PCE Instruments PCE-EM 888 Manuel utilisateur

PCE-EM 888 Lux Meter

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: 10 August 2018

v1.0

English

Contents

1Safety notes........................................................................................... 1

2Introduction ........................................................................................... 2

2.1 Delivery contents .............................................................................................................. 2

3Specifications........................................................................................ 2

4Device Description................................................................................4

5Power on/off .......................................................................................... 4

6Measuring Functions............................................................................ 4

6.1 Air flow measurement and temperature ............................................................................ 5

6.2 Volume flow measurement ............................................................................................... 5

6.3 Barometric pressure measurement (abs. pressure) .......................................................... 5

6.4 K-type thermocouple ........................................................................................................ 5

6.5 Light measurement .......................................................................................................... 5

6.6 Humidity and ambient temperature ................................................................................... 5

6.7 Dew point measurement .................................................................................................. 5

7Hold function......................................................................................... 6

8MAX/MIN data recording ......................................................................6

9Auto Power Off......................................................................................6

10 Battery level indicator .......................................................................... 6

11 Warranty................................................................................................. 7

12 Disposal ................................................................................................. 7

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 in this 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.

2 Introduction

The PCE-EM 888 climate meter enables the user to measure the most important environmental

conditions. Due to its dimensions and its low weight, this environmental tester is like a portable

weather station and can be used in any place. You only need to press a single key to view all

weather information in numerical terms. This makes the PCE-EM 888 ideal for construction

workers, field staff, engineers / technicians, sailors, pilots, farmers and lots of other persons who

have to rely on the weather or whose work is substantially influenced by the weather.

2.1 Delivery contents

1 x PCE-EM 888 hygrometer

1 x Type K thermocouple sensor TF-500

1 x 9V battery

1 x User manual

3 Specifications

Wind speed

Measuring range

80 ... 5910 ft / min

0.4 ... 30 m / s

1.4 ... 108 km / h

0.9 ... 67 mph

0.8 ... 58.9 knots

Resolution

1 ft / min

0.1 m / s

0.1 km / h

0.1 mph

0.1 knot

Accuracy

< 20 m / s: ± 3% of range

> 20 m / s: ± 4% of range

Volumetric air flow

Measuring range

Max. 54000 CMM

Max. 908400 CFM

Resolution

0.0001 ... 1 CMM

0.001 ... 100 CFM

Relative humidity

Measuring range

10 ... 95% RH

Resolution

0.1% RH

Accuracy

< 70% RH ± 4% of range

> 70% RH ± (4% of range + 1.2% RH)

Air temperature

Measuring range

0 ... 50 ° C / 32 ... 122 ° F

Resolution

0.1 ° C / 0.1 ° F

Accuracy

± 1.2 ° C / ± 2.5 ° F

Light

Measuring range

0 ... 2000 lux

1800 ... 20000 lux

0 ... 204 ft-cd

170 ... 1860 ft-cd

Resolution

1 lux

10 lux

0.1 ft cd

1 ft cd

Accuracy

± 5% of range ± 8 digits

Type K thermocouple sensor

Measuring range

-100 ... 1300 ° C / -148 ... 2372 ° F

Resolution

0.1 ° C / 0.1 ° F

Accuracy

± (1% of range + 1 ° C)

± (1% of range + 2 ° F)

Barometric pressure

Measuring range

10 ... 999.9 hPa

1000 ... 1100 hPa

7.5 ... 825 mmHg

0.29 ... 32.48 inHg

Resolution

0.1 hPa

1 hPa

0.1 mmHg

0.01 inHg

Accuracy

± 1.5 hPa

± 2 hPa

± 1.2 mmHg

0.05 inHg

General specifications

Display

8 mm (0.32") LCD

Measurement

functions

Air speed / velocity

Volumetric air flow

Relative humidity

Air temperature

Light

Atmospheric / barometric pressure

Thermocouple type K

Operating conditions

0 ... 50 ° C (32 ... 122 ° F) / Max. 80% RH

Power supply

1 x 9 V battery

Current consumption

Approx. 6.2 mA

Weight

Approx. 160 g / 0.36 lb

Dimensions

156 x 60 x 33 mm / 6.2 x 2.4 x 1.3"

4 Device Description

1 Power/ESC Button

2 Hold Button

3 MIN/MAX Button

4 Unit/Zero Button

5 Temp./Lux Button

(℃/℉/▲/Lux/Ft-cd)

6 Function/▼ Button

7 Wind Sensor

8 Connection

K-type thermocouple

9 Temp./Humidity

Sensor

10 Light Sensor

11 Display

12 Battery Compartment

13 Carrying Strap

5 Power on/off

Power on: Press "Power Button" once.

Power off: During power on, press "Power Button" once.

Note: If MAX/Min recording has been started (“REC” icon in the display), you will not be able to

turn off the instrument.

6 Measuring Functions

The meter has these 7 functions:

Display indication

Measuring function

Air flow and temperature

AirFL

Volume flow

bAr

Absolute air pressure

K-type thermometer

LIgHt

Light

Humidity/Temp.

Dew point

In order to change the measuring function, press the function key until the right function is

displayed.

Note: If the measured value is held („HOLD“ icon in the display) or MAX/MIN recording has

been started (“REC” icon in the display), the measuring function cannot be switched.

6.1 Air flow measurement and temperature

During the airflow measurement, you can also read out the current temperature in the display.

The temperature will be shown in the bottom left-hand part of the display.

Now press the Unit/Zero Button to switch the airflow units. In order to change the temperature,

press the Temp./Lux Button (℃/℉/▲/Lux/Ft-cd).

6.2 Volume flow measurement

For volume flow measurement, you can select the unit “CMM” for cubic meters or “CFM” for

cubic feet per minute. Press the "Unit/Zero Button" to switch the volume flow unit.

6.2.1 Set measuring area for volume flow

To set the measuring area for the volume flow, first select the desired unit. The press the

Temp./Lux Button (℃/℉/▲/Lux/Ft-cd). The display will show “m-2” for square metres and “f-2” for

square feet. Now set the area. The Unit/Zero Button is used to get to the next digit and the

Temp./Lux Button (℃/℉/▲/Lux/Ft-cd) and the Function/▼ Button are used to increase and

decrease the value respectively. To confirm the set value, push the MIN/MAX Button. The

measurement will start after a few minutes.

Note: It is not possible to enter round measuring areas.

6.3 Barometric pressure measurement (abs. pressure)

To change the unit for the air pressure measurement, press the Unit/Zero Button. You can select

HPA, inHP or mmHP.

6.4 K-type thermocouple

First plug a K-type thermocouple into the socket of the device. The temperature value will be

displayed immediately. To change the temperature unit, push the Temp./Lux Button

(℃/℉/▲/Lux/Ft-cd).

6.5 Light measurement

When you make a light measurement, the display will turn by 180 °. Turn the device by 180 ° as

well to make sure the light sensor lies bare and you can read out the measurement values. Press

the Temp./Lux Button (℃/℉/▲/Lux/Ft-cd) to select measuring unit "Lux" or "Ft-cd".

6.5.1 Zero point of the light sensor

When the environmental temperature or the battery capacity changes, the zero point of the light

sensor can drift. To get the most accurate measurement results, it is recommended to zero the

device regularly. To do so, cover the sensor so that it is no longer exposed to any light. Then

press the Unit/Zero Button to zero the device. Zeroing is only possible if the indicated value is

below 20 lux.

6.6 Humidity and ambient temperature

While measuring the current air humidity, you can also read out the current ambient temperature.

To change the temperature unit, press the Temp./Lux Button (℃/℉/▲/Lux/Ft-cd).

6.7 Dew point measurement

When making a dew point measurement, you can change the unit by pressing the Temp./Lux

Button (℃/℉/▲/Lux/Ft-cd).

7 Hold function

Whenever you press the Hold Button, the current reading will freeze and a "HOLD" symbol will

appear on the display. Press the Hold Button again to unfreeze the value and proceed with your

ongoing measurement.

8 MAX/MIN data recording

Recording can be started by pressing the MIN/MAX Button. “REC” will appear in the display. Only

the lowest and the highest value will be saved when using this function. All other values will be

dropped. Press the MIN/MAX Button to view the saved values. Press the Hold Button to start

recording again. To get back to normal measurement mode, press and hold the MAX/MIN Button

for three seconds.

9 Auto Power Off

In order to prolong the battery life, the instrument has an "Auto Power Off" function. The meter

will switch off automatically if no buttons are pressed for around 10 minutes. When data are

recorded or a value has been held, this function will be disabled.

10 Battery level indicator

When the LCD display shows the symbol, it is necessary to replace the 9 V block battery.

Measurement may still be made for several hours after the low battery indicator appears.

However, faulty measurements can occur then.

To change the battery, open the battery compartment cover on the rear side of the meter. To

loosen the screw, you will need a screwdriver. Remove the old battery and replace it by a new

one. Observe correct polarity and re-install the battery compartment cover.

11 Warranty

You can read our warranty terms in our General Business Terms which you can find here:

https://www.pce-instruments.com/english/terms.

12 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 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.: +49 (0) 2903 976 99 0 Téléphone: +33 (0) 972 3537 17 Tel. : +34 967 543 548

Fax: +49 (0) 2903 976 99 29 Numéro de fax: +33 (0) 972 3537 18 Fax: +34 967 543 542

[email protected] [email protected] [email protected]

www.pce-instruments.com/deutsch www.pce-instruments.com/french www.pce-instruments.com/espanol

United States of America United Kingdom Italy

PCE Americas Inc. PCE Instruments UK Ltd PCE Italia s.r.l.

711 Commerce Way suite 8 Units 12/13 Southpoint Business Park Via Pesciatina 878 / B-Interno 6

Jupiter / Palm Beach Ensign Way, Southampton 55010 LOC. GRAGNANO

33458 FL Hampshire CAPANNORI (LUCCA)

USA United Kingdom, SO31 4RF Italia

Tel: +1 (561) 320-9162 Tel: +44 (0) 2380 98703 0 Telefono: +39 0583 975 114

Fax: +1 (561) 320-9176 Fax: +44 (0) 2380 98703 9 Fax: +39 0583 974 824

[email protected] [email protected] [email protected]

www.pce-instruments.com/us www.pce-instruments.com/english www.pce-instruments.com/italiano

The Netherlands Chile Hong Kong

PCE Brookhuis B.V. PCE Instruments Chile S.A. PCE Instruments HK Ltd.

Institutenweg 15 RUT: 76.154.057-2 Unit J, 21/F., COS Centre

7521 PH Enschede Santos Dumont 738, local 4 56 Tsun Yip Street

Nederland Comuna de Recoleta, Santiago, Chile Kwun Tong

Telefoon: +31 (0)53 737 01 92 Tel. : +56 2 24053238 Kowloon, Hong Kong

Fax: +31 53 430 36 46 Fax: +56 2 2873 3777 Tel: +852-301-84912

[email protected] [email protected] [email protected]

www.pce-instruments.com/dutch www.pce-instruments.com/chile www.pce-instruments.cn

China Turkey

PCE (Beijing) Technology Co.,Ltd PCE Teknik Cihazları Ltd.Şti.

1519 Room, 6 Building Halkalı Merkez Mah.

Men Tou Gou Xin Cheng, Pehlivan Sok. No.6/C

Men Tou Gou District 34303 Küçükçekmece - İstanbul

102300 Beijing Türkiye

China Tel: 0212 471 11 47

Tel: +86 (10) 8893 9660 Faks: 0212 705 53 93

[email protected] [email protected].tr

www.pce-instruments.cn www.pce-instruments.com/turkish

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