Extech Instruments 42530 User manual

User’s Manual

High Temperature InfraRed Thermometer

with Laser Pointer

MODEL 42530

Introduction

Congratulations on your purchase of the Model 42530 IR Thermometer. This thermometer

makes non-contact (infrared) temperature measurements at the touch of a button. The

built-in laser pointer increases target accuracy while the backlit LCD and handy push-

buttons combine for convenient, ergonomic operation. Proper use and care of this meter

will provide years of reliable service.

Model 42530-EU V2.4 5/09

Safety

Use extreme caution when the laser pointer beam is on

Do not point the beam toward anyone's eye or allow

the beam to strike the eye from a reflective surface

Do not use the laser near explosive gases or in other

potentially explosive areas

Specifications

Infrared Thermometer Specifications

Range / Resolution -50 to 538oC (-58 to 1000oF) 0.1°C/F<200 / 1oC/F> 200

Accuracy ± 2% of reading or ± 2oC (4oF) whichever is greater.

Note: Accuracy is specified for the following ambient

temperature range: 18 to 28°C (64 to 82°F)

Emissivity 0.95 fixed value

Field of View D/S = Approx. 8:1 ratio (D = distance, S = spot)

Laser power Less than 1mW

Spectral response 6 to 14 m (wavelength)

General Specifications

Display 3½digit backlit LCD display with function indicators

Display rate 1 second approx.

Operating Temperature 0°C to 50°C (32°F to 122°F)

Operating Humidity Max. 80% RH

Power Supply 9V battery

Automatic Power Off Meter shuts off automatically after 7 seconds

Weight 180g / 6.35 oz.

Size 211 x 89 x 38mm (8.3 x 3.5 x 1.5”)

Model 42530-EU V2.4 5/09

Meter Description

1. LCD Display

2. Function Buttons

3. Handle Grip

4. Laser Pointer

5. IR Sensor

6. Measurement Trigger

7. Battery Compartment

Operating Instructions

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

2. Pull and hold the red Trigger

Field of View

The meter’s field of view is 8:1, meaning that if the meter is 20.3cm from the target, the

diameter of the object under test must be at least 2.54cm. Other distances are shown

below in the field of view diagram. Refer to the chart printed on the meter for more

information.

Measurement Notes

1. The object under test should be larger than the spot (target) size calculated by the field

of view diagram (see diagram on previouspage or on side of the meter).

2. If the surface of the object under test is covered with frost, oil, grime, etc., clean before

taking measurements.

3. If an object's surface is highly reflective apply masking tape or flat black paint before

measuring.

4. The meter may not make accurate measurements through transparent surfaces such

as glass.

5. Steam, dust, smoke, etc. can obscure accurate measurements.

6. The meter compensates for deviations in ambient temperature. It can,however, take

up to 30 minutes for the meter to adjust to extremely wide ambient temperature

changes.

7. To find a hot spot, aim the meter outside the area of interest then scan across (in an up

anddown motion)until the hot spot is located.

Battery Replacement

When the low battery symbolappears on the LCD, replace the meter’s 9V battery.

The battery compartment is located on the bottom of the meter's handle. Open the

compartment by sliding the battery compartment cover off in the direction of the arrow.

Replace battery and re-install the battery compartment cover.

You, as the end user, are legally bound (Battery ordinance) to return all used

batteries and accumulators; disposal in the household garbage is prohibited!

You can hand over your used batteries / accumulators at collection points in your

community or wherever batteries / accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the

device at the end of its lifecycle

2.54cm

5.08cm

1.6cm

Distance to Object

Diameter of Spot

Laser Beam

10.1cm

20.3cm

40.6cm

81.2cm

1.27cm

Sensor Beam

more infor for Extech 42530

Phone: 01235 838 555

Email: cs@airconcern.co.uk

Web. www.airconcern.co.uk

Air Concern Ltd, Building 173 Curie Avenue Harvell Didcot, Oxfordshire

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