Does this unit have auto temp. compensation (atc)?

Yes. This unit has Auto Temperature Compensation from 0 to 50˚C

How often should I change the probe?

If damaged or isnt calibrating correctly. Unsure on longevity.

Why does the tdc function change from ppm to ppt? and, how do you read this in ppm? what does 1.25 ppt mean in ppm?

1 ppt (parts per thousand) = 1,000 ppm (parts per million). 1.25ppt would be 1250 ppm.

for weekly use, How frequently does the probe need to be replaced?

As a rule of thumb, we recommend replacing the one after one year of regular use to ensure the best accuracy.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm) /Salinity (ppt) /Temp. Multi-Parameter Pocket Tester Kit

Product ID: 29729162

Details

Brand
Apera
Item Weight
4.7 ounces
Item dimensions L x W x H
7 x 1.6 x 1.6
Material
Plastic
Number of Items
1

💧5-in-1 multi-parameter sensing

📱Large dual-display LCD with backlight

🛡️IP67 waterproof & dustproof ruggedness

€ 285.52

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Master your water quality game with precision and style!

ALL IN ONE READY KIT - Comes complete with calibration solutions, batteries, lanyard, and a sleek carrying case—professional testing anywhere, anytime.
PRECISION IN EVERY DROP - Measures pH, EC, TDS, salinity, and temperature with lab-grade accuracy to empower your water quality decisions.
SMART STABILITY INDICATOR - Smiley face icon signals the perfect moment to record, eliminating guesswork and boosting measurement confidence.
BUILT TO BRAVE THE ELEMENTS - IP67 waterproof and dustproof design floats on water, ensuring durability and reliability in any environment.
CUSTOMIZABLE USER FRIENDLY - Easy menu settings, auto calibration, and self-diagnosis features tailor the experience to your workflow and prevent errors.

The APERA INSTRUMENTS AI316 PC60 is a premium 5-in-1 pocket tester that quickly and accurately measures pH, EC, TDS, salinity, and temperature. Featuring a replaceable multi-parameter probe, a large dual-display backlit LCD, and smart stability indicators, it offers professional-grade water testing for hydroponics, aquaculture, pools, and more. Its rugged IP67 waterproof design, complete calibration kit, and up to 1000 hours battery life make it the ultimate portable solution for precise water quality monitoring.

Specifications

ASIN	B01ENFOIKA
Best Sellers Rank	#11,657 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Lab Multiparameter Meters
Brand Name	Apera Instruments
Customer Reviews	4.4 4.4 out of 5 stars (1,224)
Global Trade Identification Number	00858718006094
Included Components	PC60 Premium Pocket Multiparameter Tester Kit
Item Dimensions	7 x 1.6 x 1.6 inches
Item Weight	4.7 ounces
Manufacturer	Apera Instruments
Material Type	Plastic
Model	AI316
Number of Items	1
Part Number	AI316
UPC	858718006094
Unit Count	1 Count
Warranty Description	Two-Year limited warranty for the instrument, Six-Month limited warranty for the electrode(s).

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