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{"title":"HACH DR300 LPV445.97.40110 Portable Colorimeter for Residual Chlorine, Total","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/8a\/5aca38d3c9b727acc8890d1c07f0-200x200-1\/hach_dr300_lpv445_97_40110_portable_colorimeter_for_residual_chlorine_2c_total_chlorine_2c_chlorine_dioxide_2c_ammonia_nitrogen_2c.jpg","attrs":{"Communicationprotocol":"HART, Modbus, PROFIBUS, FOUNDATION Fieldbus","Material":"Stainless steel, Aluminum, Plastic","Delivery Time":"6-8WEEK","Outputsignal":"4-20mA, HART, Modbus, PROFIBUS"}}
{"title":"\u200c Accurate Water Quality Analyzer HACH DR900 Handheld Colorimeter IP67","imgUrl":"https:\/\/img.chinax.com\/nimg\/2e\/a8\/99f70e2fd4274c119bda39386982-200x200-1\/e2_80_8c_accurate_water_quality_analyzer_hach_dr900_handheld_colorimeter_ip67_waterproof.jpg","attrs":{"Brand Name":"HACH","Model Number":"9385100","Minimum Order Quantity":"1","Price":"699USA"}}
{"title":"HACH Total Phosphorus TNT Reagent TNT 869 Water Quality Analysis Reagent","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/ec\/572ba06d9bbe451feee76b7bddf5-200x200-1\/hach_total_phosphorus_tnt_reagent_tnt_869_water_quality_analysis_reagent.jpg","attrs":{"Brand Name":"HACH","Model Number":"TNT869","Minimum Order Quantity":"1","Price":"49.9 SUD"}}
Professional-grade water testing reagents for accurate free residual chlorine measurement in drinking water and industrial applications using DPD Method 8021.
Product Specifications
Part Number
Product Name
Method
Range (mg/L Cl₂)
Sample Volume
Compatible Instruments
Package
Tests per Package
Shelf Life
Storage Temp
Form
Notes
2105569-CN
DPD Free Chlorine Reagent Powder Pillows
DPD Method 8021
0.02-2.00
10 mL
DR300, DR3900, DR2800, DR800 Series, PCII
Powder Pillows
100
60 months
10-25°C
Solid
USEPA Approved for drinking water
14070-99
DPD Free Chlorine Reagent Powder Pillows
DPD Method 8021
0.1-10.0
10 mL
DR Series Spectrophotometers
Powder Pillows
100
60 months
10-25°C
Solid
High Range
2556900-CN
CL17 Free Chlorine Reagent Set
DPD Liquid Method 10059
0.02-2.00
N/A
CL17, CL17sc Online Analyzers
Liquid Reagent Set
30 days
2-8°C
Liquid
CL17 dedicated set
2314011
CL17 Free Chlorine Indicator Solution
DPD Method
N/A
473 mL
CL17, CL17sc
Indicator Solution
180 days
2-8°C
Liquid
For CL17 system
27450-50
Free Chlorine Test Strips
Visual Colorimetric
0-10
N/A
Visual Testing
Test Strips
50
24 months
10-25°C
Solid
Visual comparison only
2445300
Free & Total Chlorine Reagent Set (FEAS)
DPD FEAS Titration
0-3.00
N/A
Digital Titrator
Reagent Set
40-100
24 months
10-25°C
Solid+Liquid
Titration method
Key Features
Multiple testing methods including DPD, colorimetric, and titration
Compatible with various HACH instruments and visual testing
USEPA approved for drinking water applications
Available in powder pillows, liquid reagents, and test strips
Extended shelf life with proper storage conditions
Accurate measurement ranges for different application needs
Application Note: These reagents are designed for professional water quality testing in municipal drinking water systems, industrial water treatment, and environmental monitoring applications.