ReviewsLight Source Meter

LaMotte N-P-K Soil Test Kit

【3-IN-1 MULTFUNCTION】: The Soil Moisture Meter has the functions of soil moisture, pH, and sunlight intensity. The plant moisture meter can accurately grasp the time and amount of water needed to water the plants, and help you plant your favorite flowers and plants. (This soil tester CAN ONLY be used in soil, it CANNOT be used to test any liquids).
【NEWLY UPGRADED LIGHT AREA & Probe】：The soil moisture meter is newly upgraded. The light-sensing area is larger and more sensitive than before. The upgraded version of the moisture meter probe is more durable and not easy to fall off. It allows your plants to photosynthesize better and grow healthily. The best soil moisture meter as Halloween gifts for family and friends..
【EASY TO USE】:This soil ph meter uses dual needle detection technology to quickly and accurately detect soil moisture, pH, and light conditions. Just insert the sensor probe into the soil about 2-4 inches, and flip the switch to test the water, pH, and sunlight you want to measure. No batteries or electricity needed, plug and read..
【WIDELY APPLICABLE】: This moisture meter is suitable for indoor and outdoor use. The design is light and portable, and it is easy to carry and use outdoors. The soil ph meter is an ideal soil t....

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Weather Meter Kit - Station Includes Analog sensors Wind Vane Cup Anemometer Tipping Bucket rain Gauge RJ11 terminated Cables

Kit represents the three core components of weather measurement: wind speed, wind direction and rainfall..
It uses sealed magnetic reed switches and magnets so you'll need to source a voltage to take any measurements..
All of the sensors in the weather meter kit are passive components. This means you will need a voltage source in order to measure anything with them..
Sensors include Wind vane, Cup anemometer, Tipping bucket rain gauge. RJ11 terminated cables..
Stand: Two-part mounting mast, Rain gauge mounting arm, Wind meter mounting bar, 2x Mounting clamps and 4x Zip ties..

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TOPHORT pH Meter, 3-in-1 Soil Tester Kits with Moisture,Light and PH Test for Garden, Farm, Lawn, Indoor & Outdoor

【3-in-1 Soil Test Kit】-- You can use plant meter to measure the light, humidity and pH of the soil. The three-in-one function of the moisture meter can help you understand the soil condition in real time. The professional high-precision soil tester is More accurate measurement . This moisture meter for potted plants is Garden lover's gift..
【Accurate Soil ph Meter】-- Moisture meter plants through double needle measurement, these two moisture probes can scientifically and accurately measure the moisture and pH value of vegetation, and sensitively detect changes in soil, so that plants can be planted with reliable data ..
【Easy to Operate Soil Moisture Meter】-- Soil moisture meter after inserting the Potted , You don't have to wait to see the data, plant ph tester 3-key switching, convenient and quick. The soil test kit relies on electrodes, does not require batteries, and has reliable data. moisture tester is an ideal tool for planting and gardening..
【Widely Applicable Plant Accessories】-- The moister meter for plants Suitable for home garden breeding, rice planting, vegetable planting, forest planting, succulent soil,potted plants, flower planting, greenhouse planting, garden planting, soil testing,etc, moisture meter for potted plants ....

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OTDR Tester SM 1310/1550nm 32/30dB with SC FC ST LC Adapters, Multi-function Fiber Optic Tools OTDR +OPM+VFL+OLS+Event Map, 7-inch Touch Screen One Key Operation (Blue)

OTDR, Optical Power Meter, Visual Fault Locator, Optical Light Source, Event Map (IOLM), All in one Multi-functional OTDR Fiber Tester with 7-inch capacitive touching screen, able to meet FTTX testing needs.
Integrated design, smart and rugged – This OTDR supports both Multi-measuring mode and Realtime measuring function, finish measurement by just one button. You can choose measuring unit from Meter, Feet and Mile in Setting.
Data simulation analysis software is included to process, generate and print report. It’s convenient to preview the curve from computer, offline curve analysis and preview and print curve.
Integrated with 2 main USB and one sub USB port, for controlling by PC or connect external instrument.
8G internal memory can store more than 80000 groups curve.
Small and light (230×185×70mm /1.5kg), easy to carry and use in outdoor field work.
large battery capacity (7.4V/6.6Ah lithium battery) ensures longer continuous working hours (8-10 hours).

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Light Transmission Meter Spectrum Transmittance Meter for Testing The Transmission Value of The Mobile Phone Lens

Type:Lens Transmission Meter, Spectrum Transmission Meter,Light Transmission Meter,Spectrum Transmittance Meter.
Accuracy: ±2%(Colorless and transparent material).
PL transmission meter, BL transmission meter, Light Transmittance Meter, Three function in ONE device..
Self-calibration and auto-calibration, NO need any manual adjustments..
Simple operation, putting the testing sample in the testing position, PL, BL and VL transmission values of the sample will simultaneously display..

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Whaply Small Mini Flashlights Pack of 30,Assorted Colors,New Type Cob Light,With Battery

The Newest Technology: LED COB light source(chip on board light).Color Rendering Index(CRI)≥ 90,like the morning sunshine- soft and clear.Five LED COB bulb,brightness 30 lumen . Light distance is 5 Meter(20ft ).
Small and Lightweight- It is compact enough to fit in your pocket,car glove box,toolbox,nightstand or purse,ideal for home use,dog walking,camping and party decoration..
Easy To Use And Long-Lasting: Simple on/off push button operation and 3x AAA Batteries up to 3 hours of lighting, or normal use for several weeks.(Batteries included).
Assorted Colors: Red,Green,Yellow,Orange,Blue,Purple.Plastic Shell..
Includes 30 Flashlights and 90 Batteries- Keep one in your car, one in your home, or gift one to a friend or family member. Every purchase comes with an extended one-year return policy and friendly customer service.

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Douk Audio VU2 MIC & Line Dual VU Meter, Analog Sound Level Indicator, 4-Way Splitter Switch, Audio Switcher Box for Speaker / Amplifier / Preamp (Light Version)

... can be matched very well with most common audio device such as mobile phone, computer, CD players, or speakers and so on, very suitable for home/office/studio system to dynamically decorate your auditory feast..
As a 4-way audio splitter box, VU2 can work in 4-IN-1-OUT to compare the sound quality of differet audio source among mobile phone, tablet computer, TV, CD player, DAC etc., also can work in 1-IN-4-OUT mode to do contrasts among preamp, headphone, power amplifier and active speakers etc..
No need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. 4 channel can input at the same time to mixer different audio source, also can output at the same time to satisfy the requirements of monitoring or recording..
The USB interface of VU2 is only for providing power for the drive board of the VU meter, without any interference to the audio input and output circuit. VU meter and switcher box is controlled independently, and VU meter only reads audio signal from the I/O interface, the sound quality will not be affected..
Unique and powerful design with exquisite appearance, cool black case and colorful indicators looks vintage and dynamic. All input and output terminas are made of lengthened gold-plated pure copper with l....

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Lisle 64970 Parasitic Drain Tester

Replaceable in-line fuses protect both the meter and tester in the event a high current source on the vehicle is left on.
The multimeter is bypassed with the switch during connection in case of a power surge.
The tester and meter can remain connected until other computer systems shut down, isolating the drain.
As a convenience, stacking banana connectors are used on the tester.
This allows voltage to be measured on various locations on the vehicle during the drain test, using standard test leads.

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EMF Meter Electromagnetic Radiation Detector, EMF Detector Ghost Meter, Rechargeable Digital EMF Tester for Home Inspections Office Outdoor Ghost Hunting

...ng the opening or closing of the audible and visual alarm.
Easy to Use: Electromagnetic radiation detector is easy to operate and move, can conduct on-site measurement, the detector is portable, can be operated with one hand, and can effectively identify the magnetic field source and electric field source.

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Princeton Tec Charge Pro LED Task Light Olive Drab 55 Lumens White+Red LED One Size

FOCUSED WIDE BEAM. An excellent choice for multipurpose activities. At close range, wide beams simulate normal daylight conditions and allow you to take advantage of your peripheral vision..
IPX7. Lights provide waterproof integrity down to 1 meter for up to 30 minutes..
MAXBRIGHT LED. The highest quality LED available. Extremely bright and efficient. Emits a smooth, powerful, white light useful for a wide range of tasks. Princeton Tec uses collimators or reflectors with the Maxbright LED depending upon the application..
REGULATED LED. A sophisticated regulating circuit maintains initial brightness as long as the batteries have sufficient voltage. Constant Brightness is a term used to describe products that have regulated LEDs..
ULTRABRIGHT LED. Bright and efficient. The smooth, white, wide-beam light emitted by Ultrabright LEDs is ideal for close to mid-range tasks. Ultrabright LEDs are usually grouped together to offer a more powerful light source..

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JEAA Soil PH Meter for Indoor Garden with 6.89-inch Single Probe to Reach Plant Roots, Soil PH Tester Kit for Plant Care, Farming, Indoor & Outdoor Use

...comes with a single probe measuring 6.89-inches to reach the plant roots. It plugs in smoothly, comes out without flicking a bunch of dirt, and keeps roots intact, ensuring the healthy growth of plants.
EASY TO READ AND WORKS WITHOUT BATTERY: This soil ph tester for plants with a single probe does not need any power source or battery to operate. JEAA indoor soil moisture meter features a Bicolor dial area for an easy read, Red (3-7) represents ACID, Green (7-10) represents ALKALINE.
SCIENTIFICALLY ACCURATE: This soil ph meter for plants is equipped with an advanced electrode induction probe manufactured using zinc alloy. This soil ph tester indoor plants respond quickly and provides accurate testing results. This ph meter helps you grow plants, flowers, and vegetables.
PERFECT FOR INDOOR AND OUTDOOR USE: This lightweight and compact soil ph meter makes a practical gardening tool for indoor gardens, outdoor plants, yard, lawn, farm, houseplants, etc. Please ensure not to use this soil ph meter to test the water or other liquid and wipe clean the probe after every use.

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