อุปกรณ์วัด pH (Wine Analysis pH Benchtop Meter)

อุปกรณ์วัด pH (Wine Analysis pH Benchtop Meter)

HI 2222

Wine Analysis pH Benchtop Meter

HI 2222 is the only pH meter on the market today that allows for automatic pH calibration at pH 3 and pH 7. With the dedicated 3.00 pH buffer for wine calibration in the wine pH range, any error due to calibration will be minimized. The HI 2222’s Calibration Check™ diagnostics along with the included HI 1048P clogging resistant pH electode further enhances measurement accuracy.
This wine analysis instrument also features logging of up to 100 samples, GLP (Good Laboratory Practice) capability, and a USB interface for the transfer of data to a PC.
In the process of wine making, most pH measurements are made in the must. A pH electrode gets dirty quickly when measuring the pH of must because sediments build up on both the pH measuring bulb and pH electrode junction. This becomes a big problem during the actual pH measurement if the electrode has not been properly cleaned. A dirty pH electrode can give results that are up to 0.5 pH inaccurate — even after a pH calibration has just been performed.
Conventional pH meters do not warn the user when the pH electrode is dirty. A common example of this occurs just after calibrating the instrument — the pH electrode is immersed into the pH 7 buffer and the reading is lower than expected (pH 6.8 or 6.9 instead of 7.0). HI 2222 uses HANNA ’s unique technology to detect when the electrode is dirty and gives a warning during calibration.
It is important to properly clean the pH electrode prior to use. A proper cleaning of the electrode must be done with appropriate cleaning solutions in order to remove all the deposits on the sensitive bulb and junction. HI 70635 (wine deposits removal) and HI 70636 (wine stain removal) are tailored made cleaning solutions that remove deposits from your pH electrode to guarantee accurate calibrations for stable, repeatable measurements and long electrode life. HANNA is the only manufacturer to offer tailor made cleaning solutions for winemaking.

  • Specifications

Range  pH  -2.00 to 16.00 pH
mV  ±699.9 mV; ±2000 mV
Temperature  -20.0 to 120.0°C
Resolution  pH  0.01 pH
mV  0.1 (±699.9 mV); 1 (±2000 mV)
Temperature  0.1°C
Accuracy  pH  ±0.01 pH
mV  ±0.2 (±699.9 mV); ±1 (±2000 mV)
Temperature  ± 0.2 °C excluding probe error
Calibration Check  status of electrode condition and response time, status of the buffer solution during calibration
pH Calibration  automatic, 1 or 2 point with 7 memorized buffer values (pH 1.68, 3.00, 6.86, 7.01, 9.18, 10.01, 12.45)
Temperature Compensation  manual or automatic, -20.0 to -120.0°C (-4 to 248°F)
pH Electrode  HI 1048P glass body, BNC + pin (included)
Temperature Probe  HI 7669/2W with 1 m (3.3′) cable (included)
PC Connection  RS232 opto-isolated serial port
Data Logging  100 samples
Input Impedance  1012 Ohm
Power Supply  12 Vdc adapter (included)
Environment  0 to 50°C (32 to 122°F); RH max 95%
Dimensions  235 x 222 x 109 mm (9.2 x 8.7 x 4.3″)
Weight  1.3 kg (2.9 lb.)

  • Accessories

Electrodes
HI 1048P  pH Electrode with CPS™ for Wine
BNC + Pin Connection
Solutions
HI 7082  Electrolyte Solution, 3.5M KCl
4 x 30 mL bottle
HI 5003  Technical Buffer Solution, 3.00 pH, 500 mL bottle
HI 7007L  7.01 pH Buffer Solution
1 x 500 mL bottle
HI 70300L  Electrode Storage Solution
1 x 500 mL bottle
HI 70635L  Cleaning solution for wine deposits (500 mL)
HI 70636L  Cleaning solution for wine stains (500 mL)
Accessories
HI 76404N  Electrode Holder for HI 42xx Type Bench Meters
HI 92000  Windows® Compatible Software
HI 920013  USB Cable
Probes
HI 7662  Stainless Steel Temperature Probe

Quotation and Ordering

131 Thailand Science Park. Innovation Cluster 1 Building, Klong 1, Klong Luang, Pathumthani 12120 Thailand.Tel. +6681-847-6768, +662-191-3928 Fax +662-191-3929 Mr.Thoniwadh +6685-811-4779, Ms.Nareerat +6685-814-9653Email:info@highents.com

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131 อุทยานวิทยาศาสตร์ประเทศไทย อาคารกลุ่มนวัตกรรม 1 ต. คลองหนึ่ง อ. คลองหลวง จ. ปทุมธานี 12120โทร. 081-847-6768, 02-191-3928 แฟกซ์ 02-191-3929 คุณโทณิวัฒน์ 085-811-4779, คุณนารีรัตน์ 085-814-9653Email : info@highents.com

 

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