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4.4 of 5.0 with 2,505 Reviews
SALE PRICE: $9.25
Manufacturer: Frentaly OEM
Brand: HM Digital
Color: Beige
Manufacturer: Frentaly OEM
Brand: HM Digital
Color: Beige
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Get accurate TDS measurement easily antwhere anytime
HOW TO CALIBRATE
• The meter take Virtual resistor calibration, It is convenient. In normal, it doesn't need to calibrate. If you want more accurate, you can calibrate it follow below:
• 1: You need one accurate meter as sample, and make up 342ppm NaCl solution (or you can use the TDS calibration fluid)
• 2:Pull sample meter and this meter in 342ppm NaCl solution, set this meter
• 3: Hold TEMP button 3-5 second until the record flash on the screen
• 4: TEMP button is down, and HOLD button is up, adjust the record the same as the sample meter
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TIPS
•Once the readout stabilizes(in 10 second),hold button to view out of the water
• If the tester displays a flashing "X10" icon, multiply the reading by 10
• Don't drop the entire tester in the water or dip beyond the maximum "2" level
• Tester is not meant to be used in hot water (More than 99 degrees)
• How to Clear: Press "ON/OFF" twice, clear the data for each test, if you want test continuously
Specifications:
• Measure Range: 0-9990 ppm; 0-99°C; 32-212
• Accuracy: 2% full scale, +-2℉; +-1℃
• Auto shut-off: 10 minutes
• Automatic Temperature Compensation: 0-50℃/ 122℉
• Battery: 2 X 1.5V (LR44 Included)
• Size: 156 X 30X20 mm/6 X1.2 X0.8 inch
What is included in this package?
• Package include: 1 TDS meter, 1 Instruction, 1 Mudder Package
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4.4 of 5.0 with 12 Reviews
SALE PRICE: $9.87 34% OFF
Manufacturer: LaMotte
Brand: LaMotte
Model: 2984LR
Manufacturer: LaMotte
Brand: LaMotte
Model: 2984LR
LaMotte 2984LR Insta-Test single-factor hydrogen peroxide test strips have a detection range 0 to 50ppm detection range and a sensitivity of 0, 1, 3, 10, 30, and 50ppm. The test strips do not require a reagent. The vial includes 25 test strips. LaMotte manufactures analytical reagents, portable water testing instrumentation, and microbiological testing products. The company, founded in 1919, is headquartered in Chestertown, MD.
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4.4 of 5.0 with 12 Reviews
SALE PRICE: $9.88 35% OFF
Manufacturer: AJSR
Brand: ANZESER
Manufacturer: AJSR
Brand: ANZESER
A 5 meter roll of specialist high quality pH indicator test paper that provides reliable high accurate pH readings. Housed in an easy to use plastic wheel, simply tear of a small portion of the strip for testing. The diagnostic paper is for testing acidty & alkaline levels & is ideal for a number of uses. This handy narrow range pH litmus paper roll is an economical & reliable product that can be used to discover human urine, oral saliva sample or vaginal acid alkaline pH Instructions: take a small amount of liquid with a glass rod, smear on the paper, then match your paper against the color chart that's provided on the case to determine the pH. If the paper is directly immersed in the liquid, the paper indicator is easy to dissolve in water. After diluted in water, the color display is not accurate.
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4.4 of 5.0 with 34 Reviews
SALE PRICE: $9.99 2% OFF
Manufacturer: Kendall Healthcare
Brand: Kendall Healthcare
Manufacturer: Kendall Healthcare
Brand: Kendall Healthcare
Kendallâ„¢ 530 series electrodes are designed for superior perforrmance including adult Stress, Holter and Diaphoretic applications. Utilizing a highly aggressive adhesive the Kendallâ„¢ 530 electrode is appropriaate for the most challenging of monitoring environments. The high quality foam substrate conforms easily to the skin to ensure electrical contact for consistent tracings. The patented conductive adhesive hydrogel provides additional adhesion, leaves no messy residue to clean up and is designed to stay fresh up to 30 days out of the package.
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4.4 of 5.0 with 13 Reviews
SALE PRICE: $9.99 2% OFF
Manufacturer: IWin Mall
Brand: IWIN
Manufacturer: IWin Mall
Brand: IWIN
Turn on the meter by "ON-OFF" switch, immerse the pH meter electrode in the solution to be tested, then stir gently and wait for the reading to stabilize....With this tester, a few simple steps can get the figure you want. Compact, portable pen type, and its simplicity of operation make it a must buy for you. Features: * Compact, portable pen type pH meter for testing * With measuring range from 0.0 to 14.0pH * High accuracy * Approx. 700 hours of use * One-Button operation Specifications: * Color: Yellow, black(as shown in the pictures) * Measuring range: 0.0 to 14.0pH * Resolution: 0.1 pH * Accuracy: +-0.1 pH(at 20degree/68F) * Typical EMC DEV: +-0.2pH * Temperature compensation: 0 degree to 50 degree * Battery: 4*1.5v (AG-13 button battery) * Operating temperature: 0 degree to 50 degree (32°F-122F) * Relative humidity:
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4.4 of 5.0 with 37 Reviews
SALE PRICE: $10.50 2% OFF
Manufacturer: Unico
Brand: Unico
Manufacturer: Unico
Brand: Unico
The Unico Square Cuvette Adapter (# S-1100-103) for 10 mm cuvettes (standard with instrument) is made for use with the Unico 1000 and 1100 Series Spectrophotometers. Unico Square Cuvette Adapter Literature: Unico S1100 & S1100RS Visible Spectrophotometer Parts List
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4.4 of 5.0 with 5 Reviews
SALE PRICE: $11.97 1% OFF
Manufacturer: Adafruit
Brand: Adafruit
Model: LR-ZPF4-VK6L-FBACA
Manufacturer: Adafruit
Brand: Adafruit
Model: LR-ZPF4-VK6L-FBACA
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Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter. This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a little magnet attached, and there's a hall effect magnetic sensor on the other side of the plastic tube that can measure how many spins the pinwheel has made through the plastic wall. This method allows the sensor to stay safe and dry.
The sensor comes with three wires: red (5-24VDC power), black (ground) and yellow (Hall effect pulse output). By counting the pulses from the output of the sensor, you can easily track fluid movement: each pulse is approximately 2.25 milliliters. Note this isn't a precision sensor, and the pulse rate does vary a bit depending on the flow rate, fluid pressure and sensor orientation. It will need careful calibration if better than 10% precision is required. However, its great for basic measurement tasks!
Adafruit has an example Arduino sketch that can be used to quickly test the sensor- it will calculate the approximate quantity of fluid in liters and display on an LCD or the serial monitor.
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4.4 of 5.0 with 116 Reviews
SALE PRICE: $11.99
Manufacturer: PunAid
Brand: PunaPh
Model: PunpH01
Manufacturer: PunAid
Brand: PunaPh
Model: PunpH01
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" What are pH strips pH strips are filter paper impregnated with an indicator or a mixture of indicators. The paper is dried, cut in convenient size, and then packed into a suitable package.To use pH test paper are by far the simplest way to measure pH. How to understand the results: Discover the pH of your urine or saliva with our super accurate pH test strips. Made specifically to test saliva and urine these are by far the most accurate and economical test strips on the market. pH testing strips give you the ability to test your urine or saliva each day to gauge your internal health. This enables you to adjust your diet and supplements to achieve the optimum balance for health and peace of mind. Why test with pH test strips? It is recommended to maintain a healthy pH level to get maximum energy out of the food you eat and to prevent chronic disease. Experts say a healthy person's pH level of their body fluids should be between 7.1 and 7.5. By assessing your pH with a pH Test Strip it gives an early indication if you need to change your diet. These handy pH Test Strips allow you to check on your pH level by either dipping the stick into the urine stream or saliva. With their dual pad, they are super accurate."
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4.4 of 5.0 with 29 Reviews
SALE PRICE: $11.99 30% OFF
Manufacturer: Homdox
Brand: Homdox
Model: *HY003120
Color: TDS-Blue
Manufacturer: Homdox
Brand: Homdox
Model: *HY003120
Color: TDS-Blue
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Features of Homdox TDS Meter Easy to take, handheld design, and light weight body High accuracy, Accuracy: ± 2% Easy to read LCD Screen It can work as a health helper for you. You can use it to test the TDS value of tap water,bottled water,filtered water and more. Or it can also be a work partner if you use it at your lab. Specifications: Measuring Range: 0-9990ppm Accuracy: ± 2% Batteries: 2 x 1.5V alkaline(included) Environment: 0 to 50℃(32-122°F) Size: 156 x 30 x 20mm (6 x 1.2 x 0.8inch) Net Weight: 50g Color: Blue Package Includes 1 x Homdox TDS Meter 2 x 1.5V battery(build-in) 1 x Carrying case 1 x User manual Notes Do not drop the entire tester in the water or dip beyond the maximum 2"level This product is not waterproof. Tester is not meant to be used in hot water. Get to know us We created Homdox with a single goal in mind: to make the smart life easier. That means starting with affordable, high-quality gear and ending with a commitment to 100% user satisfaction. Because, we're customers too.
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4.4 of 5.0 with 5 Reviews
SALE PRICE: $12.00 34% OFF
Manufacturer: Scientific Equipment of Houston
Brand: SEOH
Manufacturer: Scientific Equipment of Houston
Brand: SEOH
The patented pH-Fix technology stands for a high quality, color-fixed pH test strip system. For many years chemists as well as inexperienced users have appreciated pH-Fix's optimal usability, reliability, and precision. The long handle prevents fingers from coming into contact with the sample. It adds handling convenience and increases safety of operation. This allows a high standard of "workplace safety" when testing aggressive solutions. To prevent bleeding, the pH-indicator is chemically bound to the cellulose fiber. Unlike classic pH papers, pH-Fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions. Four different color blocks for each pH-value (pH-Fix 0-14) ensure highly precise pH-determination and make the application rapid and reliable.
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