Vaisala Carbocap GM70 User Manual
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Vaisala Carbocap GM70 User Manual

Vaisala Carbocap GM70 User Manual

Hand-held carbon dioxide meter
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USER'S GUIDE
Vaisala CARBOCAP® Hand-Held
Carbon Dioxide Meter
GM70
M010139EN-F

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Summary of Contents for Vaisala Carbocap GM70

  • Page 1 USER'S GUIDE Vaisala CARBOCAP® Hand-Held Carbon Dioxide Meter GM70 M010139EN-F...
  • Page 2 The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user. All legally binding commitments and agreements are included exclusively in the applicable supply contract or Conditions of...

  • Page 3: Table Of Contents

    Trademarks ................7 License Agreement ..............7 Warranty..................8 CHAPTER 2 PRODUCT OVERVIEW.................. 9 ® Introduction to Vaisala CARBOCAP Hand-Held Carbon Dioxide Meter GM70 ..............9 Basic Features of the GM70 ..........9 Interchangeable Probes ............10 Tool for Adjustments ............10 Parts Description..............
  • Page 4 Deleting All Recorded Files ...........37 Transferring Recorded Data to PC ........38 CHAPTER 9 FIELD CHECKING OF FIXED TRANSMITTERS.........39 Field Checking of the Vaisala GMD/W20 Series Transmitters (Diffusion Sampling)........39 Field Checking of the Vaisala GMD/W20 Series Transmitters (Pump Aspirated Sampling) ......40 Field Checking of the GMT220 (Without a Display) ....42...
  • Page 5 Changing the Probe Filter ............. 54 Cleaning .................. 54 Changing the Battery Pack............ 54 Technical Support ..............55 Return Instructions ..............56 Vaisala Service Centers............57 CHAPTER 13 TECHNICAL SPECIFICATIONS..............59 GM70 Hand-Held Carbon Dioxide Meter ......59 General................59 Electromagnetic Compatibility..........
  • Page 6 USER'S GUIDE____________________________________________________________________ Figure 11 Device Information Displays .............30 Figure 12 Other Settings Menu..............31 Figure 13 Selecting Analog Output............33 Figure 14 Recording Data.................35 Figure 15 Location of the MI70 Connector Ports........39 Figure 16 Location of the Adjustment Button ...........44 Figure 17 Field Check Adapter ..............46 Figure 18 Detaching the Probe..............54...

  • Page 7: Chapter 1 General Information

    Hand-Held Carbon Dioxide Meter GM70. Feedback Vaisala Customer Documentation Team welcomes your comments and suggestions on the quality and usefulness of this publication. If you find errors or have other suggestions for improvement, please indicate the chapter, section, and page number. You can send comments to us by e-mail: manuals@vaisala.com...

  • Page 8: Product Related Safety Precautions

    ESD Protection Electrostatic Discharge (ESD) can cause immediate or latent damage to electronic circuits. Vaisala products are adequately protected against ESD for their intended use. However, it is possible to damage the product by delivering electrostatic discharges when touching, removing, or inserting any objects inside the equipment housing.

  • Page 9: Recycling

    Microsoft Corporation in the United States and/or other countries. License Agreement All rights to any software are held by Vaisala or third parties. The customer is allowed to use the software only to the extent that is provided by the applicable supply contract or Software License Agreement.

  • Page 10: Warranty

    Products should Vaisala so require, be sent to the works supplied hereunder, which obligations of Vaisala or to such other place as Vaisala may liabilities are hereby expressly cancelled and indicate in writing, freight and insurance waived. Vaisala's liability...

  • Page 11: Chapter 2 Product Overview

    The GM70 hand-held carbon dioxide meter measures volume concentration of CO gas and displays the result in the units of ppm or percentage %. The exceptional stability and reliability performance of the GM70 comes from the advanced silicon based Vaisala ® CARBOCAP sensor.

  • Page 12: Interchangeable Probes

    USER'S GUIDE____________________________________________________________________ Interchangeable Probes By selecting the right probe you can choose the measuring range that best fits for your application. The calibrated measuring ranges varies from 0...2000 ppm to 0 ... 20% concentrations of CO . Refer to Chapters 2 and 13 for more details. For changing the measuring range you only have to change the probe.

  • Page 13: Parts Description

    Chapter 2 __________________________________________________________ Product Overview Parts Description 0505-221 Figure 1 GM70 Parts The following numbers refer to Figure 1 on page 11 above: MI70 indicator Recharger connector VAISALA _______________________________________________________________________ 11...

  • Page 14: Probes

    USER'S GUIDE____________________________________________________________________ Connector ports I and II for probes and cables Probe GMP221 or GMP222 Probe fastener Handle GMH70 Adjustment button Gas outlet ON/OFF switch 10 = Gas inlet 11 = Measuring chamber 12 = Probe GMP221 or GMP222 13 = Probe connector 14 = Connector to MI70 indicator...

  • Page 15: Preparations Before Use

    - Duration of recharging depends on the charge level of the battery pack being 4 hours typical. The recommended first recharging time is 6 hours. The battery pack is full when the battery symbol stops to roll. Disconnect the recharger. VAISALA _______________________________________________________________________ 13...

  • Page 16: Turning On And Setting Language, Date, And Time

    USER'S GUIDE____________________________________________________________________ Turning On and Setting Language, Date, and Time Connect the probe handle (or the connector from the GM70PUMP) to either of the connector ports of the indicator. Press the button. Select the language by using buttons. Confirm by pressing SELECT The default date presentation format is:...

  • Page 17: Measuring Carbon Dioxide

    15 minutes to reach the full operating state of the GM70. Install the probe to the measuring position. Avoid exhaling near the probe as this increases the CO concentration. The basic display opens, allow the reading to stabilize. VAISALA _______________________________________________________________________ 15...

  • Page 18: Taking Measurements (Pump Aspirated Sampling)

    USER'S GUIDE____________________________________________________________________ Handle the probe carefully. Strong impact or falling can damage the CAUTION probe. If you need to disconnect the probe, first press POWER ON/OFF button to turn the indicator OFF. This ensures that all settings and data are saved properly. Taking Measurements (Pump Aspirated Sampling) See Chapter 3 Preparations Before Use on page 13 if you start the...

  • Page 19: Figure 2 Properly Connecting The Gm70Pump

    When using the pump aspirated system it is recommended to power NOTE the system by using the recharger connected to a wall socket. The battery indicator of the MI70 display does NOT show the actual NOTE recharge level when the pump is in operation. VAISALA _______________________________________________________________________ 17...

  • Page 20: Measuring Other Parameters Simultaneously

    USER'S GUIDE____________________________________________________________________ Measuring Other Parameters Simultaneously Connect Vaisala interchangeable dewpoint (DMP) or humidity (HMP) probe to the MI70 indicator's other connector port to have simultaneous humidity measurement. Connect the DMP70/HMP70 probe to the other connector port in the bottom of the indicator.

  • Page 21: Buttons, Displays, And Menus

    Buttons and Navigation 0505-224 Figure 4 MI70 Indicator Buttons The following numbers refer to Figure 4: To open a menu view: - Press an arrow button - Press this shortcut button Shortcut buttons Arrow buttons Power ON/OFF VAISALA _______________________________________________________________________ 19...

  • Page 22: Basic Display

    USER'S GUIDE____________________________________________________________________ Press down and hold the button (1) until the POWER ON/OFF indicator turns on/off. Press the buttons (2) to activate the function above SHORTCUT the button. Press any of the buttons (3) to open the path for the ARROW .

  • Page 23: Graphical Display

    If this happens, start with item 1 MENU again. Move in the menus by using buttons. Select the item with button. Press to return to the previous level. returns back to normal operation. EXIT VAISALA _______________________________________________________________________ 21...

  • Page 24: Figure 6 Menus

    USER'S GUIDE____________________________________________________________________ 0505-226 Figure 6 Menus The following numbers refer to Figure 6 above: Main menu Display menu Functions menu Recording/Viewing menu Environment menu Settings menu 22 __________________________________________________________________ M010139EN-F...

  • Page 25: Chapter 6 Settings

    , press UNIT Set the pressure value by using buttons. Press save the value. Press to change the pressure unit. Default unit is hPa. UNIT Press to return to the basic display. EXIT 0505-227 Figure 7 Environment Menu VAISALA _______________________________________________________________________ 23...

  • Page 26: Setting Actual Temperature Value And Unit

    USER'S GUIDE____________________________________________________________________ Setting Actual Temperature Value and Unit For achieving the most accurate measurements, the actual temperature value should be set to the GM70. The acceptable temperature range is -20...60ºC. Follow the instructions below: Open the , press MENU OPEN. Select with press...

  • Page 27: Rounding

    EXIT Hold/Save Display Hold/Save function enables you to freeze a certain display reading. This reading can be saved into the memory. Open the , press MENU OPEN. Select , press ►Display Select display. Hold/Save VAISALA _______________________________________________________________________ 25...

  • Page 28: Graphic History

    USER'S GUIDE____________________________________________________________________ Press to freeze the display. The frozen measurement HOLD data is displayed. Press to save the reading and to return to the SAVE EXIT basic display. You can save several readings with function. The first HOLD-SAVE saved reading is data point 1, the second saved reading is data point 2 etc.

  • Page 29: User Interface

    In case you want to change the inactivity time setting to 60 minutes or turn off the automatic power off function, follow the instructions below: Open the , press MENU OPEN. Select , press ►Settings VAISALA _______________________________________________________________________ 27...

  • Page 30: Changing The Shortcut Keys

    USER'S GUIDE____________________________________________________________________ Select , press ►User interface Select , press Auto power off Select the choice you want, press SELECT Press to return to the basic display. EXIT Changing the Shortcut Keys By default the three shortcut keys refer to the functions Graphic, Hold/Save and Record.

  • Page 31: Key Click And Backlight On Key Press

    12-hour clock, press ON/OFF Press EXIT Device Information The basic information about the indicator and the probe is found as follows: Open the , press MENU OPEN. Select , press ►Settings VAISALA _______________________________________________________________________ 29...

  • Page 32: Reverting Factory Settings

    Software version of the MI70 indicator Serial number of the MI70 indicator Software version of the probe Location of the last adjustment (alternatives: Vaisala, GM70, or GMK220) Reverting Factory Settings Factory settings of the indicator only can be reverted to clear all changed settings and data memory of the indicator.

  • Page 33: Other Settings

    A note picture sign appears on the upper left corner of the basic display. When the alarm level is reached, you can stop alarming by pressing . To reactivate the alarm function, answer To stop the alarm function completely, answer VAISALA _______________________________________________________________________ 31...
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  • Page 35: Analog Output Connection

    62. One scalable voltage signal channel 0...1.0V is available. You can scale the output to any output range but it is recommended to have the scaling within the probe's measuring range to get accurate measurements. VAISALA _______________________________________________________________________ 33...
  • Page 36 USER'S GUIDE____________________________________________________________________ Connect the analog output signal cable connector to the indicator base connector. Connect the screw terminal block as follows: Brown wire: common wire (-) Yellow-green wire: signal (+) Open the , press MENU OPEN. Select , press ►Functions Select , press ►Analog output...

  • Page 37: Chapter 8 Recording Data

    MENU select ►Recording/Viewing Select , press ►Record data To change interval, select , press Interval Select the measurement interval with the arrow buttons. The measurement intervals and the maximum recording times are shown in the following table. VAISALA _______________________________________________________________________ 35...

  • Page 38: Stop Recording

    USER'S GUIDE____________________________________________________________________ Measurement interval Maximum recording duration (= memory full) 1 second 45 minutes 5 seconds 3 hours 15 seconds 11 hours 30 seconds 22 hours 1 minute 45 hours 5 minutes 9 days 15 minutes 28 days 30 minutes 56 days 1 hour 113 days...

  • Page 39: Viewing Recorded Data

    The data memory can be cleared as follows: Open the , press MENU OPEN. Select , press ►Recording/Viewing Select , press . Press to confirm Clear data memory CLEAR deletion of all recorded data files. To return to the basic display, press EXIT VAISALA _______________________________________________________________________ 37...

  • Page 40: Transferring Recorded Data To Pc

    The recorded data can be transferred to a PC by using the MI70 Link program. The MI70 Link program can be ordered from Vaisala, see list of accessories on page 62. You can examine the recorded data easily in Microsoft Windows® environment and further transfer it into a spreadsheet program (such as Microsoft Excel®...

  • Page 41: Field Checking Of Fixed Transmitters

    Chapter 9 ___________________________________________ Field Checking of Fixed Transmitters CHAPTER 9 FIELD CHECKING OF FIXED TRANSMITTERS Field Checking of the Vaisala GMD/W20 Series Transmitters (Diffusion Sampling) 0505-235 Figure 15 Location of the MI70 Connector Ports The following number refers to Figure 15 above:...

  • Page 42: Field Checking Of The Vaisala Gmd/W20 Series Transmitters (Pump Aspirated Sampling)

    Compare the readings. In case there is a need for an adjustment, send the transmitter to a Vaisala Service Center to be adjusted or make an adjustment by using a calibration software kit (19222GM).
  • Page 43 Turn on the MI70 indicator and the GM70PUMP. Compare the readings. In case there is need for an adjustment, send the transmitter to a Vaisala Service Center to be adjusted or make an adjustment by using a calibration software kit (19222GM).

  • Page 44: Field Checking Of The Gmt220 (Without A Display)

    Compare the readings of the GM70 and the transmitter probe to be checked. If there is need for an adjustment, please contact Vaisala Service Center or adjust the probe according to the instructions in Chapter 10 Calibrating and Adjusting the Probes on page 43.

  • Page 45: Calibrating And Adjusting The Probes

    Factory Calibration and Adjustment It is recommended to send the GM70 probe to Vaisala Service Centers for accurate calibration and adjustment, see contact information on page 56.

  • Page 46: Calibration And Adjustment By The User

    USER'S GUIDE____________________________________________________________________ Calibration and Adjustment by the User The GM70 can be calibrated and fine control adjustment can be carried out by the user. Note that this adjustment does not correspond to the accurate factory adjustment. The user adjustment is recommended only if the reading error is less than 10% of the measuring range in the low-end and less than 20% of the measuring range in the high-end.

  • Page 47: Adjustment With Reference Gases

    For the adjustment procedure with gases, you need the probe to be adjusted, accurate reference gas(es), a pressure regulator, a flow meter, a field check adapter (can be ordered from Vaisala) and flexible tubing with 3 mm (1/8") inner diameter.

  • Page 48: Figure 17 Field Check Adapter

    USER'S GUIDE____________________________________________________________________ Insert the probe into the field check adapter until the perforated filter is covered. 0505-237 Figure 17 Field Check Adapter Connect the tubing to the bottom port of the adapter. Connect the adapter with the tubing to the flow meter, the pressure regulator and further to the low-end reference gas bottle.

  • Page 49: One-Point Adjustment Procedure

    You cannot revert the factory settings after the adjustment! Insert the probe into the field check adapter (as deep as possible, the perforated filter cover should be completely inside the adapter). Connect the tubing to the bottom port of the adapter. VAISALA _______________________________________________________________________ 47...
  • Page 50 USER'S GUIDE____________________________________________________________________ Connect the adapter with the tubing to the flow meter, the pressure regulator and further to the reference gas bottle. The side port of the adapter is left open for gas outflow. Let the reference gas flow and stabilize with a flow rate of 0.6 l/min.

  • Page 51: Adjustment With Two Probes

    Go back and press to select ADJUST the adjustment method. Select , press To same as CO2 SELECT Adjustment is complete. Press to return to the basic BACK-EXIT display. Replace the screw onto the adjusting button. VAISALA _______________________________________________________________________ 49...
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  • Page 53: Chapter 11 Error Messages

    This message can be caused by a considerable high drifting error of the probe. Please, contact Vaisala or send the probe to Vaisala Service, see page 56. The reference concentration can be at the highest 110% of the maximum Value too high value of the probe's measuring range.
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  • Page 55: Chapter 12 Maintenance

    Insert a new probe to the handle as deep as possible. Turn the probe inside the handle until you feel that a step in the probe connector snaps into the groove of the probe handle connector and locks the probe. Tighten the probe fastener. Turn on the GM70. VAISALA _______________________________________________________________________ 53...

  • Page 56: Changing The Probe Filter

    Unscrew the probe fastener (about 5 turns). Pull the probe out firmly. Changing the Probe Filter Spare filters for the probe can be ordered from Vaisala, see list of accessories on page 62. Remove the plastic grid by pulling it out.

  • Page 57: Technical Support

    0505-239 Figure 19 Installing the Battery Pack Technical Support For technical questions, contact the Vaisala technical support: E-mail helpdesk@vaisala.com Phone (int.) +358 9 8949 2789 +358 9 8949 2790...

  • Page 58: Return Instructions

    Include the information specified in step 2 in the box with the faulty product. Also include a detailed return address. Ship the box to the address specified by your Vaisala contact. 56 __________________________________________________________________ M010139EN-F...

  • Page 59: Vaisala Service Centers

    Chapter 12 _____________________________________________________________ Maintenance Vaisala Service Centers VAISALA _______________________________________________________________________ 57...
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  • Page 61: Technical Specifications

    GMP221 0 … 2%, 0 … 3%, 0 … 5%, 0 … 10%, 0 … 20% GMP222 0 … 2000 ppm, 0 … 3000 ppm, 0 … 5000 ppm, 0 … 7000 ppm, 0 … 10000 ppm VAISALA _______________________________________________________________________ 59...

  • Page 62: Gmh70 Handle, Gm70Pump

    USER'S GUIDE____________________________________________________________________ Table 5 Accuracy Specifications Accuracy (including repeatability, non-linearity and calibration uncertainty) at 25°C and 1013 hPa. Probe Accuracy GMP221 ±[1.5% of range + 2% of reading] Accuracy specification applies for concentrations above 2% of full scale GMP222 ±[1.5% of range + 2% of reading] Property Description / Value Temperature dependence,...

  • Page 63: Mi70 Indicator

    (one up to a month, depending on logging interval probe) when pump is on better than 5 h at +20°C without load Power consumption during 10 W max charge Charging time 4 hour typical VAISALA _______________________________________________________________________ 61...

  • Page 64: Accessories

    USER'S GUIDE____________________________________________________________________ Accessories Table 10 Accessories Table Description Order Code Euro AC-adapter MI70EUROADAPTER UK AC-adapter MI70UKADAPTER US AC-adapter MI70USADAPTER AUS AC-adapter MI70AUSADAPTER Measurement indicator (battery pack MI70 included) Analog output signal (0 … 1 VDC) cable 27168ZZ Connection cable for fixed CO GMA70 instruments (GMT220, GMM220, GMD20 and GMW20)

  • Page 65: Dimensions In Mm (Inch)

    Chapter 13 ____________________________________________________ Technical Specifications Dimensions in mm (inch) 0505-240 Figure 20 Dimensions VAISALA _______________________________________________________________________ 63...
  • Page 66 USER'S GUIDE____________________________________________________________________ 64 __________________________________________________________________ M010139EN-F...
  • Page 68 *M010139EN*...

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