Hanna Instruments Cal-Check Solution, 20 mL

The Hanna Instruments PEI Plastic Body pH Electrode will give anybody a chance to test pH while still being affordable.

HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50021P is for 25 sachets containing 20 mL of solution that is used to verify the calibration and functionality of the pH electrode. These sachets are for use with the Hanna HI9813-6 GroChek portable pH/TDS/EC/Temp meter, which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement.

Hanna Instruments Calibration Check Solution Specs:

• Quick check for HI9813-6 pH calibration
• Single use

HI50021P is a premium quality calibration check solution produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. It is specially formulated for use with the HI9813-6 portable pH/EC/TDS/Temp. meter. It allows the user to check the meter’s calibration status at any time by simply rinsing the probe with water and immersing it in the solution. The meter will indicate the probe’s condition.

Convenience of individual packaging

• Ideal for field use due to portability
• Every sachet is as fresh as the day it was packaged

Each sachet marked with lot number and expiration date

• Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet

Light block packaging

• Prevents any oxidation from UV light that could affect quality

Cal-Check Feature/ Clean & Cal Procedure

The unique Cal-Check feature allows the user to check the meter calibration status at any time. Simply follow the procedure outlined below for a quick assessment of the calibration status.

Cal-Check Procedure:

1. Rinse the probe with water.
2. Immerse the probe in the HI 50021 check solution.
3. Press the Check key.
4. If the meter is calibrated “Probe is OK” message is displayed.
5. Probe is ok message
6. If cleaning is needed “Clean Probe and Calibrate” message is displayed
7. Clean probe and calibrate message

Cal-Check Cleaning Procedure:

1. Immerse the probe in appropriate cleaning solution (i.e. HI700661) for 5 minutes, then rinse it with tap water.
2. Immerse again in the HI 50021 check solution and press the CHECK key. If the message “Probe is OK” is displayed, the meter does not need calibration. If the message “Clean Probe and Calibrate” is displayed then calibration must be performed.

Note: If the reading is around pH 4.0 when the probe is placed in Cal-Check solution then the probe is broken and has to be replaced.