Top Ec Generalist Test Questions

Divolight [pH and TDS & EC Tester kit] pH Meter Digital Accuracy 0.01 Lab Pen Type and 3-in-1 TDS and EC Meter, PPM and µS Meter for Water, Practical Water Testing Kit pH and TDS EC Meter Combo

  • [Why do you need pH and DTS & EC meters] – it is a tool to improve your quality of life. these testers can be used to test drinking water, swimming pools, fish tanks, RO systems, or hydroponic water. Any environment that requires testing of water can use these testers to get accurate data. You have to be safe because water can be life, but can be dangerous..
  • [Test your water with this TDS and EC meter] - Is your water pure and drinkable? With the push of a button, the TDS water quality tester will tell you your overall water purity level, which will be displayed on the screen in ppm. Our pen can quickly display the conductivity level of water (Conducts Electricity (EC)) also.
  • it means the dissolved minerals (ions) in water are what conduct the electricity. Finally, you will know the level of pollution and mineralization of water..
  • [Automatic temperature compensation] - There is no need to worry about the temperature of the test liquid affecting the measurement results, as both the pH meter and TDS meter have an automatic temperature compensation function that adjusts to the water temperature.
  • [pH tester] Full measurement range of pH 0 - 14, reliable and quick readings. How to calibrate pH pen - Press CAL key for 5 seconds to enter calibration mode, th....
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HOICATED Digital Salt Pool Tester Range 0-9999ppm for Saltwater Pool Swimming Pool and Koi Fish Pond Salt Level Testing Professional Sodium Chloride Meter

  • Auxiliary tool for salt chlorinator: This salinity tester is specially designed for salt water pool with salt chlorinator generator. It can help to detect the salt level of the salt water pool and ensure the normal operation of the machine. The salt level in the ideal range is 2700ppm to 3400ppm..
  • Application: This salt tester can be used in saltwater pool, swimming pool, koi fish pond and spa. With this tester, save a trip to the pool store. It is not suitable for sea, marine, salt Water fish tank or food..
  • Dual color backlit design: Backlight design guarantees that reading the result can in low light or dark environment. And it has a prompt for the color change of the display, if the salt level is lower than 2700ppm or higher than 3400ppm, the screen will display red. This function can remind that the salt water pool is in an abnormal situation and taking corresponding measures in time is essential..
  • Multifunction: Its function has SALT, EC and TEMP. Salt range: 0-9999ppm. EC range: 0-9999μs/cm & 10.0-19.9ms/cm. EC function general uses for hydroponic system and indoor plant grow..
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YINMIK PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium

  • ...witch readings of pH, EC (μS/cm / mS/cm), TDS (ppm)..
  • {Easy to Calibrate:} Automatic pH calibration. Supports 3-point pH CAL at 7.00, 4.00, 10.01. Comes with 2 sets of pH meter calibration powders (4&7&10) for your calibration needs, (EC and tds meters are pre-calibrated)..
  • {Multiple Uses:} Multiparameter Meters can test pH, EC, tds levels and temperature of pH up and down in hydroponics to know your water is in the perfect range for maximum nutrient uptake. Widely used in DWC hydroponics system, RO/DI water, drinking water, tap water, beer, wine, kombucha, milk, home brewing, pool, aquarium, reef tank, hot tub, aquaculture, Spas, fish tank and urine..
  • {Stable and Reliable Reading:} The additional chip makes the pH reading more stable (Reduce the interference of mobile phones and other items on the instrument), and the automatic temperature compensation (32 to 122 ℉) keeps the reading consistent..
  • {Easy to Read:} The large screen display with green Backlight helps to read the pH tds ec meter at odd angles and in low light. Press the {HOLD/TEMP} key to lock the reading, which helps to easily record readings..
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OHM My After Plan Emergency Contraceptive Pill Levonorgestrel 1.5 mg Plus Follow-Up Pregnancy Test

  • UNIQUE: Because peace of mind isn’t just one step, My After Plan conveniently packages a single dose emergency contraceptive (EC) pill with an....
  • VALUE: It’s a unique option in emergency contraception (EC) as it’s the first to include a single Levonorgestrel 1.5 mg tablet and a follow-up....
  • STEP ONE - My After Plan Emergency Contraception provides the #1 OB/GYN recommended ingredient for emergency contraception (Levonorgestrel 1.5 mg), to....
  • STEP TWO - The My After Plan Pregnancy Test can be used after you have taken the emergency contraceptive (EC) pill if your period is delayed to....
  • SAFE: My After Plan Levonorgestrel 1.5 mg tablet is a safe and effective emergency contraceptive for women. When used as directed it works to help....
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SeedRanch Falcon IV Turf Type Tall Fescue Grass Seeds - 50 lbs.

  • Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed.
  • General uses includes growing tent and reservoir.
  • Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF.
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature.
  • High and low alarm when outside parameters, selectable units include TDS, EC, ppm 500, ppm 700 and CF.
  • Lab quality glass pH probe with easy two point calibration.
  • Conductivity / temperature probe comes factory calibrated so it's ready to be used.
  • Double junction probe is more accurate than test strips and drops.
  • Combine with Bluelab pen and meter for full garden nutrients monitoring in water and soil.
  • Other features: International power supply, water resistant design.
  • KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit is sold separately.
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
  • 2-Year Limited Warranty with proof of purch....
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Atlas ZEN50 Diode Tester

  • Automatic identification of zeners, avalanche diodes, VDRs, TVS's.
  • Selectable test currents: 2mA, 5mA, 10mA and 15mA.
  • Test voltages are below levels described in the Low Voltage Directive 2006/95/EC, measures breakdown voltage (0.00V to 50.00V) with a resolution as fine as 20mV.
  • Fitted gold plated crocodile (alligator) clips..
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HQDA OWB Holster for Ruger LC9 LC9s LC380 EC9 EC9S, Tactical Outside The Waistband Hand-Gun Holsters, Index Finger Release, Right Handed (Ruger LC9 Paddle Holster)

  • Compatible with Ruger LC9 LC9s lC380 EC9 EC9s (Not fit laser or sight version). This holster can fit for Ruger LCP, Ruger Security9, SCCY CPX-1/CPX-2..
  • SECONDARY PROTECTION: QUICK RELEASE | Trigger Release Button Feature Allows Quick Draw.AUTO-LOCKING - Automatically Lock And Hold Your Pistol Safely..
  • ADJUSTABLE ANGLE: Easily rotate your Paddle angle by Allen Wrench (±30°adjustable). It means you can set carry angle from 0° to 60° to fit a comfortable position..
  • CONCEALMENT FEATURE: Unlike IWB touch with your skin directly, the belt clip holder exposes to the outside waistband. But it is thin enough to conceal under your shirt or jacket. And it is ideal for military or tactical activities..
  • DURABLE MATERIAL: Made from superior polymer, Comfort, and stability, and have good heat and scratch resistance. Maintenance easy, it only needs soap and water to clean. It had passed high and low-temperature test, spry salt test, floor drop test, and pull off the force..
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Soil pH Meter 3-in-1 Soil Test Kits with Moisture,Light and PH Tester for Garden Farm Plant Outdoor Indoor Lawn Care Water Soil Soil Hygrometer Sensor for Gardening Indoor & Outdoor Plants

  • Super value - 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS..
  • Functions - The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind :....
  • Accurate & reliable - these testers can test quickly and accurately within ±0.01 pH. It only takes a few seconds to show accurate and stable reading....
  • Easy to use - ph tester and TDS meter have sensitive electrode sensor ,simply press "ON". It only takes a few seconds for your result to appear the....
  • Widely application - these meters are designed small and convenient. PH meter and TD&EC meter can test pH balance, ideal for testing drinking water,....
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RCYAGO pH Meter 7-in-1 PH RH EC CF TDS PPM ORP Temperature Water Quality Test Meter Backlight Probe Multi-Function Wall-Mount Rechargeable Continuous Monitor Tester

  • Digital water quality tester widely used to measure the pH/RH/Conductivity EC/CF/TDS(PPM)/ORP/Temperature of water. pH meter one probe can be applied....
  • Measure 7 parameters, continuously monitoring shows readings on its large-screen triple display with green backlight. Powered by its rechargeable....
  • pH Monitor test temperature in ℃/℉(switchable unit). Proven high accuracy and Auto Temperature Compensation (ATC), comes with a removable BNC....
  • pH ORP calibration powders and EC calibration solution are included in the set. Calibrates easily and offers safer and precise measurements. Each set....
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Tactical Scorpion Gear Polymer Concealed IWB Inside Pants Holster: Fits Ruger LC9 LC9s LC380 EC9 EC9s

  • ...ters are tailor-made and also compatible for LC-380, LC9, LC9s, EC9, EC9s. Inside waistband polymer holsters for concealed carry your handgun. Please note these holsters are not fit for any attachment like laser/light accessories.Clip angle is adjustable to accommodate different draw types.
  • 【LIFETIME WARRANTY】No questions asked return policy and Lifetime Warranty. If for any reason you are not satisfied, please feel free to contact our Customer Service , we stand behind the quality of our products! The Weapon retention is adjustable so you can hear it “click” into position and you will know your weapon is safe and secure..
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Oakton - AO-35462-11 EcoTestr CTS Pocket Conductivity, Salinity, and TDS Meter

  • Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32°F~140°F), which can decrease the error caused by the change of liquid temperature..
  • Wide applications: There are various purposes for the salinity tester. This instrument can not only detect the salt content of edible salt, salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing..
  • Backlit design: There is no need to worry about seeing the displayed value if the light is insufficient. ORAPXI salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation..
  • 4-in-1 salinity tester: The multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing..
  • After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours..
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pH Meter and TDS, EC, Temperature Meter (Accuracy: pH: ±0.1, TDS: ±2-5%, EC: ±2-5%, Temp.: ±0.1°C) | for Water, Hydroponics, Aquariums, Pools & Spas, Soil, Brewing, Aquaculture, Kombucha, etc.

  • This product contains one pH meter, one TDS/EC/Temperature meter, an instruction manual, and one pack each of pH calibration buffers 4.00, 6.86, and 9.18.
  • ACCURACY – pH Meter: ±0.1 pH, TDS Meter: ±2-5% PPM, EC Meter: ±2-5% μS/cm, Thermometer: ±0.1°C (±0.2°F).
  • FAST RESULTS – Simply dip the pH or TDS meter into your test solution and stir gently until your reading has stabilized. Your pH, TDS, or EC measurement will be shown on the digital display..
  • PROPER STORAGE – To ensure accuracy, store this pH and TDS meter in a dry place at room temperature. Handle with care as the pH meter contains a glass probe..
  • LABRAT SUPPLIES’ GUARANTEE – If, for any reason, you are not satisfied with our product, please message our store through the marketplace messaging interface or respond to our day-of-delivery email and we will refund your purchase..
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