Hanna Instruments HI 98129 Waterproof pH/Conductivity/TDS Tester

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Price: $126.53    

Product Feature

• Automatic calibration at one or two points with two sets of memorized buffer values for ease of use
• Replaceable electrodes to prolong life of meter
• Automatic temperature compensation (ATC) eliminates need for extra calculations
• Waterproof and floats in water
• Automatic shut-off to extend battery life

Product Description

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 140.0 degrees F (+ or - 0.5 degrees C/1 degree F), and has a range of pH 0.0 to 14.0 (+ or - 0.05 pH). EC range is 0 to 3999 uS/cm, TDS range is 0 to 2000 ppm (+ or - 2% F.S), with respective resolutions 1 uS/cm and 1 ppm. At 3.5 ounces and 8.3 x 2.7 x 1.3 inches (H x W x D), the HI 98129 is sized for taking measurements in the field. (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.)

pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.

What’s in the Box?

• HI 98129 meter
• Protective cap
• Electrode removal tool
• Four 1.5V batteries
• Instructions

Hanna Instruments HI 98129 Waterproof pH/Conductivity/TDS Tester Review

This is a great meter! If you are looking for PH and PPM this is it. My only suggestion is to buy all the solutions with it. You will spend close to $200 but you will have everything you will need for this. You will need to buy these 5 solutions:

Calibrating the PH sensor:
Hanna Instruments HI 7007M 7.01 pH Buffer Solution
Hanna Instruments HI 7004M 4.01 pH Buffer Solution

Calibrating PPM:
Hanna Instruments HI 7031M Conductivity Solution, 1413 uS/cm, 0.23L

Storage & Cleaning:
Hanna Instruments HI 70300M Storage Solution for pH/ORP Electrodes, 0.23L
Hanna Instruments HI 7061M Electrode Cleaning Solution

Most of the consumer Reviews tell that the "Hanna Instruments HI 98129 Waterproof pH/Conductivity/TDS Tester" are high quality item. You can read each testimony from consumers to find out cons and pros from Hanna Instruments HI 98129 Waterproof pH/Conductivity/TDS Tester ...