Extech Instruments 42510 Manuale utente
User’s Manual
Wide Range Mini InfraRed Thermometer
with Laser Pointer
MODEL 42510
42510-EU-EN v3.5 07/13
2
Introduction
Congratulations on your purchase of the Model 42510 IR Thermometer. This thermometer
measures and displays non-contact (infrared) temperature readings 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.
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 200ºC (-58 to 200ºF)
200ºC to 538°C (200°F to 1000°F)
0.1º
1°
Accuracy ± 1% of reading or ±1oC (1.8oF) whichever is greater, from 15 to 50oC (60
to 113oF)
± 2% of reading or ±2oC (4oF) whichever is greater, for remainder of
range: -50 to 537oC (-58 to 1000oF)
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 Backlit LCD display with function indicators
Display update rate 1 second approx.
Operating Temperature 0ºC to 50ºC (32ºF to 122ºF)
Operating Humidity Max. 80% RH.
Power Supply 9V battery
Automatic Power Off Meter shuts off automatically after 6 seconds
Weight 180g / 6.4 oz.
Dimensions 82 x 42 x 160mm (3.2 x 1.6 x 6.3”)
42510-EU-EN v3.5 07/13
3
Meter Description
1. Laser pointer beam
2. IR Sensor
3. Measurement trigger
4. Battery compartment cover
5. Handle grip
6. LCD Display
7. Function Buttons
Operating Instructions
1. Hold the meter by its Handle Grip and point it toward the surface to be measured.
2. Pull and hold the orange Trigger to turn the meter on and begin testing. The temperature
reading, the ‘SCAN’ icon, the emissivity icon (E=0.95), and the unit of measure will appear.
Note: Replace the battery if the display does not light.
3. While continuing to pull the Trigger:
a. Push the laser button to turn on the laser pointer. When the laser is ON the laser icon
will appear on the LCD over the temperature reading. Aim the red beam approximately a half
inch above the point of test (pressing the laser button again turns the laser off).
b. Select the temperature units using the oCor oFbutton.
c. Push the backlight button to turn on the LCD backlighting function.
4. Release the Trigger and the reading will hold for approximately 6 seconds (HOLD will appear on
the LCD) and then the meter will automatically shut off.
Over-range Indicator
If the temperature measurement exceeds 538°C (1000°F), the thermometer will display dashes in
place of a temperature reading.
Field of View
The meter’s field of view is 8:1. For example, if the meter is 16 inches from the target (spot), the
diameter of the target must be at least 2 inches. Other distance ratios are shown below in the field
of view diagram.
Note that measurements should normally be made less than 2 feet from the target. The meter can
measure from further distances but the measurement may be affected by external sources of light.
In addition, the spot size may be so large that it encompasses surface areas not intended to be
measured.
6
7
5
1
2
3
4
20mm
@ 160mm 40mm
@ 320mm 80mm
@ 640mm
42510-EU-EN v3.5 07/13
4
Measurement Notes
1. The object under test should be larger than the spot (target) size calculated by the field of view
diagram.
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 to the surface
before measuring.
4. The meter may not make accurate measurements through transparent surfaces such as glass.
5. Steam, dust, smoke, etc. can obscure 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 and
down motion) until the hot spot is located.
Battery Replacement
When the low battery symbol appears on the lower left side of the display, replace
the meter’s battery (9V). The battery compartment is located behind the light green
panel that surrounds the meter’s trigger (see diagram). Open the compartment by
pulling the light green panel down from the trigger area. Replace the 9V battery and
close the battery compartment cover.
You, as the end user, are legally bound (EU Battery ordinance) to return all used
batteries, 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
Copyright©2013FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
ISO‐9001Certified
www.extech.com
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