RH Conversion ......33 Setup > GPS ..........34 Setup >...
  • Page 5 F-940 Instruction Manual rev. 11/26/2019 F-940 Store It! Gas Analyzer Maintenance ... 69 Long Term Storage of the F-940 ....69 Replacing the Oxygen (O₂) Sensor ... 70 Replacing the Potassium Permanganate Filter (KMnO ) ........... 73 Calibration Using G.A.S Software ..... 75 Continuous Mode Verification ....

  • Page 6: Introduction

    Easy to use straight out of the box with little or no training, the F-940 is ideal for verifying CO and O levels in Modified Atmosphere Packaging 1554 NE 3...
  • Page 7 F-940 Instruction Manual rev. 11/26/2019 (MAP) applications, laboratories, distribution centers, retail centers, storage facilities, and shipping containers. We hope you enjoy using your F-940 Store It! Gas Analyzer. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...

  • Page 8: Features

    F-940 Instruction Manual rev. 11/26/2019 Features The F-940 features include:  Measures C , CO and O  Displays results in under 30 seconds  Past records stored on the device  Handheld and lightweight  Internal data logging and storage ...
  • Page 9 F-940 Instruction Manual rev. 11/26/2019 F-940 Specifications Air Sampling Rate 70 mL/min Measuring Rate Automated, one second intervals to SD in Continuous Mode Data Storage Removable 16 GB SD and Bluetooth Display Backlit visible transflective LCD Operating 0–50°C (0–90% relative...
  • Page 10 F-940 Instruction Manual rev. 11/26/2019 Carbon Dioxide Infrared sensor, pyroelectric detector (CO₂) Sensor Nominal Range 0–100% Full Scale Resolution 0.01% absolute Trigger Mode ±0.5% absolute and ±3% of Accuracy measured value Continuous Mode ±0.01% absolute and ±3% of Accuracy measured value Lower Detection Limit 0.01%...

  • Page 11: Unpacking The F-940 Store It

    F-940 Instruction Manual rev. 11/26/2019 Unpacking the F-940 Store It! The F-940 arrives with a hard-sided carrying case that includes:  The F-940 Store It!  SD card (within instrument)  USB cord (for firmware update and data transfer) (11) ...
  • Page 12 F-940 Instruction Manual rev. 11/26/2019 F-940 accessories for measurement including sampling probe and loop back tube as well as PolarCept filter. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...
  • Page 13 F-940 Instruction Manual rev. 11/26/2019 F-940 accessories for calibration including external conditioning tube, T-junction tubing, and consumable solids. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...

  • Page 14: Operating Instructions

    0.25 A. For a faster charge, charge at 1 A. The batteries must be removed from the F-940 to be charged. If the batteries of the F-940 discharge during storage, replace with charged batteries. The Li-ion batteries have little self-discharge and a lifetime of approximately 3 years.

  • Page 15: Basic Operation

    F-940 Instruction Manual rev. 11/26/2019 case. The cap can be twisted with fingers or a screw-driver to tighten or loosen it. Take care when removing batteries, as the cap is spring loaded. Both batteries should be inserted into the unit positive (+) side first (towards intake or top).

  • Page 16: Measurement Modes

    F-940 Instruction Manual rev. 11/26/2019 For information on the latest firmware version, please visit the F-940 support webpage: www.felixinstruments.com/support/F-940. The battery meter is listed on the lower right- hand side of the display. The main menu displays the following options: Measure, Setup, and File.
  • Page 17 F-940 Instruction Manual rev. 11/26/2019 continuously without stopping. Continuous mode can be used with or without the sample port attached to the front of the instrument. Data is saved to a file every one second on the F-940. Trigger mode measures the air entering through the input of the instrument.

  • Page 18: Measure

    F-940 Instruction Manual rev. 11/26/2019 Measure From the main menu, press the right arrow when the word ‘Measure’ is highlighted to enter the measurement display screen. All measurement parameters are saved to the SD card every one second in continuous mode.
  • Page 19 F-940 Instruction Manual rev. 11/26/2019 The x-axis of the graph represents time elapsed. As the measurement progresses the graph will move to the right. The graph can display approximately two minutes of measurement at a time. The y-axis of the...

  • Page 20: Trigger Mode

    F-940 Instruction Manual rev. 11/26/2019 Trigger Mode A measurement in trigger mode will initiate a small volume sample taken over several seconds until the reading is stable. To begin, use the up and down arrows to set the time, in minutes, for the Timer Interval.

  • Page 21: Taking A Measurement

    Assemble the probe and connect the needle probe tubing to the intake of the F-940. Twist on a hydrophobic filter to the end of the tubing. The filter will prevent any moisture or debris from entering the instrument.

  • Page 22: Instrument Protection

    F-940 Instruction Manual rev. 11/26/2019 From the main screen, select ‘Measure’ and then the right arrow button. This will initiate a measurement in either mode. The F-940 will run either continuously (continuous mode) or until the minimum stable sample volume has been reached (trigger mode).

  • Page 23: Flow Blocked

    Sensor Out of Range The sensor range of the F-940 is 0–10 ppm. Damage can occur to the sensor if measuring ethylene concentrations beyond this range. In order to protect the sensor from damage, the instrument will display the warning, ‘Sensor...

  • Page 24: Sensor Exposure

    F-940 Instruction Manual rev. 11/26/2019 Sensor Exposure The lifetime of a sensor depends heavily on the application. Mainly the exposure to certain gases and their concentrations have strong impacts. For C sensor, a lifetime of >2 years can be expected for discontinuous measurement.

  • Page 25: Discontinuous Measurement Vs Continuous Measurement

    F-940 Instruction Manual rev. 11/26/2019 Some gases, like hydrogen sulfide (H S) or ammonia (NH ), can affect the sensing capability of a sensor and irreversibly poison the sensor. Discontinuous Measurement vs Continuous Measurement Under these circumstances, the solution is to measure in discontinuous mode.

  • Page 26: F-940 Store It! Menu Map

    F-940 Instruction Manual rev. 11/26/2019 F-940 Store It! Menu Map Below is a map of the F-940 Store It! Gas Analyzer menu system. Press the right arrow Measure Graph View Continuous Measure Trigger Mode USB Storage Bluetooth C2H4 USB Ctrl...

  • Page 27: Setup Menu

    F-940 Instruction Manual rev. 11/26/2019 to enter a menu and the Left arrow to exit. Setup Menu Use the right arrow to enter the Setup Menu from the Main Menu screen. The following options are available: Mode Set Zero Calibration O2 Calibration in Air Date &...

  • Page 28: Setup > Set Zero

    The following instructions can be followed to set zero for the C sensor: The F-940 is shipped with an external conditioning tube and a package of Potassium Permanganate. Fill the conditioning tube with the Potassium Permanganate granules,...

  • Page 29: 1554 Ne 3 Rd Ave, Camas, Wa 98607, Usa

    F-940 Instruction Manual rev. 11/26/2019 filters. Connect the external conditioning tube to the inlet and outlet of the F-940, seen below. Continue through the standard set zero process. The F-940 will prompt the user to “Use KMnO4 Filter”. The Potassium...

  • Page 30: Setup > Calibration

    Unlike the set zero process in the next section, a zero-standard gas is required as well as standard gases for the set span process. The F-940 Store It! will prompt the user to set up a zero gas, which can be achieved by feeding 100% Nitrogen (N ) gas to the intake.

  • Page 31: On-Device Calibration Instructions

    F-940 Instruction Manual rev. 11/26/2019 On-Device Calibration Instructions 1. Navigate to setup>calibration 2. Enter the passcode to enter the calibration menu (default is ‘1111’) 3. Select the sensor you wish to calibrate 4. The display will prompt you to ‘setup zero gas, press the measure button when ready’.

  • Page 32: Setup > O2 Calibration In Air

    For more information on standard gases used for calibrating the Store It! refer to the calibration section in the F-940 Store It! Gas Analyzer Maintenance section on page 69. Setup > O2 Calibration in Air Alternative to setting zero for the oxygen...

  • Page 33: Setup > Rh Conversion

    The Setup RH Conversion menu is used to correct for the temperature sensor being inside F-940 housing. This causes the temperature sensor to reflect the temperature of the F-940 and not the ambient temperature, which is usually several degrees above ambient. The Relative Humidity is calculated based on the temperature value.

  • Page 34: Setup > Gps

    F-940 Instruction Manual rev. 11/26/2019 Setup > GPS The GPS sensor inside of the F-940 Store It! can be used to record latitude and longitude +/- 10 meters. The instrument should be operated outside, without overhead obstruction for best GPS performance. The Setup > GPS menu turns on/off the GPS sensor and displays the current GPS data.

  • Page 35: File Menu

    F-940 Instruction Manual rev. 11/26/2019 File Menu In the File Menu, the user can manipulate files on the F-940 Store It!. The F-940 will by default save to the most recently used file on the instrument. The file menu contains:...

  • Page 36: File > Create

    File > Delete File Delete displays a list of files that exist on the F-940 Store It! SD card. Use the Up/Down arrows to scroll between files and use the right arrow to delete the selected file. A message will appear: “Delete File?”...
  • Page 37 F-940 Instruction Manual rev. 11/26/2019 the selected file. The data.csv file is the F-940 default file used to store data when no other file is selected. After selecting a file name, the measurement mode with time of the measurement and gas concentration will appear for Trigger mode readings.

  • Page 38: Transferring Files

    F-940 Instruction Manual rev. 11/26/2019 Transferring Files Open the saved data files on the SD card using Microsoft Excel or Notepad. Data files are saved as .csv file extensions (comma separated values). The following figure is an example data spreadsheet. Data values...

  • Page 39: Wireless Sd Memory Card Operation

    C2H4, Raw O2, Raw CO2, CO2 Ref, Zero Baseline, Temp (10x), RH (10x), Battery Voltage, Pressure (mbar) Data can be transferred from your F-940 in multiple different ways. 1. Remove SD card from instrument and use a SD card reader on a PC 2.
  • Page 40 F-940 Instruction Manual rev. 11/26/2019 can be similarly applied to other Felix Instruments products. 1. Install FlashAir™ Wi-Fi card software appropriate to the SD card. a. Visit jp.toshiba- memory.com/ww/support/downl oad/flashair/w04/config02.htm download the software for configuring the Wi-Fi card and obtain vendor operation instructions.
  • Page 41 F-940 Instruction Manual rev. 11/26/2019 6. The Wi-Fi card can be enabled in “internet pass thru mode”, outlined in the following documentation provided within the FlashAirTool software: a. Go to Network Settings on the main menu b. Check Internet pass thru mode c.
  • Page 42 F-940 Instruction Manual rev. 11/26/2019 *CAUTION: If you want to connect to the internet without using the internet pass thru mode, the wireless LAN setting connection on your smartphone or other device must be changed from the FlashAir™ card to the internet access point.
  • Page 43 F-940 Instruction Manual rev. 11/26/2019 c. In your browser, enter http://flashair to view or stream your files For more information on the Toshiba FlashAir™ W-03 Wireless SD Memory Card, contact the application vendor at https://www.toshiba-memory.com/contact/. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...

  • Page 44: G.a.s. Gas Analysis Software

    940/software/ 2. Install 3. Launch the downloaded G.A.S. program There are two ways to connect the F-940 Store It! to the G.A.S. program: Bluetooth or USB cable connection. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...
  • Page 45 F-940 Instruction Manual rev. 11/26/2019 1. For USB cable connection, move ahead to step 4. For Bluetooth connection, on your F-940 Store It!, navigate to Setup > Mode > Connection > Bluetooth. On your windows pc navigate to Settings > Devices >...
  • Page 46 Click on the serial number, you are now ready to interact with the F-940 Store It!. Click on the 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...

  • Page 47: Menu System

    F-940 Instruction Manual rev. 11/26/2019 connection button in the upper right- hand corner to disconnect or reconnect. Menu System The following will describe the menu system functions and symbols: The ‘Files’ menu allows viewing of all files saved to the F-940 The ‘Measurement Monitor’...

  • Page 48: Files

    It also includes a hardware diagnostic testing for troubleshooting. Files The files menu will display all files saved to the SD card of the F-940 Store It!. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...
  • Page 49 F-940 Instruction Manual rev. 11/26/2019 Just select the file of interest and choose whether to download the file from the device, Or open a saved file from your PC. When the document appears on the right-hand column, select it to view and make edits in the 'Note' section.

  • Page 50: Measurement Monitor

    Measurement Monitor The Measurement Monitor menu allows the user to view a graphical live feed of measurements taken on the F-940 Store It!. This feature will display the measurement mode being used, the selected gas, temperature, flow, and RH with the option to...
  • Page 51 F-940 Instruction Manual rev. 11/26/2019 When Trigger mode is selected, the measurements will display upon completion in consecutive rows where the user can again add notes and save the data to their PC. There is also an option to clear the current session.

  • Page 52: Control Panel

    F-940 Instruction Manual rev. 11/26/2019 Control Panel The Control Panel Menu allows the user to control the F-940 from a computer using a simulated device screen. Use the directional arrow keys and measure button on the simulated screen to control the F-940 as you would when using the device directly.

  • Page 53: Calibration

    F-940 Instruction Manual rev. 11/26/2019 Calibration The Calibration menu enables a two-point calibration process for the F-940 including Zero Calibration and Span Calibration. The set zero process will require known standard gas of 100% Nitrogen (N ) gas to set a zero baseline.
  • Page 54 F-940 Instruction Manual rev. 11/26/2019 The calibration menu option in the software also includes a tab for Hardware Diagnostics. This tool can be used to run simple test cases on your instrument to identify and diagnose potential hardware issues. There are three...
  • Page 55 The test checks the reported concentrations of the device while measuring ambient air against typical ambient air gas concentrations. In the case of the F-940, the reported concentrations must fall within the specified ranges reported below. Sensor Minimum...
  • Page 56 F-940 Instruction Manual rev. 11/26/2019 Please note the ranges above. A sensor may pass this diagnostic test, but still not fall within the reported accuracy range of the specified sensor. This means that even if a sensor passes this diagnostic, it may need calibration depending on the accuracy desired.

  • Page 57: Settings

    F-940 Instruction Manual rev. 11/26/2019 Settings G.A.S. offers a settings menu allowing the user to switch between continuous and trigger modes, as well as setting thresholds for QA monitoring. Selecting continuous measurement mode in settings will immediately initialize the measurement. Selecting trigger measurement...
  • Page 58 F-940 Instruction Manual rev. 11/26/2019 Simply “apply validation profile” created after selecting your customized validation profile, and then proceed to see your results in the Measurement Monitor display. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...

  • Page 59: Firmware Update

    F-940 Instruction Manual rev. 11/26/2019 Firmware Update To update the firmware on the F-940, you will need to download and install G.A.S. as outlined in the previous section. Launch the software, connect your device and select “Help”. This will reveal a menu with the option to update your firmware.
  • Page 60 F-940 Instruction Manual rev. 11/26/2019 Once “Upgrade Device Firmware” is selected, the software will outline a series of steps for the upgrade. Follow the instructions provided in steps 1 and 2, step 3 requires the selection of a .dfu file, which can be downloaded from: https://felixinstruments.com/support/F-...
  • Page 61 10 seconds. You’re done! If the firmware is not successfully uploaded, press the power button down on your F-940 for approximately 10 seconds to exit DFU mode. Try the firmware upgrade process again. If unsuccessful, contact the Felix Support team.

  • Page 62: Applications

    F-940 Instruction Manual rev. 11/26/2019 Applications PolarCept No analytical method is completely specific. Gases present in the environment, other than the target gas of a measurement, may affect instrument response. Interferences are not necessarily linear and may also exhibit time dependent characteristics.

  • Page 63: 1554 Ne 3 Rd Ave, Camas, Wa 98607, Usa

    F-940 Instruction Manual rev. 11/26/2019 Proper assembly and use is detailed below. 1. For ease of use, a removeable mount for the external chamber is included with PolarCept. To properly attach this to your instrument first remove the top, left hand screw on the back of the instrument.
  • Page 64 F-940 Instruction Manual rev. 11/26/2019 2. Fit the PolarCept mount in the grooves of the F-940 and screw in place. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...
  • Page 65 F-940 Instruction Manual rev. 11/26/2019 3. To fill the PolarCept chamber with distilled (DI) water, pop out the bottom plug. Hold the external chamber upside down and fill with approximately 30mL of DI water. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...
  • Page 66 F-940 Instruction Manual rev. 11/26/2019 4. Slide PolarCept chamber into mount and connect tubing to intake of instrument. 5. Attach your sampling probe to the hydrophobic filter on the bottom plug. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...
  • Page 67 F-940 Instruction Manual rev. 11/26/2019 6. Put the instrument in either continuous or trigger mode and obtain your gas sample through the sampling probe. PolarCept should bubble to indicate gas flowing through the trap. After measuring, the water in the PolarCept...
  • Page 68 F-940 Instruction Manual rev. 11/26/2019 To clean the water prior to use, simply hook up your external chamber filled with potassium permanganate to the bottom intake of the PolarCept filter. Run the instrument in continuous mode for 20 minutes prior to analysis.

  • Page 69: Store It! Gas Analyzer Maintenance

    This will prolong the life of the O and C sensors. 1. Turn off the F-940 Store It! and remove the bottom rubber mat. 2. Remove the battery cap (it’s spring loaded!) and unscrew the black bottom plate of the F-940.

  • Page 70: Replacing The Oxygen (O₂) Sensor

    F-940 Instruction Manual rev. 11/26/2019 4. Unplug the red and black cable connector by gently pulling the fastener out the end of the O₂ sensor. 5. After reconnecting the sensors, insert fully charged batteries and allow 24 hours to stabilize the sensors.
  • Page 71 For instructions on how to replace the sensor, refer to the images on the following page: 1. Turn off the F-940 Store It! and remove the bottom rubber mat. 2. Remove the battery cap (it’s spring loaded!) and unscrew the black bottom plate of the F-940.
  • Page 72 F-940 Instruction Manual rev. 11/26/2019 1. & 2. 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...

  • Page 73: Replacing The Potassium Permanganate Filter (Kmno )

    The small black jar is the KMnO filter, just unscrew the bottom plate of the F-940 unit after removing the battery cap, unscrew the filter, screw in the replacement and you’re done! Screw back into place the bottom plate and finally the battery cap.
  • Page 74 F-940 Instruction Manual rev. 11/26/2019 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...

  • Page 75: Calibration Using G.a.s Software

    Calibration standard gases, we suggest 50% O for the set span procedure and a verification using ambient air (20.9% O The F-940 allows the user flexibility with calibrating, there are two methods for calibrating: utilizing the computer-free calibration method through on-device adjustments under Setup >...
  • Page 76 F-940 Instruction Manual rev. 11/26/2019 The G.A.S. Calibration menu also enables a two-point calibration process for the F-940 Store It!, including Zero Calibration and Span Calibration. Set zero should take place weekly for all sensors to maintain maximum performance. The set zero process does not require Gas Analysis Software (G.A.S.), see the Setup >...
  • Page 77 F-940 Instruction Manual rev. 11/26/2019 After setting zero, select “Span Calibration” and follow the instructions outlined in the software to complete the Span calibration process, a diagram outlining how to connect your standard gas will display. The timer is defaulted to three minutes, which...
  • Page 78 If you have already completed the set zero process, press “Ok”. Another prompt will appear asking the user to put the device in Continuous Monitor mode (On the F-940 Store It!: Setup > Mode > Measure > Continuous). Then navigate to the main menu and begin measuring.
  • Page 79 F-940 Instruction Manual rev. 11/26/2019 Press “Ok”. The Gas Analysis Software (G.A.S.) will begin the calibration process and count down. Once the calibration is completed, a green verification can be seen above the start button. Following step 6 of the instructions listed, you...

  • Page 80: Continuous Mode Verification

    F-940 Instruction Manual rev. 11/26/2019 Continuous Mode Verification *Performed after set span The following procedure is to check whether the sensors were calibrated to read within spec of the actual gas value. For C , and CO refer to the specifications table on page 9.

  • Page 81: Calibration Using Diy Maintenance Kit

    F-940 Instruction Manual rev. 11/26/2019 Calibration Using DIY Maintenance Kit Instructional Video is available at https://felixinstruments.com/support/ Calibration of sensors expires within three months of calibration date. Please ensure sensors are installed upon receipt. Tools Required:  Philips head screwdriver ...
  • Page 82 Remove the four screws attaching the black bottom plate. 3. F-940, F-950, and F-960 a. For models F-940, F-950, and F-960 first remove the KMnO filter by unscrewing counterclockwise 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com...
  • Page 83 F-940 Instruction Manual rev. 11/26/2019 4. Replace the Oxygen (O₂) Sensor a. Unplug the red and black cable connector by gently pulling the white fastener out the end of the red O₂ sensor. *Do not use the cables to pull b.
  • Page 84 F-940 Instruction Manual rev. 11/26/2019 d. Plug in the cable connector by pressing the white fastener into the end of the new O sensor. 5. Replace the Ethylene Sensor (C (not applicable for model F-920) a. Unplug the black connector cable cap by gently pulling on the cap.
  • Page 85 F-940 Instruction Manual rev. 11/26/2019 c. On the new sensor, remove the metal clip shown on image remove below. d. Attach the black sensor cap to the sensor making certain to align the three connector pins to the cap. e. Insert new sensor, press firmly to properly seat the sensor in the slot.
  • Page 86 F-940 Instruction Manual rev. 11/26/2019 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...
  • Page 87 F-940 Instruction Manual rev. 11/26/2019 6. Replace the Potassium Permanganate Filter (KMnO ) models F-940, F-950, and F-960 only. a. Gently screw in the replacement filter clockwise, until you feel resistance. Do not over tighten. 7. Close the Instrument a. Replace the four screws attaching the black bottom plate b.
  • Page 88 F-940 Instruction Manual rev. 11/26/2019 d. Use the down arrow to scroll to Sensor Gain Settings. Press the right arrow to enter the menu. i. Enter the numeric Gain values next to the appropriate sensors. (Gain values are listed on the label of the sensor packaging) ii.
  • Page 89 F-940 Instruction Manual rev. 11/26/2019 c. In the main menu, navigate to Measure, then press the start button. d. After a few seconds, the flow rate on the instrument should read 68 to 73 mL/min e. Purposely block the inlet port on...
  • Page 90 F-940 Instruction Manual rev. 11/26/2019 to Setup > Mode > Measure > Continuous c. In main menu, navigate to Measure, then press the start button. d. Put the instrument up to your ear, with your ear on the Felix logo on the front, listen for the sound of the pump.

  • Page 91: Leak Test Fail Instructions

    F-940 Instruction Manual rev. 11/26/2019 should hear the sound of the pump stuttering, immediately release your finger from the Outlet port. If you hear the stuttering sound, instrument has passed leak test, proceed to step 11, Calibrate the O sensor. If pump motor does not stutter proceed to the Leak Test Fail Instructions below.
  • Page 92 F-940 Instruction Manual rev. 11/26/2019 11. Calibrate the O sensor **Make certain you are in fresh ambient air** a. Power on the device b. Select Setup. Press the right arrow to enter the menu. c. Use the down arrow to scroll to Factory Setup.
  • Page 93 F-940 Instruction Manual rev. 11/26/2019 potassium permanganate beads (Oxidant) to your device as shown b. Make sure you are in continuous mode by navigating to Setup > Mode > Measure > Continuous c. In main menu, navigate to Measure, then press start.
  • Page 94 F-940 Instruction Manual rev. 11/26/2019 e. After 30 minutes, navigate to Setup > Set Zero > Passcode 1111 > C2H4 Press the right-arrow to accept g. Follow the on-screen instructions to continue. A countdown clock appears in the upper right corner of the display.

  • Page 95: Appendix I: Sampling From A Jar

    The following photos utilize a glass jar customized with the addition of a Vacutainer® septum. The F-940 can draw and analyze a headspace gas sample from a rigid jar by incorporating an input probe and output flow into the septum to compensate for removed airspace, thus preventing a vacuum from occurring.
  • Page 96 F-940 Instruction Manual rev. 11/26/2019 1554 NE 3 Ave, Camas, WA 98607, USA Phone: (360) 833-8835 sales@felixinstruments.com www.felixinstruments.com...
  • Page 97 4. Press the square button above the name of the instrument to initiate the Trigger mode measurement. The pump inside of the F-940 will activate and draw headspace gas into the unit. NOTE: If you receive a Clogged probe? error,...

  • Page 98: Guide For Purchasing Standardized Gases For Calibration

    F-940 Instruction Manual rev. 11/26/2019 Guide for Purchasing Standardized Gases for Calibration Felix instruments does not sell calibration gases. There are many gas suppliers worldwide, you may source gas for calibration and verification of our instruments from any gas supplier. Refer to the calibration chart in our manuals for the gases needed for your specific instrument.
  • Page 99 F-940 Instruction Manual rev. 11/26/2019 Ethylene(C ) in air: Part number: 103DSxxxC2H4A xxx- ppm concentration 2, 5, 10, 20, 75, 100, or 500 ppm balance Nitrogen: Part Number: 103DSxxxxCO2N xxxx-ppm concentration 1,000 ppm or 2,000 ppm Part Number: 103DSxxVCO2N xx- % volume concentration...

  • Page 100: Warranty Information

    Repair or alteration by an unauthorized technician voids warranty. Material and equipment which is not manufactured by Felix Instruments is to be covered only by the warranty of its manufacturer. Felix Instruments will not be liable to the Buyer for loss, damage, or injury to persons or to property by the use of equipment manufactured by other companies.
  • Page 101 F-940 Instruction Manual rev. 11/26/2019 representations, or warranties of any kind, express, implied, statutory, or otherwise (including, but without limitation, the implied warranties of merchantability and fitness for a particular purpose), not expressly set forth herein. All instrument repairs or replacement covered under warranty require a Returned Material Authorization (RMA) number.

  • Page 102: Warranty Registration Card

    Ave, Camas, WA 98607, USA Phone: (360) 833-8835 Fax: (360) 833-1914 e-mail: sales@felixinstruments.com Web: www.felixinstruments.com PRODUCT REGISTRATION CARD Please complete and return this form to Felix Instruments within 30 days to validate your Warranty on Parts and Labor. Registration Information: Your Name:...

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