Vaisala HM40 Manual do Utilizador

User’s Guide www.vaisala.com M211088EN-B Vaisala HUMICAP® Hand-Held Humidity and Temperature Meter HM40

9 Batteries The HM40 is powered by two AA-size batteries. You can use the following battery types: - Alkaline (IEC-LR6) - Lithium (IEC-FR6) - NiM

10 Charging The optional USB charger provides a convenient way to charge two NiMH batteries from any powered USB port (for example, from a laptop co

11 Parameters Explained The table below describes the parameters measured by the HM40. All of the parameters are measured or calculated when the mete

12 Measurement Views Screen Layout and Controls BatteryindicatorAlert indicatorChange quantityEnter menuLong press:tag pointShort press:tag point and

13 Indicators Battery charge indicator Fresh batteries will always show three bars. When the indicator shows two bars, the voltage of the batte

14 Numeric View The Numeric view shows the currently values of the selected humidity parameter and temperature. In the all parameters view the fon

15 Statistics View The Statistics view shows the current value of the selected parameter, as well as the maximum, average, and minimum value since t

16 Graph View The Graph view shows a continuously updating graph of the selected parameter and temperature. The graph limits and spacing adjust dyna

17 You can change the timescale of the graph in the Main menu. By default, the graph will automatically change the timescale to fit the measured dat

18 Hold and Tag If you press the right function button (Hold button) in a measurement view, two things happen: - The measurement view freezes until

1 Table of Contents First Startup... 3 Initial Settings...

19 When the screen is held, the top of the display displays the current date and time. This is useful when you want to record the current data (take

20 Main Menu You can open the menu from the measurement view at any time by pressing the menu button. If you are already in the menu, pressing the me

21 Tagged Points Select Tagged points in the main menu to see the list of stored points and values. Time and temperature value are always shown f

22 HM40 can store up to 40 tagged points. If a new tagged point is stored when the memory is full, the oldest tagged point is silently deleted to ma

23 Calibration In the Calibration submenu, you can perform an adjustment procedure that corrects the humidity and temperature measurement of the met

24 Settings Submenu Language In the Language screen, you can change the display language of the meter. The choices are: - English (en) - German (d

25 Units The Units setting determines the measurement system that is used for the parameters: metric or non-metric. - Metric - Non-metric The Pres

26 In the Date setup screen, you can set the current date: - Arrow buttons change the selected value - Left function button selects the next value

27 Pressure In the Pressure setup screen, you can set the current ambient pressure. The pressure information is used when calculating certain humidi

28 Battery Use the Battery setting to tell the meter what kind of batteries are installed. This will help to scale the battery indicator correctly. T

2 Backlight... 27 Battery ...

29 Factory Settings The Factory settings option restores all settings to their default values. Probe calibration is not affected.

30 How to Measure Remove the Transport Protection Cap Remove the yellow transport protection cap from the probe when taking the meter into use. Measu

31 Avoid Condensation and Rain If the humidity sensor element becomes wet, the meter cannot measure until the sensor is dry again. Avoid rain and con

32 Maintenance Cleaning The HM40 can be cleaned by wiping it with a moist cloth. If the filter becomes contaminated, it is very likely to affect the

33 Changing the Filter 1. Turn the filter counter-clockwise to open it. 2. Turn the filter until it can be removed. 3. Pull the filter out straigh

34 Changing the Probe Changing the probe is tool-free and is done in the same way for the standard probe (attached to the meter itself) and when usin

35 Calibration The humidity measurement accuracy of the HMP113 probe should be checked once a year. You can do this yourself using a humidity referen

36 Calibrating the HM40 Using HMK15 The HMK15 Humidity calibrator allows you to produce known humidity environments using saturated salt solutions.

37 3. Select the number of calibration points at menu item [2] Points. You can perform a 1-point or 2-point calibration. For 2-point calibration, y

38 The correction to the measurement at point 1 is now shown in the text for menu item [3]. If you are only doing a 1-point calibration, skip to st

3 First Startup 1. Check that the HMP113 probe is securely attached and remove the yellow transport protection cap from the probe. 2. Open the bat

39 8. Select menu item [5] Note to edit the calibration info text that is stored in the probe. Edit the text using the select button and arrow keys.

40 Accessories and Parts Description Order code HMP113 probe for HM40 See Vaisala order form “HM40” HM40 handle and cable HM40HANDLE Plastic nut fo

41 Filters Vaisala offers two types of filters for the HMP113 probe: - Plastic grid filter is the standard choice. It provides the fastest response

42 Technical Data Performance Relative Humidity Measurement range 0 ... 100 %RH Accuracy (including non-linearity, hysteresis, and repeatability)

43 Mechanical Weight (with alkaline batteries) With standard probe 230 g With handle 330 g Materials Meter body PC/ABS blend, acrylic di

44 Dimensions with Standard Probe 722384412155 8330

45 Dimensions with Handle 213 13.536.54.48.473.5230140121200307032

*M211088EN*  Legal notice © Vaisala 2012 No part of this manual may be reproduced, published or publicly displayed in any form or by any me

4 Product Overview The Vaisala HUMICAP® Hand-Held Humidity and Temperature Meter HM40 is a hand-held meter for various portable measurement applicati

5 The HM40 Meter - Front HMP113 probeFilter and sensorProbe holderDisplayRight functionLeft functionDownUpPowerMenu

6 The HM40 Meter – Back Belt clipBatterycoverBatteries2xAA

7 HM40 With Handle HM40handleHMP113 probeProbeholderCable connectorOrientation mark

8 You can connect the HM40 handle to the belt clip for single handed use. Simply push the belt clip into the slot in the handle. When the handle i