เครื่องวัดเสียงต่อUSB เข้ากับคอมพิวเตอร์ Digital Sound Level Meter
- Standardisation: GB/T3785 , IEC651 Type 2 , ANSI S1. 4 Type 2
- PC interface: CD Software + RS232C
- Function: Lp, Leq, Lmax, LN.
เปรียบเทียบราคา เครื่องวัดเสียงต่อUSB เข้ากับคอมพิวเตอร์ Digital Sound Level Meter
- Conforms with all the essential health and safety standards & requirements set out by the European Directives
- IEC651 Type 2, ANSI 1.4 Type 2 and GB/T3785 compliant
- Multifunctional and with 30-130dB wide range and built-in calibration signal of 94dB at 1kHz (sinusoidal)
- Offers 4 measurement parameters Lp (sound level), Leq(equivalent continuous A sound), Lmax (maximum sound level), LN (percent of all readings over alarm value set)
- Permits 'A', 'C', or 'Flat' weighting choices and Slow / Fast response time
- With memory of 30 groups of measurement results and measuring conditions
- Gathered data in meter can be saved, retrieved and deleted and downloaded or transfer to computer directly plus it can also be exported to MS excel.
- With adjustable alarm set and an LED alarm output
- With 0-1.3V, 10mV/dB DC output and auto range selection
- Delivers ultra accurate reading with no guessing errorswith high resolution
- Features instant, easy to read, legibly written results indicating a specific value
- With adjustable auto power off that can be changed to any value between 1-9min and can also be manually turned off anytime.
- Complete with FREE sturdy carrying case with contoured rubber compartments that fits the device perfectly, sandwiched between rubber & foam when closed to achieve optimum shock absorption
Specification:
- Standardisation: GB/T3785 , IEC651 Type 2 , ANSI S1. 4 Type 2
- PC interface: CD Software + RS232C Jack-to-Serial Cable with FREE Serial to USB Adapter
- Function: Lp, Leq, Lmax, LN.
- Parameters measured: Lp, Leq, Lmax, LN.
- Measurement range: * Lp : 30~130dB (A) , 35~130dB (C) , 40~130dB (F)
****************Leq : 30-130dB (10s, 1m, 5m, 10m, 15m, 30m, 1h, 8h, 24h interval)
****************LN.*: *0-100% - Resolution: 0.1dB
- Accuracy: ±1dB
- Frequency range: 20.0 to 12,500Hz
- Frequency weighting: A, C and F (Flat)
- Built-in calibration signals: 94dB at 1kHz (sinusoidal)
- Memory: 30 groups max with measuring conditions and with Date and Time Stamping
- Time weighting: FAST 125mS , SLOW: 1 sec.
- DC output: 0~1.3V, 10mv = 1dB
- Microphone: 0.5" Electret condenser microphone
- Display: 14mm (0.55") LCD Screen with backlight *******
- Built-in battery condition indicator
- Alarm: electron, adjusable, 30-130dB set, LED and optional relay contact (NC) output
- Power off: Manual or adjustable Auto Power off time
- Power supply: 4x1.5v AAA (UM-4 battery) or
***********External 6V DC 100mA (not included) - Size: 236 x 63 x26 mm
- Weight: 170g (excluding batteries)
Accessories included:
- CD software for RS232C interface
- RS232C Jack to Serial Cable
- FREE USB to Serial Adapter
- Windscreen / Sponge Ball
- Instruction manual
- Hard plastic carry case with padded & contoured interior
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เครื่องวัดเสียงต่อUSB เข้ากับคอมพิวเตอร์ Digital Sound Level Meter
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