Hanna Instruments HI99104 Educational pH Tester, 0.00 to 14.00 pH Measuring Range, +/-0.2 pH Accuracy, 0.01 pH Resolution

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Hanna Instruments HI99104 Educational pH Tester, 0.00 to 14.00 pH Measuring Range, +/-0.2 pH Accuracy, 0.01 pH Resolution

$49.99 (as of February 20, 2019, 3:30 pm) & FREE Shipping. Details

Compact pH tester with narrow probe for use in small samples or test tubes
Manual two-point calibration through trimmers for custom calibration
Single-line LCD screen for ease of viewing

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The Hanna Instruments HI 99104 is a compact pH tester with a narrow probe for use in small samples or test tubes, and has manual two-point calibration, a single-line LCD screen, a replaceable electrode, and low power demand. A pH meter is commonly used to measure the pH of substance such as water, food, beer, or wine in laboratory, industrial, and food applications. The single-line LCD screen of this meter shows the current measurement. The meter has manual temperature compensation and manual two-point calibration through trimmers on the top. Two 1.5V AA batteries provide approximately 1000 hours of use. The meter also comes with an HI 1270 pH electrode and instructions.

Specifications

pH range0.00 to 14.00 pH
pH resolution.01
pH accuracy+ or – .2
Operating temperature-5 to 50 degrees C (23 to 122 degrees F)
Operating relative humidity95 percent
Dimensions200 x 28 x 20mm/7.9 x 1.1 x 0.8 inches (H x W x D)
Meter weight without probe46g/1.6oz.

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.

A pH meter, also called a sensor or tester, is a device used to measure the acidity or alkalinity of a substance. A pH meter has either a portable or a benchtop body. Many portable meters are handheld devices. Some testers have an internal sensor, and may have a tip and body that fit inside of a container for measurement. A meter is commonly used in many different environments from laboratories to field research and manufacturing facilities. Researchers, manufacturers, and hobbyists use a pH meter in aquaculture, agricultural, wine-making, and water-testing, and for scientific applications. Some pH meters may measure additional parameters such as dissolved oxygen (DO), conductivity (also called electro-conductivity or EC), temperature, total dissolved solids (TDS), salinity, resistivity, or oxygen reduction potential (ORP)/mV.

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) standard 9001.

What’s in the Box?
  • HI 99104 pH tester
  • HI 1270 pH electrode
  • AA batteries (2)
  • Instructions

Compact pH tester with narrow probe for use in small samples or test tubes
Manual two-point calibration through trimmers for custom calibration
Single-line LCD screen for ease of viewing
Replaceable electrode with screw connector to extend meter life
Low power demand for extended battery life

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