Question 1

Does it come with a case?

Accepted Answer

Dear Leigh,The 2100Q (P/N 2100Q01) includes four AA alkaline batteries, a carrying case with insert, primary calibration standards in 1" sealed vials (20, 100, 800 NTU), 10 NTU primary verification standard, 6 sample cells with screw-tops, instrument manual (printed and CD-ROM), quick start guide, silicone oil and oiling cloth.Let us know if you need anything elseHach

Question 2

is it accurate under 1ntu, is there a standard for under 1 ntu.

Accepted Answer

Seems to be accurate, same readings as the analytical lab we use

Question 3

Is it used for fresh water or for salt water?

Accepted Answer

The 2100Q Portable Turbidimeter can be used in both fresh water and salt water. It is most commonly used in the application of potable water testing, because its test procedure adheres to the United States Environmental Protection Agency's (USEPA) requirement that test procedures for the analysis of contaminants under its Safe Drinking Water Act (40 CFR 141) follow the method given in the Standard Methods for the Examination of Water and Wastewater, section 2130 B (Nephelometric Method). The United States Geological Survey also references this method for the determination of turbidity in high-salt and brackish waters.

Question 4

What's included: stablcal primary calibration standards in 1" sealed vials (20, 100, 800 ntu), six sample cells, 10 ntu primary verification standard

Accepted Answer

Hach catalog number 2100Q01 includes the turbidimeter, 4 AA alkaline batteries, a carrying case with insert, primary calibration standards in 1" sealed vials (20, 100, 800 NTU), a 10 NTU verification standard, 6 sample cells with screw-tops, an  instrument manual, silicone oil and an oiling cloth.

ASIN	B00N3Z3EX4
Batteries	4 AA batteries required.
Best Sellers Rank	#471,719 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #36 in Lab Turbidity Meters
Date First Available	February 20, 2014
Item Weight	3.99 pounds
Item model number	2100Q01
Manufacturer	HACH COMPANY
National Stock Number	6630-01-590-5210
Package Dimensions	16 x 10 x 8 inches

Hach 2100Q Portable Turbidimeter EPA, Water Quality Tester, 2100Q01

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