PCE Instruments PCE - 777N Bedienungsanleitung

Manual

Temperature Meter PCE - 777N

Version 1.0

Date of creation: 31.03.2016

Date of last change: 01.04.2016

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

Contents

1Introduction .............................................................................................................3

1.1 Delivery content.......................................................................................................................... 3

2Safety notes.............................................................................................................3

2.1 Warning symbol.......................................................................................................................... 3

2.2 Warning ...................................................................................................................................... 4

3Specifications..........................................................................................................4

4System description.................................................................................................5

5Operation.................................................................................................................6

5.1 Measuring process ..................................................................................................................... 6

5.2 Switching device on and off........................................................................................................ 6

5.3 Measuring values “frozen” (Data-Hold)...................................................................................... 6

5.4 Selection of the temperature unit (°C/°F) ................................................................................... 6

5.5 MAX/MIN function....................................................................................................................... 6

5.6 Laser pointer and display backlighting ....................................................................................... 6

5.7 General notes to the infrared measurement............................................................................... 7

6Emissivities .............................................................................................................7

7Maintenance and cleaning......................................................................................8

7.1 Cleaning...................................................................................................................................... 8

8Disposal...................................................................................................................9

9Contact.....................................................................................................................9

9.1 PCE Instruments UK .................................................................................................................. 9

9.2 PCE Americas ............................................................................................................................ 9

Manual

1 Introduction

Thank you for purchasing a PCE-777N from PCE Instruments.

The contact-free thermometer PCE-777N can measure surface temperatures using an infrared sensor,

over a great distance without interference.

This lightweight compact remote thermometer is characterised by ease of use and includes a convenient

red laser pointer, enabling the user to aim precisely at the surface area, of which the temperature is to be

measured. The device is suitable for use in industry, in the workshop, for service and maintenance, for

example for heating and ventilation, air conditioning, vehicle maintenance, or for checking electrical

installations and control cabinets. The display back lighting may be switched on or off. It enables

temperature readings to be taken remotely, quickly and easily from a safe distance. Thus allowing the

user to measure very high temperatures, moving objects, or surfaces that would otherwise be difficult to

access. The emissivity of the thermometer is set at 0.95, therefore covering about 90 % of temperature

measurement applications.

1.1 Delivery content

1 x Contact-free thermometer

1 x Battery

1 x Manual

2 Safety notes

Please read the operating manual thoroughly before using the device.

No liability is accepted for damage to the equipment if the operating procedure, as specified in the

manual, is not adhered to.

The thermometer uses a class 2 laser. Do not look into the laser pointer. This can lead to

eye damage. The laser must not be switched on if anyone is in the field of vision. The

laser beam must not be aimed at explosive gases.

2.1 Warning symbol

Manual

2.2 Warning

If the safety notes are not adhered to, then the device could get damaged; also, this can lead to

personal injury.

Do not to expose the device to extreme environmental conditions, direct solar radiation, extreme

humidity or moisture.

Do not use the device with wet hands.

No technical changes should be carried out on the device.

The device should be cleaned with a damp and lint-free cotton cloth. Do not use scouring agents

or solvents.

The device is only allowed to be used with the offered PCE Instrument accessories or an

equivalent replacement.

Before each use, check the housing for any visible signs of damage. If any signs of damage are

visible, do not use the device.

The measuring device must not be used in environmental conditions that are not within the limits

(temperature, humidity…) stated in the specification table.

The measuring device must not be used in an explosive atmosphere.

Before each use, please check the device by measuring a known factor.

The measured value limits as stated in the specification table, must not be exceeded.

The laser beam is not allowed to be aimed at people or at animals. The reflected beam off a

shiny surface is not allowed to shine into anyone’s eyes.

Do not look into the laser beam.

If you have any queries, please contact PCE Instruments.

3 Specifications

Temperature measuring range

-30 … +260 °C / -22 … 500 °F

Resolution

0.1 °C

Accuracy

(Specified at 18 °C to 28 °C, <80 % RH)

±4 °C (in the range from -30 °C … 0 °C)

±2 % or ±2 °C (in the range from 0 °C … 260 °C)

Response time

<1 s

Spectral range

6 ~ 14 µm

Automatic switch off

after 8 s of inactivity

Power supply

9 V block battery

Dimensions

82 x 41.5 x 160 mm

Environmental conditions

Operation: 0 … 50 °C, 10 % … 90 % RH

Storage: -20 °C … 60 °C, <80 % RH

Weight

180 g

Measuring spot (measuring distance to measuring

point size)

8:1

Emissivity (non-adjustable)

0.95

Laser point / target point

Visible single-point laser beam,

performance <1 mW, wavelength 630 ~ 670 nm,

class ll

LC display

3-5 digits, backlit

Manual

4 System description (1) Infrared sensor

(2) Laser pointer

(3) Display

(4) Key for unit °C (Centigrade) / °F (Fahrenheit)

(5) Selection key minimal / maximal value display

(6) Key for laser and display backlighting

(7) Measurement trigger

(8) Battery compartment

(1) Symbol for ongoing measuring

process

(2) Symbol for “frozen” measuring results

(Data-Hold)

(3) Symbol for active laser point

(4) Emissivity (non-adjustable)

(5) Symbol for unit °C/°F

(6) Symbol for low battery level

(7) MAX/MIN value

(8) MAX/MIN symbol

(9) Measuring results

Manual

5 Operation

5.1 Measuring process

Hold the device by the grip and aim at the object the surface temperature of which is to be measured.

The device automatically compensates for any temperature fluctuations from the surrounding

environment. Please note that it may take up to thirty minutes before the device fully registers major

changes in the surrounding or ambient temperature. It is also advisable to wait several minutes between

taking very high or very low readings. This will allow the infrared sensor time to regain its correct

operating temperature before taking the next reading.

5.2 Switching device on and off

The device switches on automatically when the measuring trigger (7) is pressed. Keep the trigger pressed

to carry out a measurement. Read the measuring values on the display. The device switches off after

approx. 8 seconds of inactivity.

5.3 Measuring values “frozen” (Data-Hold)

After releasing the trigger (7), the measuring device automatically keeps the measuring value on the

display for approx. 8 seconds. No additional user tasks are necessary.

5.4 Selection of the temperature unit (°C/°F)

To change the units between Centigrade and Fahrenheit keep the measuring trigger pressed. Then by

pressing the °C (Centigrade) and °F (Fahrenheit) (4), the desired unit may be selected. The selected unit

is then shown on the display.

5.5 MAX/MIN function

The function of the minimal and maximal value is controlled by pressing the selection key minimal /

maximal value display (5) repeatedly. The activated function is indicated by a symbol on the display.

5.6 Laser pointer and display backlighting

Press and hold the measuring trigger and:

press the laser activation key (6), to switch the laser pointer on. The laser pointer is activated

When it is switched on, a symbol appears on the display that the laser pointer (3) is activated.

press the backlighting key (6) twice, to turn on the lighting.

press the laser activating key (6) three times to switch the laser pointer off.

press the backlighting key (6) four times to switch the lighting off.

Manual

5.7 General notes to the infrared measurement

Fundamental principle

Infrared thermometers measure the surface temperature of an object. The device picks up the thermal

emissions of an object, collects them and focusses them onto a sensor. The device electronics transfer

the information into a temperature value that is then shown on the display. The laser pointer helps aim at

the area to be measured.

Field of View (FOV) / Field of vision / Measured surface

Ensure that the area to be measured is larger than the measuring surface of the device. The smaller the

object is, the closer the device should be held towards the object. The general rule is that the object

should be double the size of the measured surface.

Measurement of metallic surfaces

It is recommended not to measure the temperature of shiny and polished metallic surfaces (stainless

steel and aluminium) as the thermal emissions may fluctuate.

Measurement through glass

The device cannot measure the temperature of transparent surfaces such as glass. Instead the

temperature of the glass is measured.

Influence of fog, dust, smoke, etc.

The reduced visibility may lead to incorrect readings.

6 Emissivities

Most organic material, such as painted and oxidised surfaces have an emissivity of approx.0.95 (non-

adjustable value set in device). Some surfaces (e. g. shining metals) can lead to incorrect measurements.

To compensate the effect, cover the measuring area with black tape, or a thin black coating of paint. Wait

for the tape or the coating to have reached the same temperature as the surface. Measure the

temperature of the black tape or the coating.

Manual

7 Maintenance and cleaning

Warning: To prevent incorrect measurements and any

resulting personal injuries, replace the battery as soon

as the battery symbol appears.

If the battery voltage is insufficient then the battery

symbol appears on the display. Replace the 9 V

battery, to prevent incorrect measurements and any

resulting dangers. Remove the battery compartment

cover to replace the battery and take the old battery out

and insert a new 9 V battery. Then fit the compartment

cover back on to the device.

7.1 Cleaning

The device should be cleaned with a damp and lint-free cotton cloth and if necessary with a gentle

detergent. Do not use scouring agents or solvents.

Manual

8 Disposal

For the disposal of batteries, 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.

If you have any questions, please contact PCE Instruments.

9 Contact

If you have any questions about our range of products or measuring instruments please contact PCE

Instruments.

9.1 PCE Instruments UK

By post:

PCE Instruments UK Ltd.

Units 12/13 Southpoint Business Park

Ensign Way, Southampton

Hampshire

United Kingdom, SO31 4RF

By phone:

02380 987 035

9.2 PCE Americas

By post:

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

33458 FL

USA

By phone:

561 320 9162

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