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Extech Instruments 42545, User Manual

The Extech Instruments 42545 is a high-quality infrared thermometer designed for precise temperature measurements. Ensure efficient operation by referring to the detailed User Manual provided for free download on our website. Maximize the potential of this product with our comprehensive manual, available at 88.208.23.73:8080.

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User’s Manual

High Temperature InfraRed Thermometer

with Laser Pointer

MODEL 42545

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Summary of Contents for 42545

Page 1: ...User s Manual High Temperature InfraRed Thermometer with Laser Pointer MODEL 42545 ...

Page 2: ... proper use 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 Meter Description 1 Laser pointer beam 2 IR Sensor 3 Measurement Trigger 4 Battery and Switch Compartm...

Page 3: ...utton to turn the backlight off 4 Pressing it again turns the laser off Note Backlight and Laser settings will be retained after the meter powers down Over range Indication If the temperature measurement exceeds the specified temperature range the thermometer will display dashes in place of a temperature reading High and Low Alarm Feature The Model 42545 has an alarm feature whereas a High Alarm s...

Page 4: ...ess the MIN is displayed AVG Average value In the AVG mode all of the readings in the current measurement session are averaged and the value is displayed HAL High Alarm setting The temperature that when exceeded causes the audible visual alarm to trip LAL Low Alarm setting The temperature that when exceeded high to low causes the audible visual alarm to trip Battery Replacement When the battery sy...

Page 5: ...ambient temperature However it can take up to 30 minutes for the meter to adjust to extremely wide 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 Field of View The meter s field of view is 50 1 For example if the meter is 50 inches from the target spot the diameter of the target must be at least 1 inch...

Page 6: ... flat black finish For the Model 42545 the emissivity is adjustable from 0 1 to 1 00 Most organic materials and painted or oxidized surfaces have an emissivity factor of 0 95 When in doubt set the emissivity to 0 95 Emissivity Factors for Common Materials Material under test Emissivity Material under test Emissivity Asphalt 0 90 to 0 98 Cloth black 0 98 Concrete 0 94 Skin human 0 98 Cement 0 96 Le...

Page 7: ...95 default value Field of View D S Approx 50 1 ratio D distance S spot Laser power Less than 1mW Class II Spectral response 8 to 14 m wavelength General Specifications Display 4 digit 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 90 RH Power Supply 9V battery Automatic Power Off Approx 7 seconds afte...

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