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User's Guide _______________________________________________________________________

______________________________________________________________________________

2

CHAPTER 6

COLLECTING DATA ................................................................................... 21

Data collecting modes........................................................... 21

Entering the data collecting modes..................................... 21

Automatic data collecting mode 

REC AUTO

.......................... 22

Setting the measurement duration...................................... 22
Setting the measurement interval ....................................... 23

Manual data collecting 

REC CATCH

........................................ 24

Reading the measurement results 

REC READ

....................... 25

MIN and MAX in data collecting 

REC READ

 mode ................ 26

CHAPTER 7

TRANSFERRING DATA TO A PC .............................................................. 28

Giving the communication parameters ............................... 29

Transferring the data ............................................................. 31

Commands.......................................................................... 32
PLAY  Transferring the data ............................................... 32
CPLAY  Setting characters between decimals and fields... 33
HELP  Outputting available commands and their contents 33
?  Outputting the HMI41 settings ........................................ 34

CHAPTER 8

CALIBRATION ............................................................................................. 35

Two-point humidity calibration............................................. 37

CHAPTER 9

MAINTENANCE ........................................................................................... 39

Replacing the HUMICAP

180 sensor ................................. 39

Replacing the filter................................................................. 39

CHAPTER 10

TROUBLESHOOTING ................................................................................. 40

Erroneous readings............................................................. 40
Trouble shooting ................................................................. 40

CHAPTER 11

SPARE PARTS AND ACCESSORIES........................................................ 42

Optional probes...................................................................... 43

CHAPTER 12

TECHNICAL DATA...................................................................................... 44

HMP44 probe .......................................................................... 44

HMI41 indicator ...................................................................... 45

Содержание HUMICAP HM44

Страница 1: ...USER S GUIDE Vaisala HUMICAP Set for Measuring Humidity in Concrete HM44 M010068EN A...

Страница 2: ...echanical including photocopying nor may its contents be communicated to a third party without prior written permission of the copyright holder The contents are subject to change without prior notice...

Страница 3: ...eeding the offset correction 8 Feeding the gain correction 8 Changing the settings 9 Enter the setup menu 9 Display units 10 Setting the automatic power off function 10 Selecting the display quantitie...

Страница 4: ...n data collecting REC READ mode 26 CHAPTER 7 TRANSFERRING DATA TO A PC 28 Giving the communication parameters 29 Transferring the data 31 Commands 32 PLAY Transferring the data 32 CPLAY Setting charac...

Страница 5: ...arning alerts you to a serious hazard If you do not read and follow instructions very carefully at this point there is a risk of injury or even death CAUTION Caution warns you of a potential hazard If...

Страница 6: ...rt shall should Vaisala so require be sent to the works of Vaisala or to such other place as Vaisala may indicate in writing freight and insurance prepaid and properly packed and labelled unless Vaisa...

Страница 7: ...cal tool for humidity measurements of concrete or other structures The accuracy and reliability performance of the HMP44 probe comes from advanced Vaisala HUMICAP 180 sensor The HM44 package includes...

Страница 8: ...error As the curve below shows if the temperature is 20 C and the relative humidity 100 RH a difference of 1 C between the measured object and the probe causes an error of 6 RH When the humidity is 9...

Страница 9: ...e device on RH T C Feeding the individual adjustment coefficients Each probe has an individual adjustment coefficients which are written in the calibration certificate see Appendix 1 These coefficient...

Страница 10: ...on the second line are blinking RH set 2 Feed the individual offset correction see the calibration certificate in the HMI41 memory with buttons and Each time the button is pressed the numbers change...

Страница 11: ...Changing the settings Change the settings ONLY if there is a need to change the following factory settings Factory settings display units 0 metric automatic power off 5 minutes display quantities 0 RH...

Страница 12: ...ntity metric non metric relative humidity RH RH RH temperature T C F dewpoint temperature Td C F absolute humidity a g m3 gr ft3 mixing ratio x g kg gr lb wet bulb temperature Tw C F Setting the autom...

Страница 13: ...ratio x The number on the display indicates the following quantities 0 RH T Td 1 RH T Td abs 2 RH T Td Tw 3 RH T Td x select the number with buttons and press ENTER and the display changes to show th...

Страница 14: ...w changes to show the text START Change this setting only if there is no ID marking on the indicator label Otherwise do not change this setting Select the function In cases where an indicator or a pro...

Страница 15: ...ng takes about three days When the equilibrium stage has been reached the air humidity in a drilled hole and the concrete humidity become equal Then it is possible to make the humidity measurement For...

Страница 16: ...idity spreads evenly throughout the slab until it corresponds to readings measured at the depth of approximately 40 of the slab Figure 5 1 Humidity profile before and after the coating DRYING IN ONE D...

Страница 17: ...ng wooden floor coverings with moisture barrier plastic film between wood and concrete 1 Sis RYL 2000 Code of Building practice RT 14 10668 2000 ISBN 951 682 506 0 page 332 Other materials Maximum RH...

Страница 18: ...sufficient depth see page 13 Clean the hole thoroughly e g by blowing air or with a vacuum cleaner 2 Press a plastic sleeve into the hole If you need something to press it with use e g the lid of the...

Страница 19: ...Figure 5 3 Sealing the sleeve with a plastic plug 5 Fold the cable in the installation cover and close the lid Leave the probe to stabilize before starting the measurements plastic sleeve probe rubbe...

Страница 20: ...e stabilized Connect the cable in the connector PROBE at the bottom of the HMI41 Then follow the instructions of this manual Turn the indicator on with the button ON OFF RH T C Numbers on the first li...

Страница 21: ...s on the display HOLD mode Press the HOLD button to freeze the display to show the current readings RH hold T C The normal display mode returns with buttons MODE or ENTER If the indicator turns itself...

Страница 22: ..._____________________________________________________________________________ 20 If you press the button HOLD when the indicator is in the MIN mode the maximum readings measured after power up appear...

Страница 23: ...ve again Data collecting modes The following three modes are used when collecting data REC AUTO automatic data collecting REC CATCH manual data collecting REC READ reading the measurement results Ente...

Страница 24: ...n time appears on the display If the previously set duration time is too long for the current battery charge the longest calculated duration time possible appears instead This is also indicated with t...

Страница 25: ...g to the following 1 5 min each pressing 1 minute 10 min 15 min 30 min 1 6 h each pressing 1 hour 12 h Note Interval can not be set longer than the measurement duration The text LO on the display indi...

Страница 26: ...You can store 199 measurement readings in the indicator memory numbers 1 199 In automatic data collecting you can store 200 readings 0 199 End data collecting by turning the indicator off You can rea...

Страница 27: ...ber 0 is the sequence number of the measurement This number helps to estimate the time of the measurement during automatic data collecting provided that the starting time and the measurement interval...

Страница 28: ...nt modes on the display MIN HI MAX HI MIN LO and MAX LO These modes indicate the maximum and minimum readings measured for the quantities on the display HI and LO tell you whether the reading observed...

Страница 29: ...t line quantity decimals of the 2nd line RH min Hi T C RH max Hi T C ENTER maximum reading of the 1st line quantity RH max Hi T C decimals of the 2nd line ENTER RH min Lo T C minimum reading of the 2n...

Страница 30: ...DATA TO A PC The readings that have been stored in the HMI41 memory manually or automatically in the data collecting mode can be transferred to a computer and then printed if desired In order to do t...

Страница 31: ...tables Table 7 1 Giving parameters in Windows 3 1 MENU DESCRIPTION PROGRAM MANAGER ACCESSORIES double click TERMINAL double click Settings click Communications click and select parameters see figure...

Страница 32: ...double click Hyperterminal click Connection Description type the name of the connection e g HMI41 in the appropriate field and select an icon if available click OK Connection Description type the nam...

Страница 33: ...__________________________________________________ Transferring data to a pc VAISALA__________________________________________________________________________ 31 Figure 7 3 Communication parameter sel...

Страница 34: ...open Turn the HMI41 on with the ON OFF button A text similar to the following should now appear on your computer display HMI41 2 02 Commands PLAY Transferring the data To transfer the data on your PC...

Страница 35: ...een decimals and fields With the CPLAY command you can select what you want to appear between decimals and various fields An example cplay Desimal separator Field separator TAB example 1 01 00 00 38 7...

Страница 36: ...ameters it uses default setting Outputting the HMI41 settings If you need to know which parameters and settings are currently stored in your HMI41 indicator type and press ENTER HMI41 2 01 Serial numb...

Страница 37: ...d to check the new coefficients and write them down The coefficients can be checked by pressing ENTER for about 5 seconds continuously and the offset correction is displayed press ENTER once more and...

Страница 38: ...the table below you can find a summary of all the calibration options RH set T Default calibration restores the factory settings of the humidity and temperature calibrations RH set One point humidity...

Страница 39: ...ee times and the following appears RH set Press ENTER to activate the two point humidity calibration mode A message similar to the following appears with the first line blinking RH set Lo The blinking...

Страница 40: ...t Press ENTER and the HMI41 indicator shows the value that the probe is currently measuring Wait for the reading to stabilize about 30 minutes and press ENTER Now the higher humidity value is correcte...

Страница 41: ...The probe can be sent to Vaisala service for sensor change Replacing the filter The combination of a grid of the probe head and the membrane filter can be changed if needed order code 17039HM Vaisala...

Страница 42: ...es condensation on the probe and evaporation may take very long see page 6 replace worn plastic sleeves make sure that the lid of the installation cover and the rubber plug are carefully closed calibr...

Страница 43: ...t the probe stabilize see page 18 make sure that the probe cable is correctly connected to the HMI41 check that the grid and the filter are clean if the individual adjustment coefficients have been en...

Страница 44: ...RH T probe cable model for dirty or hot processes HMI41 Humidity and temperature indicator HUMICAP 180 Humidity sensor 17039HM Membrane filter 19266HM Plastic sleeve 12 pcs 19267HM Rubber plug 12 pcs...

Страница 45: ...ts in very tight places e g in joint spaces between tiles or in air conditioning channels as well as for measuring the equilibrium humidity of e g timber HMP44L for measuring humidity in concrete and...

Страница 46: ...ty Measurement range 0 100 RH non condensing Accuracy at 20 C 2 RH 0 90 RH 3 RH 90 100 RH Temperature dependence 0 5 1 0 1 5 0 5 1 0 1 5 RH 20 C 10 0 10 20 30 40 50 60 0 Typical long term stability in...

Страница 47: ...P44L 2 7 m Probe diameter 12 mm Probe length 69 mm Operating temperature range of electronics 40 60 C Housing material ABS plastic Housing classification IP65 NEMA 4 Sensor protection membrane filter...

Страница 48: ...h continuous use Operating humidity range 0 100 RH non condensing Operating temperature 20 60 C Storage temperature 40 70 C Display two line LCD Housing material ABS plastic Housing classification IP...

Страница 49: ..._________________________________________________ Technical data VAISALA__________________________________________________________________________ 47 APPENDIX 1 Example of a calibration certificate Ad...

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Страница 52: ...www vaisala com M010068EN...

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