Dometic AirCon ST-8810 Owner's manual

DE 2 Infrarot-Thermometer

Bedienungsanleitung

EN 11 Infrared Thermometer

Operating manual

FR 19 Thermomètre infrarouge

Manuel d’utilisation

ES 28 Termómetro de infrarrojos

Instrucciones de uso

IT 37 Termometro a infrarossi

Istruzioni per l’uso

NL 46 Infrarood thermometer

Gebruiksaanwijzing

DA 54 Infrarødt termometer

Betjeningsvejledning

SV 62 Infraröd temperaturmätare

Bruiksanvisning

NO 71 Infrarødt termometer

Bruiksanvisning

FI 79 Infrapuna-lämpömittari

Käyttöohje

ST-8810

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ST-8810 Safety instructions

11

Contents

1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2 Technical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3 Measurement Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4 Battery replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1 Safety instructions

z Use extreme caution when the laser beam is powered on.

z Do not point the laser beam into your eyes, another person’s

eye or the eye of an animal.

z Make sure that the laser beam pointed on a reflective surface

don’t strike your eye.

z Do not allow the laser beam pointed on any gas which can

explode.

2 Technical description

Features

z Precise non-contact measurements

z Built-in laser pointer

z Selection of °C/°F indication

z Automatic data hold

z Auto power off

z Backlight LCD display

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Technical description ST-8810

12

z At a distance of 200 mm the meter can measure targets with a diameter

of 25 mm (at a distance of 400 mm: target diameter ≥ 50 mm, etc.; see

Fig. 1).

Wide range application

Food preparation, Safety and Fire inspectors, Plastic molding, Asphalt, Ma-

rine and screen printing, measure ink and dryer temperature, Diesel and

Fleet maintenance.

2.1 Front panel

1

IR sensor

2

Laser pointer beam

3

LCD Display

4

“°F” key

5

“°C” key

6

“Backlight” key

7

“Laser” key

8

“On/Hold” key (Measuring)

9

Battery compartment

16 mm

Ø 25 mm

Ø 50 mm

Ø 100 mm

Ø 200 mm

0 200 400 800 1600 mm

Laser marker

Infrared

Fig. 1

1

2

3

4

6

5

7

8

9

Fig. 2

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ST-8810 Measurement Operation

13

2.2 Indicator

3 Measurement Operation

3.1 Power ON/OFF

The meter automatically powers up when the key is pressed. Pull the “On/

Hold” key to read the display. Read the measured temperature on the LCD

(Fig. 4). The meter automatically powers off approximately 7 s after releasing

the “On/Hold” key.

1

Digital read-out

2

Temperature °C (Celsius)

3

Temperature °F (Fahrenheit)

4

Measuring indication

5

Data Hold

6

Low battery indicator

7

Laser Pointer

8

Fixed emissivity (0.95)

9

Backlight

1

2

3

6

5

4

78

9

Fig. 3

Fig. 4

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Measurement Operation ST-8810

14

3.2 Selecting temperature unit (°C/°F)

Select the temperature unit (degrees °C or degrees °F) by first pressing the

“On/Hold” key and then pressing the “°C” or “°F” key. The actual unit will be

indicated on the LCD.

Press the “°C” key to set the unit to “degrees °C”. (Fig. 5).

Press the “°F” key to set the unit to “degrees °F” (Fig. 6).

3.3 Data hold

The meter automatically maintains the last temperature reading on the LCD

for 7 s after releasing the “On/Hold” key. No additional keys are required to

freeze the displayed reading (Fig. 7).

3.4 Backlight LCD

Turn on the backlight by first pressing the “On/Hold” key and then pressing

the “Backlight” key.

Repeat the procedure to turn the backlight off (Fig. 8).

Fig. 5 Fig. 6

Fig. 7

Fig. 8

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ST-8810 Battery replacement

15

3.5 Laser pointer

To turn on the laser pointer, press the “Laser” key while pressing the “On/

Hold” key (Fig. 9).

Press the “Laser” key again to turn off the laser (Fig. 10).

3.6 Measurement considerations

Hold the meter by its handle, point the IR sensor towards 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 if wide ambient

temperatures have been measured. After measuring low temperatures and

before measuring high temperature, allow some time (at least several

minutes) for the cooling process of the IR sensor.

4 Battery replacement

If the battery power is not sufficient, the LCD will display a battery symbol to

indicate that a new 9 V battery is required (Fig. 11).

Open the battery cover. Remove the battery from the meter and replace it

with a new 9 Volt battery. Close the battery cover.

Fig. 9 Fig 10

Fig. 11

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Notes ST-8810

16

5Notes

How it works

Infrared thermometers measure the surface temperature of an object. The

meter’s optics sense emitted, reflected and transmitted energy, which is

collected and focused onto a detector. The meter’s electronics translate the

information into a temperature reading which is indicated on the display. In

meters with a laser, the laser is used for aiming purposes only.

Field 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. If accuracy is critical, make sure the tar-

get is at least twice as large as the spot size.

Distance and spot size

When the distance from the object increases, the spot size of the area

measured by the meter becomes larger (Fig. 1).

Locating a hot spot

To find a hot spot aim the thermometer outside the area of interest, then scan

across the area of interest with an up and down motion until you locate the

hot spot.

Reminders

z The meter is not recommended for measuring shiny or polished metal

surfaces such as stainless steel, aluminium, etc. (see “Emissivity”).

z The meter cannot measure through transparent surfaces such as glass.

It will measure the surface temperature of the glass instead.

z Steam, dust, smoke, etc., can prevent accurate measurement by ob-

structing the meter’s optics.

Emissivity

Most organic materials and painted or oxidized surfaces (90% of typical

applications) have an emissivity of 0.95 (pre-set in the unit). Inaccurate read-

ings will result from measuring shiny or polished metal surfaces. To compen-

sate cover the surface to be measured with masking tape or flat black paint.

Allow some time for the tape to reach the same temperature as the material

underneath it. Measure the temperature of the tape or painted surface.

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ST-8810 Notes

17

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

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Technical data ST-8810

18

6 Technical data

Versions, technical modifications and delivery options reserved.

Item number ST-8810

Display 3-1/2 digit (1999 count) LCD with backlight

Measure range –20 °C to +270 °C (–4 °F to +518 °F)

Resolution 1 °C / 1 °F

Accuracy ±2 % of reading or ±2 °C / ±4 °F

z Accuracy is given at 18 °C to 28 °C (64 °F to

85 °F), less than 80 % RH

z Specified accuracy is valid for an emissivity of

0.95

Emissivity settings 0.95 fixed

Distance factor distance:spot = approx. 8 : 1

Sample rate approx. 1 s

Spectral response 6 – 14 µm

Power off automatic shut off after 7 seconds inactivity

Operating temperature 0 °C to +50 °C (+32 °F to +122 °F)

Operating RH% max. 80 % RH

Power supply 9 V battery

Weight 180 g

Size 159 x 76 x 57 mm

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www.waeco.com

3.01.06.01497 02/2006

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Dometic AirCon ST-8810, ST-8810, WAECO ST-8810 Owner's manual

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