PCE Instruments PCE-889 Manual de usuario

Infrared Thermometer

PCE-889

Operating Manual

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]

TABLE OF CONTENTS

INTRODUCTION………………………………………………………………………….

FEATURES……………………………………………………………………………….

WIDE RANGE APPLICATION …………………………………………………………….

SAFETY…………………………………………………………………………………..

DISTANCE & SPOT SIZE…………………………………………………………………

SPECIFICATIONS…………………………………………………………………………

FRONT PANEL DESCRIPTION……………………………………………………………

INDICATOR………………………………………………………………………………..

BUTTONS…………………………………………………………………………………

MEASURMENT OPERATION………………………………………………………………

BATTERY REPLACEMENT………………………………………………………………..

NOTES…………………………………………………………………………………….

MAINTENANCE …………………………………………………………………………..

INTRODUCTION

Thank you for purchase of the IR Thermometer. This is capable of non-contact (infrared) temperature

measurements at the touch of a button. The built-in laser pointer increases target accuracy while the

backlight LCD and handy push-buttons combine for convenient, ergonomic operation.

The Non-contact Infrared Thermometers can be used to measure the temperature of objects’ surface that

is improper to be measured by traditional (contact) thermometer (such as moving object, the surface with

electricity current or the objects which are uneasy to be touched.)

Proper use and care of this meter will provide years of reliable service.

FEATURES:

zPrecise non-contact measurements

zHigh distance to target ratio measures smaller surface areas at greater distances

zWidest temperature range

zUnique flat surface, modern housing design

zBuilt-in laser pointer

zAutomatic Data Hold

z℃/℉switch

zEmissivity Digitally adjustable from 0.10 to 1.0

zMAX,MIN,DIF, AVG temperature displays

zBacklight LCD display

zBuilt-in laser pointer

zAutomatic selection range and Display Resolution 0.1ºC(0.1ºF)

zTrigger lock

zSet high and low alarms

WIDE RANGE APPLICATION:

Food preparation, Safety and Fire inspectors, Plastic molding, Asphalt, Marine and Screen printing,

measure ink and Dryer temperature, HVAC/R, Diesel and Fleet maintenance.

1. SAFETY

zUse extreme caution when the laser beam is turned on.

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

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

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

Distance & Spot Size

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

becomes larger. The relationship between distance and spot size for each unit is listed below. The focal

point for each unit is 914mm (36”). The spot sizes indicate 90% encircled energy.

Fig: 1

2. SPECIFICATIONS

Temperature range D: S

-50 to 1000 oC (-58 to 1832℉) 50:1

Display resolution 0.1

oC(0.1℉)

Accuracy for targets:

Assumes ambient operating temperature of 23 to 25 oC (73 to 77℉)

-50 to -20℃(-58 to -4℉): ±5 oC(±9℉)

-20 to 200℃(-4 to 392℉): ± 1.5% of reading + 2℃(±3.6℉);

200 to 538℃(392 to 1000℉): ± 2.0% of reading +2℃(±3.6℉);

538 to 1000℃(1000 to 1832℉): ± 3.5% of reading ± 5℃(±9℉)

Response time less than 1 second

Spectral response 8~14um

Emissivity Digitallyadjustablefrom0.10to1.0

Over range indication LCD will show “-0L”,”0L”

Polarity Automatic(noindicationforpositivepolarity);

Minus (-) sign for negative polarity

Diode laser output <1mW,Wavelength 630~670nm,

Class2(II) laser product

Operatingtemp. 0to50℃(32 to 122℉)

Storage temp. –20 to 60℃(-4 to 140℉)

Relative humidity 10%~90%RH operating, <80%RH storage

Power supply 9V battery, NEDA 1604A or IEC 6LR61, or equivalent

Weight 290g (10.2 oz.)

Size 100 x 56 x 230mm (3.9 x 2.2 x 9.0”)

Safety “CE”ComplywithEMC

Note:

zAccuracy: Given at 18 to 28 oC (64

to 82

℉), less than 80 % RH.

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.

3. FRONT PANEL DESCRIPTION

① IRsensor

②Laser pointer beam

③LCD Display

④down button

⑤up button

⑥mode button

⑦laser/backlight button

⑧ Measurement Trigger

⑨ Handle Grip

⑩ Battery Cover

4. INDICATOR

① Data hold

② Measuring indication

③ Emissivity symbol and value

④ Low battery, lock and laser” on” symbols

⑤ Backlight “on” symbol

⑥ ℃/℉symbol

⑦ High alarm and low alarm symbol

⑧ Temperature values for the MAX, MIN, DIF,

AVG HAL and LAL.

⑨ Symbols for EMS MAX, MIN, DIF, AVG,

HAL and LAL.

⑩ Current temperature value

5. Buttons

① Up button (for EMS,HAL,LAL)

② MODE button

(for cycling through the mode loop)

③ Down button (for EMS,HAL,LAL)

④ Laser/Backlight on/off button

(pull trigger and press button to

activate laser/backlight)

MODE

MODE Button Function

The infrared thermometer measures Maximum (MAX), Minimum

(MIN), Differential (DIF), and Average (AVG) Temp. Each time you

take a reading. This data is stored and can be recalled with the

MODE button until a new measurement is taken. When the trigger is

pulled again, the unit will begin measuring in the last mode

selected.

Pressing the MODE button also allows you to access the High

MODE Alarm(HAL), Low Alarm(LAL),Emissivity(EMS).Each time you press

MODE ,you advance through the mode cycle.

The diagram shows the sequence of functions in the MODE cycle.

Switching C/F ,LOCK ON/OFF and SET ALARM.

① C/F

② LOCK ON/OFF

③ SET ALARM

Select the temperature units (oC or oF) using the oC/oFswitch

To lock the unit on for continuous measurement, slide the

middle switch LOCK ON/OFF right. If the trigger is pulled

while the unit is lock on, the laser and backlight will turn on if

they have been activated. When the unit is locked on, the

backlight and laser will remain on unless it is turned off using

the Laser/Backlight button on the keypad.

To activate the alarms, please slide the bottom switch SET ALARM right.

To set values for the High Alarm (HAL), Low Alarm (LAL) and Emissivity (EMS), firstly active the display

by pulling the trigger or press the MODE button, then press the MODE button until the appropriate code

appears in the lower left corner of the display, press the UP and down buttons to adjust the desired

values.

6. MEASURMENT OPERATION

① Hold the meter by its Handle Grip and point it toward the surface to be measured.

② Pull and hold the Trigger to turn the meter on and begin testing. The display will light if the

battery is good. Replace the battery if the display does not light.

③ While measuring, the SCAN display icon will appear ins the upper left hand corner of the LCD.

MAX

MIN

DIF

AVG

HAL

LAL

EMS

④Release the Trigger and the HOLD display icon will appear on the LCD indicating that the

reading is being held.

⑤The meter will automatically power down after approximately 7 seconds after the trigger is

released.(Unless the unit is locked on)

Note: Measurement considerations

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.

7. BATTERY REPLACEMENT

①As battery power is not sufficient, LCD

will display “ ” replacement with one

new battery type 9V is required.

②Open battery cover, then take out the

battery from instrument and replace with a

new 9-Volt battery and place the battery

cover back.

8. 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 is display on the unit. 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,

aluminum, etc.).See Emissivity

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

temperature of the glass instead.

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

zEmissivity

Emissivity is a term used to describe the energy-emitting characteristics of materials.

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

Earth 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

9. MAINTENANCE :

zRepairs or service are not covered in this manual and should only be carried out by qualified

trained technician.

zPeriodically ,wipe the body with a dry cloth. Do not use abrasives or solvents on this instrument.

zFor service , use only manufacturer’s specified parts.

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