Will these work with the LaMotte 1200 colorometer?

These items likely will not. They are based on a dye developed specifically for the calibration curves in Hach products. It is highly unlikely that LaMotte will have the same calibration curves and ranges built into their instrument to allow accurate readings of the Gel Dye to occur.

Will this work with the dr3900?

Hello, The high range DPD Chlorine SpecChecks can be used with high range chlorine programs on the DR3900. Please note that these SpecChecks will only work with high range programs and they will not work with low range or mid range programs. The high range programs have an upper range limit of 10 mg/L. I hope you find this information helpful. Thank you for contacting Hach Technical Support Jody H

Will These items work with DR 300 test kit

Depending on which DR300 model you have, this high range set of SpecCheck standards may work. This set only works with the high range procedure. There is a DR300 model that is LR/HR and there is one that is MR/pH. These will only work with the LR/HR model, on the high range setting.

What is the expiration date? Ours have expired and looking to find the longest lasting expiration as possible

I ordered mine about 1 1/2 months ago and the expiration date on them are Feb 2019. I have both the HR and the LR standards.

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Hach SpecCheck DPD Chlorine HR Gel Standards Set, 0-6.5 mg/L Cl₂, 2893300 | Chlorine Testing, Water Quality Standards, Accurate Chlorine Measurement, Laboratory Grade Chlorine Standards

Product ID: 29812125

⏳2-year shelf life

🔬lab-grade accuracy

🧪4 precision gel standards

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Description

🧪 Elevate your chlorine testing game with lab-grade precision and zero guesswork!

DURABLE READY TO USE - Sealed glass cells with stable gels mean no prep time and reliable results every time.
CERTIFIED QUALITY ASSURANCE - Includes Certificate of Analysis for trusted, lab-grade performance.
SAFE HASSLE FREE HANDLING - Non-hazardous gels require no SDS, making your workflow smoother and safer.
WIDE TESTING RANGE COVERAGE - Accurately verify chlorine levels from 0 to 6.5 mg/L for high-range applications.
CONSISTENT CALIBRATION CONFIDENCE - Ensure your chlorine tests never miss a beat with ready-to-use gel standards.

The Hach SpecCheck DPD Chlorine HR Gel Standards Set offers four sealed gel-filled glass cells simulating chlorine test colors from 0 to 6.5 mg/L. Designed for consistent instrument calibration, these ready-to-use standards come with a Certificate of Analysis, a durable 2-year shelf life, and non-hazardous formulation, making them an essential tool for accurate, reliable high-range chlorine measurement in professional water quality testing.

Specifications

ASIN	B00N40EFR2
Best Sellers Rank	#263,985 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #362 in Analytical Reagents
Date First Available	August 28, 2014
Item Weight	0.16 ounces
Item model number	2893300
Manufacturer	HACH COMPANY

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394832CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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