digital sound noise level meter,China digital sound noise level meter Manufacturers, Suppliers

hot sell First Class Quality cheap new throat mic covert military

Mar 31, 2013

... audio directly from vocal cord vibrations which blocks background noise perfectly.2. Suitable for hunting,fishing,motor-riding. ... ,transceivers and other brands. military speaker Speaker size15mmSpeaker size Sound pressure level103 dB ±3dB Impedance32 Ω ± 15%Audio ... earphone, SPK&MIC, motorcycle earphone for two way radio, noise cancel earphone, wireless earphone, wireless PTT, computer earphone, ...

Supplier: Shenzhen HXKK Technology Co., Ltd.

[China Manufacturers]

studio microphone with factory price and fashionable appearance

Feb 28, 2013

... Impedance: ≥1000ΩPower supply mode: 48 V Phantom power supplyEquivalent Noise Level : ≤22dB A (IEC 581-5)Max. Input SPL: 140dB ( ... 1.6GHz or AMD same level CPUinternal storage : 512 Mgraphics card : onboard graphics cardSound card: onboard sound card, have mic inputnetwork ... 9.0 , support Shader Model 3.0 or better.Sound card :Individual sound card, support DirectX 9.0network bandwidth : above 2 ...

Supplier: Shenzhen JHC Electronics Co., Ltd.

[China Manufacturers]

Best price for retro handset telephone receiver

Feb 17, 2012

... telephone via Skype or VOIP(Voice over Internet Phone) applications5.Noise reduction system6.Pick up/hang up button7.Supplied with a ...

Supplier: Shenzhen Woo Well Strong Technology Co., Ltd.

[China Manufacturers]

CC81231:GPS Rubidium Synchronized Clock System

Mar 07, 2012

... signal. CC81231 offers high-precision cesium clock level’s clock signal and can be widely in ... . CC81231 is very suitable for SDH digital synchronization network-level node clock 1,2.CC81231 can be ... E -12/100s <1 E -12 / day (GPS lock)Phase Noise: ≤ -95dBc/Hz @ 1Hz ≤ -125Bc/Hz @ 10Hz ≤ -130dBc/ ... Road, target the same 10MHz1PPS 4, BNC, TTL level, 50Ω Time synchronization accuracy: better than ± 20ns ...

Supplier: Beijing ChipCity Technology Co., Ltd.

[China Manufacturers]

2013 HD DVB-T with Twin Tuner

Mar 31, 2013

... /GIF/TIFFast channel filtering by first letter of channel nameDigital sound through coaxial output (S/PDIF)Power indicator lamp(red in ... for TV or Radio programme name Signal strength bar for digital transpondersAutomatic and manual channel scan options Power on with last ... 13818-1 MPEG-2, H.264/AVC Transport stream SpecificationProfile Level: MPEG-2 MP@ML, MP@HL, MPEG-4 H.264 ...

Supplier: Shenzhen Aierson Technology Co., Ltd.

[China Manufacturers]

Hot sale 500s

Apr 27, 2012

... kHz, 22.05 kHz, 24 kHzVideo parameter:Input Level FBAS 1 Vss +/- 0.3 dB on 75 ... :Frequency Range 950 .. 2150 MHzSignal Level - 65 dBm .. - 25 dBmSignal-to-Noise Level 12 dB max.DBS-Tuner Input ... 2 SAT POSITION / SAT OPTIONDiSEqC - Rotor ControlOutput digital:Output Level 0,5 Vss on 75 OhmSampled Data Filtering 32 ... 48 kHzS/PDIF-Output optical (AC3)Output analog:Output Level L/R 0,5 Vss on 600 OhmTHD > ...

Supplier: Shenzhen Toptou Technology Co., Limited

[China Manufacturers]

100% New BOSCH High-precision, Ultra-low Power Barometric Pressure Sensor (BMP085)

Jan 01, 2013

... applications. With an absolute accuracy of 2.5hPa and a noise level of down to 0.03hPa (which is equivalent to an ... pressure sensor, which marked a new generation of high-precision digital pressure sensors for consumer applications. 100% New BOSCH High-precision ...

Supplier: Shenzhen Kesun Electronics Co., Ltd.

[China Manufacturers]

690V Active Harmonic Filter

Apr 14, 2012

... filtering efficiency: the advanced modular design and 3-Level topology approach Active harmonic filters are based on ... thereby “neutralizing” the harmonic currents. Incorporating the 3-level topology design, Sinexcel active harmonic filter (AHF series) ... RTU), TCP/IP (Ethernet), USBDigital I/O4 digital inputs / 6 digital outputsAlarm eventsYesMonitoringVia centralized monitoring PQ viewer/PQ software ...

Supplier: Shenzhen Sinexcel Electric Co., Ltd.

[China Manufacturers]

20-1300kw silent Cummins electric generator set

Jan 25, 2013

... :Silent Gensets produced by POWERTEC not only meet with the sound control requirement, but also ensure cooling aeration request by normal ... maintain.Special high-temperature flame-retardant sound insulation sponge.Slap-up hinge and door handle,Noise Level: 85DBA within 1m; 75DBA within 7m ...

Supplier: Shenzhen Powertec Generator System Co., Ltd.

[China Manufacturers]

Vertical Tower ATX Aluminum computer case - QT01

Sep 25, 2012

... . Gimmick such as using a lots of fans and cheap sound absorbing sponge is not only not working but also misleading ... like using cheap absorbing sponge but can truly control the noise level. A lot of utility functions such as textured wiredrawing aluminum ...

Supplier: Dongguan Sibositong Industrial Co., Ltd.

[China Manufacturers]

1.8%off promotion!!!26KVA/20KW Big power cummins diesel generator manufacturer

Mar 31, 2013

... )2050*950*1200Dry weight (Kg)677Working assorting weight(Kg)727Noise Level(7M) db(A)73Structure typeSuper silentEngine Model4B3.9-G1Engine typefour ...

Supplier: Fuan Desenpower Machinery Factory

[China Manufacturers]

line interactive ups power supply manufactuer with AVR

Mar 31, 2013

... UPS with AVR : Compact 400-1000VA 1. Digital DesignAdopted DSP control technology and digital design topology, C UPS can be operated and ... .554.254.9ENVIRONMENTHumidity0-90 % RH @ 0- 40° C (non-condensing)Noise LevelLess than 40dBMANAGEMENTOptional USB/RS-232 PortSupports Windows® 2000/2003 ...

Supplier: Shenzhen Jinyou Science & Technology Co., Ltd.

[China Manufacturers]

Cummins KY500kw biogas generator CE and ISO approved

Nov 20, 2012

... ±25 Deg CExhaust Flow5100 m³/hFan exhaust flow15 m³/sNoise level from 1 m <100 db(A) Alternator of CUMMINS KY500B ... .00%Control panel(Deepsea or others)Synchronizing Control, Multilingual Mode Digital Control, Diagnostic Function, Direct Text Indicate of Faults, MOBUS Communication ...

Supplier: Hubei Yingpai Power Technology Co., Ltd.

[China Manufacturers]

10000 Lumens 3LCD native 1920x1200Pixels large venue projectors

Mar 31, 2013

... :1 contrast ratioare are able to be applied in digital cinemas, conferences, meeting rooms and large-screen wall splicing ... , even in bright lieus for digital advertisement display. Multiple connectivities allow display of different signal ... (ECO/STD),330W USHIO High-Pressure mercury lampProjector LensType: Digital zoom / focusLens can be replaced, OneTouch change LensLens ...

Supplier: Shenzhen Acme Vision Display Technology Co., Ltd.

[China Manufacturers]

stationary air compressor

Mar 31, 2013

... air-cooled enclosed motor;Specially designed sound isolation hood keeps the machine in super low noise;Strong steel base. Connecting pipe: DN32Outline ... environment temperature +15°C(Air cooling)≤40°C(Water cooling)Noise LeveldB(A)65±2Transmission mode Belt transmission Power supplyV/Ph ...

Supplier: Jackwell Technology Co., Ltd.

[China Manufacturers]

C.TRADIO audio surveillance microphone

Feb 18, 2012

... )Maximum Level Input 120dB SPL (1KHz,THD 1%)Impedance 600ohm (imbalance)Signal Output Extent 2.5Vpp/-25dBMicrophone Electret condenserSpecial Circuit digital de ... & monitoring microphone.*High Fidelity , High sensitivity ,Low noise, Low echo, clear speech*Built in digital audio disposal circuit , two step dynamic de ...

Supplier: Beijing Kuaiyu Technology Co., Ltd.

[China Manufacturers]

infrared heater

Mar 31, 2013

... be broken during shipping or normal operation..(5)Use Accurate Digital Thermostatic Controls Display,Designed with three fan speed levels, the ... /off (10)Efficient heating(11)Energy saving function (13)Fan Noise Level: 42 dB - much quieter and softer(12)Full function remote ...

Supplier: Hefei Goodwin International Trading Co., Ltd.

[China Manufacturers]

The Sealed Insulating Glass with tempered glass

Mar 31, 2013

... outdoor environment heat transfer, thus reducing the heat and to noise; prevent the temperature inside and outside the large glass condensation ... .Features: Sound insulation performance: Hollow glass can reduce noise around 34 dB, 80 dB can be reduced to 45 dB traffic noise level very ...

Supplier: Shanghai Lvyuan Glass Co., Ltd.

[China Manufacturers]

2600 lumen Home theater LED projector with USB+HDMI+AV+VGA+YPbPr/YCbCr

Mar 31, 2013

... Whisper Quiet Operation – With less than 28Db of operating noise. Our LED projector ensures you have the greatest viewing ... Correction.11.Remote Control.12.Built-in 2 speakers sound system for Aido13.Supports PAL, NTSC, SECAM14.Audio ... Switch freelyOSD Language Chinese, English, French, Spanish, Portuguese,ArabicNoise Level (STD/Bright)<28dbPower SupplyAC Input 110-240V, 50-60HzPower Consumption180W ...

Supplier: Shenzhen Joyhonest Technology Co., Ltd.

[China Manufacturers]

New! Solar Powered Bluetooth Hands-free Car Kit with FM Transmitter

Oct 11, 2012

... car kitKey Features:1.Bluetooth car kit with DSP(Digital Sound Process) Technology which be installed on car windshield2.Built ... name display USB port for chargeIncoming Call LogFull Duplex/Noise &Echo SuppressionDSP TechnologyUp and down to search 20 groups ... in Shenzhen, China. Our product category covers almost all consumer/digital electronic products, including: Pocket Projectors, Tablet PCs (MID), ...

Supplier: Shenzhen Koogogo Science & Technology Co., Ltd.

[China Manufacturers]