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ECTK-129 3-in-1 Nutra-wand Waterproof Nutrient Meter Hydroponic Tester Dipstick
This 3 in 1 nutrient meter dipstick is the fastest & easiest way to measure the nutrient strength in your nutrient reservoir. It provides highly accurate results for EC (Electricity Conductivity), CF(Conductivity Factor) and Total Dissolved Solids (TDS) (PPM or parts...
$43.70 USD
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ECTK-227 Digital EC Conductivity Meter 0~19.99ms/cm with Backlight, Hydroponics, Aquaculture Water Quality Tester
This Compact, portable pen type Conductivity meter measures the electrical conductivity in a solution, it tests the quality of water. It is commonly used in hydroponics, aquaculture and freshwater systems to monitor the number of nutrients, salts...
$9.00 USD
ECTK-231 PH & EC Conductivity Meter Water Quality Tester Continuous Monitor Aquaculture Hydroponics
The EC PH Monitor provides 24 hours continuous reading for pH & conductivity. Designed for indoor use, this pH & EC Monitor can be mounted on a wall or hung on a support bar. ...
$55.90 USD
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ECTK-772 Digital EC Conductivity Meter Water Qaulity Tester Water 0~1999 us/cm with ATC
Applications & Usage:Perfect for both consumer or commercial use such as in water systems, aquaculture, drinking water production, monitoring the cleanliness of swimming pool & spa, nutrient, hydroponics, household, office, aquariums, teaching material...
$10.90 USD
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ECTK-773 Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm) Water Quality Tester
EC is measurements of the strength of the nutrient solution. Applications & Usage:It can be used in many applications such as in Aquarium, swimming pool, Spa, Nutrient, Hydroponics and laboratory and many more. Features:...
$27.90 USD
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EMTK-1013 Electromagnetic EMF Waves Level Sensor 15mA~90mA LED Indicator CE Marking
This Electromagnetic EMF Sensor is an excellent tool for those curious about EMF Fields in their home or for an electrician's use.The tester divides electromagnetic wave strength into Five (5) level milliGauss ranges, which...
$34.30 USD $24.50 USD
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EMTK-1025 Mini Portable Paint Car Coating Paint Thickness Gauge Meter Tester
This paint thickness meter is designed to not-destructively measure the thickness of non-magnetic coatings (including paint, enamel, plastic, epoxy, etc.) on iron, steel or aluminum. Features: Measurement mode: Fe Automatic calibration Data hold...
$22.50 USD
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EMTK-731 Tri-Axis Gauss Meter Digital EMF/RF Field Strength Tester 38mV ~ 11V/m Handheld Tool
Designed to measure the electromagnetic field value of the Radio -Frequency. It can do a non-directional (isotropic) measurement with a three-channel measurement sensor. The non-directional electric field and high sensitivity also allow measurements of an electric...
$98.80 USD
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EMTK-774 EMF ELF Magnetic Field Gauss Meter 30~300Hz
This EMF/ELF Meter (Gauss Meter is used to measure the electromagnetic field of extremely low frequency (ELF). The reading in milliGauss (mG) and microTesla (µT) are switchable anytime by simply press the button. Application: It is...
$59.60 USD
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FF-1108-1 LUCKY 100M Fishfinder Sonar Transducer 12M Cable for Boat, Kayak, Ocean, Ice, Lake Fishing
This fish finder can detect and display the grasses, sands, and rocks on the seabed. It uses sonar technology to locate fish or school of fish on any particular area or other solid...
$67.50 USD
FF-1108-1CLA Lucky Wireless / Wired Fish Finder Colored Fishfinder Detector Attractive Lamp Sensor
Features: Wireless Sensor with Latest Technology: Built-in Fish Attractive Lamp Rechargeable Working light indicator TFT Color Display Rechargeable lithium battery (main unit & wireless sensor) Audible Fish Alarm Adjustable Shallow Alarm Adjustable Depth Upper Limit...
$126.90 USD