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.
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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).
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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.
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3.0 VIEW OF THE INSTRUMENT
14.0 WARRANTY
Electromatic Equipment Co., Inc. (Electromatic) warrants to the original purchaser
that this product is of merchantable quality and confirms in kind and quality with the
descriptions and specifications thereof. Product failure or malfunction arising out of
any defect in workmanship or material in the product existing at the time of delivery
thereof which manifests itself within one year from the sale of such product, shall be
remedied by repair or replacement of such product, at Electromatic’s option, except
where unauthorized repair, disassembly, tampering, abuse or misapplication has
taken place, as determined by Electromatic. All returns for warranty or non-warranty
repairs and/or replacement must be authorized by Electromatic, in advance, with all
repacking and shipping expenses to the address below to be borne by the
purchaser.
THE FOREGOING WARRANTY’S IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE
WARRANTY OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR
PURPOSE OR APPLICATION. ELECTROMATIC SHALL NOT BE RESPONSIBLE
NOR LIABLE FOR ANY CONSEQUENTIAL DAMAGE, OF ANY KIND OR
NATURE, RESULTING FROM THE USE OF SUPPLIED EQUIPMENT, WHETHER
SUCH DAMAGE OCCURS OR IS DISCOVERED BEFORE, UPON OR AFTER
REPLACEMENT OR REPAIR, AND WHETHER OR NOT SUCH DAMAGE IS
CAUSED BY MANUFACTURER’S OR SUPPLIER’S NEGLIGENCE WITHIN ONE
YEAR FROM INVOICE DATE.
Some State jurisdictions or States do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation may not apply to you.
The duration of any implied warranty, including, without limitation, fitness for any
particular purpose and merchantability with respect to this product, is limited to the
duration of the foregoing warranty. Some states do not allow limitations on how long
an implied warranty lasts but, not withstanding, this warranty, in the absence of such
limitations, shall extend for one year from the date of invoice.
Electromatic Equipment Co., Inc.
600 Oakland Ave. Cedarhurst, NY 11516 - USA
Tel: 1-800-645-7330 / Tel: 516-295-4300 / Fax: 516-295-4399
Every precaution has been taken in the preparation of this manual. Electromatic assumes no
responsibility for errors or omissions. Neither is any liability assumed for damages resulting
from the use of information contained herein. Any brand or product names mentioned herein
are used for identification purposes only, and are trademarks or registered trademarks of their
respective holders.
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13.0 TECHNICAL DATA
Calibration
c
urve
Temperature
Humidity
Rolling Menu /
ON-OFF key
Unit of the
Sensor name
Keys for
Batteries
(rear)
Sensors
Measurement: Meas. Range / Resolution / Accuracy
Rel. humidity: 0 to 100%RH / 0,1% / ±1,5% (0 - 90% at 25°C)
Temperature Pt1000 DIN B °C:
-10 to +60°C / 0,1°C / ±0,4°C (at 25°C)
Temperature °F: -14 to 140°F / 0,3°F / ±0,7°F (at 77°F)
Dew point °C: -55 to +60°C / 0,1°C
Dew point °F: -67 to 140°F / 0,3°F
abs. humidity: 0 to 130g/m³ / 0,1g/m³
Equilibrium moisture
content of wood: 2 to 30% / 0,1% / ±0,5% (at 25°C)
Operating temp. range -10°C to 60°C / 14 to 140°F
Storage temp -20°C to 60°C / -4 to 140°F
Temperature compensation Automatic
Memory for meas. values approx. 10.000 meas values
Menu languages Deutsch, English, Français, Italiano
Power supply 4 x 1,5 Volt AA Alkaline Batteries
(approx. 1800 measurements)
Switchoff time after approx. 4 minutes
Power consumption 55 mA (with display lighting)
Display 128 x 64 matrix display,
with LED-backlighting
Dimensions: Housing Sensor Weight
RH1: 145 x 63 x 24mm 100mm x Ø 12mm 220 g
RH5: 145 x 63 x 29mm 295mm x 20mm x 4mm 220 g
Protection class IP 40
Delivery includes Wooden case
4 x 1,5Volt AA Alkaline Batteries
Short instruction manual
measurement
value
measurement
value
HOLD-Key
humidity
measurement
value
Instrument
name
selecting the
calibration
curve
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4.0 MENU
There are 4 menu levels. The symbols show the key
functions in the different menus.
1. Type selection:
2. Saving:
3. Additional level:
Rolling Menu: Use this key to enter the different
menu levels and main menu.
Power: Press this key for to switch the instrument
off (5 sec.) or on (3 sec.). Press this key briefly to
activate the display lighting.
Up: This key moves you to the next type/calibration
curve.
Down: This key moves you to the previous
type/calibration curve.
Disk: Use this key to save measurement values.
If this symbol and a number are beside the disk
symbol an AutoLog series is started.
If only a number is shown in front of the disk symbol the
measurement value can be saved manually (manual
log). Zero means that the number of values saved at that
time is zero.
Alternatively: Hold: The currently shown
measurement value is held. It is released when another
key is pressed.
View logs: If no logs are active (the last
measuring series has been completed), you can use this
symbol to view the saved measuring series.
Alternatively: Edit logs: If logs are active (the current
measuring series is not yet completed), you can press
this symbol and then enter e.g. batch number and
supplier’s data for the series.
Edit type: Needed to calibrate user-defined
calibration curves
In the additional level, press (Rolling Menu) to enter
the main menu.
4. Main menu
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
Log Time
Language
Unlock
°C / °F
Userlevel
BL On Time
Auto Off Time
Calibrate
Materialcalib.
Password
Reset
Status
10.0 CHANGING THE BATTERIES
Batteries are supplied in the instrument when delivered.
Changing the batteries:
Use a finger to press the arrow on the battery cover and
pull it back.
Remove the flat batteries and replace them with four
new 1.5 Volt AA Alkaline Batteries. Make sure you place
the battery poles in the right positions.
Press the batteries down so you can close the cover.
11.0 LIABILITY
The manufacturer is not liable for any incorrect measurements and resulting
damages.
As this rapid measurement procedure is influenced by product-specific and
application-specific conditions, we recommend you carry out a plausibility check on
the measurement results. Each instrument has a serial number and warranty seal. If
this is broken we cannot provide warranty. If the instrument is defective, contact
Electromatic via www.checkline.com.
12.0 OPTIONAL ACCESSORIES
Wall holder / table stand Two-in-one holder for the RHx instrument series made of
acrylic glass.
Interface for printing saved data on a portable printer and/or transferring data to a
PC incl. Software humimeter LogMemorizer
Humimeter LogMemorizer data recording and analysis software for Windows®
PCs based on a database; for recording data, direct analysis of measurement
values in the program, numerous export functions.
Portable measurement value printer – Battery-powered direct thermal printer
Sword cover for RH5 to protect the sword-shaped sensor for use with heavy
stacks.
Sword cover remover for RH5 for removing the sword cover from heavy stacks.
Checking unit and humidity standards: For checking your own RHx humimeter.
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8.0 TEMPERATURE BEHAVIOUR OF THE SENSORS
During humidity and temperature measurement there are many parameters which
affect the time required until the real measurement value is displayed.
The parameter which may cause the largest measuring errors, is the difference in
temperature between the sensors or between the measuring instrument and the
substance to be measured or the air.
To shorten the time required for the sensors/instrument to reach the same
temperature as the substance or air, proceed as follows:
• RH1: Move the instrument around in the air
o Hold the instrument securely in your hand and move it carefully backwards
and forwards. Do not hit other objects with the instrument!
• RH5: Move the sword-shaped sensor into the paper stack
o First push the sword only a short distance into the stack (10 cm). At brief
intervals (10 seconds), push it a few more centimetres into the stack.
If the temperature difference is large, repeat this procedure (several
times if necessary).
o If you use the sword cover to protect the sword-shaped sensor, make sure
they are both the same temperature.
• In this case, push the sword cover little by little into the stack and leave
the sword-shaped sensor in the cover long enough to ensure a correct
measurement result!
9.0 LOOKING AFTER THE INSTRUMENT
Do not drop the instrument or expose it to excessive temperatures. Only clean it
with a lint-free, dry cloth. The instrument is not waterproof. Do not immerse the
sensor in liquid.
For more information on looking after the instrument, see www.checkline.com
How often you need to check the instrument depends on the use and the required
level of accuracy. You can check humimeter RHx instruments yourself (see Optional
accessories)
For a fee we can also carry out a calibration at the factory. In this case you will also
receive a calibration certificate.
5.0 OTHER SYMBOLS AND KEY FUNCTIONS
Menu:
Confirm – activates menu item
Up – long press => jumps to the start of the menu
Down – long press => jumps to the end of the menu
Exit – exits the menu item or menu
Keys in menu items:
Shift – 2nd functional level of the keys
Show the measurement values of the series
Up – next measurement series (chronological)
Down – previous measurement series (chronological)
Change additional data
Delete the measuring series or measurement value
Next measurement value (chronological)
Previous measurement value (chronological)
Enter digits
Enter characters
Continue or move one character to the right
Move one character to the left
Yes
No
: OK
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6.0 OTHER INSTRUMENT FUNCTIONS – OVERVIEW
• Manual saving of single measurement values in a measurement series
• Automatic saving of measurement values in a measuring series
• Selection of the automatic saving interval (3 seconds to 4 hours)
• Display of the measuring series and measurement values directly on the
instrument
• Printout of the saved measuring series
• Transfer and saving of the measuring series on a PC
• Display of the memory and battery status
• Selection of the menu language (DE, EN, FR, IT)
• Temperature shown in degrees Celsius or degrees Fahrenheit
• Activation of a simple user operation
7.0 COMMON REASONS FOR INCORRECT MEASUREMENTS
Sunlight or other sources of heat or cold which do not correspond to the
ambient temperature
Measuring errors due to differences in temperature
To show how important it is that the temperature of the instrument is the same as
the temperature of the substance to be measured, the table below shows measuring
errors due to a temperature difference of only 1°C / 1.8°F between the measuring
instrument and the substance to be measured at different ambient temperatures.
10°C (50°F) 20°C (68°F) 30°C (86°F)
10%r.H. ± 0.7% ± 0.6% ± 0.6%
50%r.H. ± 3.5% ± 3.2% ± 3.0%
90%r.H. ± 6.3% ± 5.7% ± 5.4%
At room temperature (20°C/68°F) and assumed paper m oisture value of 50%r.H. a
deviation of 1°C / 1.8°F between the measuring sens or and the substance to be
measured results in a measuring error of 3.2%r.H. A deviation of 3°C / 5.4°F would
result in a measuring error of over 10%.
Further examples are given in the „Mollier i-x“ diagram.
Dripping or sprayed water
Irreversible damage to the sensor element due to aggressive gases
Danger of condensation following temperature changes
Dirty moisture sensor
Foreign objects on the sensor
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RH1 & RH5
RELATIVE HUMIDITY METER
OPERATING INSTRUCTIONS
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