User Manual - CO2Meter.com
Contents
1. 27 April 2015 Warm up Time O2 Output Value RS 485 CO2Meter com 0 25 vol 0 95 vol 0 0596 1 of measured value 0 0296 1 96 of measured value 2 full scale 24VDC 20VDC 600mA 9 24VDC gt 15 years No maintenance required 15 min instant measurements 4 20 mA linearly scaled 2 10VDC Optional Modbus Interface Pg 4 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Package Contents Please verify that your package contains the following items before using the unit Contents e 1 Meter e 1 Certificate of Calibration 1 User Manual e 1 Power supply e 1 2 Meter USB to RS 485 Cable e 1 Screen Breather Software Visit CO2Meter com and go to the Downloads page see link below to download our DAS or GasLab software free or for more information on how to connect configure and calibrate your meter For general information about the program please see the DAS or Gas Lab User Instruction Manual located in the website below http www co2meter com pages downloads IMPORTANT MAKE SURE TO INSTALL SOFTWARE BEFORE CONNECTING YOUR DEVICE TO YOUR COMPUTER By installing our software first you will ensure that the proper driver necessary for your unit is installed on your computer before connecting your meter Click on the Install Now link and then select Run when prompted by your browser as shown on below Minimum System Requirements To ut2. s as a heartbeat for transmitter operation E LED Error LED Will light if any abnormal conditions are detected within the device primarily the sensor falling out of its recommended operating specifications will trigger this lamp P LED Power LED Will be on continuously when power is applied to the unit Buttons The unit has three surface mount buttons above the LEDs on the PCB They can be gently and carefully pressed with your finger These buttons allow you to access all aspects of sensors operation and test or calibrate different functional modules 27 April 2015 Pg 6 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com CM 0134 amp CM 0160 E ERE fh LETITI Standard Operation The O2 transmitters comes factory calibrated for easy installation During its life cycle calibration may become periodically necessary We recommend performing a span O2 calibration every month for guaranteed operation and ensured accuracy No other calibration is necessary during the life cycle of the sensor Entering the Service Menu To enter the service menu the buttons must be pressed in a factory set order This code can be customized before shipment but by default will be 1 2 3 The buttons must be pressed within a half second of each other else the unit will return to standard operating mode When in the service menu the unit will not update the current O2 readings Once you enter the menu the dis
3. 2 10V are used so it can be determined if the transmitter is actually present Less than 4mA or 2V no transmitter not connected or no signal 27 April 2015 Pg 8 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Modbus RS 485 The sensor support MODBUS protocols over RS 485 unidirectional transmission at 9600kbps Address O or FE The following Modbus registers are available Input Registers 1 O2 Value x10 2 Raw ADC Value Holding Registers 1 02 Span Value 4 byte floating number part 1 O2 Span Value 4 byte floating number part 2 O2 Pot Value 4 20mA output Zero Value 4 20mA output Span Value 4 byte floating number part 1 4 20mA output Span Value 4 byte floating number part 2 Control Register Status Register eS LE A E The following commands are available 0x03 Read Holding Register 0x04 Read Input Register 0x06 Write Holding Register Powering the Unit The unit can be powered by hardwiring 24 VDC power through the MDCM 4FP 2M Cable included but sampling units can also be powered by the included 24VDC International wall power supply LCD Display The Liquid Crystal Display LCD screen shows the following features e CO2 in percentage format 4 for 10096 27 April 2015 Pg 9 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Theory of Operation The zirconia oxygen sensor utilizes solid state electrochemical reactions to produce a voltage propor
4. 84 1 3 Time Row 2 5 0 18 2012 21 51 06 0 10 07 18 2012 21 51 08 0 10 0 18 2012 21 51 10 0 10 07 8 2012 21 51 12 0 10 07 18 2012 21 51 14 0 10 CO2Meter office 0 E a m 0 o E Ready Selected Device Sensor K33 ICE Logger Real time capture Zero or Fresh Air Calibration Apply gas and select the appropriate concentration and Click the Calibrate button The sensor reading should instantly reflect the calibration NOTE DO NOT ADJUST THE SPAN VALUE Rev 27 April 2015 Pg 11 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Support The quickest way to obtain technical support is via email Please send all support enquires to support co2meter com n your email please include a clear concise definition of the problem and any relevant troubleshooting information or steps taken so far so we can duplicate the problem and quickly respond to your inquiry Warranty This unit comes with a 1YEAR warranty period limited manufacturer s warranty starting from the date the unit was shipped to the buyer During this period of time CO2Meter com warrants our products to be free from defects in materials and workmanship when used for their intended purpose and agrees to fix or replace at our discretion any part or product that fails under normal use To take advantage of this warranty the product must be returned to CO2Meter com at your expense If after exami
5. be accomplished in fresh air assumed to be 20 9 Periodic span calibration is the prefered way to ensure accurate readings for marry years of continuous operation Configure Intemal Sensor Check for Updates Calibration of the Oxygen Sensor In the desktop software application O2 can be calibrated individually The O2 sensor can be calibrated to 0 and then to 20 9 During normal operation 0 calibration of the oxygen transmitter should not be necessary Calibration can also be performed over MODBUS see additional documentation for MODBUS registers Rev 27 April 2015 Pg 10 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Calibration can be performed using either 096 CO2 calibration gas typically nitrogen Argon etc or using a fresh source of air assumed to be approximately 20 996 O2 Attach calibration gas to the unit and connect the unit to a personal computer Open the calibration screen in the DAS software Click the Calibrate button in the calibration tab for the desired gas located in the Configure Sensor screen As long as the gas concentration is stable the unit should instantly reflect the calibrated value This can be confirmed by watching the display To see the calibration value in real time click in the Collect Real time button to capture these values before opening the configuration screen EINE DCN 4 m EY e 73 73 3 A 2 CO2Meter Office 03 02
6. e voee 8 MODBUS 7 co m 9 9 MOLDING REGISTERS 2 9 POWERING THE UNIT EY 9 ECO DISPLAY orria E EE 9 THEORY OF OPERATION 10 10 CALIBRATING USING MODBUS OR PC CONNECTION 10 SUPPORT 12 WARRANTY ose cose cousin 12 RETURNS mee 12 Hip 13 CONTACTUS T 13 27 April 2015 Pg 2 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Welcome Thank you for purchasing the TR250Z Oxygen Sensor The TR250Z is a long life 25 or 9596 oxygen level transmitter that provides multiple analog linear outputs of O2 concentrations It s designed to be a rugged maintenance free add on for OEMs or can be used as a desktop device In addition it can be calibrated in normal air or can use a calibration gas of any known oxygen concentration Our goal is to make high quality low cost gas detection and indoor air quality products available to you Please take some time to read through this manual in order to get the most out of your me
7. i Te oy S CTR TT t Indoor Air Quality Products User Manual TR250Z Oxygen Sensor CM 0134 25 O2 Transmitter CM 0134 WT 25 O2 Transmitter with Tube Sampling CM 0150 2596 O2 with Mount Shield CM 0160 9590 O2 Transmitter CM 0160 WT 9590 O2 Transmitter with Tube Sampling CM 0161 9590 O2 with Mount Shield Copyright 2015 CO2 Meter All Rights Reserved TR250Z Oxygen Transmitter Manual CO2Meter com Table of Contents WELCOME 3 IMPORTANT SAFEGUARDS isc RE SUFRE 3 DEVICE SPECIFICATIONS oe cinq sin Edu EU 4 diim Picisesh gpl prec 5 SO PIV RE ee n 5 MINIMUM SYSTEM REQUIREMENTS ceres nennen nnne nennen nennen nnne 5 gue TART GUIDE C 6 Rd iue c 6 STANDARD 2 2 7 ENTERING THE SERVICE 7 PERFORMING AN ATMOSPHERIC SPAN 7 PERFORMING 0 OXYGEN ZERO POINT CALIBRATION 8 TERMINAL CONNECTOR S 2 2 Fx UNE NY EXHNESE FUEMEFEgENUE YE Or 8 OUTPUT OPTIONAL 555555 5 5 5 135r Ese 0n Sea qe ev De cu a po uy uoa Se c
8. ilize our free software your computer must meet the following requirements e Windows XP SP3 or higher e Microsoft Net Framework 3 5 5 1 e Pentium 4 or newer operating at 2 4Ghz or faster e 1 of Random Access Memory RAM e Hard disk space with at least 20 Megabytes MB free 200 recommended for logs and application files Software is compatible with 64 bit operating systems and is fully tested with Windows 27 April 2015 Pg 5 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com 2 Indoor Air Quality Products Software amp Documentation Downloads Data Acquisition System DAS Software Install Now Serer OJE MM tA 2 0040 0 amp 00 8 5001135 Ls 9 5096 0000 4492011702 lop m Amoaprerc Install DAS online Internet Explorer 9 shown Quick Start Guide Make sure you read through these instructions thoroughly before using your meter This guide will help you familiarize with your meter in order to be as productive as you need to be in the least amount of time possible Description Display Main interface to view current sensor readings and menu state Will blink STRT upon applying power while the sensor warms up and stabilizes LEDs are in for lower right corner of the unit on the main PCB and are labeled S E and P S LED Status LED Blinks every time a complete measurement cycle is performed and the value is updated Serve
9. nation we determine the product is defective we will repair or replace it at no additional cost to you This warranty does not cover any products that have been subjected to misuse neglect accident modifications or repairs by you or by a third party No employee or reseller of CO2Meter com s products may alter this warranty verbally or in writing Returns If the product fails under normal use during the warranty period an RMA Return Material Authorization number must be obtained from CO2Meter com After the item is received CO2Meter com will repair or replace the item at our discretion To obtain an RMA number please call CO2Meter com at 877 678 4259 When requesting an RMA number please provide the reason for return and original order number If we determine that the product failed due to improper use water damage dropping tampering electrical damage etc or abuse or if it is beyond the warranty period we will inform you of the cost to fix or replace your device If you are returning your device due to a warranty claim with an RMA number and you still have the unit original package please use it to ship your unit to us Please make sure to include the provided RMA number on the outside of the box preferably on the shipping label Make sure you secure the unit inside the package properly to prevent any damage during transit that could void your device s warranty Finally please ship your device to the address shown under
10. play will read 1234 or 2222 Performing an Atmospheric Span Calibration Allow sensor to stabilize for at least 1 hour Ensure the sensor is exposed to fresh air Enter the service menu when you press 123 one after another in that sequentially The display will show 1234 flashing indicating that you are in the service menu Press 2 to enter the Oxygen submenu Press 2 again to perform the atmospheric calibration Press 3 to escape SEP e S Rev 27 April 2015 Pg 7 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Performing 0 Oxygen Zero Point Calibration Allow sensor to stabilize for at least 1 hour Screw on the calibration adapter Apply N2 calibration gas Wait 5 minutes for stable readings Enter the service menu when you press 123 one after another in that sequentially The display will show 1234 flashing indicating that you are in the service menu Press 2 to enter the Oxygen submenu Press 1 to calibrate Press 3 to escape UP LP LESE E df Terminal Connectors VDC G G O2 4 20mA SIG GND RS 485 INTERFACE A B GND RESET RST VDC 4 20 RS 485 0 10V Output Optional To get a 10 volt span 2 10 volt in practice from a 4 20 mA line add a 500 ohm resistor from signal to ground 500 ohms x 004 amps 2 volts and 500 ohms x 020 amps 10 volts Install the resistor at the receiving end as this eliminates all voltage drops from resistance in the wire 4 20mA and
11. ter Make sure to visit our website regularly to find more information about this product and to download the software free Once you download and install the software you can use the Check for updates function under the Help menu to search for new updates Please also pay special attention to the important safeguards shown on the pages ahead I mportant Safeguards To reduce the risk of fire electrical shock and or injury to persons basic safety precautions should always be followed when using electrical appliances including the following READ ALL INSTRUCTIONS BEFORE USING THIS DEVICE Use only the supplied power supply to operate the unit Ensure that when sampling in a closed environment that the tubes are securely fashioned to the device Do not operate with a blocked off sample path 5 Do not operate the device if it is malfunctioning Do not install the device outside in exposed conditions Due to the nature of the design the enclosure cannot be made water tight and the unit must not be exposed to water 7 Donotoperate the device with the cover detached SAVE THESE INSTRUCTI ONS 27 April 2015 Pg 3 of 13 TR250Z Oxygen Transmitter Manual Device Specifications Measuring Range Repeatability Accuracy Power Supply 25 O2 9576 O2 0 25 CO2 0 95 O2 2596 9596 Maximum Voltage Minimum Voltage Power Consumption Sensor Ratings Life Expectancy Maintenance Interval Outputs
12. the Contact Us section below CO2Meter com will not under any circumstances be responsible for your shipment expenses and no refund will be issued for shipping charges necessary for you to ship the unit to us 27 April 2015 Pg 12 of 13 TR250Z Oxygen Transmitter Manual CO2Meter com Liability All liabilities under this agreement shall be limited to the actual cost of the product paid to CO2Meter com In no event shall CO2Meter com be liable for any incidental or consequential damages lost profits loss of time lost sales or loss or damage to data injury to person or personal property or any other indirect damages as the result of use of our products Contact Us We are here to help If the troubleshooting guide above doesn t help you solving your problem or for more information please contact us using the information below gt support 2co2meter com V 877 678 4259 Toll free M F 9 00am 6 00pm EST 866 422 2356 www co2meter com Address CO2Meter 131 Business Center Building A Unit 3 Ormond Beach FL 32174 Rev 27 April 2015 Pg 13 of 13
13. tional to the current oxygen This voltage is then digitalized and filtered to a usable value The oxygen sensor has also been factory calibrated to meet specifications Calibration The calibration process varies depending on the type of unit and whether it has optional data logging functionality or not All units are factory calibrated with multiple reference points of gas and have been verified to be accurate within their specific functionality before shipment However if the unit is severely jolted or otherwise mechanically disturbed the sensor can drift requiring recalibration All calibration procedures follow a single point calibration routine that effectively shifts the zero point of the O2 sensor Calibrating using MODBUS or PC Connection You can Download the software directly and free from this link in our website http www co2meter com pages downloads More precise calibrations can be performed using the PC connection The unit can be attached to a PC using an optional USB to RS 485 cable available on our website or via a mini USB cable to the internal USB connection Configure your Device WARNING Zero calibration should only be performed with a nitrogen source attached to the unit Failured to so will result in sensor readings that have significance and unit will retum inaccurate data until zero calibrated with nitrogen sent back to CO2Meter for professional calibration INFO Span calibration can
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