ReviewsConductivity Probe

Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34 KT88 6L6 6V6 5881 6550 KT66 KT100 KT120 7027 CT1-P Plate Current

CT1-P is a bias current probe tester for testing PLATE current of vacuum tubes.
Suitable for tube model EL34,KT88,6L6,6V6,5881,6550,KT66,KT100,KT120,7027 etc..
Banana Jack Plug ,same as your multi-meter probe.

Check Stock

Hofun TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

✔[ BONUS 3 in 1 Digital TDS Temperature & Conductivity Meter] Hofun 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Three different measurement needs can be fulfilled by one digital water quality tester. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life..
✔[ RELIABLE TDS METER -- ACCURATE & QUICK] Equipped with premium quality titanium alloy probe, Hofun TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter，Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc..
✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: Internatio....

Check Stock

Bionso 25-Piece Multimeter Leads Kit Professional and Upgraded Test Leads Set with Replaceable Gold-Plated Multimeter Probes Alligator Clips Test Hooks and Back Probe Pins.

Soft, Safe and Excellent Quality: The upgraded version of the product, the leads are made of high quality silicone, cold and high temperature resistant, very soft, more flexible use. A double insulated lead with 100 high-purity copper wire ensures safety, low resistance and no signal loss. The products are well designed and made..
Precise, Durable and Comfortable: A replaceable gold-plated probe ensures high strength, high conductivity, long service life and accurate test data. The surface gives the user a comfortable, reliable grip on the accessory ..
Versatile: The replaceable gold-plated multimeter test probes, alligator clips, test hook and back probe pins can be used in different measurement environments such as industrial, electronics, home and automotive..
Compatible: The Bionso 25-piece multimeter test leads kit works perfectly with any multimeter, clamp meter or test instrument..
What You Get: 2x 43" test leads, 2x handles, 4x 1.0mm gold-plated probes, 2x 2.0mm gold-plated probes, 2x 3.8mm gold-plated banana plug probes, 2x 0.7mm back probe pins, 2x alligator clips, 2x tip shrouds, 1x wrench, 2x test hooks, 2x beautiful storage boxes. Plus, We offer a 3 month no-questions-asked refund and a 2 year worry-free warranty..

Check Stock

AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof 5 Functions pH TDS EC Salinity Temperature 0.01 Resolution High-Accuracy Pen-Type Tester for Hydroponics Water Wine Spas Aquariums White

[5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and....
[Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point....
[TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%..
[EC Measurement] - Measure Electrical Conductivity of either fresh or salt water..
[Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater....

Check Stock

apine Soil Moister Meter, 3 in 1 Soil pH Tester, Soil Test Kit for Lawns, Garden, Farm, House, Indoor, Outdoor, Hydrometer for Plants.

...data are read immediately plug and play, and help you quickly become a gardening expert!.
※【Material upgrade, fast and accurate】: Our double-probes are made of high-quality aluminum and copper nickel-plated materials, which are more corrosion-resistant than the old pure copper. At the same time, they have high conductivity and high sensitivity, which greatly improves the speed and accuracy of soil moisture and pH detection and analysis, so that let your plants grow in the most comfortable environment..
※【No battery required, easy to carry】: Built-in silicon photovoltaic cell, which directly converts light into electrical energy, no need for additional batteries, environmentally friendly use. It is designed to be lightweight and portable for easy portability, suitable for indoor, outdoor use, and is an ideal soil testing tool for home plants, gardens, lawns, and farms. No special skills are required to help you enjoy your gardening journey with ease..
※【Professional and thoughtful, high-quality service】: Each 3-in-1 soil tester especially comes with a thoughtful wiping cloth for you. Wipe the soil moisture sensor with the included cloth to make it more sensitive before using. The probe can also be wiped with the included wipe cloth afte....

Check Stock

Bluelab CONTPRO Pro Controller for Fully Automated 24/7 Digital Monitor, Dosing, and Data Logging of Hydroponics Reservoir (Base Only, No Pump), includes pH, EC, and temperature probe

Test, measure and control (doser) pH and nutrients (tds) in solution to make precise up and down adjustments with lab quality probes for use in hydroponic system and grows with reservoirs.
multi-part nutrient dosing with Peripods.
EASY two point calibration for pH sensor, and auto temperature compensation, with backlit LCD display and calibration reminders.
Data logging with Bluelab Connect software (Connect stick sold separately).
24/7 meter for your nutrient and ph level to maximize your grow and ensure plants get the balanced feed they need.
high and low alarm when outside parameters.
tester parameters can be viewed on mobile phone.
Other features: flexible mounting options, replaceable probes, high RF tolerance, units for temperature and conductivity.
KIT INCLUDES Pro Controller, pH/EC/temperature sensor (Peripod pumps sold separately).
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment.
2 Year Limited Warranty with proof of purchase on the controller (6 month warranty for pH probe).

Check Stock

Capacitive Approach Switch, Capacitive Proximity Switch Sensor Switch Power Switch Capacitive Switch for Closets for Cabinets(Cr3015Ac)

Super good‑quality chips and components, which bring quickly response, stable quality, strong anti‑interference, high stability.
The product using good‑quality sensor probe, which possess sensitive interaction.
Heat‑resistant PVC flame‑retardant shell material, 1.2meter thick good‑quality cable have good electrical conductivity.
Possess wide voltage range, high repeat accuracy, fast frequency response, long service life.
The objects that can be detected are metal, wood, paper, etc., this switch is very practical and versatile.

Check Stock

DGZZI 2PCS DS18B20 Stainless Steel Encapsulated Temperature Sensor Waterproof Digital Temperature Probe 1 Meter for Arduino

With high quality stainless steel tube encapsulation,the item is waterproof, moistureproof, rust-proof..
Sealing with high thermal conductivity sealant to guarantee high sensitivity and the minimum temperature delay of the temperature sensor..
Every probe is tested strictly to ensure it works normally..
This product is suitable for temperature measurement and control field freezer, silos, storage tanks, telecommunications room, power room, cable ducts, etc.
What is in the package: 2* DS18B20 Temperature sensor.

Check Stock

BERM Proximity Switch, DC10-30V Approach Sensor Inductive Proximity Switch, 3-Wires Built-in Chip NPN NO for Detecting Distance

【Sensitive】Built-in sensor probe, can detect objects sensitively, quickly respond, and stable quality..
【Heat-Resistant】Use heat-resistant ABS shell, strong anti-interference, high stability..
【Cable】The standard cable is 1.5 meters long, thickened cable, flame retardant outer layer, strong conductivity..
【Metal Sensor】LED indicator of the proximity switch can sense metal objects sensitively..
【Application】Widely used in machine tool, metallurgy, chemical, textile and printing industries..

Check Stock

Apera Instruments Value Series EC20 Conductivity EC Pocket Tester Kit ±1% F.S Accuracy in 0 to 20 mS/cm BPB Sensor

APERA's unique BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range conductivity measurement.
EASY Auto Calibration with auto buffer recognition.
Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C).
LARGE CLEAR LCD with DUAL Display of temp./ppt, and REMINDERS of completed calibrations and stable readings.
COMPLETE KIT with READY-TO-USE calibration solutions, batteries, and a lanyard in a portable carrying case.
1000 hours' continuous operation time powered by AAA batteries.

Check Stock

Kestrel 5000 Environmental Meter Non-LiNK, Black

Conductivity pen can test and monitor your nutrients (TDS) level to maximize your grow and ensure plants get the balanced feed they need.
General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing.
This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature.
Durable design for repeated uses and fully waterproof and it floats in any solution.
Calibration optional, the meter comes factory calibrated so it's ready to be used.
Regular cleaning is recommended for accurate reading.
Different units are available (EC, PPM 500, PPM700, and CF).
Combine with our pH pens and meters for full garden nutrient monitoring in water and soil.
Other features: Auto off function, low battery indicator, units for temperature.
KIT INCLUDES: AAA battery, probe care kit is sold separately.
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for grower.
2-Year Limited Warranty with proof of purchase.

Check Stock