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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APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-Body (AI1301)

APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-Body (AI1301)

Product ID: 82291024

⚡50 Ohm low impedance for ultra-fast response

🔗Universal BNC connector for seamless compatibility

🛡️Detachable sensor shield for robust membrane protection

$170

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Description

⚡ Stay ahead with precision pH sensing that never slows down!

BUILT TO LAST - Durable polycarbonate body paired with a protective sensor shield guards against accidental damage.
WIDE APPLICATION RANGE - Accurate pH measurement from 0 to 14 and temperatures up to 80°C, perfect for labs and fieldwork.
PLUG PLAY COMPATIBILITY - Standard BNC connector ensures effortless integration with all BNC-compatible pH meters.
RAPID RELIABLE READINGS - Special lithium glass membrane delivers quick, stable pH measurements every time.
MAINTENANCE FREE OPERATION - Gel KCL electrolyte design eliminates the hassle of refilling, keeping your workflow smooth.

The APERA INSTRUMENTS 201-C Combination pH Electrode features a cutting-edge lithium glass membrane and low 50 Ohm impedance for fast, stable pH readings. Its durable polycarbonate body and detachable sensor shield protect the sensitive glass membrane, while the standard BNC connector ensures broad compatibility. Designed for hassle-free use with a gel KCL electrolyte, it measures pH from 0 to 14 at temperatures up to 80°C, making it ideal for scientific research, environmental monitoring, and quality control.

Specifications

ASIN	B076BFK5WY
Best Sellers Rank	#80,292 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Lab Electrochemistry Accessories
Date First Available	October 9, 2017
Item Weight	0.01 ounces
Item model number	AI1301
Manufacturer	Apera Instruments
Product Dimensions	9.45 x 2.36 x 1.57 inches

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$170

Duties & taxes included

In stock

Sold byAmazon FijiDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Fiji.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

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