Reviews Light Spectrum Meter

Digital Handheld Sound Level Meter - Meter Automatic with A and C Frequency Weighting for Musicians and Sound Audio Professionals, 9V Battery Type - Pyle SPL25, Red/Black (PSPL25)

  • MAIN FEATURES: MAX/MIN hold feature for measuring absolute high/low peaks. +/- 1.5dBA with 0.1dBA resolution & measuring range of 60-130dBA. Automatic power off feature to save battery life (easily disableable). Sampling rate of 2x/Second. Up to 30 hours of continuous use on a single 9V battery.
  • EASY TO USE: Super easy and simple to use. All readings are measured in dBA, the most common decibel reading for most all applications, home and commercial. Large easy to read backlit display with a MAX/MIN function to know the MAX and MIN dB levels recorded by the meter.
  • VERY AFFORDABLE: Our sound meters are designed with the general consumer in mind, made with the features required by most users while eliminating unnecessary features that only add to the cost that will not normally be used by most consumers. This way you will only be paying for what you really need in a sound meter, a decibel reading.
  • VERSATILE SOUND LEVEL METER: A great basic sound meter for use across the spectrum in many different fields from music recording, neighbor noise complaints, industrial settings, office settings, speech therapy & more.
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100W Led Grow Light Bulb for Indoor Plants MILYN Pure White Full Spectrum Grow Lights for Seed Starting Growing E26 Grow Lamp for Garden Vegetables Greenhouse Hydroponic Aquarium

  • 【LED GROW LIGHT BULB 】Upgraded Super Bright 150 LEDs Daylight White Full Spectrum high quality Grow Lamp, All Leds are 380nm-1000nm full spectrum,....
  • 【ENERGY SAVING AND LOW HEAT LED PLANT LIGHT BULB】The MILYN grow LED plant light bulb for indoor plants, the heat sink is made of metal aluminum....
  • 【DAYLIGHT WHITE GROW LIGHT BULB】MILYN 100W Daylight White Full Spectrum LED Grow Lights provide a pleasing, natural light temperature that....
  • 【WITHE FULL SPECTRUM LED GROW LIGHT BULB】 Super bright balanced white full spectrum high quality 30W grow lamp with all leds are 380nm-1000nm full....
  • 【E27 SOCKET GROW LIGHT BULBS FOR INDOOR PLANTS】The 100W plant Light bulb designs standard E26/ E27 Socket, just Screw in bulb and turn....
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V8 Finder 2 TV Signal Finder Meter, DVB-S/S2/S2X Signal Receiver with 3.5 inch HD Digital Display, H.264 Auto Calculate Angle Built-in 4000mAh Battery for Adjusting Sat Dish

  • GTMEDIA V8 Finder 2 is a DVB-S/S2/S2X and MPEG-2/4 H.264 (8 Bit) compliant handheld signal finder meter. With its compact size, light weight, intuitive user's interface, long battery operational hours and rich feature set, the meter provides all functions needed for installation and verification of digital TV service to residential homes or multi-dwelling units..
  • 【3.5 Inch High Definition LCD Screen】- Fully DVB-S2X/S2/S, MPEG-2/MPEG-4 compliant, Support H.264 (8 Bit) Hardware decoding.
  • 【Support Loop Search】- Spectrum analyzer, Supports scan of Auto, Blind, Manual or NIT Sound for Locking Signal, Digital measuring device for signal strength and quality, Auto Calculate Angle of AZ,EL.
  • 【Speaker Integrated】- Support both AV out and AV in Support both HD out, Support real-time power display, with low power reminder, Supports DISEQC 1.0/1.1/1.2, Unicable, 0/22kHz Tone.
  • 【7.4V/4000mAh Li-ion Battery Included】- Support Type-C charging interface, support multi-protocol fast charging, Support TypeC reverse charging, LNB short-protect, Software upgrade via USB port, Easy to carry.
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color tree Handheld LED EMF Magnetic Field Ghost Hunting Detector Electromagnetic Paranormal Equipment Tester 50Hz-20,000Hz Black

  • The EMF Meter Range for Ghost Hunting helps measure the electromagnetic fields to identify appliances that produce high-level emissions, allowing users to make informed decisions about limiting exposure..
  • The detectors have been associated with locations, where unexplained phenomena have been reported like alleged haunting..
  • The Ghost Hunting Detector operates on a single battery, and reports EMF measurements in five milliGauss ranges..
  • Measure wide spectrum of EMFs from 50 Hz up to 20,000 Hz, and it can register a cell phone that is within 2 feet. Measure EMF level protect from potentially harmful long term overexposure to EMFs..
  • Portable, easy to use, rugged, reliable, super responsive with easy to read LED light scale in dark and sunshine..
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Led Grow Light Strip Full Spectrum Red&Blue&3500K Plant Light with Auto Cycle Timer 3/9/12 Hours 3 Spectrum Modes 10 Dimmable Brightness Level Growing Lamp for Indoor Plants from Seeding to Harvest

  • 【Full Spectrum + Red + Blue】3 PCS LED grow light bars contains 96 pieces of efficiently growing LED Chips that provide perfect spectrum for indoor plants. 56 Red LEDs contribute to photosynthesis, germination, flowering and results. 24 Blue LEDs help plants with chlorophyll synthesis to intake more energy for better germination. 16 pieces of 3500K full spectrum LEDs provide sunlike light for plants, make plants grow just like in the nature..
  • 【3 Spectrum Modes & 10 Brightness Levels】The new growing lamp with 3 spectrum modes,red spectrum mode, blue&3500K spectrum mode, red&blue&3500K spectrum mode. Different spectrum modes are suitable for the light needs of different growth stages of different plants.Our LED plant strips have 10 adjustable brightness levels: 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%, to meet each plants lighting requirements at different stages..
  • 【3H/9H/12H Auto Cycle Timing】The timer of led grow light allow you to turn it on and off at a pre-set time, which has 3H, 9H, 12H 3 timing modes, 3 color lights correspond to the 3 modes. When the indicator is off, the timing function is off. ATTENTION: This timing function is 24H cycle timing. In the case of continuous power, the cycle will work, and it will be invalid aft....
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BOSS Audio Systems WP2 ATV Whip - 24-inch 360-degree RGB Red/Green/Blue Multicolor 20 Color Combinations 15 Brightness Levels Marine Rated Weatherproof IP67 Easy Installation

  • Wrapped - The LED lights wrap around 360 degrees and offers a full color spectrum for more light and more visibility.
  • Remote Control - The included RF (Radio Frequency) remote control allows for 22 dynamic modes. You can choose 20 color combinations with 32 speed....
  • IP67 Rated - Silicone sealed for complete protection from sand, dust, dirt, rain, oxidation, and water immersion between 15 centimeters and 1 meter in....
  • Shockproof - Very flexible and built to withstand whiplash measuring G forces.
  • Waterproof – Neither dust, sand, oxidation, snow, water, sun, or humidity will slow you down. Keep riding through all types of weather conditions.....
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Satellite finder Signal Finder, VISLONE HD Satellite TV Signal Finder ST-5150 DVB-S2/T2/C COMBO Digital Handheld Signal Meter Satellite Finder H.265 HEVC MPEG-4 4.3 Inch TFT LCD US Plug

  • WS-6980 is a DVB-S/S2/T/T2/C and MPEG-2/4 H.264/h.265 (Just support 8 Bit, not suppport 10 Bit) compliant handheld combo meter. With its compact size, light weight, intuitive user's interface, long battery operational hours and rich feature set, the meter provides all functions needed for installation and verification of digital Satellite TV service, antenna signal and cable signal to residential homes or multi-dwelling unit. Currently, WS-6980 can only support 1080P and cannot support 4K..
  • 7 Inch High Definition TFT LCD Screen(1024*600) .Fully DVB-S/S2,T/T2/C, MPEG-2/MPEG－4 compliant, MPEG-2 / MPEG－4 H.264 Hardware decoding..
  • Supports scan of Auto, Manual ,NIT(DVB-S/S2).
  • Supports DISEQC 1.0/1.1/1.2 ,0/22khz Tone.
  • Independent battery charging power. Software upgrade via USB port,..
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Briignite Grow Lights for Indoor Plants, Full Spectrum Grow Light, 11W LED Clip On Grow Lights 100W Equivalent, Adjustable Gooseneck, Bulbs Replacement, Grow Lights for Seed Starting, Succulents

  • Full Spectrum and High Efficiency: This full spectrum grow light appears 4000K white to eyes but has a red/blue light spectrum, which can contribute to the growth of various types of plants in all stages. With high light transmission, it improves plant absorption more effectively..
  • Strong Clip and Flexible Gooseneck: Our plant grow light equips with a strong clip which can help the grow light clamp anywhere stably. The adjustable gooseneck arm support achieving the right lighting angle and height for your plants. The above features enable this plant light to be placed anywhere in your home or office..
  • Replaceable Bulbs: The led full spectrum grow light bulb of this product is replaceable, which allows you to replace a new bulb instead of wasting money to get a new grow light.Please note that 1 package includes 2 A19 E26 Base grow light bulbs..
  • Widely Used: Same as natural sun shine, this grow lamp is perfect for indoor growing. Balanced lighting of full spectrum wavelength can give your plants more light with a high output PPF of 25 micromoles per second, ideal for tomatoes, cucumbers, peppers, leafy greens and herbs at all growth stages..
  • Satisfied Service: Briignite led grow lights concern about your plant's better growth. Please contact us f....
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Jonard Tools FPL-5050 Fiber Power Meter & Optical Light Source Kit (-50 to +26 dBm, Single-Mode)

  • ESSENTIAL KIT: This tool kit provides everything you need to provide a stable light source and measure the relative optical power of fiber optic cables.
  • POWER METER (FPM-50A): Measure single-mode wavelengths from 800-1650 nm with relative power ranging from -50 to +26 dBm.
  • LIGHT SOURCE (FLS-50): Provides a stable light source at 1310 nm or 1550 nm wavelengths for the optical power meter.
  • INCLUDED ADAPTERS: Includes FC, SC, and LC adapters for both power meter and light source for PC/UPC connectorized cables.
  • INCLUDES: FPM-50A Power Meter, FLS-50 Optical Light Source, and H-22 Carrying Bag with Straps.
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