Calibration Check™ pH/ORP/Temperature Benchtop Meter, 0.001 Resolution

  • pH Calibration Check™
  • On-screen electrode condition and response time
  • Up to five point calibration with seven standard buffers
  • Diagnostic alerts through icons
  • Automatic Temperature Compensation
  • GLP features
  • PC interface via USB 

What's Included:  pH electrode (HI 1131B), Stainless steel temperature probe (HI 7662), Electrode holder (HI 76404N), pH 4.01 buffer solution sachet (HI 70004), pH 7.01 buffer solution sachet (HI 70007), Cleaning solution sachet (HI 700661), Electrolyte solution, 30mL (HI 7071S), 12 VDC adapter and instructions

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HI2223-01
Calibration Check™ pH/ORP/Temperature Benchtop Meter, 0.001pH, 115V
Includes HI1131B, HI7662, HI76404N, HI70004, HI70007, HI700661, HI7071S
$600.00
$600.00
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HI1043P
Combination pH Electrode, Refillable w/ Double Junction
BNC Connection + pin
$175.00
$175.00
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HI1053P
Combination pH Electrode, Refillable w/ Conical Tip
BNC + pin Connection
$175.00
$175.00
Qty:
HI1083P
Combination pH Electrode w/ Micro Bulb
BNC + pin Connection
$300.00
$300.00
Qty:
HI1131P
Refillable, Combination pH Electrode for the Laboratory and Beer Testing
BNC + pin Connection
$120.00
$120.00
Qty:
HI1332P
pH Electrode for Chemicals, Quality Control, and Field
BNC + Pin Connection
$100.00
$100.00
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HI5004L
pH 4.01 buffer solution, 500 mL
$28.00
$28.00
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HI5007L
pH 7.01 buffer solution, 500 mL
$38.00
$38.00
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HI5010L
pH 10.01 buffer solution, 500 mL
$44.00
$44.00
Qty:
HI7061L
General Purpose Cleaning Solution 1 x 500 mL bottle
$28.00
$28.00
Qty:
HI70300L
Electrode Storage Solution 1 x 500 mL bottle
$25.00
$25.00
Qty:
Hanna Instruments Calibration Check™ pH benchtop meter, complete kit, 0.001 Resolution
  • pH Calibration Check™
  • On-screen electrode condition and response time
  • Up to five point calibration with seven standard buffers
  • Diagnostic alerts through icons
  • Automatic Temperature Compensation
  • Log up to 500 samples
  • GLP features
  • PC interface via USB

A properly manufactured and maintained pH electrode will retain its measuring integrity for a long time. As a result of many factors such as age, poor maintenance or improper handling, any electrode in time will lose its integrity.

The most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration.

A dirty electrode or wrong calibration approach can contribute to buffer solution contamination. A contaminated buffer solution can present a major problem during calibration due to the fact that it is considered the only reference.

The HI 2223 is a pH benchtop meter featuring our exclusive Calibration Check™ diagnostics for both pH?electrodes and buffer solutions during calibration. This instrument compares the characteristics of the pH electrode from one calibration to the next. In the case of large variances in the electrode condition, it alerts the user that the electrode needs to be properly cleaned prior to calibration and measuring.

The second feature is to detect if the calibration buffer solution is contaminated. After calibration, the probe condition is evaluated and an indicator is displayed informing the user of the overall pH electrode status.

This meter can measure using ORP electrodes (pH channel input), due to it’s capability to measure mV with a resolution up to 0.1 mV.

HI 2223 also features five point calibration with seven standard buffers, Automatic Temperature Compensation and GLP capabilities that allow for the storage and retrieval of all data regarding pH. With a built-in logging function, measurements are stored in non volatile memory and can be transferred to a PC through the USB port. Users can manually log up to 200 records and interval log up to 500 records.

Whats included: HI 2221-01 (115V) and HI 2221-02 (230V) and are supplied with HI 1131B pH electrode, HI 7662 temperature probe, HI 76404N electrode holder, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 700661 cleaning solution sachet, HI 7071S electrolyte solution (30 mL), 12 VDC adapter and instructions.

Range pH –2.00 to 16.00 pH; –2.000 to 16.000 pH
  mV ±999.9 mV; ±2000 mV
  Temperature – 20.0 to 120.0 °C
Resolution pH 0.01 pH; 0.001 pH
  mV 0.1mV(± 999.9mV); 1mV(± 2000mV)
  Temperature         0.1 °C
Accuracy pH ±0.01 pH; ±0.002 pH
  mV ±0.2mV(± 999.9mV);
  Temperature ± 0.2 °C (excluding probe error)
pH Calibration   Up to 5 point calibration, 7 standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
Temperature Compensation   Manual or automatic from -20 to 120°C
Temperature Probe   HI 1131P glass body, single junction, refillable with BNC connection and 1 m (3.3') Cable HI 7662 stainless steel probe
PC Connection   USB
Data Logging   500 points
Dimensions   235 x 222 x 109 mm (9.2 x 8.7 x 4.3")
Weight   1.3 kg (2.9 lb.)
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