Feature:
1. It is widely used in residential area, industrial and mining factory, school, office building, airport, transportation, waiting hall and other scenes.
2. It is suitable for noise measurement, product quality control, health prevention, etc. It is a good tool for detecting, monitoring and testing any environmental sound level.
3. With backlight function, suitable for collecting sound data at night. The automatic power off function of the backlight has a power saving and highly reliable circuit design. The well designed high efficiency power supply circuit makes the battery more durable.
4. The shell adopts composite material injection molding process, has an anti drop structure, wear resistant and beautiful, it is a small portable sound level reader.
5. Its measuring range is 30 130 dB, and it has a shifting function. Digital display, good anti interference performance, easy to use.
Specification:
Item Type: Digital Decibel Meter
Model: 1358
Material: ABS
Battery: 1 x 9V 6F22 (Battery Not Included)
Uses: Widely used in noise measurement, quality control, health prevention and various environmental sound measurement, such as residential area, industrial and mining factory area, school, office building, airport, transportation, waiting hall and other scenes.
Measuring Range
30 130dBA, 35 130dBC
Accuracy
+ 1.5dB (under reference conditions)
Frequency Range
31.5Hz 8kHz
Grade Range
30 80,50 100,60 110,80 130,30 130dB
Frequency Weighting
A C
Digital Display
4 digits
Accuracy
0.1dB
Sampling Rate
2 times sec
Bar Graph
Displayed as 0 30 dB: One scale unit represents 2dB For Other Levels: one scale unit represents 1 dB
Excessive Signs
OVER UNDER
AC Output
0.707Vrms at FS output impedance is about 600 Ohm
DC Output
10 mV dB, output impedance is about 100 Ohm
Time Quality
fast slow
Microphone
1 2 inch electret condenser microphone
Maximum
Maximum
Battery Life
About 30 hours
Self Calibration Time
3s
Operating Condition
0 40 celsius ,10 80percent RH
Storage Condition
10 60 celsius ,10 70percent RH
.
Package List:
1 x Digital Decibel Meter (Battery Not Included)1 x 3.5mm Cable1 x Microphone Cover1 x Manual 1 x Tool Box
