Summary of HMK15
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User's guide vaisala humidity calibrator hmk15 m210185en-c.
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Published by vaisala oyj phone (int.): +358 9 8949 1 p.O. Box 26 fax: +358 9 8949 2227 fin-00421 helsinki finland visit our internet pages at http://www.Vaisala.Com/ © vaisala 2006 no part of this manual may be reproduced in any form or by any means, electronic or mechanical (including photocopying)...
Page 3: Table of Contents
___________________________________________________________________ vaisala _____________________________________________________________________ 1 table of contents chapter 1 general information....................................................... 3 about this manual.................................
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User's guide ________________________________________________________ 2 _________________________________________________________________ m210185en-c chapter 5 maintenance ..................................................................... 31 chapter 6 spare parts and accessories.....................
Page 5: General Information
Chapter 1 ___________________________________________ general information vaisala _____________________________________________________________________ 3 chapter 1 general information this chapter provides general notes for the manual and the product. About this manual this manual provides informati...
Page 6: Feedback
User's guide ________________________________________________________ 4 _________________________________________________________________ m210185en-c feedback vaisala customer documentation team welcomes your comments and suggestions on the quality and usefulness of this publication. If you find err...
Page 7: Recycling
Chapter 1 ___________________________________________ general information vaisala _____________________________________________________________________ 5 recycling recycle all applicable material. Dispose of batteries and the unit according to statutory regulations. Do not dispose of with regular ho...
Page 8: Warranty
User's guide ________________________________________________________ 6 _________________________________________________________________ m210185en-c warranty vaisala hereby represents and warrants all products manufactured by vaisala and sold hereunder to be free from defects in workmanship or mate...
Page 9: Product Overview
Chapter 2 _____________________________________________product overview vaisala __________________________________________________________ 7 chapter 2 product overview introduction to vaisala humidity calibrator hmk15 general the hmk15 humidity calibrator has been developed for calibration and check...
Page 10: Figure 1
User's guide ________________________________________________________ 8 ______________________________________________________m210185en-c calibration is usually performed at least at two different humidities to ensure the sensor accuracy over the entire humidity range (0 … 100 %rh). The hmk15 calibr...
Page 11: Salt Package Calibration
Chapter 2 _____________________________________________product overview vaisala __________________________________________________________ 9 6 = * ready-dosed salt package with calibration certificate 7 = calibration certificate for thermometer 8 = * ion-exchanged water 9 = measurement cup 10 = meas...
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Page 13: General Instructions
Chapter 3 _____________________________________preparing the salt solutions vaisala _________________________________________________________ 11 chapter 3 preparing the salt solutions general instructions - prepare the salts using the equipment provided with the calibrator or make sure that all acce...
Page 14: Preparing The Solutions
User's guide ________________________________________________________ 12 _____________________________________________________m210185en-c - at the bottom of the salt chamber there must not be more than 1 cm of undissolved salt and liquid. Otherwise, the sensor to be calibrated can be immersed into t...
Page 15: Figure 2
Chapter 3 _____________________________________preparing the salt solutions vaisala _________________________________________________________ 13 potassium sulphate generates a reference humidity of approximately 97 %rh. Potassium sulphate is used as the wet end reference (gain) for probes measuring ...
Page 16: Figure 3
User's guide ________________________________________________________ 14 _____________________________________________________m210185en-c 0606-166 figure 3 pour a correct dose of ion exchanged water into the chamber; dry the measurement cup 3. Sprinkle the contents of a salt package (or measure the ...
Page 17: Figure 4
Chapter 3 _____________________________________preparing the salt solutions vaisala _________________________________________________________ 15 0606-167 figure 4 sprinkle a correct dose of salt into the chamber stirring constantly 4. When all salt has been sprinkled into the chamber, the saturated ...
Page 18: Figure 5
User's guide ________________________________________________________ 16 _____________________________________________________m210185en-c 0606-168 figure 5 close the chamber with the chamber cover 6. Fasten the salt chamber on the holder in the base plate and close the measurement holes with rubber ...
Page 19: Figure 6
Chapter 3 _____________________________________preparing the salt solutions vaisala _________________________________________________________ 17 0606-169 figure 6 mark the chamber and covers with stickers 8. Allow approximately 24 hours for stabilization before use so that the salt solution reaches ...
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Page 21: Instructions For The
Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 19 chapter 4 instructions for the calibration of humidity instruments general instructions usually, the errors during humidity calibration are due to ...
Page 22: Note
User's guide ________________________________________________________ 20 _____________________________________________________m210185en-c note even the smallest water drop on the probe near the sensors distorts the readings. Make sure that chamber covers and plugs are carefully closed. 0606-170 figu...
Page 23: Thermometer
Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 21 thermometer the calibrator includes a thermometer which can contain either mercury or red capillary liquid. If the thermometer contains mercury, it...
Page 24: Figure 9
User's guide ________________________________________________________ 22 _____________________________________________________m210185en-c during calibration, the thermometer is inserted into the 13.5 mm hole of a salt chamber. Press it downwards until it passes the o-rings. The thermometer is correc...
Page 25: In Use
Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 23 0606-173 figure 10 place the thermometer in holders when not in use calibration perform the calibration according to the following instructions: - ...
Page 26: Caution
User's guide ________________________________________________________ 24 _____________________________________________________m210185en-c - take off the grid or filter protecting the sensor. Take care not to damage the sensor. - some 12 mm probes need a adapter fitting to fit into the 13.5 mm hole. ...
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Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 25 - insert the probe into a suitable hole of the nacl (or k 2 so 4 ) salt chamber. The shorter the time the hole stays open before inserting the prob...
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User's guide ________________________________________________________ 26 _____________________________________________________m210185en-c on-site calibrations and transportation the hmk15 calibrator is easily trasferred from one place to another. Two o-rings seal the transit cover on the chamber. Th...
Page 29: Note
Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 27 transportation temperature is below +18 °c, the licl salt chamber should be transported separately to keep the solution warm. - when the calibrator...
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User's guide ________________________________________________________ 28 _____________________________________________________m210185en-c the following figure illustrates an example of temperature and humidity stabilization. In this example, an hmp233 probe has been transferred from a temperature of...
Page 31: Temperatures Are Different
Chapter 4 ________________ instructions for the calibration of humidity instruments vaisala _________________________________________________________ 29 in the following example, the transportation temperature of the calibrator (without the licl) is +5 °c; the calibrator is then transferred into roo...
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Page 33: Maintenance
Chapter 5 ________________________________________________ maintenance vaisala _________________________________________________________ 31 chapter 5 maintenance depending on the frequency of use and the general operating conditions, the salt solutions maintain their characteristics for 6 … 12 month...
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Page 35: Spare Parts and Accessories
Chapter 6 ____________________________________spare parts and accessories vaisala _________________________________________________________ 33 chapter 6 spare parts and accessories order code description 19728hm mercury thermometer with calibration certificate 25130hm thermometer with red capillary ...
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Page 37: Technical Data
Chapter 7 _______________________________________________ technical data vaisala _________________________________________________________ 35 chapter 7 technical data operating temperature range +0 ... +50 ºc note if the licl solution is used or stored in temperatures below +18 ºc, its equilibrium h...
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User's guide ________________________________________________________ 36 _____________________________________________________m210185en-c response time (probe and calibrator at the same temperature) with vaisala sensors typically 10 min (deviation of the final value accuracy of the thermometer: with...
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