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DUBAN DB30-6226LEQ Integrating Sound Level Meter, Integrating Noise Meter Level 2
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DUBAN DB30-6228I Pulse Sound Level Meter, Pulse 1 Level Divider
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Product Applications
for sound level measurement of environmental, mechanical, traffic, marine and other noise; It is suitable for industrial environmental protection, construction, teaching and scientific research and other departments.
Features
* Three weighted "A" / "C" / "F" options and timed weighted "fast" and "slow" options.
* Four measurement parameters: Lp Normal Sound Level Measurement, Leq Equivalent Continuous A Sound Level Measurement, Lmax Maximum Sound Level Measurement, LN Statistical Sound Level Measurement.
* With DC output 10 mV/dB.
* Up to 30 sets of measurement data and measurement status can be stored.
* With functions such as "alarm value setting", "output", "automatic shutdown and manual shutdown".
* Use "USB cable output" and "RS-232 cable output" to communicate with PC.
* "Bluetooth™ Bluetooth Data Output" option is also available.
Live shot

LANDTEK Multifunctional sound level MeterSpecifications
| LIST | VALUE |
|---|---|
| Measurement parameter | Lp - normal sound level measurement, Leq - equivalent sound level measurement, Lmax - maximum sound level measurement, LN - statistical sound level measurement |
| meet the standard | IEC 651.2, ANSI 1.4.2 |
| Leq - Equivalent Sound Level | 30~130dB (time optional 10 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour, 8 hours, 24 hours) |
| Measurement range -LN - statistics, sound level measurement | 0~100% |
| resolution | 0.1dB |
| Precision | 1dB |
| Frequency Weighting | “A”/“C”/“F”(Flat) |
| time Weighting | Fast/slow |
| microphone | 12.5Mm condenser microphone |
| memory function | 30 groups |
| Built-in calibrated signal | 94dB |
| Frequency range | 20~12,500Hz |
| Alarm value setting | 30~130dB |
| Alarm output | LED optional relay touchpoint |
| Power supply Voltage indication | Low Voltage prompt |
| Power supply Voltage | 4 AA batteries |
| External power socket | 6V, DC, 100mA |
| Dimension | 236*63*26mm |
| Weight | 170g |
LANDTEK Multifunctional sound level Meter Packing list
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Temperature, Humidity and other environmental factors affect the long-term stability of Universal Testing Machine
- How tensile testing devices perform field validation of load sensors (using standard weights)
- Solution of extensometer calibrating and signal drift
- Common Fault Phenomena and Diagnostic Steps of UTM Load Sensor
- Universal Testing Machine Daily Maintenance Checklist (weekly, monthly, annual)
- Universal Testing Machine Fixture type: Wedge, thread, plate, wire fixture, etc
- Difficulty Analysis of Composite Interlayer Tensile Test Standard
- Adhesive lap shear strength standard test method and key points analysis
- Overview of the international general tensile testing standard system (ISO, ASTM, JIS, GB)
- Spinning & weaving products and fiber tensile test standards in-depth interpretation
- ActiveJJF 1681-2017
- ActiveGB/T 28245-2012
- ActiveGB/T 10491-2010
- ActiveGB/T 25371-2010
- ActiveGB/T 26483-2011
- ActiveGB/T 26484-2011
- ActiveGB/T 5265-2009
- ActiveGB/T 10069.1-2006
- ActiveGB/T 20243.1-2006
- ActiveGB/T 3450-2006
- ActiveGB 14892-2006
- ActiveGB/T 10894-2004
- ActiveGB/T 16539-1996
- ActiveGB/T 13325-1991


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