Lcd Displays; Specifications - Benetech GM1356 Bedienungsanleitung

LCD Display
17 16
U S B
1. Level range
2. calendar date (year, month, day)
3. The maximum value icon
4. Sound pressure level icon
5. Low battery indication
6. USB communication icon
USB
7. RECORD Data recording icon
FULL
8. Data recording full indication
9. Measurement unit
10. frequency weighting A and C
11. Reading displaying area
12. Calendar clock (hour, minute, second)
13. Bar graph (1dB/1 bar graph)
14. Alarm symbol, if the reading is over the maximum range, this symbol
will display.
15. Slow time weighting (refers to respond speed)
16. Fast time weighting (refers to respond speed)
17. Alarm symbol, if the reading is under the minimum range, this
symbol will display.
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14
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R E C O R D FULL

Specifications

Calibration sound source
94dB@1KHz
Measurement range
30~130dBA、35~130dBC
±1.5dB（reference sound pressure
Accuracy
standard，94dB@1KHz）
Frequency response
31.5Hz~8.5KHz
Resolution
0.1dB
30 to 80 , 50 to 100, 60 to 110,
Measuring level
80 to 130, 30 to 130
Dynamic range
50dB/100dB
Overload indication
OVER / UNDER
Frequency weighting characteristic
A and C
Digital display
4 digits
Analogy bar graph
1dB/1 bar graph
Sampling rate
FAST:8times/second;SLOW:2times/second
4Vrms/ full bar graph, output impedance
AC signal output
is about 600 ohm
PWM signal output
Duty cycle =
Dynamic characteristic
FAST(high speed)/SLOW(low speed)
±30seconds/day
Calendar accuracy
Data storage quantity
4700
The maximum value holding
MAX
Auto power off
10 minutes without operation
Microphone
1/2inch polarization capacitance microphone
Power supply
6V (4PCS 1.5V Alkline battery)
Dimension
70x35x256mm
Weight
244G (Without battery)
Battery life
20h continuous use(Alkaline batteries)
0.01X db value
x 100%
3.3
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