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BM300A
Display: 3 1/2 digital on LCD
Temperature range : -50℃ to 300℃ (-58℉-572℉)
Accuracy: ± 2℃ or 2℃
Resolution: 1% or 1℃
Response time: ≤0.8 second
Emissivity: 0.95 as default (setting range 0.1-0.99)
Working enviroment: 10--40℃
Relative humidity: 10% -90RH
Storage temperature: -10℃--40℃
Power: 2pcs AAA battery
Distance Spot Ratio: 2: 1
Recommend measuring distance: 20mm to 130mm
Press button turn on the unit, the meter will auto power off after 10 seconds without operation
1 LCD. 2 Measurement button. 3 Back light and ℃/℉ selection button ( ℃/℉ selection: press this button for 3 seconds). 4 LED indicate light . 5 Battery door . 6 Scan & testing. 7 Data hold. 8 LED indicate light. 9 Beeper
10.Maxi /Mini(Press measurement button for 3 seconds+ press back lighting button)
11.Setting emissivity (press measurement button + back lighting button for 5 seconds at same time, access the first digital setting, press back lighting button and selecte 1-9,press measurement button to access the second digital setting,press back lighting button and select 1-9,press measurement button to complete adjustment)
12. Low battery indicate
4. Measurement Tips
If surface of object is covered with frost, dust or other materials.
Please clean surface to get accurate measure result. If the surface of an object to be measured
is highly reflective with very low emissivity value. Please apply masking tape or apply flat black paint
to the surface to improve the accuracy.
5. Original material emissivity list
|
Material |
Emissivity |
Material |
Emissivity |
Material |
Emissivity |
|
aluminum |
0.30 |
freeze food |
0.90 |
skin |
0.98 |
|
asbestos |
0.95 |
hot food |
0.93 |
plastic |
0.95 |
|
asphalt |
0.95 |
glass |
0.85 |
rubber |
0.95 |
|
brass |
0.50 |
ice |
0.98 |
snow |
0.90 |
|
brick |
0.9 |
iron |
0.7 |
stainless steel |
0.80 |
|
carbon |
0.95 |
lead |
0.50 |
paper |
0.95 |
|
concrete |
0.95 |
oil |
0.94 |
water |
0.93 |
|
copper |
0.95 |
paint |
0.93 |
wood |
0.94 |
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