Does the HI701 come with reagent?

Yes, but not very many pillows. The pillows are also over sized and less convenient to use then Hach. The Hach reagent works with this unit just make sure it's the 10ml pillows.

How many ppm of free chlorine will this read up too

Range 0.00ppm - 2.50 PPM Thank you:)

Do you have to calibrate it before every single use or does one calibaration lasts a while ?

You can buy a calibration kit for this. It's cheap. It has a clear vial and a pink vial that should read 1.00 and I check it every few months to make sure its still close. Same steps as a normal residual check The steps for every time you check the chlorine residual include a 'calibration' to the clear water before adding the packet. Step one turn it on, shows C-1 Step two fill the vial with water and put it in and press the button Step three, after it says C-2, take the vial out and add the packet. Step four put it back it after a shake and press the button. Done.

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Science2Education HI-701 Hanna Instruments Free Chlorine Checker, 0.00 ppm to 2.50ppm

Product ID: 414749538

Details

Brand
Hanna
Manufacturer
Hanna
Recommended uses for product
testing water
Unit count
1 Count
pH range
0.0-14.0

📊±0.03 ppm accuracy

📱Large LCD digital display

🔋Auto shut-off for battery life

EC$867

Duties & taxes included

In stock

Sold byAmazon Saint Kitts and NevisDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of water quality with instant, precise chlorine checks!

BATTERY SMART - Auto shut-off extends battery life so your device is ready when you are.
EXCEPTIONAL VALUE - Professional-grade water testing without the professional price tag.
EFFORTLESS OPERATION - One-button testing delivers instant, easy-to-read digital results every time.
WEATHERPROOF DURABILITY - Designed to perform accurately in any environment, rain or shine.
PRECISION AT YOUR FINGERTIPS - Get chlorine readings with ±0.03 ppm accuracy for reliable water safety.

The Science2Education HI-701 Hanna Instruments Free Chlorine Checker offers professional-level accuracy (±0.03 ppm) and a user-friendly digital interface to measure free chlorine in water from 0.00 to 2.50 ppm. Its large LCD display and auto shut-off feature ensure ease of use and extended battery life, making it an essential tool for pool, spa, and drinking water quality monitoring.

Specifications

ASIN	B003IKNJMA
Best Sellers Rank	#57,700 in Electronics ( See Top 100 in Electronics ) #60 in Household Battery Testers
Brand Name	Hanna Instruments
Customer Reviews	4.4 4.4 out of 5 stars (232)
Global Trade Identification Number	00611517433696, 04016138661415
Item Weight	0.3 Kilograms
Manufacturer	Hanna Instruments
Material Type	Plastic/Metal
Model Number	HI-701
Number of Items	1
Part Number	HI 701
Recommended Uses For Product	testing water quality in pools, spas, or drinking water
Sterility Rating	0.0-14.0
UPC	611517433696
Unit Count	1 Count

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