classroom response systems,China classroom response systems Manufacturers, Suppliers

**4*1800W de dj pro switching amplifier(PS-4180)**

Mar 31, 2013

... transistors. Reliable, durable performance can match all kinds of loudspeaker systems.PS-Series offer smooth and responsive handling with massive power ... meters, equiped with advanced processing lines and sound online testing systems. R&D department, production, QA, engineering, overseas sales department, domestic ...

Supplier: Guangzhou CVR Pro-Audio Factory

[China Manufacturers]

STB20 Attitude and Heading Reference System

Dec 18, 2012

... is combined by special digital filter to achieve better dynamic response. All sensors are temperature calibrated and cross-compansated. Additionally system ... signals. Field of useMobile robots, video- and photo- cameras stabilization systems, Virtual Reality tracker ...

Supplier: Beijing Micropilot UAV Control System Ltd.

[China Manufacturers]

GF3-C-200 CUMMINS Series Three Phase Diesel Generator Sets 200KW 250KVA

Jan 07, 2013

... various ancillary devices (such as base, canopy, sound attenuation, control systems, circuit breakers, jacket water heaters and starting system) is referred ... the older and newer plants have to be compatible in response to the instantaneous changes in frequency without depending on outside ...

Supplier: Fujian Willda Machinery Electrical Co., Ltd.

[China Manufacturers]

explosive-proof temperature transmitter

Mar 31, 2013

... temperature measurement and control in many automatic temperature measurement & control systems such as petroleum machinery, chemical machinery, pump and compressor, electric ... +0.002|t|)long term stability<0.15%FS/yearthermal response time<30Sinsulation resistance100MΩ@100VDClet through current≤5mAexplosive-proofExia II BT4 ...

Supplier: Xi'an UTOP Measurement Instrument Co., Ltd.

[China Manufacturers]

best choice!!! infrared motion sensor for lamp&detector

Jan 27, 2013

... !infrared motion sensor Appliication:Sensor lightlight switch controlintellectualized toy, etcsecurity systems, burglar alarms,IA Intelligence Appliance, visitor acknowledgementinfrared motion sensor Specification ...

Supplier: Nanyang Senba Optical Electronic Co., Ltd.

[China Manufacturers]

660nm high power infrared led for grow lighting

Apr 19, 2012

... -3.8v700mA140 degreeApplication•Infrared Illumination for cameras•Surveillance systems•Driver assistance systems•Machine vision systems Advantage•Infrarotbeleuchtung für Kameras•Überwachungssysteme•Fahrer-Assistenz ... prompt time.We always offer relative technical support/consultant. Quick response,all your inquiry will be replied.ServiceSuccess Project Cooperation PartnerFactory ...

Supplier: Shenzhen Smalite Opto-Electronic Co., Ltd.

[China Manufacturers]

**6*9" 2-way car speakers**

Mar 31, 2013

... end Specification : 6*9" Two-way High-end caoxial Speaker Systems 1, Woofer : Rubber Surround , Fiberglass cone2, Big Magnet Structure3, Specil ... : 120 Watts Max7, Impedance: 4 Ohm8, Sensitivity: 90 dB9, Frequency Response: 60Hz - 20Khz

Supplier: Guangzhou Huiyin Audio Co., Ltd.

[China Manufacturers]

SBWthree phase servo motor voltage stabilizer suppliers

Mar 31, 2013

... : 380VOutput deviance1- 5% (adjustable)Frequency50hz/ 60HzEfficiencyAbove 95%( power above 50KVA)Response timeBelow 1.5SAmbient temperature- 10C~+40CInsulation resistanceAbove 5MΩOverloadDouble rated ... advanced technology of western Europe.It is provided with two systems of manual/automatic dual control,direct output and stabilizing output ...

Supplier: Zhejiang Lucky Electric Co., Ltd.

[China Manufacturers]

AVR R450 Names of Parts of Generator With Backside Printed

Mar 18, 2012

... .2. alternators Adapted to the SHUNT, AREP or PMG excitation systems. 3.R450Main characteristics§ Voltage regulation +/- 0.5% at steady state ... the engine§ AREP or PMG excitation with normal or fast response.§ Single or three phase voltage sensing with optional module.§ Rotating ...

Supplier: Fuan Parbeau Electronics Co., Ltd.

[China Manufacturers]

PIVOT RAIZIN Voltage Stabilizer

Mar 31, 2013

... vehiclesMaximizes the efficiency of all factory and aftermarket vehicle electrical systems and as a result you will get smoother engine operation ... torque-Improve Fuel Economy-Smooth out idling with improve engine response-Improve all electrical component performance-Improve battery life- Increased engine ...

Supplier: Shenzhen Chezhibao Technology Co., Ltd.

[China Manufacturers]

**2*18" subwoofer system,line array subwoofer**

Sep 24, 2012

... used with large scale Blackine WF-12 and WF-15 systems to extend and increase the total low frequency output power ... (100mm) high temperaturevoice coils.TYPEDual-driver vented sub-bass systemFREQUENCY RESPONSE(1)35Hz-150Hz±3dBDRIVERS2×18(460mm) bass driverRATED POWER(2 ...

Supplier: Guangzhou Baisheng Audio Equipment Co., Ltd.

[China Manufacturers]

Line Array Subwoofer Speaker LA Sub

Mar 11, 2013

... to be used with LA208A and LA 208 full-range systems to extend and increase the total low frequency output power ... PortSpecifications Type Compact Self powered sub-bass speaker system Frequency response 400Hz-250Hz ± 3dB Drivers 18"(460mm) bass driver Amplifier power ...

Supplier: Summitlite International Ltd.

[China Manufacturers]

2.0 wireless art flat panel backgound music speakers

Apr 22, 2012

... , regular shutdown. By setting the controller to the background music systems in any time of the day powered on/off. Time ... .:DS-2183 Output:24W Rated ohm:8Ω Sensitivity :80dB Frequency response: Up to 20000Hz Powe Source:AV110V/250V--50/60Hz 2 ...

Supplier: Shenzhen Jiyu Electronics Co., Ltd.

[China Manufacturers]

electric power meter

Feb 05, 2013

... and intelligent building energy management system. Applications Energy management systems, Industrial automation, residential electric power monitoring, substation automation ... building, intelligent power distribution cabinets, large-scale UPS systems; n Product features PD862D-9SY Three-phase multi- ... the processor, so its speed of operation and response are greatly improved. It also has a complete ...

Supplier: Yueqing Kampa Electric Co., Ltd.

[China Manufacturers]

USB Mini resonance Speaker,Music Speaker,Desktop vibration sound

Nov 14, 2012

... a speaker. I-mu also has a few other audio systems that work on the same principle, including a piggy, an ... : 100V-240V Output DC voltage: 12V Static current: 1A Frequency response: 100-17KHz Sensitivity: 80db Size: 105*67*67mm Weight: 417g ...

Supplier: Shenzhen Futony Product Ltd.

[China Manufacturers]

ESD5500E speed governor

Mar 31, 2013

... device designed to control engine speed with fast and precise response transient load changes. 2)ESD5500E speed governor is designed for ... ---- +/-0.25% or better4) Supply----12 or 24 VDC Battery Systems(transient&reverse voltage protected)5)Power Consumption----50 ma continuous ...

Supplier: Dongguan Huxin Electronics Co., Ltd.

[China Manufacturers]

bill payment touch screen kiosk

Mar 31, 2013

... *4096Display unitGrade A LG/AUO LCD monitor; Resolution:1280×1024;Response Time:5ms; Brightness: 260cd/m2; Contrast: 450:1Refresh Rate:60HzCabinet ...

Supplier: Dongguan Kaidi Technology Co., Ltd.

[China Manufacturers]

Car PC DVD with 7 Inch Detachable Android 2.3 Tablet Panel with 3G WiFi GPS Bluetooth

Mar 26, 2012

... at the same time, as man can not use two systems at the same time( PAD is Android system, then DVD ... 2.3 Operation System- 1GHz CPU, 512M RAM, very fast response- Built-in 3000mA Battery, it can support longer work time ...

Supplier: Shenzhen Fortune Joint Technology Co., Ltd.

[China Manufacturers]

Half-duplex DATA/PTZ RS232/485 Wireless video Transmitter Module

Aug 10, 2012

... and queuing machine;Electronic bus station and intelligent traffic;Alarm systems. Specification:Frequency: VHF/UHF ( 223-235MHz )Power: 500mWFrequency stability: ± 2 ... sensitivity: ≤0.25μV (12dB SINAD)Adjacent channel selectivity: ≥70dBSpurious Response Immunity: ≥ 65dBAdjacent channel power ratio: ≥70dBAudio Output: 0.5W(8 ...

Supplier: Shenzhen Safe Guard Co., Ltd.

[China Manufacturers]

LED Electronic Tourch MP3

Mar 31, 2013

... maximum output:(L)10mW+(R)10mW(32Ohm) Music format Frequency response:20Hz---20KHzSNR(Signal Noise Ratio): 85DbSNR: 45dBMP1,MP2,MP3,WMA ... to the guests, music whistle can be change. Supported operating systems Windows98/SE/ME/2K/XP,Mac OS 10,Linux 2 ...

Supplier: Shenzhen Brosfuture Electronics Technology Co., Ltd.

[China Manufacturers]