Do I have to calibrate the replacement or does it already come calibrated?

Yes I would takes one minute and it should be good for several readings, check out you tube for the tutorial, comes with a small amount of pH 4 and pH 7 testing fluids but I would buy larger bottles of each 8 to 10 oz would be plenty for refilling test vials. This pH tester works awesome ,I bought a extra tip just in case but haven't needed to use it yet. Be careful with glass bulb when cleaning and it will last a long time. Hope this helps

The spare probe arrived without being submerged in 3M KCl, is this normal? there is some moisture but not enough to submerge it

Yes, it is a common practice to store the probe with just droplets of water for humidity. The fill line is for the 3M KCL or 4.0 calibration as a substitute. Do not fill with water that will damage the sensor over time.

The PH60 meter has a 2-year warranty so any time beyond 2 years depending on care and usage. The probe has a 6-month warranty and a typical active lifetime of 8 months to a year and a half also dependent on usage and care. Thus the replaceable platform.

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Apera Instruments, LLC-AI1201 Apera Instruments,LLC PH60-E Replacement Probe for PH60 Pocket pH Tester

Product ID: 40557220

🔋Maintenance-free gel KCl electrolyte

🧪0-14 pH measurement range

🌡️Built-in temperature sensor

2120416₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Stay sharp, stay precise — never miss a perfect pH reading!

PRECISION P H RANGE - Accurately measures from 0 to 14 pH for versatile water testing
WIDE COMPATIBILITY - Seamlessly fits PH60, PH60F, PH60S, and PC60 Pocket pH testers
DURABLE LITHIUM GLASS MEMBRANE - Robust glass bulb membrane designed for long-lasting performance
INTEGRATED TEMPERATURE SENSING - Built-in thermistor ensures temperature-compensated readings every time
MAINTENANCE FREE GEL ELECTROLYTE - Gel KCl electrolyte means no messy refills or upkeep

The Apera Instruments PH60-E replacement probe offers reliable, maintenance-free pH measurement with a 0-14 range and built-in temperature sensor. Designed for compatibility with multiple PH60 series testers, it features a durable lithium glass membrane and gel KCl electrolyte for up to 24 months of accurate water solution testing across hydroponics, aquaculture, pools, and more.

Specifications

ASIN	B01GA9EI3E
Best Sellers Rank	#71,194 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #64 in Lab pH Meters
Date First Available	May 28, 2016
Item Weight	0.847 ounces
Item model number	AI1201
Manufacturer	Apera Instruments
Product Dimensions	2.95 x 1.38 x 1.38 inches

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