Vaisala Humicap HM40 User Manual Download

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User’s Guide

www.vaisala.com

M211088EN-A

Vaisala HUMICAP

Hand-Held

Humidity and Temperature Meter
HM40

Summary of Contents for Humicap HM40

Page 1: ...User s Guide www vaisala com M211088EN A Vaisala HUMICAP Hand Held Humidity and Temperature Meter HM40...

Page 2: ......

Page 3: ...Front 5 The HM40 Meter Back 6 Batteries 7 Charging 8 Quantities Explained 9 Measurement Views 10 Screen Layout and Controls 10 Indicators 11 Numeric View 12 Statistics View 13 Graph View 14 Hold and...

Page 4: ...27 Maintenance 29 Cleaning 29 Changing the Filter 30 Changing the Probe 31 Calibration 33 Calibrating the HM40 Using the HMK15 Humidity Calibrator 34 Accessories and Parts 38 HMP110 Probe 38 Filters...

Page 5: ...nes if needed Initial Settings When you power on the HM40 for the first time or after a factory reset of the settings you must first select the operation language You will then be asked if you want to...

Page 6: ...ties Explained on page 9 Large graphical display Graphs for selected quantity and temperature Interchangeable HMP110 probe Can be user calibrated using the HMK15 humidity calibrator for example Powere...

Page 7: ...User s Guide ________________________________________________ HM40 5 The HM40 Meter Front HMP110 probe Filter and sensor Probe holder Display Right function Left function Down Up Power Menu...

Page 8: ...User s Guide________________________________________________ HM40 6 The HM40 Meter Back Belt clip Battery cover Batteries 2 x AA...

Page 9: ...ne batteries are the standard choice in non rechargeable batteries They are a good match for the power requirements of the HM40 Lithium batteries are a good choice if you need the longest battery life...

Page 10: ...the charger starts to blink 2 When the LED stops blinking and stays on the batteries are charged The charging time is several hours for two fully discharged NiMH batteries If you are not using a Vaisa...

Page 11: ...mperature Dewpoint Td C F Temperature at which the water vapor in the air will condense into water at the current pressure When the dewpoint is below 0 C the meter outputs frostpoint instead of dewpoi...

Page 12: ...____________________________________________ HM40 10 Measurement Views Screen Layout and Controls Pressing the right function button holds the screen and tags the current measurement point See Hold an...

Page 13: ...age drops too low Alert indicator This indicator is shown next to the battery charge indicator if there is a measurement problem The most likely causes are low battery and probe problems for example B...

Page 14: ...___________________________________ HM40 12 Numeric View The Numeric view shows the currently values of the selected humidity quantity and temperature In the all quantities view the font is smaller to...

Page 15: ...nt value of the selected quantity as well as the maximum average and minimum value since the measurement was started There is also a counter that shows how long the measurement has been running The ic...

Page 16: ...The Graph view shows a continuously updating graph of the selected quantity and temperature The graph limits and spacing adjust dynamically to show the full range of measurements HM40 has no permanent...

Page 17: ...h can be changed in the Main menu By default the graph will automatically change the timescale to fit the measured data If you select a short timescale only the most recent data will be visible The gr...

Page 18: ...hings happen The measurement view freezes until you press the Release button The latest measurement point is tagged marked and stored in temporary memory See section Tagged Points on page 19 Tagged po...

Page 19: ...t to record the current data take a photograph or write it down If time has not been set the top of the screen will simply read HOLD When the view is held you can reset all measurement data by pressin...

Page 20: ...Use the arrow buttons to move up and down in the menu and function buttons to operate the menu options Typical functions in the menus are View and Enter open the selected menu option or submenu Chang...

Page 21: ...ored points and values Time and temperature value are always shown for each tagged point The shown humidity quantity is the same as has been selected in the measurement view If all quantities view has...

Page 22: ...he Graph view The shortest selectable timescale is 1 5 minutes the longest 32 hours You can also select Autoscale which means that the timescale will automatically adjust to show all of the measuremen...

Page 23: ...umidity and temperature measurement of the meter For more information and the adjustment procedure see section Calibration on page 33 Help Opens a menu with help topics on measurement calibration and...

Page 24: ..._____________ HM40 22 Settings Submenu Language In the Language screen you can change the display language of the meter The choices are English en German de French fr Finnish fi Spanish es Swedish sv...

Page 25: ...termines the measurement system that is used for the quantities Metric Non metric The Pressure unit is set separately hPa bar atm PSI Time Date In the Time Date menu you can set the current date and t...

Page 26: ...nd returns to the Settings menu After setting the date set the desired date format using the Formatting option in the Time Date menu In the Time setup screen you can set the current time Arrow buttons...

Page 27: ...ault setting of 1 0132 bar due to high altitude for example set the correct pressure value so that the HM40 meter can calculate the measurement correctly Backlight Always on Screen is always lit This...

Page 28: ...tery indicator correctly The options are Alkaline Rechargeable Navigation The Navigation setting affects the behavior of arrow buttons in the measurement view Normal Up arrow moves quantity selector l...

Page 29: ...ble measurement result Do not measure near heat sources air conditioning open doors or windows For best results leave the meter on in the measurement area and come back to check it later Avoid Tempera...

Page 30: ...tion can form on the sensor Do not replace the transport protection cap if the probe or the cap is wet since it will prevent the probe from drying Do not touch the sensor or blow on it to dry it out C...

Page 31: ...some moisture Dirty filters should be replaced Do not use solvents to clean the HM40 Do not spray anything directly on the HM40 since that may deposit impurities on the sensor Do not immerse the HM40...

Page 32: ...____________________________ HM40 30 Changing the Filter 1 Twist the filter counter clockwise to open it 2 Turn the filter until it can be removed Do not touch the sensors when pulling it away 3 Insta...

Page 33: ...__________________________ HM40 31 Changing the Probe 1 Press the power button to turn off the meter 2 Twist the probe holder counter clockwise to disconnect the probe 3 Pull the probe holder and prob...

Page 34: ..._______________________ HM40 32 4 Take the HM40 meter and push the pins of the new probe in the holes of the connector Tighten the probe holder 5 Press the power button to turn on the meter It should...

Page 35: ...d with adjustment the probe must be replaced All probes that are ordered from Vaisala are delivered calibrated See section Accessories and Parts on page 38 If you think the meter is not measuring humi...

Page 36: ...tions Performing a good calibration takes some time and preparation Read the HMK15 User s Guide before performing your first calibration with the HMK15 1 Press the Menu button and select the Calibrati...

Page 37: ...NaCl salt chambers provide 11 and 75 relative humidity references 4 Remove the filter from the probe and place the probe in the first reference environment first calibration point Take care not to dam...

Page 38: ...doing a 1 point calibration skip to step 8 6 Place the probe in the second reference environment second calibration point Wait 20 40 minutes for the reading to stabilize 7 Select menu item 4 Point 2...

Page 39: ...t is stored in the probe Edit the text using the select button and arrow keys When done select the OK character in the bottom right corner to save the changed text To exit without saving press the Can...

Page 40: ...es 229249SP NiMH rechargeable batteries 4 pcs 229247SP Belt clip 3 pcs 227710SP Battery cover 3 pcs 225688SP HMP110 Probe If the HMP110 probe on your meter needs to be replaced you can order a new pro...

Page 41: ...re size for additional protection against contaminants It slows down the response time of the probe For instructions on how to replace the filter on the HMP110 probe see page 26 Chargers and Batteries...

Page 42: ...C and 40 60 C 14 32 F and 104 140 F 3 0 RH 0 90 RH 4 0 RH 90 100 RH Factory calibration uncertainty at 20 C 68 F 1 5 RH Humidity measurement response time 90 with plastic grid filter 17 s Stability 2...

Page 43: ...Mechanical drop endurance 0 5 m with probe attached 1 0 m without the probe General Power up time 3 s Batteries 2 AA sized 1 5 V Calculated variables Td Tw a x h Menu languages English German French F...

Page 44: ...User s Guide________________________________________________ HM40 42 Dimensions in mm 230 72 155 12 44...

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Page 46: ...ual 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 contra...

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