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Summary of Contents for Vaisala CARBOCAP GM K220
- Page 1 USER'S GUIDE Vaisala CARBOCAP® Carbon Dioxide Calibrator for the GMP220 series probes GM K220 U421EN-1.1...
- 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...
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Page 3: Table Of Contents
Warranty ................2 CHAPTER 2 PRODUCT DESCRIPTION ..............3 Introduction ................ 3 GMK220 Calibrator for the GMP220 Series Probes..... 4 Additional equipment ............5 CHAPTER 3 OPERATION................... 6 Spot checking ..............6 Two-point calibration............9 CHAPTER 4 TECHNICAL DATA................13 VAISALA _____________________________________________________________________________1... -
Page 4: Chapter 1 General Information
Note highlights important information on using the product. NOTE Warranty Vaisala issues a guarantee for the material and workmanship of this product under normal operating conditions for one year from the date of delivery. Exceptional operating conditions, damage due to careless handling or misapplication will void the guarantee. -
Page 5: Chapter 2 Product Description
The GMK220 calibrator (Figure 1) is intended for spot checking and two-point calibration of the carbon dioxide probes GMP221 and GMP222, which currently are used in Vaisala's GMT220 and GMM220 series CO transmitters. GMK220 can be used for... -
Page 6: Gmk220 Calibrator For The Gmp220 Series Probes
User's Guide __________________________________________________________________________ GMK220 Calibrator for the GMP220 Series Probes 1. Probe to be checked (not included) 2. Probe connector and the cable 3. Rotameter 4. Flow adjustment screw 5. Chamber (including 0-ring 18.3x2.4 NBR 70 ShA,) 6. Gas inlet 7. -
Page 7: Additional Equipment
NIST). High end Mixture of CO and N gases calibration gas concentration shall be 95...105 % of the measuring range of the probe. Accuracy shall be 1 % (or better). Traceable to appropriate standards (for example NIST). VAISALA _____________________________________________________________________________5... -
Page 8: Chapter 3 Operation
4. Connect the 24 VDC supply power to the connectors (items 9 and 10, Figure 1). 5. The following (or similar) text appears in the terminal window on the PC screen (program version number can be updated): GMT220A - Version: STD 4.08 Copyright: Vaisala Oyj,1997-2000 > > 6 __________________________________________________________________________ U421EN-1.1... - Page 9 = temperature is given in tenths of °C (25 °C = 250). Example: >MF_TEMP 250 <cr> MF_TEMP=250 > 10. List the carbon dioxide concentration. MF_MODE 2< > Example: >MF_MODE 2<cr> MF_MODE=2 1620.1 1618.3 1619.8 1619.8 The carbon dioxide concentration (in ppm) is measured every 0.5 seconds. VAISALA _____________________________________________________________________________7...
- Page 10 Two- point calibration. 13. Disconnect the gas flow and remove the probe from the chamber. NOTE If the error of the output reading for some reason is more than 20%, please send the probe to Vaisala for service. 8 __________________________________________________________________________ U421EN-1.1...
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Page 11: Two-Point Calibration
The following (or similar) text appears in the terminal window on the PC screen (number of the program version can be updated): GMT220A - Version: STD 4.08 Copyright: Vaisala Oyj, Matti Kokki, 1997-2000 > Let the calibrator settle for 10 minutes. - Page 12 User's Guide __________________________________________________________________________ 9. Give the input data for the calibration. CALICALI L <sample quantity><CO concentration > <P ><T ><cr> ambient ambient where CO concentration is given in ppm, P is pressure given in ambient hPa and T is temperature given in C. ambient The sample quantity determines the number of measurements of which averages are calculated.
- Page 13 = 1218.396783 Tx Std = 1.837117 PC_METHOD=3 PC_R0=1138.306737 PC_T0=485.501432 PC_RS=1138.306737 PC_TS=1958.435059 High gas ( 30000.0 ppm) ready. Two point calibration completed. > 13. As the calibration is completed, save the calibration parameters to the non-volatile memory in the probe. VAISALA ____________________________________________________________________________11...
- Page 14 User's Guide __________________________________________________________________________ PROBE_SAVE< > >PROBE_SAVE<cr > New calibration parameters are now saved in the probe. 14. Disconnect the gas flow and remove the probe from the chamber. After two-point calibration it is recommended to ensure the correct operation of the probe by carrying out a spot checking procedure using both low and high end gases.
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Page 15: Chapter 4 Technical Data
Chapter 4_________________________________________________________________ Technical data CHAPTER 4 TECHNICAL DATA Operating temperature range +15...30ºC Dimensions 20 x 18 x 16 (height) cm Materials Metal frame Anodised aluminium Probe chamber POM plastic Transmitter body ABS plastic Weight about 2,5 kg Supply voltage 24 VDC VAISALA ____________________________________________________________________________13... - Page 18 *U421EN*...
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