Can this pro be totally submerged underwater? What is the recommended depth of placement?

Yes it can be submerged. There is no recommended depth beyond simply ensuring the sensor on the tip is exposed to the test sample. The cable is 3 feet long.

Can this probe be left in contact with pool water indefinitely?

No, the chlorine is corrosive and will ruin the sensor.

will this work with chemtrol and do you offer an ORP probes

If by chemtrol you mean monitoring wall-mounted meters, then we would recommend the 201DJ-C instead. It features more durable and enduring design for long-term water testing and less likelihood of losing calibration to turbulent water as quickly as the 201-C. Yes, there is an ORP probe, the Apera 301PT-C.

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AI1301 201-C Combination pH Electrode, BNC Connector, Polycarbonate/Glass

Product ID: 452902540

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💧Detachable probe storage cap

🔬Quality glass bulb sensor

🧪Gel KCL electrolyte

Description

🔍 Elevate Your pH Game with Precision!

BUILT TO LAST - Backed by a 6-month warranty from Apera Instruments for peace of mind.
NO REFILLS NO HASSLE - Enjoy the convenience of a gel KCL electrolyte—no need for constant refilling.
LIGHTWEIGHT PORTABLE - Weighing only 0.28 g, this electrode is perfect for on-the-go professionals.
PRECISION AT YOUR FINGERTIPS - Experience the reliability of a quality glass bulb pH sensor for accurate readings.
STAY HYDRATED STAY ACCURATE - Equipped with a detachable probe storage cap to keep your sensor in peak condition.

The Apera Instruments AI1301 201-C Combination pH Electrode is a reliable and economical choice for professionals seeking accurate pH measurements. Featuring a quality glass bulb sensor, a detachable probe storage cap for hydration, and a gel KCL electrolyte that eliminates the need for refilling, this electrode is designed for convenience and durability. With a lightweight design and a 6-month warranty, it's the perfect tool for any lab or field application.

Specifications

Brand	Apera Instruments
Manufacturer	Shanghai Sanxin Instrumentation
Model number	AI1301
Number of Memory Sticks	1
Item Weight	0.28 g
Product Dimensions	24 x 6 x 4 cm; 0.28 g
Item model number	AI1301
Item Height	4 Centimeters
Item Width	6 Centimeters

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