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This directional speaker features longer distance on sound transmission. With the waterproof design, it's suitable for all outdoor locations such as gymnasia, gym rooms, playgrounds, marketplaces, assembly halls, etc. PS-665 Specifications: 1, Rated Power at 70V:3.5/7.5/15/30W 2, Rated Power at 100V: 7.5/15/30W 3, Speaker(Directional): 5" 4, Frequency Response:100Hz-20KHz 5, Sensitivity(1W/1m): 93dB 6, Material: ABS 7, N.W (1PC): 1.7KG 8,[...]

Specifications: Max Continuous Current: 65Amps Li-Po Cell Range: 2 to 6 Cells Ni-xx Cell Range: 6 to 12 Cells Max BEC Output: 5 Amp @ 5.0 V/5.5V/6V adjustable Size: 47 x 34 x 15 mm (1.9 x1.3 x 0.6 in) Weight (Without Connectors): 65gm (2.3 oz) Harrier-Suprem V2 ESCs are the upgraded version of Harrier-Suprem V1 Series. Performance, quality greatly boosted as PCB hardware, software, MOSFET, Programming menu all upgraded. They remain the most advanced and best solutions for RC power system[...]

According to custom design to manufacture kinds of cylindrical lenses.Such as plano convex cylindrical lens, plano concave cylindrical lens, bi-convex cylindrical lens, bi-concave cylindrical lens, meniscus cylindrical lens, achromatic cylindrical lens, aspherical & spherical series. Material: flint glasses, UV-fused silica, Infrared fused silica, CaF2, Ge, ZnSe, Si, etc. Focal length:+/-5mm-- +/-1000mm+/-1% (test by TIROPTICS OPTOMATIC2000 made in German) Length: 2mm-3mm +/-0.1mm Width:[...]

Emerson NFS110-7602PJ Quad Output AC/DC Power Supply Stocks: NFS110-7602PJ x 790pcs NFS80-7606J x 1300pcs CXA10-48S05J x 1200pcs LPT65 x 336pcs LPS65 x 476pcs MP4-1Q-4LQ-00 x 20pcs LPT45 X 200pcs Features: Emerson NFS110-7602PJ Quad Output AC/DC Power Supply 1. 7.0 x 4.25 x 1.8 inch package 2. UL, CSA, CE, TUV Listed 3. Adjustable outputs For more Emerson Power: AC-DC Switching Power Supply Low Power 2-500W --Open Frame NLP25-7605J NLP25-7612J NLP25-7624J[...]

This device is designed to detect oxygen concentration levels in gas using a zirconia sensor. The output measurement is in a 4-20mA current loop. The measured gas is fed through a tube into the measuring chamber with the sensor (the sensor and chamber are included). The inlet pressure is about 1 bar, in the measuring chamber pressure is comparable to the atmospheric pressure, the measured gas is then discharged into the atmosphere. The gas flow is about 0,3l/min. Sensor must be used only for clean,[...]

Intelligent AC Dummy Load for diesel generator & UPS capability loading test Essential testing instrument for AC power supply devices like the generators, UPS. Available for the full power loading capability test in the acceptance inspection, renovations, overhauls and routine maintenance. Revolutionary functions and humanized operation bring a brand-new experience to the user For the varies of generators, gensets and UPS, the output power and loading capability test are very crucial[...]

General Battery Conductance Tester is a multi-function and protable digital data storage measurement insturment to test battery running condition and paratmeters quickly and precisely.It can display and record muiti groups of batteries voltage,conductance ,connecting stip resistance and so on key paraemeters,distinguish battery's condition effectively and accurately,compose intelligent measurement equipment with PC and reserve battery data analysis software to track battery's decay trend,and alarm[...]

Features Portable design and colorful touch screen High-performance Li-battery for long time power supply Could test 3-phase volt, null line volt, 3-phase current, null line current, etc. Up to 50 times harmonic testing with frequency spectrum graph Power testing: 3-phase apparent power, active power, reactive power, power factor, and 3-phase electric power. 3-phase unbalance testing with vivid chart Record at least 40 times of surge current Testing for wave motion, short-time flicker[...]

The “DSP inside” our SPECTRA long range locator does it all: it makes millions automatic corrections to the output frequency when it operates,to match the metal programmed, and produces a signal accurate to 0,1 Hz. The result? only the selected metal is stimulated and no faults. Digital Frequency Synthesis: scan for gold, silver, copper, bronze, iron, lead, aluminum, diamonds, water, void & other elements. User can fine adjust the frequency at 1 Hz steps. Digital Ground Balance: analyses[...]

The Pro-Accumaster VII is a scientific geophysical locator for the detection of treasures, gold, metals, minerals, cavities, voids, subsurface water etc. Scans targets by measuring the total electrical resistance of the ground between the 4 ground rods, which are injected into the soil on a square or rectangular pattern, and presents the results on a target meter as OHM electrical resistivity values. Underground electrical resistance changes with factors like water, metals or caves. In our latest[...]