Vaisala HUMICAP HM44 User Manual

Summary of HUMICAP HM44

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    User's guide vaisala humicap® set for measuring humidity in concrete hm44 m010068en-a.

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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 safety ..........

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    User's guide _______________________________________________________________________ ______________________________________________________________________________ 2 chapter 6 collecting data ................................................................................... 21 data collecting modes...

  • Page 5: General Information

    Chapter 1 _________________________________________________________ general information vaisala ___________________________________________________________________ 3 chapter 1 general information safety throughout the manual, important safety considerations are highlighted as follows: warning warnin...

  • Page 6: Warranty

    User's guide _______________________________________________________________________ ______________________________________________________________________________ 4 warranty vaisala hereby represents and warrants all products manufactured by vaisala and sold hereunder to be free from defects in wor...

  • Page 7: Product Description

    Chapter 2 _________________________________________________________ product description vaisala __________________________________________________________________________ 5 chapter 2 product description the hm44 set is a practical tool for humidity measurements of concrete or other structures. The a...

  • Page 8: To Be Noted When Measuring

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 6 chapter 3 to be noted when measuring humidity temperature of the probe and the concrete shall be the same! In humidity measurement ...

  • Page 9: Taken Into Use

    Chapter 4 _____________________________________________________________ taken into use vaisala __________________________________________________________________________ 7 chapter 4 taken into use before taking into use the hm44 do the following: - place the batteries into hmi indicator - connect th...

  • Page 10: Numbering The Probes

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 8 numbering the probes the first number of the second line of display indicates the currently selected probe (1-10). Connect a probe ...

  • Page 11: Changing The Settings

    Chapter 4 _____________________________________________________________ taken into use vaisala __________________________________________________________________________ 9 5. When the reading is correct, press enter and the display changes to show the humidity and temperature readings. However, an a...

  • Page 12: Display Units

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 10 display units set °c • select the display units with buttons ▲ or ▼. Choose 0 for metric units or 1 for non- metric units (see tab...

  • Page 13: Calculations

    Chapter 4 _____________________________________________________________ taken into use vaisala __________________________________________________________________________ 11 selecting the display quantities set the hmi41 displays relative humidity (rh), temperature (t) and dewpoint temperature (td) r...

  • Page 14: Setting The Probe Type

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 12 setting the probe type in cases where an indicator (or a probe) is without an id-marking, the following probe numbers have to be s...

  • Page 15: Humidity Measurements In

    Chapter 5 ____________________________________________ humidity measurements in concrete vaisala __________________________________________________________________________ 13 chapter 5 humidity measurements in concrete general about humidity measurements in a drilled hole the hmp44 probe measures hu...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 14 slab until it corresponds to readings measured at the depth of approximately 20% of the slab. In concrete slabs drying in one dire...

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    Chapter 5 ____________________________________________ humidity measurements in concrete vaisala __________________________________________________________________________ 15 maximum humidity levels for coating sisäryl 2000 code of building practice (rt 14-10668, 2000, isbn 951-682-506-0) recommends...

  • Page 18: Note

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 16 preparations for the measurements the holes shall be drilled 3 days before the measurements. A plastic sleeve and an installation ...

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    Chapter 5 ____________________________________________ humidity measurements in concrete vaisala __________________________________________________________________________ 17 4. Insert the probe into the sleeve by feeding it in with the cable until it touches the bottom. Close a rubber plug around t...

  • Page 20: Starting The Measurements

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 18 figure 5.5 close the cable lead-through of the rubber plug however, we recommend that you leave the probe into the sleeve as this ...

  • Page 21: Hold-Mode

    Chapter 5 ____________________________________________ humidity measurements in concrete vaisala __________________________________________________________________________ 19 measurement readings on display relative humidity and temperature readings appear automatically after the battery charge indi...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 20 if you press the button hold when the indicator is in the min mode, the maximum readings measured after power-up appear: rh max t ...

  • Page 23: Collecting Data

    Chapter 6 _____________________________________________________________ collecting data vaisala __________________________________________________________________________ 21 chapter 6 collecting data the hmi41 indicator can be used for collecting the measurement data. The data is stored in the indic...

  • Page 24: Rec Auto

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 22 automatic data collecting mode rec auto enter the rec auto mode as instructed on page 21. Setting the measurement duration press e...

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    Chapter 6 _____________________________________________________________ collecting data vaisala __________________________________________________________________________ 23 setting the measurement interval min (previously set interval) in this mode, you can set the time between two measurements sto...

  • Page 26: Manual Data Collecting

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 24 manual data collecting rec catch enter the rec catch mode, see page 21. Press enter and a text similar to the following appears: r...

  • Page 27: Rec Read

    Chapter 6 _____________________________________________________________ collecting data vaisala __________________________________________________________________________ 25 reading the measurement results rec read enter the rec read mode as instructed on page 21. Press enter, and a text similar to ...

  • Page 28: Rec Read

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 26 rh t °c % press hold while the arrow is displayed to scroll the measurement results (note that the sequence number changes): rh t ...

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    Chapter 6 _____________________________________________________________ collecting data vaisala __________________________________________________________________________ 27 examples: hold hold hold enter rh min hi t °c % (minimum reading of the 1st line quantity) (decimals of the 2nd line) rh min h...

  • Page 30: Transferring Data to A Pc

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 28 chapter 7 transferring data to a pc the readings that have been stored in the hmi41 memory manually or automatically in the data c...

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    Chapter 7 _____________________________________________________ transferring data to a pc vaisala __________________________________________________________________________ 29 giving the communication parameters give the communication parameters when using this terminal session for the first time; s...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 30 table 7.2 giving parameters in windows 95/98 and windows nt windows 95 windows nt menu what to do menu what to do start start ò mo...

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    Chapter 7 _____________________________________________________ transferring data to a pc vaisala __________________________________________________________________________ 31 figure 7.3. Communication parameter selection window..

  • Page 34: Transferring The Data

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 32 transferring the data when you have given the communication parameters, you can start transferring the data from the hmi41. Note t...

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    Chapter 7 _____________________________________________________ transferring data to a pc vaisala __________________________________________________________________________ 33 if you know the starting time of the automatic data collecting, you can enter it with the command and get an output showing ...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 34 >help play command : play purpose : send recordings from memory to serial port usage : play hh:mm , hh:mm = rec starting time (opt...

  • Page 37: Calibration

    Chapter 8 ________________________________________________________________ calibration vaisala __________________________________________________________________________ 35 chapter 8 calibration calibration interval the hmp44 probes are calibrated at the factory. A new probe should be calibrated fir...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 36 after a few seconds, the text changes automatically to show the following: set °c press enter repeatedly until the following appea...

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    Chapter 8 ________________________________________________________________ calibration vaisala __________________________________________________________________________ 37 two-point humidity calibration in two-point humidity calibration, two accurate references (e.G. The hmk15 calibrator) are neede...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 38 lower point calibration. A message similar to the following appears with the first line blinking: rh set % the blinking number ind...

  • Page 41: Maintenance

    Chapter 9 _______________________________________________________________maintenance vaisala __________________________________________________________________________ 39 chapter 9 maintenance replacing the humicap 180 sensor remove damaged sensor and insert a new one. Handle the sensor from the pla...

  • Page 42: Troubleshooting

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 40 chapter 10 troubleshooting erroneous readings if any of the following points is neglected, the readings may result erroneous. Ther...

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    Chapter 10 ___________________________________________________________ troubleshooting vaisala __________________________________________________________________________ 41 in the following, a short list for trouble shooting: problem: what to do: the display is blank • check the batteries • if the b...

  • Page 44: Spare Parts and Accessories

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 42 chapter 11 spare parts and accessories order code description hmp41 rh & t probe; for fixed mounting hmp42 rh & t probe; for tight...

  • Page 45: Optional Probes

    Chapter 11 _________________________________________________ spare parts and accessories vaisala __________________________________________________________________________ 43 optional probes • hmp41 probe for measuring humidity and temperature in various applications, for example in spot checks. • h...

  • Page 46: Technical Data

    User's guide _______________________________________________________________________ _________________________________________________________________________________ 44 chapter 12 technical data hmp44 probe humidity measurement range 0...100 %rh non-condensing accuracy at +20 °c: ±2 %rh (0...90%rh)...

  • Page 47: General

    Chapter 12 ____________________________________________________________ technical data vaisala __________________________________________________________________________ 45 °c 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -20 -10 0 10 20 30 40 50 60 °c temperature sensor pt1000 iec 751 class b general cable length: ...

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    User's guide _______________________________________________________________________ _________________________________________________________________________________ 46 battery operation time 72 h continuous use operating humidity range 0...100 %rh non-condensing operating temperature -20...+60 °c ...

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    Chapter 12 ____________________________________________________________ technical data vaisala __________________________________________________________________________ 47 appendix 1: example of a calibration certificate. Adjustment coefficients.

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