Can this be calibareted for more acidic solutions, say pH 2?

I would have thought once the device had been calibrated at 4.0ph and 8.0ph for accuracy then it should show your readings for 2.0ph +/- whatever. If I were to stick the device into a glass of tap water it would show me the exact readings for my tap water no matter how acidic or alkaline it was.

Do you get solutions with it

I got two diff solutions to help calibrate

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Description

💧 Precision pH Testing, Anywhere You Go!

SMART INTUITIVE DISPLAY - Backlit LCD with auto temperature compensation and low battery alerts keeps you informed on the go.
COMPLETE KIT FOR INSTANT USE - Includes AAA battery, lanyard, and calibration solution—start testing right out of the box.
BUILT TO LAST BUILT FOR ACTION - Waterproof and durable design ensures reliable performance in any environment.
LAB GRADE ACCURACY IN YOUR POCKET - Double junction glass probe delivers unmatched precision for acid/alkaline readings.
EFFORTLESS CALIBRATION ALWAYS READY - Easy two-point calibration with reminders keeps your measurements flawless every time.

The BluelabPENPH is a fully waterproof, pocket-sized pH meter featuring a durable double junction glass probe for superior accuracy and longevity. Designed for professionals in hydroponics, brewing, and water quality testing, it offers easy two-point calibration, auto temperature compensation, and a backlit LCD display with calibration reminders. This reliable tool comes complete with battery, lanyard, and calibration solution, backed by a 1-year warranty from New Zealand’s industry leader.

Specifications

Manufacturer	Bluelab
Part number	PENPH
Item Weight	122 g
Product Dimensions	20.32 x 5.49 x 2.49 cm; 122.47 g
Batteries	1 AAA batteries required. (included)
Item model number	PENPH
Size	Pack Of 1
Colour	White
Style	pH Pen
Material	Glass
Pattern	Single
Power source type	Battery Powered
Volume	945 Millilitres
Item Package Quantity	1
Number of Pieces	1
Special Features	Washable
Included components	PH Pen
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline

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