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

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 water quality metrics

📱Large dual-display LCD with backlight

🛡️IP67 waterproof & dustproof durability

1004.34 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Master your water quality like a pro—because precision is the new power.

RUGGED READY - IP67 waterproof design floats on water and resists dust, built to endure your busiest field or lab days.
ALL IN ONE PORTABLE KIT - Comes complete with calibration solutions, batteries, lanyard, and a sleek carrying case—ready to elevate your water testing game anywhere.
PRECISION IN EVERY DROP - Measures pH, EC, TDS, salinity, and temperature with lab-grade accuracy to optimize your water solutions.
CUSTOMIZABLE CALIBRATION - Supports 1-3 point auto calibration with included premixed solutions for consistent, professional-grade results.
SMART STABILITY INDICATOR - Smiley face icon signals the perfect moment to capture reliable readings—no more guesswork or wasted time.

The Apera Instruments AI316 PC60 is a premium 5-in-1 multi-parameter pocket tester that delivers fast, accurate measurements of pH, conductivity (EC), total dissolved solids (TDS), salinity, and temperature. Featuring a large dual-display LCD with backlit color modes and a smart stability indicator, it ensures professional-grade readings with minimal effort. Its replaceable probe, customizable auto calibration, and IP67 waterproof rating make it ideal for hydroponics, aquaculture, environmental monitoring, and more. The complete kit includes all necessary calibration and storage solutions, AAA batteries, and a portable carrying case, backed by a 2-year warranty for the instrument and 6 months for the probe.

Specifications

ASIN	B01ENFOIKA
Best Sellers Rank	#14,507 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Lab Multiparameter Meters
Brand Name	Apera Instruments
Customer Reviews	4.5 4.5 out of 5 stars (1,214)
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
Part Number	AI316
UPC	858718006094
Unit Count	1.0 Count
Warranty Description	Two-Year limited warranty for the instrument, Six-Month limited warranty for the electrode(s).

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1004.34 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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