PCE Instruments PCE-CMM 8 User manual

© PCE Instruments
PCE-CMM 8 CO2 Analyser
User Manual
User manuals in various languages (français,
italiano, español, português, nederlands, türk, polski,
русский, 中文) can be found by using our
product search on: www.pce-instruments.com
Last change: 2 November 2020
v1.0
English

© PCE Instruments
Contents
1Safety notes........................................................................................... 1
2Device description ................................................................................2
2.1 Technical specifications ................................................................................................... 2
2.2 Display / touch screen...................................................................................................... 3
2.3 Dimensions...................................................................................................................... 3
3Operating instructions ......................................................................... 4
3.1 On/off............................................................................................................................... 4
3.2 Settings............................................................................................................................ 4
3.3 Measurement graph / data history.................................................................................... 6
3.4 Alarms.............................................................................................................................. 6
3.5 CO2 traffic light function.................................................................................................... 7
4Warranty.................................................................................................7
5Disposal ................................................................................................. 7

© PCE Instruments
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1 Safety notes
Please read this manual carefully and completely before you use the device for the first time. The
device may only be used by qualified personnel and repaired by PCE Instruments personnel.
Damage or injuries caused by non-observance of the manual are excluded from our liability and
not covered by our warranty.
•The device must only be used as described inthis instruction manual. If used otherwise,
this can cause dangerous situations for the user and damage to the meter.
•The instrument may only be used if the environmental conditions (temperature, relative
humidity, …) are within the ranges stated in the technical specifications. Do not expose
the device to extreme temperatures, direct sunlight, extreme humidity or moisture.
•Do not expose the device to shocks or strong vibrations.
•The case should only be opened by qualified PCE Instruments personnel.
•Never use the instrument when your hands are wet.
•You must not make any technical changes to the device.
•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,
no abrasives or solvents.
•The device must only be used with accessories from PCE Instruments or equivalent.
•Before each use, inspect the case for visible damage. If any damage is visible, do not
use the device.
•Do not use the instrument in explosive atmospheres.
•The measurement range as stated in the specifications must not be exceeded under
any circumstances.
•Non-observance of the safety notes can cause damage to the device and injuries to
the user.
We do not assume liability for printing errors or any other mistakes in this manual.
We expressly point to our general guarantee terms which can be found in our general terms of
business.
If you have any questions please contact PCE Instruments. The contact details can be found at
the end of this manual.

© PCE Instruments
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2 Device description
2.1 Technical specifications
Measured variable CO2
Measurement range
Accuracy
Resolution
0 ... 9999 ppm CO2
±75 ppm or ±5 % of rdg. (the higher value applies)
1 ppm
CO2 sensor type
NDIR sensor
Measured variable temperature
Measurement range
Accuracy
Resolution
-10 ... 50 °C / 14 ... 122 °F
±1 °C
0.1 °C
Measured variable air humidity
Measurement range
Accuracy
Resolution
20 ... 95 % RH
±5 % RH
1 % RH
General technical specifications
Display
3.5" touch LCD
Alarm display
Traffic light function through colour change
Alarm tone
Power supply
5 V mini USB
Standby power
<0.5 W
Environmental conditions
1 ... 85 °C / 14 ... 122 °F
20 ... 85 % RH
Protection class
IP21
Dimensions
approx. 96 x 86 x 32.5 mm / 3.7 x 3.3 x 1.2 mm
Weight
<200 g / <7 oz

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2.2 Display / touch screen
1. Date and time
2. Set lower or upper alarm
3. CO2 reading
4. Increase or decrease alarm value
5. Lock screen
6. Unit change °C / °F
7. Air humidity reading in % RH
8. Show progress diagramme
9. Temperature reading
10. Settings
11. Alarm message
12. On & off
13. Mute alarm
2.3 Dimensions

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3 Operating instructions
3.1 On/off
Touch the icon to turn on the meter. Touch the icon while the power is on to turn off
the meter.
3.2 Settings
Touch the icon to access the settings.
3.2.1 Setting the language
The following languages can be selected in the meter: English, Spanish, Italian, Russian, Polish,
Czech, German, French, Slovenian, Swedish, Portuguese
3.2.2 Setting the date and time
Touch the menu item Clock Setting to set the date and time.
3.2.3 Setting the temperature unit
Touch the menu item Temperature Format to switch between °C and °F.
3.2.4 Setting the display brightness
Touch the menu item Backlight to adjust the display brightness using the arrow keys at the
bottom right of the display. If you touch the item Ambient Light Dimming, the display brightness is
adjusted depending on the ambient light at the time of saving.
3.2.5 Standby screen
Touch the menu item Standby Screen to set the time period when the display dims the
brightness.
3.2.6 Screen lock
Touch the menu item Screen Lock to set a 4-digit PIN to protect against menu access.
Attention: Remember the PIN well. However, if you have forgotten your PIN, you can use the
master PIN 8657.
3.2.7 CO2 alarm limits
Touch the menu item to set the limits for the lower and upper alarm between 450 ... 4500
ppm.

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3.2.8 CO2 factory calibration
Touch the menu item RESET CO2 To Factory Settings to calibrate the CO2 sensor to factory
settings. The meter must be placed in a well ventilated room or placed outside and run for 15
minutes.
3.2.9 Offset settings
3.2.9.1 CO2 offset
Touch the menu item CO2 Sensor Calibration to set an offset for the CO2 reading.
3.2.9.2 Temperature offset
Touch the menu item Built In Sensor to set an offset for the temperature reading.
3.2.9.3 Humidity sensor offset
Touch the menu item Humidity Sensor to set an offset for the humidity value reading.
3.2.10 Selecting the time zone
Touch this menu item to set the time difference from GMT. Press the key to enable
synchronisation of the power on/off time with the internet time. To do this, the meter must be
successfully connected to the internet.
3.2.11 Daylight saving time
Touch the menu item to set the daylight saving time based on the location.
3.2.12 Home screen colour
In the menu item Home Screen Colour , select whether the background colour should be blue
or black.
3.2.13 Alarm tone
Select the option Alarm Speaker Settings . Touch the button to enable/disable the alarm
sound for the lower or upper alarm.

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3.2.14 Reset to factory settings
Select Reset To Factory Settings to reset the meter to its factory default settings.
Attention: All previously made settings are lost!
3.3 Measurement graph / data history
3.3.1 Graph
Touch the icon to view the measurement history of the last 7 days. Here, you can view the
course of CO2, temperature and humidity.
To view the details of a particular day, touch the corresponding area above the date. Touch the
icon to view the previous screen.
3.3.2 Save data history
Touch the icon to view the measurement history of the last 7 days. Then select the menu
item Data Log Table. In the next window, you can save the measurement data per hour in a file
on the device by selecting the Save to File item.
3.3.3 Read data history on the PC
Connect the meter to a PC using the USB cable. The CO2 meter is recognised as a mass storage
device. In the file DATALOG.TXT, you can view the previously saved measurement data.
3.4 Alarms
Touch the number in the toprightcorner to set the alarmvaluesfor High and Low. TheCO2 meter
uses these values to change the colour of the digits for the measured value and an alarm tone
can be heard, if selected.
3.4.1 Set upper alarm (High)
As soon as “high”appears in the upper right corner, you can set the upper alarm value using the
+ and - buttons. This default setting for this alarm threshold is 1200 ppm.
3.4.2 Set lower alarm (Low)
As soon as “low”appears in the upper right corner, you can set the lower alarm value using the
+ and - buttons. This default setting for this alarm threshold is 800 ppm.
3.4.3 Temporarily deactivating the alarm tone
If the alarm sound has been enabled in the settings, it sounds as soon as the measured value
exceeds or falls below the upper/lower alarm value. However, you can also temporarily deactivate
it by touching the icon on the main screen.

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3.5 CO2 traffic light function
The CO2 meter has a traffic light function (CO2traffic light). The default limit values for changing
colours are as follows:
Air quality
CO2 content
Colour
Good
400 ... 800 ppm
Green
Ok
800 ... 1200 ppm
Yellow
Poor
1200 ... 5000 ppm
Red
4 Warranty
You can read our warranty terms in our General Business Terms which you can find here:
https://www.pce-instruments.com/english/terms.
5 Disposal
For the disposal of batteries in the EU, the 2006/66/EC directive of the European Parliament
applies. Due to the contained pollutants, batteries must not be disposed of as household waste.
They must be given to collection points designed for that purpose.
In order to comply with the EU directive 2012/19/EU we take our devices back. We either re-use
them or give them to a recycling company which disposes of the devices in line with law.
For countries outside the EU, batteries and devices should be disposed of in accordance with
your local waste regulations.
If you have any questions, please contact PCE Instruments.

© PCE Instruments
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PCE Instruments contact information
Germany France Spain
PCE Deutschland GmbH PCE Instruments France EURL PCE Ibérica S.L.
Im Langel 4 23, rue de Strasbourg Calle Mayor, 53
D-59872 Meschede 67250 Soultz-Sous-Forets 02500 Tobarra (Albacete)
Deutschland France España
Tel.: [phone] Téléphone: [phone] Tel. : [phone]
Fax: [phone] Numéro de fax: [phone] Fax: [phone]
[email protected] [email protected] [email protected]
www.pce-instruments.com/deutsch www.pce-instruments.com/french www.pce-instruments.com/espanol
United Kingdom Italy Turkey
PCE Instruments UK Ltd PCE Italia s.r.l. PCE Teknik Cihazları Ltd.Şti.
Unit 11 Southpoint Business Park Via Pesciatina 878 / B-Interno 6 Halkalı Merkez Mah.
Ensign Way, Southampton 55010 Loc. Gragnano Pehlivan Sok. No.6/C
Hampshire Capannori (Lucca) 34303 Küçükçekmece - İstanbul
United Kingdom, SO31 4RF Italia Türkiye
Tel: [phone] Telefono: [phone] Tel: [phone]
Fax: [phone] Fax: [phone] Faks: 0212 705 53 93
[email protected] [e-mail] in[email protected]
www.pce-instruments.com/english www.pce-instruments.com/italiano www.pce-instruments.com/turkish
The Netherlands China Hong Kong
PCE Brookhuis B.V. PCE (Beijing) Technology Co., Limited PCE Instruments HK Ltd.
Institutenweg 15 1519 Room, 6 Building Unit J, 21/F., COS Centre
7521 PH Enschede Zhong Ang Times Plaza 56 Tsun Yip Street
Nederland No. 9 Mentougou Road, Tou Gou District Kwun Tong
Telefoon: [phone] 102300 Beijing, China Kowloon, Hong Kong
[email protected] Tel: [phone] Tel: [phone]
www.pce-instruments.com/dutch [email protected] [email protected]
www.pce-instruments.cn www.pce-instruments.cn
United States of America
PCE Americas Inc.
1201 Jupiter Park Drive, Suite 8
Jupiter / Palm Beach
33458 FL
USA
Tel: [phone]
Fax: [phone]
[email protected]
www.pce-instruments.com/us