Vaisala HM41 Manual de usuario

User’s Guide

www.vaisala.com

M211088EN-C

Vaisala HUMICAP®Hand-Held

Humidity and Temperature Meter

HM40 Series

PUBLISHED BY

Vaisala Oyj

Street address: Vanha Nurmijärventie 21

FI-01670 Vantaa, Finland

Mailing address: P.O. Box 26

FI-00421 Helsinki, Finland

Phone: +358 9 8949 1

Fax: +358 9 8949 2227

Visit our Internet pages at www.vaisala.com.

No part of this manual may be reproduced, published

or publicly displayed in any form or by any means,

electronic or mechanical (including photocopying),

nor may its contents be modified, translated, adapted,

sold or disclosed to a third party without prior written

permission of the copyright holder. Translated manuals

and translated portions of multilingual documents are

based on the original English versions. In ambiguous

cases, the English versions are applicable, not the

translations.

The contents of this manual are subject to change

without prior notice.

This manual does not create any legally binding

obligations for Vaisala towards customers or end users.

All legally binding obligations and agreements are

included exclusively in the applicable supply contract

or the General Conditions of Sale and General

Conditions of Service of Vaisala.

Table of Contents

Table of Contents................................................................................... 1

First Startup.............................................................................................4

Initial Settings .............................................................................. 4

Product Overview ................................................................................. 5

HM41 – Front............................................................................................ 7

HM41 – Back............................................................................................. 8

HM42 for Tight Spaces .......................................................................9

HM45 – Remote Probe with Handle ............................................ 10

HM46 for Mechanically Demanding Applications ..................12

Batteries ...................................................................................................13

Charging.................................................................................................. 14

Parameters Explained.........................................................................15

Measurement Views ............................................................................16

Screen Layout and Controls.................................................16

Indicators ...................................................................................... 17

Numeric View..............................................................................19

Statistics View ...........................................................................20

Graph View .................................................................................. 21

Hold and Tag..............................................................................23

Main Menu...............................................................................................25

Tagged Points............................................................................26

Graph Duration.......................................................................... 27

Settings.........................................................................................28

Calibration...................................................................................28

Help ................................................................................................29

Settings Submenu.............................................................................. 30

Language .....................................................................................30

Units................................................................................................31

Time & Date .................................................................................31

Pressure........................................................................................33

Reminder......................................................................................34

Backlight ......................................................................................35

Battery ..........................................................................................35

Power off .....................................................................................36

Navigation ...................................................................................36

Rounding......................................................................................36

Factory Settings .......................................................................37

How to Measure ...................................................................................38

Application Examples.......................................................................40

Maintenance.......................................................................................... 44

Cleaning........................................................................................44

Changing the Filter..................................................................45

Changing the Probe ................................................................46

Calibration ..............................................................................................47

Calibrating the HM40 Using HMK15 .................................48

Accessories and Parts .......................................................................53

Filters.............................................................................................54

Chargers and Batteries..........................................................55

Belt Clips and Battery Covers.............................................55

Technical Data ......................................................................................56

Relative Humidity and Temperature Measurement

Performance...............................................................................56

Mechanical...................................................................................58

General..........................................................................................59

HM41 Dimensions .................................................................... 60

HM45 Dimensions .....................................................................61

HM42 and HM46 Probe Dimensions ................................62

First Startup

1. Check that the probe is securely attached and remove

the yellow transport protection cap from the probe.

2. Open the battery cover and insert two AA-size

batteries.

3. Close the battery cover and turn on the meter by

pressing the Power button. If the meter does not turn

on, check the battery orientation. Replace the

batteries with fresh/recharged ones 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. The meter will then ask if

you want to change the following settings:

-Units

-Date

-Time

If you answer

Yes

to the question (recommended), the

meter will show the settings screens before showing the

measurement view. Use the arrow and function buttons

to select. For more information, see section Settings

Submenu on page 30.

HM40 will retain the date and time even during

battery changes. The clock will have to be set

again only if the meter is without battery power

for several hours.

Product Overview

The Vaisala HUMICAP®Hand-Held Humidity and

Temperature Meter HM40 Series comprises four models

designed for various portable measurement

applications. All models in the HM40 series use the

HM40 hand-held indicator with one of four probe

options:

-HM41 – Compact and portable standard option

where a HMP113 probe attaches directly to the

HM40 meter body.

-HM42 – HM40 meter with a spiral cable and handle

connected to an Ø 4mm probe with a length of 235

mm. The structure of the probe is especially suitable

for measurements in tight spaces, such as seams

between wall tiles.

-HM45 – The HM45 uses the same HMP113 probe as

HM41, but with a probe handle connected to the

HM40 meter with a spiral cable, providing additional

reach.

-HM46 – HM40 meter with a spiral cable and handle

connected to a 320 mm robust stainless steel probe

designed for mechanically demanding applications

such as dirty processes and relatively high

temperatures (temporarily up to 180 °C).

For more information on using the probes, see

Application Examples on page 40.

For probe dimensions and technical data, see pages 56

and 60.

Main features of the HM40 series:

-Compact and robust housing.

-Measures a wide range of parameters: RH, Td, Tw, a,

x, h, T. See section Parameters Explained on page

15.

-Large graphical display.

-Graphs for selected humidity parameter and

temperature.

-Can be user calibrated (using the HMK15 humidity

calibrator, for example).

-Powered by standard AA size batteries (2×).

-Indicator operation temperature range -10°C ...

+60°C. Probe operation temperature ranges

-40 °C … +180°C, depending on probe model.

-Short (HM41/HM45) or long (HM42/HM46) soft

case, depending on probe length.

-Belt clip.

Optional accessories:

-Different filters for increased protection against

contaminants.

-USB-powered portable charger for AA-size NiMH

rechargeables.

For more information and order codes of the

accessories, see section Accessories and Parts

on page 53.

HM41 – Front

HMP113 probe

Filter and sensor

Probe holder

Display

Right function

Left function

Down

Power

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