Reviews Marine Light Meter

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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Five Oceans FO2151 Marine Electric Dual Trumpet Horn, Polished AISI316 Stainless Steel, 115 dB, 12 Volts, No Compressor or Hoses needed, Easy Installation

  • This Five Oceans Marine Electric Dual Trumpet Horn sounds at 115 dB (Sound output at one meter)..
  • This Electric Horn is maintenance free and it does not require a compressor or hoses..
  • The unit is pre-wired for easy installation and all the elements (exterior trumpet, cover, diaphragm, and bracket) are made of polished AISI316 stainless steel..
  • This Electric Horn is ideal for marine applications, boats, Rv and trucks suitable in fresh or salt water environment..
  • Frequency is 370 +/- 20Hz 310 +/- 20Hz with a Maximum amp draw of 10 amps. Amperage of 4.5 amps with. Voltage of 12 Volts.. FIVE OCEANS, 40 Years Developing High-Quality Marine & Outdoor Products.
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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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[Bluetooth Deployment Solar Radio time Signal] G-Shock MTG-B1000D-1AJF (Japan Domestic Genuine Products)

  • 5 months on rechargeable battery (Operation Period with normal use without exposure to light after charge).
  • 24 months on rechargeable battery ( Operation period when stored in total darkness with the power save function on after full charge ).
  • Quartz Movement. Countdown range- 24 hours. Countdown start time setting range- 1 minute to 24 hours (1-minute increments and 1-hour increments).
  • Water resistant 200m (660ft): in general, suitable for professional marine activity and serious surface water sports, but not diving.
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Searon Digital Tach Hour Meter Tachometer RPM Counter for Snowmobile Skis Motor Bike Go Kart Lawn Mower

  • Inductive Tach/Hour Meter -- This digital Tach Hour Meter Tachometer will keep track of engine RPMs and running time for RC Toys, PWC, ATV, Motorcycles, Marine Engines, Chain Saws, Tractors, Lawnmowers and Gas Powered Engines..
  • Read RPM -- Read RPM when engine is started. When engine is off, display total run time of engine and remains visible.
  • Accumulate Total Hours -- Accumulate Non-resettable total run time of operation, Total time reads up to 999,99 Hours.
  • Works With -- 4 Stroke 1 Cylinder / 4 Stroke 2 Cylinder / 4 Stroke 4 Cylinder / 4 Stroke 6 Cylinder / 4 Stroke 8 Cylinder / 4 Stroke 12 Cylinder / 4 Stroke 16 Cylinder / 2 Stroke 1 Cylinder / 2 Stroke 2 Cylinder / 2 Stroke 3 Cylinder / 2 Stroke 4 Cylinder/ 2 Stroke 6 Cylinder Gas Powered Engines.
  • 2-Year Warranty -- Searon warrants that for a period of 2 YEARS from time of purchase. within 2 years, any issue with this Generator hour meter Tachometer Inductive, it will be full refund without return, as long as you contact us timely..
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eSeasonGear SALT-3000 Meter Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

  • Precalibrated at 3000 ppm salt (NaCl) at 25°C / 77°F.
  • Built-in ATC sensor for automatic temperature compensation.
  • Built-in salt (NaCl) conversion factor for meter calibration.
  • Temperature Range: 0-55 °C or 32-130 °F.
  • Not waterproof ( please buy the SALT-3050 if you need a waterproof salt meter)..
  • Works ONLY for Salt Water Pool and Koi Fish Pond Salt level testing..
  • Will NOT work for Sea/Marine/Salt Water Fish Tank Salt level testing *** Will NOT work for Food salt level testing! *** Will NOT work for any other....
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Banshee Lithium Ion Deep Cycle Marine Battery Replaces Optima D31M 8052-161 SC31DM

  • 3 Year Warranty | Advanced LifePo4 Technology provides the Lightest, Highest CCA, and Longest Lasting Battery Possible.
  • Replaces Group 31 Marine, RV Solar, Sailing battery applications. Dual Purpose, 1200CCA and Deep Cycle capabilities.
  • Advanced Capabilities – True Marine Dual Post Terminals, Emergency Start Function, Built In Voltage Meter, BMS System, Patent Pending.
  • Specifications – Voltage: 12 | Amp Hours: 100 | Chemistry: Lithium-Iron Phosphate (LiFeP04) | Cold Cranking Amps: 1200 Group Size: BCI: 31 | Dimensions: L – 12.99 x W – 6.81 x H – 8.66 | Weight: 24.2 lb – Must use only Lithium Ion, LifePo4 Charger.
  • “It’s not a Battery, It’s a Banshee”.
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Hyuduo Dissolved Oxygen Meter, Digital Dissolved Oxygen Meter Analyzer for 0.040.0mg/L, Portable Oxygen Concentration DO Pen,PH Water Quality/Temperature Hygrometer

  • High accuracy, quick response, quick test results can be detected, any 0.040.0mg/L liquid can be tested..
  • With automatic temperature compensation function, the temperature of the solution can be automatically compensated for 040, and the reading is accurate and stable..
  • The dissolved oxygen meter is suitable for freshwater aquaculture, marine aquaculture, swimming pools, beverage factories, sewage treatment plants, and laboratories..
  • The digital screen display with backlight makes the data read more clear and convenient..
  • Small penshaped design, light and easy to move, you can test water anywhere to get the purest water..
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Tachometer for Small Engine,Inductive Hour Meter for 2 Stroke & 4 Stroke Small Engine, Timorn Replaceable Battery Waterproof Tachometer for Chainsaw Marine ATV Motorcycle UTV Engine (Black)

  • ... reminder, widely used in industrial, agriculture, construction machinery.
  • Small Engine Tachometer and Engine Hour Meter, it will show both engine RPM and hours of operation, max in 99,999 RPM reader. tuning tachometer, hour meter and service timer function 3 in 1, suitable for gasoline engine used in boat, outboard marine, motorcycle, lawn mower, chainsaw, dirt bike, car, go kart, tractor, automotive, scooter, golf cart, moped, jet ski, pressure washer, pit bike, minibike, snowmobile, sailboat, snowblower.
  • Led hour meter diagnostic the service life of your vehicle-Oil Changes, Valve, Adjustments, Spark Plugs replacement, etc. Countdown induction hourmeter display the engine run time, when your setted maintenance time reached, the service warning icon flashes.
  • Tiny tach wired Tachometer and Engine RPM gauge is super easy installation, a simple and easy to use portable tac that gets the job done with minimal complication, hall effect gas generator rpm tester tool hr metre just need wrap the single black wire to contact the spark plug fire of your engine(turn at least 5 rounds to make sure the connection is tight).
  • Waterproof universal hour meter suitable for all two stroke (single/twin/3/6 cylinders) & four stroke (single/twin/3/4/5/6/8/12 cylinders) gaso....
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