Jest
- Accuracy: +-1.5dB
- Response frequency: 31.5Hz-8kHz
- Dynamic range: 50dB
- Frequency Weighting : AC
- Time weighting: FAST 125ms, SLOW 1sec
- Microphone: Electret Condenser microphone
- Digital display: 4 digitals, resolution 0.1dB, sampling rate 2 times/s
- Analog bar display: Each analog bar is as 1 dB, sampling rate 2 times/s
- Measurement ranges: 30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB, Total of 6 ranges
- Auto-range: Micro-computer can choose the best measurement ranges
- Over range indicator: UNDER (less than range) and OVER (over range)
- AC signal output: 0.707 Vrms at FS (Auto-range mode isn't included) Output impedance approx. 600Ω
- DC signal output: 10mV/dB Output impedance approx.100Ω
- Power supply: Four LR03 AM4 1.5V SIZE AAA alkaline cells
- Power life: About>35hrs (alkaline cells) Cintinuous operation
- AC adapter: Voltage 9vDC
Voltage ripple < 100mVpp
Supply Current >100mADC
Socket pin Ground
Casing positive
External Diameter 3.5mm - Operating temperature: 0℃ to 40℃
- Operating humidity: 10~80%RH
- Storage temperature: -10℃ to 60℃
- Storage humidity: 10 to 70%RH
- Dimensions:245(L)x80(W)x35(H)mm
- Weight : Approx. 350g (including battery)
- Accessories: Earphone plug, Operation manual, Battery, Windscreen.
- Certificate: CE(EMC) RoHS
- Display: 2000 counts
- Data Logging: 16000 records
- Auto Ranging
- Auto Power Off
- AC Singal Output: 0.707 Vrms at FS (Auto-range mode isn't included) Output impedance approx. 600Ω
- DC Singal Output: 10mV/dB Output impedance approx. 100Ω
- AC Adapter
-Voltage 9VDC
-Voltage Ripple <100m Vpp
-Supple Current >100m ADC
-Socket : pin Ground
-Casing Positive
-External Diameter 3.5mm - Fast
- Low
- A Weighting
- B Weighting
- Date and Time Display
- MAX
- Data Hold
- Display Backlight
- Low Battery Display
- Analog Bar Indication
- Over Range Indication
- Resolution 0,1dB
- Accuracy +-1,5dB
- Sample rate 2/sec
