Checkline RH5 User Manual

TABLE OF CONTENTS

1.0 Introduction …………………………………………………………… 2

1.1 Calibration curves

1.2 Explanation of calibration curves

2.0 Operating the instrument ……………………………………………. 3

3.0 View of the instrument ………………………………………………. 4

4.0 Menu ………………………………………………………………….. 5

5.0 Other symbols and key functions ………………………………….. 6

6.0 Other instrument functions – Overview ………………………….… 7

7.0 Common reasons for incorrect measurements ……………….….. 8

8.0 Temperature behaviour of the sensors ……………………………. 9

9.0 Looking after the instrument ………………………………………... 9

10.0 Changing the batteries ………………………………………………. 10

11.0 Liability ………………………………………………………………… 10

12.0 Optional accessories ………………………………………………… 10

13.0 Technical data ………………………………………………………... 11

14.0 Warranty ………………………………………………………………. 12

 Electromatic Equipment Co., Inc.

-1-

1.0 INTRODUCTION

To switch on the instrument, press the key for 3
seconds. If a menu item is shown, press the left key
Exit or Rolling Menu until the measuring window

appears. The measurement value is now shown on the
display.

1.1 Calibration curves

Name of
calibration

Meaning Unit Instrument

curve

Relative

relHum

humidity of

%RH RH1 / RH5

Air

Dew Point Dew point °C or °F RH1 / RH5

absHum

EMC Wood

Absolute
humidity of
Air

Equilibrium
moisture
content of
wood

g/m³ RH1

%EMC RH1

1.2 Explanation of calibration curves:
relHum: This shows the relative air humidity in %RH (relative humidity) and the

temperature in the selected unit (°C or °F).
absHum: This shows the absolute air humidity in g/m³ (grams of water per cubic

meter of air) and the temperature in the selected unit (°C or °F).
Dew Point: This shows the dew point and the temperature in the selected unit (°C

or °F).
EMC Wood: This shows the equilibrium moisture content of wood (for the timber

stored under these conditions) in % moisture cont. of wood and the temperature in
the selected unit (°C or °F).

 Electromatic Equipment Co., Inc.

-2-

2.0 OPERATING THE INSTRUMENT

Switching on: Press for 3 seconds.
Changing the calibration curve: or .

Setting the time: Press three times - Options – Date / Time
Hold the measurement value (HOLD): Press the key (this must be set in the

menu Log Time)
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.

Switching off: Press the key for 5 seconds. The instrument switches off when
you stop pressing this key. The instrument switches off approx. 4 minutes after the
last key has been pressed.

Changing the menu language: Options – Language – select the language
required.

Moving from the simple user level to the menu: The instrument must be
switched off. Switch the instrument on and as soon as the display lighting comes on,

press AND simultaneously until the menu appears.

 Electromatic Equipment Co., Inc.

-3-