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Hanna PH and Ammonia Kit for Wine HI4222A
Hanna PH and Ammonia Kit for Wine HI4222A

Hanna PH and Ammonia Kit for Wine HI4222A

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Your Price: $2,680.00
Part Number:2308
Hanna PH and Ammonia Kit for Wine HI4222A
 

The nitrogenous compounds of must and wine are derived from grapes and can be augmented with yeast nutrients. They play important roles in fermentation, clarification, and potential microbial instability of wines.

The amount of ammonium ions in must influences the rapidity of fermentation start and evolution. The ammonia concentration ranges are from 24 to 209 mg/L (ppm) in grapes and from a few mg/L (ppm) to about 50 mg/L (ppm) in wine.

The content of ammonium ions will drastically decrease during the alcoholic fermentation, then increase again, especially in red wines, at the end of the malolactic fermentation becuase the lactic bacteria release ammonia nitrogen into the wine.

The pH of wine is important to determine because it will affect the quality of the product in terms of taste, color, oxidation, chemical stability and other factors. The general rule of pH in winemaking is the higher the pH reading, the lower amount of acidity in the wine. Three important factors in determining the pH of wine include the ratio of malic acid to tartaric acid, the amount of potassium and the total amount of acid present.

 
Includes:
 
HI 4222A (115V) is supplied with HI 1131B pH electrode, HI 7662-T temperature probe, HI 4101 ammonia electrode, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 700661 electrode cleaning solution sachet (2), HI 7071S electrolyte solution (30 mL), HI 76404N electrode holder, 12 VDC adapter and instructions.
 
Specifications
 
pHRange-2.000 to 20.000 pH
pHResolution0.1 pH; 0.01 pH; 0.001 pH
pHAccuracy±0.1 pH; ±0.01 pH; ±0.002 pH ±1 LSD
mVRange ±2000 mV
mVResolution0.1 mV
mVAccuracy±0.2 mV ±1 LSD
ISERange1 x 10-6 to 9.99 x 1010 concentration
ISEResolution1; 0.1; 0.01; 0.001 concentration
ISEAccuracy±0.5% (monovalent ions); ±1% (divalent ions)
TemperatureRange -20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K
TemperatureResolution0.1°C; 0.1°F; 0.1K
TemperatureAccuracy±0.2°C; ±0.4°F; ±0.2K (without probe)
CalibrationpH automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01,9.18, 10.01, 12.45), and five custom buffers
CalibrationISEautomatic, up to five point calibration, 5 fixed standard solutions available for each measurement unit, and 5 user defined standards
pH Calibration Check™ yes
Rel. mV Offset Range ±2000 mV
Input Channel(s) 2 pH/ORP/ISE
GLP cell constant, reference temperature/coefficient, calibration points, cal time stamp
pH Temp. Compensation automatic or manual from -20.0 to 120.0°C/-4.0 to 248.0°/253 to 393K
pH Electrode HI 1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Temperature Probe HI 7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
LoggingRecord100 lots with 10,000 record/lot
LoggingIntervalsettable between 1 and max log time
LoggingTypeautomatic, log on demand, auto HOLD
Display 240 x 320 dot-matrix color LCD with on-screen help, graphing, language selection and custom configuration
PC Connection / Power Supply USB and RS232 / 12 VDC adapter (included)
Environment / Dimensions / Weight 0-50ºC (32 to 122ºF) (273 to 323K) RH max 95% non-condensing / 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”) / 1.2 Kg (1.8 lbs.)