HI 4222 is a research grade pH, ORP and temperature benchtop meter. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by some pH and ISE sensors.
The customizable user interface can display two channels at the same time, showing the measurements in various modes: basic measurement with or without GLP information, graph or log history.
These instruments offer multi-language support and contextual help is available through a dedicated Help key. Clear tutorial messages and directions are available on-screen to quickly and easily guide users through all measurement and calibration procedures to ensure measurements and procedures are performed properly.
HANNA’s pH Calibration Check™ diagnostics system ensures accurate readings every time by alerting users of potential problems during the calibration process. The Calibration Check™ system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions. After the guided calibration process, an electrode condition indicator is displayed on the LCD informing the user of the overall pH electrode status.
Automatic, semiautomatic and manual pH calibration is available in up to five points, with eight standard (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45) and up to 5 custom buffers. The Out of Calibration Range and Cal Due features alert the user in the event the measurement is far from the calibration point or when the meter is due for recalibration. Proper, scheduled calibrations are crucial for accurate and repeatable measurements.
This instrument also features up to five point Manual Selection and Custom Standard ISE calibration. From the on-screen list, users can select their ISE electrode parameter along with it’s standard configuration profile or create their own.
Up to a four point automatic or custom standard conductivity calibration can be performed in up to four points as well as probe cell constant
Up to 10 profiles can be saved and recalled, eliminating the need to reconfigure each time when a different electrode is used. User definable configurations can include: temperature compensation in accordance with each parameter, ISO-potential points for pH and ISE, measurement units of ISE concentrations and ISE electrode type, temperature units. Three selectable logging modes are available: Automatic, Manual and AutoHold logging. Up to 100 logging lots can be stored for automatic or manual modes along with up to 200 USP reports, and up to 100 ISE methods reports. Automatic logging features a selectable area and sampling period while GLP information includes complete data about user calibration of each parameter and identification information for the instrument, user, and company. Data can be transferred to a PC via the opto-isolated PC interface via the RS232 or USB ports and HI 92000 software (optional).
HI 4222-01 (115V) and HI 4222-02 (230V) are supplied with HI 1131B pH electrode, HI 7662-T temperature probe, 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.
|pH||Range||-2.000 to 20.000 pH|
|Resolution||0.1 pH; 0.01 pH; 0.001 pH|
|Accuracy||±0.1 pH; ±0.01 pH; ±0.002 pH ±1 LSD|
|Accuracy||±0.2 mV ±1 LSD|
|ISE||Range||1 x 10-6 to 9.99 x 1010 concentration|
|Resolution||1; 0.1; 0.01; 0.001 concentration|
|Accuracy||±0.5% (monovalent ions); ±1% (divalent ions)|
|Temperature||Range||-20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K|
|Resolution||0.1°C; 0.1°F; 0.1K|
|Accuracy||±0.2°C; ±0.4°F; ±0.2K (without probe)|
|Calibration||pH||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|
|ISE||automatic, 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)|
|Logging||Record||100 lots with 10,000 record/lot|
|Interval||settable between 1 and max log time|
|Type||automatic, 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||0-50?C (32 to 122?F) (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.)|
Hanna Instruments products are manufactured in our ISO 9001 facilities, meeting the highest quality standards in the industry. Hanna's high standards also apply should a product be returned due to defects in material or workmanship. Our extensive warranty extends up to three years on some products. Limitations: Warranted products may be returned for repair or replacement only at the discretion of Hanna Instruments. In some circumstances, remedy may constitute refund for the price paid for the product.
The warranty period commences from the original date of sale to the user or a maximum of 18 months from factory ship date. Warranty is valid only when the product is used under normal conditions and in accordance with operating limitations and prescribed maintenance procedures. The express warranty stated previously is the only express warranty given by Hanna to the end-user buyer. Hanna expressly disclaims any warranties implied by law, including but not limited to warranty of merchantability of fitness for a particular purpose. Hanna shall not be liable for any individual or consequential damages of any kind for breach of any warranty, negligence, on the basis of strict liability or otherwise. Hanna's warranty periods are:
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