Ohaus® ST20 Starter Pen Meter, 0.0 – 99.0°C, 0.00 – 14 pH

Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) and pH 10 (basic) are represented. The durable, easy-to-read tester is suitable for indoors or out and needs no batteries to operate. Remove from soil and clean prongs after each use to ensure the moisture meter stays in top performance shape.

This digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The R3500 features automatic temperature compensation for accurate readings and includes a built-in calibration procedure. Features: User selectable °F or °C Replaceable pH electrode module Data hold function Waterproof housing Protective cap keeps sensor moistened Low battery indicator and auto shut off Accuracy: ±0.02 pH, ±1.8°F (1°C) What's included with the REED R3500 pH Meter Protective Cap Hard Carrying Case Batteries Ideal Applications for the REED R3500 Water ...

Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 (low light) to 2000 (very strong light); accurate pH readings range between pH 3.5 and 8. The durable, easy-to-read tester is suitable for indoors or out and needs no batteries to operate. Remove from soil and clean prongs after each use to ensure the moisture meter stays in top performance shape.

Starter 300 pH Portable Kit with Case, Range 0 – 100°C;0.00 – 14.00 pH;-1999 – 1999 mV, ABS housing, wrist strap, Automatic temperature compensation, adjustable temperature coefficient, Electrode ST322(Included). Features: Applications: pH, oxidation-reduction potential (ORP) measurement Display: Liquid crystal display (LCD) Operation: 4 AAA batteries (included) Design Features: Automatic and manual temperature compensation, auto buffer recognition, calibration icon

This 0 to 55% Brix digital handheld refractometer measures the concentration percentage in almost any juice, drink, or food, such as soup, sauce, or jams. This digital refractometer provides quick and accurate % Brix measurements of dissolved sucrose in liquids with only 2-3 drops. The R9510 features a fast three-second response time and a dual LCD, which simultaneously shows % Brix and temperature. Designed to fit in the palm of your hand, the R9510 features built-in ATC, single Zero calibration, a prism cover, rechargeable Li-ion battery, and an IP54-rated housing. Features: ...