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F-920 Instruction Manual rev. 6-6-2016

1554 NE 3

Ave, Camas, WA 98607, USA

Phone: (360) 833-8835

[email protected]
www.felixinstruments.com

Features

The F-920 features include:



Measurement of

and

concentrations from 0-

100%



Results are displayed in 6-9 seconds



Previous records available for review on device



Handheld and lightweight (less than 1 kg)



Battery lasts for 8+ hours



Sunlight-visible transflective LCD display easily viewed
in any environment



Functional across broad temperature and humidity
ranges



Bluetooth enabled for rapid data transfer



Controller software for easy calibration available online

F-920 Specifications

Air Sampling Rate

70 mL/min

Measuring Rate

Automated, 1 second intervals to SD
in Continuous Mode

Data Storage

Removable 4 GB SD and Bluetooth

Display

Sunlight visible transflective LCD

Operating environment

0°C - 45°C (0-90% relative humidity,
non-condensing)

Power Source

Removable rechargeable lithium-ion
battery

Dimensions

18cm x 13.5cm x 5.5cm

Weight

0.95kg

Enclosure

Powder coated aluminum

Warm-up time

< 3 minutes

Содержание Check it! F-920

Страница 1: ...Operations Manual F 920 Check It Gas Analyzer ...

Страница 2: ...uct Models s F 920 F 940 F 950 F 960 Complies With 89 336 EEC Electromagnetic Compatibility Directive 73 23 EEC Low Voltage Directive Compliance Standards EN 55027 RF Emissions Information Technology Equipment EN 50082 1 EMC Immunity Standard EN 60950 Safety of Information Technology Equipment Including Electrical Business Equipment May 25 2016 Leonard Felix President ...

Страница 3: ...ation 5 Measurement Modes 6 Continuous Mode 7 Trigger Mode 7 Taking a Measurement 8 Setup Menu 9 Setup Mode 9 Setup Set Zero 10 Setup Date and Time 10 Setup RH Conversion 11 Setup GPS 12 Setup Language 12 Setup Factory Setup 13 File Menu 13 File Select 14 File Create 14 File Delete 14 File Review 15 Transferring Files 15 ...

Страница 4: ...pdating the Firmware 17 F 920 Check It Menu System Diagram 21 Controller Software 22 Maintenance 23 Replacing the Oxygen O Sensor 23 Calibration 25 Carbon Dioxide CO2 PCT Sensor Set Span 26 Oxygen O2 Sensor Set Span 28 F 950 Production Test Check Sheet 31 ...

Страница 5: ...or Bluetooth onto a PC or tablet for later analysis Each data point records concentrations of O2 and CO2 flow rate temperature relative humidity GPS location date and time Controller software for easy calibrating the F 920 is available for download at www felixinstruments com With its rapid response time and lightweight handheld profile the F 920 provides a fast portable verification process for a...

Страница 6: ...lay easily viewed in any environment Functional across broad temperature and humidity ranges Bluetooth enabled for rapid data transfer Controller software for easy calibration available online F 920 Specifications Air Sampling Rate 70 mL min Measuring Rate Automated 1 second intervals to SD in Continuous Mode Data Storage Removable 4 GB SD and Bluetooth Display Sunlight visible transflective LCD O...

Страница 7: ...tion Annually Lifetime 5 years Oxygen O Sensor Electrochemical Nominal Range 0 100 Full scale resolution 0 1 absolute Accuracy 0 25 absolute and 2 of measured value Sampling Time 6 seconds Calibration Bi annually Lifetime 12 months Unpacking the F 920 Check It The F 920 arrives with a hard sided carrying case two sets of batteries and a charger a removable 4 GB SD card and several accessory parts ...

Страница 8: ...s 18650 Li ion 3 7V 3100mAh rechargeable batteries For longer lifespan charge the batteries at 0 25A For a faster charge charge at 1A The batteries must be removed from the F 920 to be charged If the batteries of the F 920 discharge during storage replace with charged batteries The Li ion batteries have little self discharge and a lifetime of 3 years To remove the batteries twist the battery compa...

Страница 9: ...on To turn the instrument on press the green power button The current version of firmware the unit is running is displayed in the lower Left hand corner For information on the latest firmware version please visit the F 920 support webpage www felixinstruments com support F 920 The battery meter is listed on the lower right hand side of the display The main menu displays the following options Measu...

Страница 10: ...ill run and the sample will enter until a stable reading has been achieved The final values will be displayed on screen and saved to the SD card The pump will then turn off until the user initiates a new measurement Trigger mode can be used with or without the sample port attached to the front of the instrument To change between modes Navigate to Setup Mode from the main menu Measure From the main...

Страница 11: ...n arrows to scroll through the graphs The current gas being graphed is shown on the top of the screen with the concentration in large font as shown below The x axis of the graph is time The y axis of the graph displays the range of the concentration in for CO2 and O2 and the dynamic range is labeled at the top The y axis scale is set by the highest value shown in the buffer The graph begins on the...

Страница 12: ...n is in a different range from the last sample The results will be saved to the SD card Press the square start button to begin another measurement Press the Left arrow to exit to the main menu Taking a Measurement Assemble the probe and connect the needle probe tubing to the intake of the F 920 Twist on a hydrophobic filter to the end of the tubing The filter will prevent any moisture or debris fr...

Страница 13: ...s the Left arrow button to return to the measurement screen Setup Menu Use the right arrow to enter the Setup Menu from the Main Menu screen The following options are available Mode Set Zero Date Time RH Conversion GPS Language Factory Setup Setup Mode The Mode menu contains two options Measure switches between Continuous and Trigger mode Connection switches between USB Storage default Bluetooth e...

Страница 14: ...eep to verify the set zero process was completed The oxygen sensor uses ambient air as a verification which is 20 9 O2 the CO2 sensor also uses ambient air which is approximately 0 04 CO2 Next verify the set zero calibration by measuring ambient air Run the set zero calibration again if the verification is not successful Setup Date and Time To adjust the date and time use the Right and Left arrows...

Страница 15: ...re The Relative Humidity is calculated based on temperature so if the sample environment is preferred over the internal F 920 temperature enter the correct sample environment temperature and select Yes to utilize it with your data Sample T C Temperature of sample environment in Celsius Use Sample T Yes will utilize the Sample T to calculate RH No will utilize the F 920 internal T to calculate RH D...

Страница 16: ...t 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 Data is also saved to the SD card as a csv file Setup Language The Language menu will display options for English Spanish Portuguese RH Conversion Enter Sample T C 20 0 Use Sample T Yes for measurements Device RH 43 6 Sample RH 21 3 GPS...

Страница 17: ... 920 Check It The F 920 will by default save to the most recently used file on the instrument The file menu contains Select Create Delete Review All files created by the F 920 are csv comma separated value file extensions To view data on a computer simply insert the SD card into a computer s SD card reader always power off the F 920 before removing the SD card The computer should automatically det...

Страница 18: ... date for easy sorting File Create Pressing the Right arrow when Create is selected will create a new file according to the naming scheme programmed on the instrument XX_XX_XX_X or Year_Month_Date_Ordinal After pressing the right arrow go to File Select to see the list of files on the SD card There will be a new file in the list with the current date File Delete File Delete displays a list of file...

Страница 19: ...adings Use the Up and Down arrows to highlight a measurement and the Right arrow to enter the measurement and see the more detailed data including Date Time O2 and CO2 concentrations Mode and Sample Volume 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...

Страница 20: ...truments com www felixinstruments com Example spreadsheet data from an F 920 Check It REMEMBER Always save the data files to the computer before making changes or starting analysis Raw output field designations Raw C2H4 Raw O2 Raw CO2 CO2 Ref Zero Baseline Temp 10x RH 10x Battery Voltage Pressure mbar SD CARD ...

Страница 21: ...update the firmware you will need 1 F 920_Package_Setup_VXX exe 2 Firmware code file FW_920_v X X X X dfu 3 Micro USB to USB cable to connect to F 920 to PC Installing the F 920 Software 1 Launch F 920_Package_Setup exe 2 Set up device by powering on the F 920 and connecting it to computer via USB port 3 Install will prompt for DfuSe tool required for firmware upgrade Updating the Firmware 1 Open ...

Страница 22: ... navigate to the software page to download the dfu file http www felixinstruments com support F 920 software No will allow you to navigate to the dfu file saved already to your computer 4 Hold the Down Arrow button on the F 920 while pressing the Power button then release both buttons This puts the F 920 in DFU mode 5 Connect the F 920 to the computer using the mini USB to USB cable ...

Страница 23: ...l rev 6 6 2016 1554 NE 3rd Ave Camas WA 98607 USA 19 Phone 360 833 8835 sales felixinstruments com www felixinstruments com 6 Under select a dfu file navigate to the saved dfu file downloaded from the website 7 Click Install ...

Страница 24: ...A 20 Phone 360 833 8835 sales felixinstruments com www felixinstruments com 8 Once the upgrade is completed press and hold the power button 10 sec to reboot your F 920 9 Upon powering on the F 920 should now display the current firmware version at the bottom of the screen ...

Страница 25: ...amas WA 98607 USA 21 Phone 360 833 8835 sales felixinstruments com www felixinstruments com F 920 Check It Menu System Diagram Below is a map of the F 920 Check It Two Gas Analyzer menu system Press the right arrow to enter a menu and the Left arrow to exit ...

Страница 26: ...tion Instructions 1 Open the Controller software 2 Connect the F 920 to the computer using the mini USB to USB cable 3 In F 920 device Setup Mode select USB Ctrl 4 In the Controller software the device series should show up in the device list at top Left corner Click on the device series to select device Note when connecting device to your computer for the first time it may take a minute for the d...

Страница 27: ...ne 1 year and the replacement of the sensor is simple and quick To purchase the sensor from Felix Instruments contact sales felixinstruments com To replace the sensor refer to images on following page 1 Turn off the F 920 Check 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 920 3 Unplug the red and black cable connector b...

Страница 28: ...al rev 6 6 2016 1554 NE 3rd Ave Camas WA 98607 USA 24 Phone 360 833 8835 sales felixinstruments com www felixinstruments com 8 Place the bottom rubber mat and congratulations you ve done it 9 Photos of the process are below ...

Страница 29: ...he controller software needed for real time monitoring and calibration of the F 920 For CO2 Calibration standard gases we suggest 100 CO2 for the set span procedure and a verification gas at a lower value like 20 For O2 Calibration standard gases we suggest 50 O2 for the set span procedure and a verification using ambient air 20 9 O2 1 Connect the F 920 to computer via a USB cable 2 Turn on the F ...

Страница 30: ...oll through the graphs on the F 920 use the up and down arrow keys so that it is displaying the CO2 concentration graph 4 Set the flowrate on the CO2 gas tank so that the flow meter reads roughly 90 mL min If the F 920 gives a Flow Blocked error then increase the flow on the meter by 10 mL min and begin measure mode on the 920 again If the error persists contact tech support If a sample bag is bei...

Страница 31: ...port to the bag using the needle port 2 On the F 920 begin measure mode 3 Scroll through the graphs on the F 920 use the up and down arrow keys so that it is displaying the CO2 concentration graph 4 Set the flowrate on the CO2 gas tank so that the flow meter reads roughly 90 mL min If the F 920 gives a Flow Blocked error then increase the flow on the meter by 10 mL min and begin measure mode on th...

Страница 32: ...20 use the up and down arrow keys so that it is displaying the O2 concentration graph 4 Set the flowrate on the O2 gas tank so that the flow meter reads roughly 90 mL min If the F 920 gives a Flow Blocked error then increase the flow on the meter by 10 mL min and begin measure mode on the F 920 again If the error persists contact tech support If a sample bag is being used skip this step 5 Let the ...

Страница 33: ...ag using the accompanied needle port 2 On the F 920 begin measure mode 3 Scroll through the graphs on the F 920 use the up and down arrow keys so that it is displaying the O2 concentration graph 4 Set the flowrate on the O22 gas tank so that the flow meter reads roughly 90 mL min If the F 920 gives a Flow Blocked error then increase the flow on the meter by 10 mL min and begin measure mode on the ...

Страница 34: ...s performed If this step is not performed accuracy of the calibration cannot be verified Repeat the verification sections from above for each gas and record the results here after three minutes at least of measure time If any of the values are out of specification check your procedure and recalibrate the sensor again Gas Concentration Pass Fail Air Air is 20 9 O2 20 9 O2 Yes No CO2 Verification Ga...

Страница 35: ...struction Manual rev 6 6 2016 1554 NE 3rd Ave Camas WA 98607 USA 31 Phone 360 833 8835 sales felixinstruments com www felixinstruments com F 920 Production Test Check Sheet SERIAL NUMBER Firmware Version NOTES ...

Страница 36: ...___ Phone ______________________________ Fax ____________________________ Felix Instruments Serial Number s __________________________________________________ Purchase Date _____________________Purchase Price _____________________ FOLD ON DOTTED LINE Your opinions will help improve our service Please answer the following questions 1 What was the basis of your product selection Representative Recom...

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