The HI 9813-6N waterproof multiparameter meter measures pH, electroconductivity (EC), and total dissolved solids (TDS), making it suitable for designed specifically for agricultural applications such as hydroponics, greenhouses, farming and nurseries. The HI 9813-6N comes with a HI 1285-6 combination probe with DIN connector and 1 m/3.3 ft. cable, a starter set of calibration and cleaning solution sachets, a check solution sachet, a 9V battery and instructions. The attached HI 1285-6 polyprolylene probe features a fiber junction and gel electrolyte.

The meter has a calibration check function (Cal-Check) to validate instrument performance and an LCD screen. If the meter is calibrated, a message will indicate “Probe is OK,” but if the meter needs cleaning the device will direct the user to “Clean Probe and Calibrate.”

The HI 9813-6N tester functions in temperatures of 0.0 to 60.0 degrees C, and has a range of pH 0.0 to 14.0 (+ or - 0.1 pH) with a resolution of 0.1 pH. For EC, the device has a range of 0.00 to 4.00 mS/cm (+ or - 2% F.S. mS/cm) and a resolution of 0.01 mS/cm. For TDS, the device has a range of 0 to 1999 ppm (mg/L) (+ or - 2% F.S. ppm) and a resolution of 1 ppm (mg/L). Dimensions are 144.6 x 79.5 x 37 mm/5.7 x 3.1 x 1.5 inches (H x W x D) with a weight of 230 g (8.1 oz.). (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 meters and testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists in aquaculture, agricultural, wine-making and water-testing and for scientific applications.

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 9813-6N meter
• HI 1285-6 combination probe with DIN connector and 1 m/3.3 ft cable
• HI 70007 pH 7.01 calibration solution (20 mL)
• HI 70442 1500 ppm (mg/L) calibration solution (20 mL)
• HI 70031 1413 µS/cm calibration solution (20 mL)
• Two HI 700521 cleaning solution sachets (20 mL)
• Carrying case
• (1) 9V battery
• Instructions

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