Schaller RH2 Manuale utente

User manual

Air humidity and temperature moisture meter

humimeter RH2

Version 2.3_en

2016

Distributore autorizzato : Geass S.r.l. - Torino - Tel.: +39.011.22.91.578 - mail : [email protected] - web site : www.geass.com

page 2 version 2.3_en

User manual

Measurement

To switch on the instrument, press the key for three

seconds.

After showing the logo, the measuring window opens and

the current temperature and moisture value is displayed.

In the type selection menu the calibration curves can be

changed by pressing or . The calibration curves saved

in the device can be found in the following list.

Calibration curves

Calibration curve

description

unit

measuring

range

rel. humidity

rel. air humidity

%rh

0 to100%

dewpoint

°C resp. °F

55 to +60°C

-67 to +140°F

abs. humidity

abs. air humidity

g/m³

0 to 130 g/m³

EMC wood

equilibrium moisture

content of wood

% EMC

2 to 30%

(wood moisture)

EMC POM

equilibrium moisture

content of POM

% EMC

0 to 2%

aw value

water activity

0 to 1

CO2

CO2value

ppm

0 to 5000 ppm

IR temperature

temperature

infrared sensor

°C resp. °F

-25 to 125 °C

-13 to 257 °F

empty

for own special

calibrations

%rh

version 2.3_en page 3

Description of definitions

Relative air humidity: indicates the relation between the current water

vapour pressure and the maximal possible water vapour pressure (called

saturation vapour pressure)

The relative humidity shows the degree the air is saturated with water

vapour. For example:

50% relative humidity indicates that at the current temperature and the

current pressure the air is saturated with water vapour for half of its value,

100 % relative humidity means that the air is totally saturated. When the air

has more than 100 % of relative humidity, the excessive moisture would

condense or form fog.

Absolute humidity: shows the contained amount of water in gramme per

cubic metre of air. The absolute humidity is a direct degree for the amount of

water vapour contained in a certain air volume. It shows how much moisture

can maximally condense or how much water has to be evaporated to receive

a certain desired air humidity.

Dew point temperature:The dew point indicates the temperature that the

not completely saturated air has to reach in order to be completely saturated

with water vapour. If the room with the current relative humidity is cooled

down to the dew point temperature, the water vapour begins to condense.

EMC wood: shows the equilibrium moisture content of wood (for timber

stored under these conditions) in % moisture content of wood and the

temperature in the selected unit (°C or °F).

EMC POM: shows the equilibrium moisture content of POM granulate (for

granulate stored under these conditions) in % moisture content and the

temperature in the selected unit (°C or °F).

aw value: indicates the freely available water in a material. It is defined as

the partial vapour pressure of water in a substance divided by the standard

state partial vapour pressure of water at a certain temperature.

page 4 version 2.3_en

Empty calibration curves: There are another 5 empty calibration curves

stored in the measurement device. These curves can be used for the

calibration of special fruits or customer specific products.

On request Schaller GmbH can develop customized calibration curves for

your product.

CO2: With the CO2sensor and the appropiate calibration curve the air quality

can be measured. The measuring range is up to 5000ppm (parts per million).

The CO2value is the essential criterion for evaluating the air quality.

IR temperature sensor: shows the current temperature of the object

beamed by the sensor. The sensor has a 1:10 optics, which means a

measuring area of 16 cm at a distance of 1 meter.

Info: The sensor is not suited for measuring brilliant or reflective materials!

List of calibration curves

Pressing the or key in the measuring

window for at least 3 seconds, a list with all

available calibration curves appears. Select your

sort by pressing or and confirm by pressing

the key.

version 2.3_en page 5

Application range

Within the normal application range (normal range) the accuracy of the

device is as indicated. A long-term application beyond the normal application

range (max. range), particularly at an air humidity of more than 80%, can

lead to higher measuring errors (+3% after 60hours). Back in the normal

application range, the sensor will return to the indicated accuracy

automatically.

Other instrument functions –overview

Manual saving of single measuring values in a measurement series

Display of measuring series and measuring values directly on the

instrument

Printing the saved measuring series (only with PC interface and printer)

Transfer and saving of measuring series on a PC (only with PC

interface)

Automatic single-point adjustment with 50% humidity standard

Selection of menu language (DE, EN, FR, IT, ES, RU)

Display of temperature in Celsius or Fahrenheit

page 6 version 2.3_en

Design of the device

batteries slot

(flipside)

measuring value

calibration

curve

ON/OFF button

temperature

selection of

calibration curve

connection air

humidity and

temperature sensor

option:

interface

air humidity and

temperature

sensor

connecting plug

LF-TB 120

Moisture and

temperature sensor

version 2.3_en page 7

CO2sensor

With this sensor and the appropriate calibration curve the air quality can be

measured. The measuring range is up to 5000ppm (parts per million).

The sensor is activated after putting it on and tightening it. The CO2sensor

measures in intervals of 15 seconds.

The CO2value is the essential criterion for evaluating the air quality.

The following chart shows the correlation of measuring value and well being:

CO2 value

possible occurance

effect

400

fresh ambient air

comfortable

1000

ventilated classroom

limit of comfortableness

2000

classroom –windows mostly closed

declining concentration

3000

classroom –windows closed

headache

Infrared temperature sensor

Shows the current temperature of the object beamed by the sensor. The

sensor has a 1:10 optics, which means a measuring area of 16 cm at a

distance of 1 meter.

Changing the emission ratio:

2 times - Options –Emission

ratio

The infrared temperature

measurement depends on the

emission ratio of the material to

measure. This value can be modified

according to the measured material.

The standard value entered is 0.950

(for concrete and floor screed).

material

emission ratio

wood

0.940

concrete,

floorscreed

0.950

asphalt

0.950

gypsum

0.925

CO2Sensor

Infrared temperature

sensor

connector

page 8 version 2.3_en

Menu level overview

Type selection menu

Store menu

Main menu

Next calibration curve

Previous calibration curve

Power off

Show last log

Store new log

Power off

Switch lower

Switch upper

Open this menu/enter

Keypad symbols

Measuring window:

Rolling Menu

Power ON / OFF

Switch upper

Switch lower

Save

Hold

Autolog

Watch saved data

Enter supplier´s

data

Menu:

Enter

Switch upper

Switch lower

Exit

Enter numbers

Enter letters

Next or right

Left

Yes

Shift

Edit Logs

Manual Logs

Auto Logs

Clear Logs

Print Logs

Last Logs

All Logs

Clear Logs

Send Logs

Manual Logs

Auto Logs

Clear Logs

Options

Date/Time

Datalog Time

Language

Unlock

°C/°F

User level

BLOn Time

Auto Off Time

Calibrate

Materialcalib.

Online Send

Online Print

Adjust

Password

Reset

Status

version 2.3_en page 9

Operating the instrument

Switching on: Press for three seconds.

Changing the calibration curve: or .

Setting date and time: two times - Options –date / time

Set date and time using the button , according to the format indicated

(JJ.MM.TT). After entering the year, press the button for entering the

month and again for entering the day. For changing from date to time also

press the button. After finishing, press for saving the entered data.

Datalog: Select your desired interval in the menu Options –Log Time using

the arrow keys, and confirm by pressing OK. Now in the store menu appears

the symbol . By pressing this symbol you can activate the

AutoLog.

Info: In order to save battery power the device switches off

automatically at a log interval of 1 minute or longer, and activates again

for saving the logs!

For completing the AutoLog, switch on the device (if necessary) and press

the button. If you want to add supplier´s data please press the

button. Supplier´s data can also be entered on the PC subsequently.

Switching on the display lighting: Press the key briefly; the display

lighting switches off automatically after approx. 20 seconds. Pressing any

key activates the display lighting again, and the period for switching off again

is prolonged to 4 minutes. (The display lighting time can be modified in menu

level Options –BL On Time.)

Switching off: Press the key for five seconds. The instrument switches

off after releasing the key. The instrument switches off automatically after

approx. four minutes. (The turn-off time can be modified in menu level

Options –Auto Off Time.)

page 10 version 2.3_en

Transfer saved data to the PC

To send your saved logs to the PC, connect the

humimeter device to your PC using the USB cable

that was delivered with your device. Carefully

loose the protection cap on your humimeter and

plug in the USB mini B connector. The bigger

connector has to connected to a USB slot on your

PC.

Start the LogMemorizer software on your PC and

switch on your humimeter RH2.

The data transfer can be started on your

humimeter or on the software:

Starting data transfer on the humimeter:

Press the key until you reach the menu (see

image on the right). Then choose „Send Logs“ and

confirm by pressing the key. Now choose

„Manual Logs“ or „Auto Logs“ and confirm with

again. All saved logs will be transferred to your

PC.

Starting the data transfer on your PC:

Press the button „Communication“ in the

LogMemorizer software. A menu with

several options opens (see image).

For transferring the data you can select „get

last manual log“ (the last saved measuring

series is transferred) or „get all manual logs“

(all saved logs are transferred).

If you click on one of these buttons, the

transfer starts immediately.

For the basic adjustments of the software

please look into help file (F1 key).

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