Why does the description not show the size lines for in and out this unit will fit?

Fittings Size (1/4" TEE fittings)In case you need a bigger size fitting 3/8" for example we carry it ,you can search the following item B00TG08TQM H2o4u

What t fittings do I need to put this inline of my 3/4” pex? I’m assuming a few different fittings.

I am sort of going from memory, but I bought the white, I think teflon, fittings that are readily available at big box stores like Home Depot and Lowes. I believe the fitting provided is 1/4" so you need a pex fitting that fits the size of you pex pipe, but the "T" piece needs a 1/4" to take the one provided. I don't remember any particular difficulties, but in fact I was attaching to 3/8 white plastic tubing, so I needed a different "T" piece from the one you require. Its all a matter of finding the right "T" piece. I took a quick look, and the pex fittings are all compression fittings, so you might have to put a plastic loop with a t piece in the middle to take this device. Lots of ways to skin a cat.

How long are the cables? And is it for 1/4" ID RO line? Your missing the basics in the description

On the unit I purchased, the cables are approximately 45" long. It includes two "T" fittings for 1/4" RO/DI lines.

is this available with 1/2'' x 1/2'' x 1/4'' tee fitting? i need the probes to go to 1/2'' tubing

You can purchase 1/2 x 1/2 x 1/4 push-in fitting tees to replace the ones that come with it. I'm doing the same thing with a DI system for my detailing business.

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Description

💧 Monitor Like a Pro — Never Miss a Drop of Quality!

BUILT FOR INDUSTRY - Rugged, water-resistant casing and quick-connect T-fittings make installation and maintenance effortless in demanding commercial environments.
STAY POWERED LONGER - Includes 2 AA batteries with an impressive 13,000-hour lifespan, minimizing downtime and maximizing productivity.
CRYSTAL CLEAR DISPLAY - Extra-large LCD screen offers easy-to-read measurements at a glance, perfect for fast-paced industrial settings.
PRECISION YOU CAN TRUST - Dual electrode probes deliver real-time TDS readings for both feed and product water, ensuring flawless water quality control.
FLEXIBLE MOUNTING OPTIONS - Variable mounting bracket adapts seamlessly to your system setup, from car washes to food processing lines.

The HM Digital DM-2 Commercial In-Line Dual TDS Monitor is a compact, industrial-grade device designed for precise measurement of total dissolved solids in feed and product water. Featuring advanced microprocessor technology, dual electrode probes, a large LCD display, and a durable water-resistant casing, it ensures reliable water quality monitoring across various commercial applications such as car washes, manufacturing, and food processing. Powered by included AA batteries with an exceptional 13,000-hour life, it offers hassle-free, continuous operation.

Specifications

Manufacturer	HM Digital
Part Number	DM-2
Product Dimensions	1.78 x 6.6 x 11.68 cm; 226.8 g
Batteries	2 AA batteries required. (included)
Item model number	DM-2
Size	4.6" 2.6" 0.7"
Colour	White
Material	Plastic
Shape	Rectangular
Wattage	3.00
Item Package Quantity	1
Display style	LCD or LED
Plug profile	Wall Mount
Special Features	Industrial Applications, Advanced Microprocessor Technology, Auto-Off Function, Water-Resistant Casing, Extra Large LCD Display, Longer Waterproof Shielded Cables, Variable Mounting Bracket, Quick-Connect T-Fittings
Usage	Commercial
Batteries included?	Yes
Batteries Required?	Yes
Average Battery Life	13000 Hours
Item Weight	227 g

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