pH metru pentru bere si must primitiv

Echipamente de proces si aparate de laborator pentru industria berii, vinului si bauturilor alcoolice » pH Metru de bere

Beverag & Oenology Processing and Testing Equipments » Beer pH Analyzer

 

Tester de pH pentru bere si must primitiv

Model HI99151

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produsul poate fi achizitionat si prin SEAP / SICAP

 

pH metru automat pentru analiza berii

Caracteristici generale

HI 99151 este un instrument specific pentru analiza berii.
Aparatul este dotat cu un electrod FC214D special conceput pentru a efectua masuratori de pH fara a deteriora esantionul.
Electrodul are incorporat un senzor de temperatura pentru compensare termica automata, jonctiune deschisa pentru a preveni obturarea iar corpul este construit din material atoxic, compatibil cu produsele alimentare.
Toate informatiile necesare sunt afisate in mod clar pe ecranul LCD.
Calibrarea se face automat in 1 sau 2 puncte, selectabile intre 2 seturi de valori tampon memorate.

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Date tehnie

Domeniu pH: -2.00 to 16.00 pH
Rezolutie pH: 0.01 pH
Acuratete pH: ±0.02 pH
Calibrare pH-ul: automata, in 1 sau 2 puncte, cu 2 seturi de valori tampon memorate
Domeniu d etemperatura: -5.0 to 105.0°C
Rezolutie temperatura: 0.1°C
Acuratete temperatur: ±0.5°C (up to 60°C); ±1.0°C (outside)
Compensare de temperatur: automata de la -5.0 la 105.0°C
Electrod/Sonda: FC214D pre-amplificat, corp din material compatibil cu produsele alimentare, senzor de temperatura incorporat, conector tip DIN si cablu de 1 m (inclus)
Tip baterie / Durata: 1.5V (3) AAA / aprox 1200 ore ooperare continua; auto-off dupa 8 minute de inactivitate
Dimensiune: 152 x 58 x 30 mm
Greutate: 205 g

Accesorii optionale

- HI7004M pH 4.01 Calibration Solution (230 mL)
- HI7006M pH 6.86 Calibration Solution (230 mL)
- HI7007M pH 7.01 Calibration Solution (230 mL)
- HI7010M pH 10.01 Calibration Solution (230 mL)
- HI7073L Cleaning Solution for Proteins (500 mL)
- HI70300L Electrode Storage Solution (500 mL)
- HI710023 Shockproof Rubber Boot (Orange)
- HI710024 Shockproof Rubber Boot (Blue)

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Beer Analysis pH Portable Meter

Main features

In the brewing process, the enzymes required to convert the starch into sugar are pH-sensitive with an optimal pH range between 5.2 pH and 5.6 pH. Different compounds are used to adjust the pH including phosphoric acid, lactic acid, and gypsum.
Wort clarity and break formation are also affected by pH. Protein coagulation occurs during wort boiling, where the optimum pH is around 4.9, even though a common boil pH is 5.2. A pH that is too high will not only inhibit coagulation but also promote browning due to the interaction of amino acids and reducing sugars.
Hop utilization during the wort boil is also affected by pH. As pH increases, the solubility of hop resins increases. Unfortunately for hop lovers, a high pH also increases the release of tannins resulting in a harsher taste. Higher pH also favors elevated microbial activity.
As a living catalyst, yeast maintains a pH around 6.5 within its cells; however, the preference is to inhabit a more acidic environment. During the fermentation stage, the pH should be lower to accommodate the yeast and also to ensure microbial stability and consistent flavoring of the beer; an optimal pH range during fermentation is between pH 4.1 and 4.3.

The HI99151 uses the FC214D amplified pH electrode with titanium body.
This specialized electrode offers numerous features that improve pH testing in beer.
An integrated temperature sensor allows for temperature compensated pH measurements without the need for a separate temperature probe. The probe’s spheric sensing tip has a wide surface area for measurement in aqueous solutions.
A typical pH electrode has a junction made of cloth material.
This cloth material can be easily clogged by samples such as mash, which has a high solids content, or wort, which is viscous.
With the cloth junction of the FC214D it is possible to clear any obstruction by simply extracting 1/8” of the junction from the electrode. This exposes a new, renewed portion.

Advantages
Waterproof - The HI99151 is a waterproof meter rated IP67 for immersion in up to one meter of water for 30 minutes.
Automatic Calibration - One or two-point calibration is automatic to two selectable buffer sets.
Automatic Temperature Compensation – An integrated temperature sensor allows for automatic temperature compensation of pH measurements.
Multi-Level LCD Display - The split-level LCD displays both pH and temperature readings, along with indicators for reading stability, battery percentage, and calibration instructions.
On-Screen Tutorial - Clear tutorial messages and directions are available on-screen to quickly and easily guide users through setup and calibration.
Battery Error Prevention System - The meter will automatically shut off if there isn’t enough power to obtain an accurate measurement. Battery Life Indicator - The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.

Technical data

pH Range: -2.00 to 16.00 pH
pH Resolution: 0.01 pH
pH Accuracy: ±0.02 pH
pH Calibration: automatic, at one or two points with two sets of buffers (standard 4.01, 7.01,10.01 or NIST 4.01, 6.86, 9.18) Temperature Range: -5.0 to 105.0°C
Temperature Resolution: 0.1°C
Temperature Accuracy: ±0.5°C (up to 60°C); ±1.0°C (outside)
Temperature Compensation: automatic from -5.0 to 105.0°C
Electrode/Probe: FC214D pre-amplified pH probe with internal temperature sensor, DIN connector and 1 m cable (included)
Battery Type/Life: 1.5V (3) AAA / approximately 1200 hours of continuous use; auto-off after 8 minutes of non-use
Environment: -5 to 50°C; RH max 100%
Dimensions: 152 x 58 x 30 mm
Weight: 205 g
Ordering Information: HI99151 is supplied with FC214D pH/temperature probe, HI70004 pH 4.01 buffer solution sachet (20 mL), HI70007 pH 7.01 buffer solution sachet (20 mL), HI700661 electrode cleaning solution sachets (2 x 20 mL), batteries, instruction manual, and hard carrying case.

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