DP-441 Decibel Meter Data Logger Digital Sound Decibel Meter, Sound Level Meter with 43,000 Data Record & Export, Rechargeable Noise Meter with A/C Frequency&DC output, 3-Color Alarm, Real Time Measurement
$ 45.99
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FEATURES
- A/C frequency weighting selection
- Fast/Slow time weighting selection
- Three-color light alarm
- MAX/MIN/HOLD Function
- Data storage function – 43,000 data record
- Data read and delete
- Automatic shutdown can set and also shutdown when battery runs out
- Data and time display (year-month-day-hour-minute-second)
- Line chart with visual noise data changes
- Alarm light function (High/Low alarm value)
- Green: does not exceed yellow(low)alarm value
- Yellow: exceed the yellow(low) alarm value
- Red: exceed the red(high) alarm value
- USB charging and PC communication compatible with the following OS: Microsoft Win 7, 10 and 11
- for data record download
- real-time data sampling analysis
- printing graph and data function
- DC output
- Standard approval:
- International Electrician Committee standard: IEC PUB 651 TYPE2
- US national standard: ANSI S1.4 TYPE2
- Tripod fixed screw aperture
- Type-C interface
SET INCLUSIONS
- 1x Sound Level Meter
- 1x Windproof Sponge ball
- 1x USB Cable
- English Instruction Manual
- Standard factory packaging
| Calibration Sound Source | 94dB@1KHz |
|---|---|
| Measurement Range | 30~130dB (A), 35~130dB (C) |
| Accuracy | ±1.5dB (Reference sound pressure standard, 94dB@1KHz) |
| Resolution | 0.1dB |
| Frequency Weighting | A/C |
| Frequency Response | 31.5~8500Hz |
| Time-Weighting | FAST/SLOW |
| Sampling Rate | FAST- 8 times/second, SLOW – 1 times/second |
| Rated Current | 70mA |
| Standby Current | 5uA |
| Power Supply | 3.7V lithium battery / 1000mAh |
| Charging Time | 1.5h |
| Duration of Service | 8h |
| Data Storage | 43,000 |
| Microphone | 1/2-Inch Polarization Capacitance Microphone |
| Operating Environment | 0~50°C; 10~80% RH |
| Dimension | 160 x 56 x 31mm (Excluding Sponge Ball) |
| Weight | Approx. 114gms (Excluding Sponge Ball) |
| DC Voltage Range | 300mV~1300mV |
| DC Voltage Error | ±5mV |
| DC Impendance | 120R |
| DC and Noise Relationship | Vout=dB x 10 unit: mV (dB: noise value, Vout: DC output voltage) |
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