PCE Instruments 880 Manual de usuario

www.pce-industrial-needs.com

Tursdale Technical Services Ltd

Unit N12B

Tursdale Business Park

Co. Durham

DH6 5PG

United Kingdom

Phone: +44 ( 0 ) 191 377 3398

Fax: +44 ( 0 ) 191 377 3357

info@tursdaletechnicalservices.co.uk

http://www.industrial-needs.com/

Manual

PCE-880 pyrometer

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32@4

800@100

Distanc e(D) t o Spot Size(S)

200@25

16@2

400@50

inch

8@1

D:S=8:1

64@8

1600@200

1. SAFETY ...........................................................................................................................2

2. GENERAL SPECIFICATIONS.........................................................................................2

3. FRONT PANEL DESCIPTION.........................................................................................3

4. INDICATOR .....................................................................................................................3

5. MEASURMENT OPERATION..........................................................................................3

6. BATTERY REPLACEMENT ............................................................................................5

7. Notes: ..............................................................................................................................5

Features:

zPrecise non-contact measurements

zBuilt-in laser pointer

zºC / ºF switchable button

zAutomatic Data Hold & Auto power off

zThe meter at 8 inches away measure 1 inch target

zBacklit LCD display

Wide range application:

Food preparation, Safety and Fire inspectors, Plastic molding, Asphalt, Marine and screen printing, measure ink

and dryer temperature, Diesel and Fleet maintenance.

Laser Marker

InfraRed

Fig: 1

16mm

1. SAFETY

! Use extreme caution when the laser beam is turned on.

!Do not let the beam enter your eye, another person’s eye or the eye of an animal.

!Be careful no to let the beam on a reflective surface strike your eye.

!Do not allow the laser light beam impinge on any gas which can explode.

2. GENERAL SPECIFICATIONS

DISPLAY 3-1/2 digit (1999count) LCD with backlighting

MEAS. RANGES -20ºC to 270ºC / -4ºFto 518ºF

SAMPLE RATE 1 sec. Approx

Spectral Response 6~14um

POWER OFF Automatic shut off after 7 seconds

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789

OPERATING TEMP. 0ºC to 50ºC (32ºF to 122ºF)

OPERATING RH% Max. 80% RH

POWER SUPPLY 9V battery

WEIGHT 180g.

SIZE 159 x 79 x 57.2mm

Resolution 1ºC / ºF

Ranges -20ºC to 270ºC / -4ºF to 518ºF

Accuracy ±2% of reading or ±2ºC / ±4ºF

Note Accuracy is given at 18 oC to 28 oC (64 oF to 82 oF), less than 80

% RH Accuracy specified is for emissivity of 0.95

Emissivity settings 0.95 fixed

Distance Factor D : S= Approx. 8:1 (D=distance, S=spot)

3. FRONT PANEL DESCIPTION

1. IR sensor

2. Laser pointer beam

3. LCD Display

4. ºF select key

5. ºC select key

6. Backlight select key

7. Laser key

8. On/Hold key (Measuring)

9. Battery compartment

4. INDICATOR

1. Digital readout

2. Temperature ºC (Celsius)

3. Temperature ºF (Fahrenheit)

4. Measuring indication

5. Data Hold

6. LOW battery indicator

7. Laser Point

8. Fixed emissivity (0.95)

9. Backlit

5. MEASURMENT OPERATION

A. POWER ON/OFF

The meter automatically powers when the key is pressed. Pull the ON/HOLD trigger key to take a reading. Read the

measured temperature on the LCD. (Fig. A) The meter powers OFF automatically approximately 7 seconds after the

ON/HOLD trigger key is released.

Fig.A

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B. SELECTING UNITS(℃/℉)

Select temperature units (degrees  or ) by first pressing the ON/HOLD key and then pressing the  or  key. The

units will be seen on the LCD. (Fig. B)

Presses the  or  key again to switch the unit (scale) again. See Fig. C.

Fig.B Fig.C

C. DATA HOLD

This meter automatically holds the last temperature reading on the LCD for seven seconds after the ON/HOLD key is

released. No extra key presses are necessary to freeze the displayed reading. (Fig. D)

Fig.D

D. BACKLITE LCD

Select backlight by first pressing the ON/HOLD key and then pressing the Backlight key. Repeat the procedure to turn

the backlight OFF. (Fig.E)

Fig.E

E. LASER POINTER

To turn the laser pointer ON, press the LASER key while pressing the ON/HOLD key. (Fig. F) Press the LASER key

again to turn the laser OFF. (Fig. G)

Fig.F Fig.G

F. MEASUREMENT CONSIDERATIONS

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Holding the meter by its handle, point the IR Sensor toward the object whose temperature is to be measured. The meter

automatically compensates for temperature deviations from ambient temperature. Keep in mind that it will take up to 30

minutes to adjust to wide ambient temperatures are to be measured followed by high temperature measurements, some

time (several minutes) is required after the low (and before the high) temperature measurements are made.

This is a result of the cooling process which must take place for the IR sensor.

6. BATTERY REPLACEMENT

1. As battery power is not sufficient, LCD will display “BAT” replacement with one new battery type 9V is required.

2.Open battery cover, then take out the battery from instrument and replace with a new 9-Volt battery and place the

battery cover back. (Fig.H)

Low battery indicator

7. Notes:

zHow it Works

Infrared thermometers measure the surface temperature of an object. The unit’s optics sense emitted ,

reflected, and transmitted energy, which is collected and focused onto a detector. The unit’s electronics

translate the information into a temperature reading which display on the unit is. In units with a laser, the

laser is used for aiming purposes only.

zField of View

Make sure that the target is larger than the unit’s spot size. The smaller the target, the closer you should be

to it. When accuracy is critical, make sure the target is at least twice as large as the spot size.

zDistance & Spot Size

As the distance (D) from the object increases, the spot size (S) of the area measured by the unit becomes

larger. See: Fig: 1.

zLocating a hot Spot

To find a hot spot aim the thermometer outside the area of interest, then scan across with an up and down

motion until you locate hot spot.

zReminders

1.Not recommended for use in measuring shiny or polished metal surfaces ( stainless steel, aluminium,

etc.).See Emissivity

2.The unit cannot measure through transparent surfaces such as glass. It will measure the surface

temperature of the glass instead.

3.Steam, dust, smoke, etc., can prevent accurate measurement by obstructing the unit’s optics.

zEmissivity

Most (90% of typical applications) organic materials and painted or oxidized surfaces have an emissivity of

0.95 (pre-set in the unit). Inaccurate readings will result from measuring shiny or polished metal surfaces.

To compensate, cove the surface to be measured with masking tape or flat black paint. Allow time for the

tape to reach the same temperature as the material underneath it. Measure the temperature of the tape or

painted surface.

Emissivity VALUES

Substance Thermal emissivity Substance Thermal emissivity

Asphalt 0.90 to 0.98 Cloth (black) 0.98

Concrete 0.94 Human skin 0.98

Cement 0.96 Lather 0.75 to 0.80

Sand 0.90 Charcoal (powder) 0.96

Herat 0.92 to 0.96 Lacquer 0.80 to 0.95

Water 0.92 to 0.96 Lacquer (matt) 0.97

Ice 0.96 to 0.98 Rubber (black) 0.94

Snow 0.83 Plastic 0.85 to 0.95

Glass 0.90 to 0.95 Timber 0.90

Ceramic 0.90 to 0.94 Paper 0.70 to 0.94

Marble 0.94 Chromium oxides 0.81

Plaster 0.80 to 0.90 Copper oxides 0.78

Mortar 0.89 to 0.91 Iron oxides 0.78 to 0.82

Brick 0.93 to 0.96 Textiles 0.90

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In this direction will find a vision of the measurement technique:

http://www.industrial-needs.com/measuring-instruments.htm

NOTE: "This instrument doesn’t have ATEX protection, so it should not be used in potentially explosive

atmospheres (powder, flammable gases)."

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