Digital Aid Professional pH Meter. Large Backlit LCD Screen. Range 0.00 to 14.0 pH. 3 Free Buffer Solution Powders. Plus get 6 more - see Promotion below. Accurate and Reliable.

Manufacturer: Neewer Brand: Neewer Model: 99007408@@

pH-009 IA Pen Type pH Meter Digital Tester Hydro Description: 1.100% brand new ,high quality ,excellent after-sale service 2.Pen Type Meter that can simultaneously measure & display pH and temperature results 3.The electrode has been used(laid) for long time from the last calibration 4.The electrode has been used in particularly taxing conditions 5.The utmost accuracy is required Feature: -Measuring Range: 0.0 to 14.0 pH -Resolution: 0.1 pH -Accuracy: ± 0.1 pH -Temperature Compensation: 0°C to 50°C -Batteries: 3 x 1.5V (AG-13 Button Battery) package contents: 1XDIGITAL PEN TYPE TEST PH-009(I) METER

Manufacturer: Jellas Brand: Jellas Color: 0.1 PH Meter

This pH meter is affordable and useful for those who need a pH tester for home and laboratory uses; water, swimming pools, aquariums, spas, hydroponics, food, wine and beer making and more. Features: â–ºHigh quality and durable, it's highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD diplay, reliable and quick reading. â–ºEasy to use, you just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by "ON / OFF" switch to be measured. Beats the heck out of trying to see the colors of a litmus strip. â–ºEasy to calibrate, simply follow the instructions on the provided packet of solution ~4 or ~7, drop in the meter and adjust with the provided screwdriver to dial it in. â–ºPockect size, comes with a handy storage case and dedicated screwdriver for calibrating. â–ºRemember to gently wipe it with a clean, soft cloth when you're done before capping it again. Specifications: â—�...

Manufacturer: LuckyStone Brand: LuckyStone Model: Other case

This digital pen style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage etc. All inspection qualified before shipment. Factory calibrated, it can be used immediately. Please be sure to calibrate with buffer solution before use(Long time no use). Calibration: -- Immerse the tester up to the maximum immersion level in the PH 4 or 6.86 buffer solution. (Package Includes 2 pack of PH substance which makes 250 ml buffer solutions, PH 4 or PH 6.86). -- Allow the reading to stablilize and using the small screwdriver adjust the calibration trimmer to reading 6.9

Manufacturer: HM Digital, Inc. Brand: HM Digital Model: DM-1 Color: Light Blue

Product Description: How Pure is Your Water? HM Digital's DM-1 is a dual inline monitor that measures TDS from 0 to 9990 ppm. It includes batteries, two sensors and two 1/4" quick-connect T-fittings. The DM-1 is an easy and convenient method of determining TDS levels for water filtration/purification systems such as reverse osmosis (RO), deionization (DI) and more. It's very useful for coolers or under-the-sink systems. For any type of system that removes TDS, you can install the 'IN' sensor on your tap water (before the system) and the 'OUT' sensor on your product water (after your filtration system) to determine the filter/membrane's effective operating (rejection) rate.

Manufacturer: CyberTech Brand: CyberTech Model: PH-107

This digital pen style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage etc. Please be sure to calibrate with buffer solution before use. Calibration: -- Immerse the tester up to the maximum immersion level in the PH 4 or 6.86 buffer solution. (Package Includes 2 pack of PH substance which makes 250 ml buffer solutions, PH 4 or PH 6.86). -- Allow the reading to stablilize and using the small screwdriver adjust the calibration trimmer to reading 6.9 warning: -- Keep away from Children. In case of skin contact, rinse with water.

Manufacturer: Extech Instruments Brand: Extech Model: PH100

ExStik pH tester features a flat pH sensor making it ideal for testing semisolids and surfaces. Flat surface also reduces the chance of accidental breakage of the electrode tip-perfect for rugged field use! Built-in smart chip simplifies calibration and error diagnosis. CAL alert notifies you when it is time to recalibrate ensuring accurate readings. Renew indicator tells you when it is time to replace the electrode. Built-in memory recalls up to 15 sequentially tagged readings. LCD simultaneously shows pH and temperature readings, plus an analog bar graph of pH values lets you view reading trends. Waterproof tester floats in water. Flat-surface electrode is great for semisolids, solids, and surface testing Built-in memory recalls up to 15 labeled readings. Smart chip tell you when to calibrate or replace your meter

Manufacturer: Extech Brand: Extech Instruments Model: RE300

What's Included: Flat surface ORP electrode, protective sensor cap, sample cup with cap, four 3V CR2032 button batteris and 48" (1.2 m) neckstrap. High resolution of 1 mV Measures ORP/Redox from -999 to 999 mV Automatic electronic self calibration Simulated analog bargraph displays change in ORP reading Waterproof to IP57 protects meter from wet environments

Manufacturer: Extech Brand: Extech Model: EC500

Designed and built for a wide range of applications including process and HVAC cooling towers, industrial and commercial boilers, reverse osmosis systems, pools and spas. The ExStik II pH/conductivity meter combines a rugged flat surface pH electrode with an autoranging highly accurate conductivity cell to precisely measure conductivity, TDS, salinity, pH, and temperature. It delivers seven selectable units of measure: pH, µS, mS, ppm, ppt, mg/L, and g/L. It also provides automatic temperature compensation, adjustable conductivity to TDS ratio (0.4 to 1.0), and a 0.5 salinity ratio. The unit features an analog bar graph that indicates trends, internal memory that stores up to 25 data sets, a renew feature that alerts you when the electrode needs replacement, auto power off, and a low battery indicator. It comes complete with protective sensor cap, sample cup with cap, four batteries,

Manufacturer: Hanna Instruments Brand: Hanna Instruments Model: HI98129 Color: Black

The Hanna Instruments HI 98129 is a multi-parameter tester that measures pH, electro-conductivity (EC), total dissolved solids (TDS), and temperature, and features automatic temperature compensation (ATC), an LCD screen, automatic shut-off, and a waterproof body that floats in water. The tester automatically compensates for the effects of temperature when taking pH and EC/TDS readings, so additional measurements and manual temperature entries are unnecessary. The HI 98129 meter has a replaceable pH electrode with an extendable cloth junction, and an EC/TDS graphite electrode that is resistant to salts and other corrosives. These features extend the life of the meter by allowing for replacement of the electrodes. Calibration is automatic at one or two points, with two sets of memorized buffer values (pH 4.01/7.01/10.01 or 4.01/6.86/9.18). The EC/TDS conversion factor and temperature compensation coefficient (&Beta) is user-selectable. The tester functions in temperatures of 0.0 to 60.0 degrees C/32.0 to 140...