Will this work for calibrating a hanna pwt meter?

Yes this is exactly what you use to calibrate and test that water conductivity meter. I have been using BioPharm's standards for a few years now in our lab and i am really pleased with their accuracy.

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Biopharm Conductivity Standards: 100 & 1413 μS, 500 mL (1.06 Pint) Each | KCl-Based Calibration Solutions For Use at 25C. NIST Traceable. Made in USA. μS Same As μMho. Compatible With All EC Meters.

Product ID: 32505340

Details

Boiling point
100 °C
Brand
Biopharm
Item Form
Solution
Manufacturer
Biopharm Inc
Percentage assay
100

⚡NIST-traceable KCl standards

📏2-pack for dual-range calibration

🌡️Calibrated precisely at 25°C

$94.88

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Description

📊 Calibrate like a pro — precision you can measure, confidence you can trust!

OPTIMIZED FOR 25 C - Calibrated at the industry-standard temperature to guarantee consistent and reproducible results every time.
UNIVERSAL COMPATIBILITY - Works seamlessly with all EC meters, making it the go-to calibration solution for professionals.
CONFIDENCE IN EVERY DROP - Avoid costly errors from dirty or worn probes by verifying linearity and accuracy with these premium standards.
NIST TRACEABLE RELIABILITY - Trust in potassium chloride solutions certified to national standards for unmatched measurement confidence.
DUAL POINT PRECISION CALIBRATION - Ensure your EC meter’s accuracy across low and high conductivity ranges with two essential standards.

Biopharm Conductivity Standards offer a convenient 2-pack of 100 and 1413 μS KCl-based calibration solutions, precisely calibrated at 25°C and NIST-traceable for guaranteed accuracy. Compatible with all EC meters, these solutions enable dual-point linearity checks to ensure reliable conductivity measurements across your typical working range.

Specifications

% Assay of Chemical(s)	100
ASIN	B0H8FG238G
Best Sellers Rank	#344,206 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #86 in Chemical Standards
Boiling Point	100 °C
Brand Name	Biopharm
Customer Reviews	4.5 4.5 out of 5 stars (60)
Included Components	One bottle each of 100 uS and 1413 uS EC standard
Item Form	Solution
Manufacturer	Biopharm Inc
Part Number	BC8214P-A
UPC	810173350235

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