Colorimetry

S I N G L E A N D M U LT I PA R A M E T E R C O L O R I M E T E R S

For Water & Wastewater Analysis

Parameters
Aluminium Ammonia Ammonium Chlorine COD Copper DEHA Iron Monochloramine Manganese Molybdate Hydrazine Nitrate Nitrite Nitrogen pH Phosphate Silica Sulfate

Table of Contents
2-3 4-5 6-7 8-9 Single Parameter Colorimeters Multiparameter Colorimeters Colorimeters Reagents Ordering Information

Applications, Capabilities, & Solutions

colorimeters
Welcome
YSI is pleased to provide our new single and multiparameter colorimeters, thermal reactors and a complete line of reagents for water analysis. This line of products broadens YSIs offering to include numerous EPA approved methods for water and wastewater. The new YSI lab/field colorimeters are rugged and waterproof. The multiparameter pHotoFlex is offered in two models, one for 85+ parameters, and the other for 135 parameters and a connection for a pH probe. Both models are available in complete kits. Two single-parameter colorimeters are also available; Model 900 for free and total chlorine and the Model 910 for COD. The instruments feature a long battery life for 5,000 tests, data logging capabilities (up to 16 points) and the ability to export data using the 900 Series Data Hub with infrared data transfer. A complete new line of EPA compliant powder packs and liquid reagents for water analysis are also available. These reagents can be used with the new YSI colorimeters or with other competitive brands of colorimeters. Compare and you will agree that this exciting new product line provides significant value. Thank you for your interest in YSI and for reviewing our catalog. We encourage you to contact us with any questions, concerns, and comments.

Tim Grooms Director, Water Quality Products

1

Single Parameter

Colorimeters
The 900 Chlorine colorimeter is the simplest, easiest way to gather accurate chlorine data.
Quickly, easily and accurately measure Free and Total Chlorine Automatic Data Storage; 16-data sets with date and time stamp. Export data with the 900 Series Data Hub infrared data transfer. Large, easy to read backlit LCD display IP68 waterproof case; easy to hold or set on a benchtop Innovative light shield avoids moving parts or separate pieces that can easily be broken or lost. User-calibration to any government or organizational standard (for example N.I.S.T. or ISO). Resolution can be changed for specific range requirements 2-year warranty Includes 100 each Free and Total Chlorine powder packs

900 Chlorine
Ideal solution for quick, simple, accurate chlorine measurements

The 910 instrument features a large, backlit display, a real time clock, automatic data logging as well as the ability to export data to a computer or printer using the 900 Series Data Hub for infrared data transfer.
Quickly, easily and accurately measure COD Easy to open and easy to handle powder packs IP68 waterproof case; easy to hold or set on a benchtop Factory calibrated; User-calibration possible 2-year warranty Hg free reagents also available

910 COD
Ideal solution for simple, accurate COD measurements

YSI offers a used COD vial program to properly dispose of empty vials. Contact YSI for more information.

Data Hub for infrared data transfer 2

900 Chlorine Colorimeter Technical Specifications Chlorine Free Range 0.02 to 2.0 mg/L Method DPD - Free Chlorine Reagent 530 0.1 to 8.0 mg/L 530 Method DPD - Total Chlorine Reagent

Chlorine Total Range

910 COD Colorimeter Technical Specifications COD Low Range COD Mid Range COD High Range Range Method Range Method Range Method 0 to 150 mg/L Dichromate/H2SO4 0 to 1,500 mg/L Dichromate/H2SO4 610 0 to 15,000 mg/L Dichromate/H2SO4 610

430

Thermoreactors
YSI has 3 thermoreactor models available for COD testing.

900 Chlorine Colorimeter and 910 COD Colorimeter General Specifications Power Supply Auto Shutoff Operating Range Display Memory Capacity Weight Dimensions Interfaces Operation Certifications Vial Size Colorimetric Resolution Photometric Accuracy* Wavelength Accuracy Warranty Optics 4 alkaline AAA batteries; approximately 17 continuous hours or 5,000 tests 20 minutes after last key press; audible signal 5 to 40C (41 to 104F); 30-90% relative humidity Backlit LCD 16 data sets with date and time stamp; automatic 260 g (0.5 lbs) 15.9 L x 7.6 W x 3.8 H cm (6.1 L x 3 W x 1.5 H in) Infrared interface with the 900 Series Data Hub (optional) for data transfer Acid/solvent resistant case; touch-sensitive keypad with audible feedback; factory calibrated; user calibration possible; reset to factory cal CE; IP68 waterproof rating (1 hour at 0.1 meter); floats COD 16 mm; Free Chlorine 10 mm or 24 mm 0.01 A (absorbance) 3% FS (T = 20 to 25C) (68 to 77F) 1 nm 2 year LEDs, interference filter (IF) and photo sensor in a transparent chamber. 1 interference filter Wavelength Range: 530 nm IF = 5 nm LEDs, 2 interference filters (IF) and photo sensor in a transparent chamber. IF range dependent. Wavelength Range: 430 nm IF = 5 nm for range 0 to 150 mg/L 610 nm IF = 5 nm for range 0 to 1,500 mg/L and 0 to 15,000 mg/L

910 Colorimeter Only 900 Chlorine Colorimeter Only

* Measured with standard solution

Multiparameter

Colorimeters
YSI pHotoFlex Colorimeters Portable Colorimeters for Lab and Field

pHotoFlex STD
Ideal solution for quick, simple, accurate colorimeter measurements for approximately 85 tests

These rugged, waterproof, multiparameter colorimeters are ideal for laboratory and field testing. The instruments feature a large, backlit display, waterproof rating, data logging with the ability to export data to a computer using LSdata software, user-defined programs and a 2-year warranty.
Calibration adjustment for selected methods Data storage; 100 data sets with pHotoFlex STD and 1,000 data sets with pHotoFlex pH Large, easy to read backlit LCD display IP67 waterproof case; easy to hold or set on a benchtop (lab station also available) Flexible, fixed adapter for various cell types features a flip design to accomodate a variety of heights and diameters; it is also attached to prevent it from being lost ~138 tests (pHotoFlex pH); 85 tests (pHotoFlex STD) PC connectivity to manage data (optional LSdata software) and update firmware or methods; barcode compatibility pHotoFlex pH offers a BNC connection in order to take pH measurements directly and to measure the pH dependent parameter NH3 Compatible with other manufacturers chemistries/reagents

The pHotoFlex pH colorimeter allows for the connection of an external pH sensor. Not only does this allow for pH measurements but also a true ammonia reading directly compensating for accurate pH and temperature readings. No other colorimeter has this capability.
pHotoFlex pH
Ideal solution for quick, simple, accurate colorimeter measurements for approximately 135 tests

pHotoFlex pH/SET or STD/SET

comes with the pHotoFlex pH or STD colorimeter and a convenient kit including: field case with field tray, vials, pH electrode (with pH/SET), 2 each 10 mL and 2 mL syringe, empty cuvettes 16+28 mm, cleaning tissues, stand, 2 empty buffer bottles, beaker, screw driver, PC-software LSdata, and RS232 PC cable

pH Measurement Calibration Interval/Record Special Methods with pH and Temp User-Defined Programs via LSdata Software Number of Tests Memory Rechargeable Batteries (optional) with Universal Plug* Calibration Adjustment for Selected Programs Kits Avialable Data Identification PC Connectivity Method/Firmware Update via Web Lab Station (rechargeable battery/LSdata/ universal AC charger) Dimensions Weight Vial size Battery Certifications Temperature Operating Storage Warranty * Order separately or included with the Lab Station 5

pHotoFlex STD No No No Yes; 50 85 (35 predefined; 50 user-defined) Yes; 100 data sets Yes; requires Lab Station Both pHotoFlex STD and pHotoFlex pH Yes Yes Yes; numeric RS232 Yes Optional

pHotoFlex pH Yes; BNC connection Yes Yes Yes; 100 138 (38 predefined; 100 user-defined) Yes; 1000 data sets Yes

117 x 86 x 236 mm H x W x L (4.6 x 3.4 x 9.3 in H x W x L) 0.6 kg (1.3 lbs) 16 mm or 28 mm 4 x 1.5 V, AA; ~3000 measurements CE, ETLus, cETL, IP67 waterproof 0 to 50C (32 to 122F) -25 to 65C (-13 to 149F) 2 years

pHotoFlex Colorimeters Reagents

Item Part # Aluminum Al-1 TP Ammonium NH4-1 TP Ammonium NH4-2 TC (LR) Ammonium NH4-3 TC (HR) Chlorine Cl2-1 TP Chlorine Cl2-2 TP Chlorine Cl2-3 TP Chlorine Cl2-4 TP Chlorine Cl2T1 TT (LR) Chlorine Cl2T2 TT (LR) Chlorine Cl2T3 TT (HR) Chlorine Cl2T4 TT (HR) COD1 TC (LR) COD1-F TC (LR) COD2 TC (MR) COD2-F TC (MR) COD3 TC (HR) COD3-F TC (HR) Copper Cu-1 TP DEHA1 TP Iron Fe-1 TP Iron Fe-2 TP 251400Y 251408Y 251997Y 251998Y 251401Y 251414Y 251600Y 251601Y 251602Y 251603Y 251990Y 251991Y 251992Y 251403Y EPA Approved Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Description Powder, pack of 100 Nitrogen, Ammonia, powder, pack of 100 Nitrogen, Ammonia Low Range, vial, pack of 50 Nitrogen, Ammonia High Range, vial, pack of 50 DPD, Chlorine, Free, powder, 10 mL, pack of 100 DPD, Chlorine, Free, powder, 20 mL, pack of 100 DPD, Chlorine, Total, powder, 10 mL, pack of 100 DPD, Chlorine, Total, powder, 25 mL, pack of 100 DPD, Chlorine, Free, No.1 Low Range, tablet, pack of 100 DPD, Chlorine, Free, No. 3 Low Range, tablet, pack of 100 DPD, Chlorine, Free, No.1 High Range, tablet, pack of 100 DPD, Chlorine, Free, No. 3 High Range, tablet, pack of 100 COD Low Range, vial, pack of 25 COD Low Range, Hg free, vial, pack of 25 COD Mid Range, vial, pack of 25 COD Mid Range, Hg free, vial, pack of 25 COD High Range, vial, pack of 25 COD High Range, Hg free, vial, pack of 25 Copper, Powder, pack of 100 Oxygen Scavenger DEHA1, powder, pack of 100 Iron, Total, Low Range, powder, pack of 100 Iron, Total, powder, pack of 100 Monochloramine, Ammonia Free, powder, pack of 100; and 4 mL reagent for 40-80 free ammonia tests Manganese High Range, powder, pack of 100 Rochelle salt, liquid, 30 mL 300 mg/L CaCO3 hardness Rochelle salt, liquid, 500 mL 300 mg/L CaCO3 hardness Manganese Low Range, powder, pack of 50 Molybdate, powder, 10 mL, pack of 100 Molybdate, powder, 25 mL, pack of 100 Hydrazine, 100 mL for 50 tests Vial, pack of 50 for 25 tests Low Range, powder, 10 mL, pack of 100 Range 0.002 to 0.250 mg/L 0.01 to 0.50 mg/L NH4-N; 0.01to 0.64 NH4; NH3-N 0.02 to 2.50 mg/L NH4-N; 0.03 to 3.20 mg/L NH4 0.4 to 50.0 mg/L NH4-N; 0.5 to 64.4 mg/L NH4; NH3-N 0.02 to 2.00 mg/L 0.5 to 5.0 mg/L 0.02 to 2.00 mg/L 0.5 to 5.0 mg/L 0.01 to 6.0 mg/L 0.11 to 6.0 mg/L 0.1 to 10 mg/L 0.1 to 10 mg/L 3 to 150 mg/L CSB (148C / 298F, 2 hrs) 0 to 150 mg/L 20 to 1,500 mg/L CSB (148C / 298F, 2 hrs) 0 to 1,500 mg/L 200 to 15,000 mg/L CSB (148C / 298F, 2 hrs) 0 to 15,000 mg/L 0.5 to 12.00 mg/L 0.004 to 0.450 mg/L 0.012 to 1.800 mg/L 0.02 to 3.00 mg/L 0.04 to 4.50 mg/L 0.2 to 20.0 mg/L Used with LR (251417Y) Manganese if sample has Used with LR (251417Y) Manganese if sample has 0.007 to 0.700 mg/L 0.3 to 35.0 mg/L 0.3 to 40.0 mg/L 0.004 to 0.600 mg/L 0.2 to 30.0 mg/L NO3-N; 1.0 to 133.0 mg/L NO3 0.002 to 0.300 mg/L NO2-N; 0.007 to 0.985 mg/L NO2 0.03 to 0.60 mg/L NO2-N (LR); 0.10 to 1.97 mg/L NO2 0.30 to 3.00 mg/L NO2-N (HR); 0.99 to 9.85 mg/L NO2 0.002 to 0.300 mg/L NO2-N; 0.007 to 0.985 mg/L NO2 0.5 to 25.0 mg/L (Digestion 120C / 248F, 30 min) 10 to 150 mg/L (Digestion 120C / 248F, 30 min) 0.007 to 0.800 mg/L PO4-P; 0.02 to 2.45 mg/L PO4 0.06 to 5 mg/L PO4; 0.02 to 1.63 mg/L PO4-P 0.06 to 3.4 mg/L PO4; 0.02 to 1.141 mg/L (Digestion 100C / 212F) 0.06 to 3.5 mg/L PO4; 0.02 to 1.141 mg/L (Digestion 100C / 212F) 0.01 to 1.6 mg/L SiO2; 0.005 to 0.748 Si 0.7 to 70.0 mg/L SiO2; 0.3 to 3.27 mg/L Si w/ 28 mm cell; 1 to 75 mg/L SiO2; 0.5 to 35.1 mg/L Si 0 to 70 mg/L SO4 2 to 70 mg/L SO4 6

251402Y 251415Y

251986Y 251985Y 251984Y 251421Y 251404Y 251405Y Yes

MCA-1 TP 251419Y Manganese Mn-1 TP Manganese Mn-2 A1 Manganese Mn-2 A2 Manganese Mn-2 TP Molybdate Mo-1 TP Molybdate Mo-2 TP N2H41 TR Nitrate NO3-1 TC Nitrite NO2-1 TP 251406Y 251417A1 251417A2 251417Y 251407Y 251418Y 251416Y 251993Y 251409Y

Nitrite NO2-2 TC 251994Y Vial, pack of 24 Nitrite NO2-3 TP Nitrogen Ntot1 TC (LR) Nitrogen Ntot2 TC (HR) Phosphate PO4-1 TP Phosphate PO4-2 TP 251420Y 251995Y 251996Y 251410Y 251989Y Yes Yes L R, powder, 25 mL, pack of 100 Nitrogen L R, Total, vial, pack of 50 for 25 tests Nitrogen H R, Total, vial, pack of 50 for 25 tests Phosphate (Orthophosphate), powder, pack of 100 Phosphate Reactive (Orthophosphate), vial, pack of 100

Phosphate PO4-3 TC 251988Y Yes Phosphorus, Total, vial, pack of 50 Phosphate PO4-4 TC 251987Y Yes Phosphorus, Acid hydrolyzable, vial, pack of 50 Silica Si-1 TP (LR) 251411Y Silica Low Range, powder, pack of 100 Silica High Range, powder, pack of 100 1 to 100 mg/L SiO2; 0.5 to 46.7 mg/L Si w/ 16 mm cell Silica Ultra High Range, powder, pack of 100 Sulfate, powder, 10 mL, pack of 100 Sulfate, powder, 25 mL, pack of 100 Silica Si-2 TP (HR) 251412Y Yes Silica Si-3 TP Sulfate SO4-1 TP Sulfate SO4-2 TP 251422Y 251413Y Yes 251423Y

Additional Chlorine, along with Potassium iodide and Sulfamic acid for other manufacturers colorimeters also available. Contact us to learn more.

pHotoFlex Colorimeters Reagents

Item Aluminum Al-1 RP1 Aluminum Al-1 RP2 Aluminum Al-1 RP3 Ammonium NH4-1 RP1 Ammonium NH4-1 RP2 Ammonium NH4-2 RP1 Ammonium NH4-2 RP2 DEHA1 RP1 DEHA1 RP2 MCA-1 RP1 MCA-1 RP2 Manganese Mn-1 RP1 Manganese Mn-1 RP2 Manganese Mn-2 RP1 Manganese Mn-2 RP2 Manganese Mn-2 RP3 Manganese Mn-2 RP4 Manganese Mn-2 RP5 Manganese Mn-2 RP6 Manganese Mn-2 RP7 Molybdate Mo-1 RP1 Molybdate Mo-1 RP2 Molybdate Mo-1 RP3 Molybdate Mo-2 RP1 Molybdate Mo-2 RP2 Molybdate Mo-2 RP3 Nitrogen Ntot-2 RP1 Phosphate PO4-4 RP1 Phosphate PO4-4 RP2 Phosphate PO4-4 RP3 Phosphate PO4-4 RP4 Silica Si-1 RP1 Silica Si-1 RP2 Silica Si-1 RP3 Silica Si-2 RP1 Silica Si-2 RP2 Silica Si-2 RP3 Silica Si-3 RP1 Silica Si-3 RP2 Silica Si-3 RP3 Item Chlorine Cl2-1 TP Chlorine Cl2-2 TP Chlorine Cl2-3 TP Chlorine Cl2-4 TP COD1 TC (LR) COD2 TC (MR) COD3 TC (HR) Iron Fe-2 TP Phosphate PO4-1 TP 7 Part # (replacement packs) 251400RP1Y 251400RP2Y 251400RP3Y 251408RP1Y 251408RP2Y 251997RP1Y 251997RP2Y 251421RP1Y 251421RP2Y 251419RP1Y 251419RP2Y 251406RP1Y 251406RP2Y 251417RP1Y 251417RP2Y 251417RP3Y 251417RP4Y 251417RP5Y 251417RP6Y 251417RP7Y 251407RP1Y 251407RP2Y 251407RP3Y 251418RP1Y 251418RP2Y 251418RP3Y 251996RP2Y 251987RP1Y 251987RP2Y 251987RP3Y 251987RP4Y 251411RP1Y 251411RP2Y 251411RP3Y 251412RP1Y 251412RP2Y 251412RP3Y 251422RP1Y 251422RP2Y 251422RP3Y Part # (large packs) 251401LP1Y 251402LP1Y 251414LP1Y 251415LP1Y 251990LPY 251991LPY 251992LPY 251405LPY 251410LPY Description ECR, powder, pack of 100; part of set 251400Y Hexamethylenetetramine buffer, powder, pack of 100; part of aluminum 251400Y ECR masking, solution, 25 mL; part of set 251400Y Ammonia, powder, 10 mL, pack of 100t Ammonia salicylate, powder, 10 mL, pack of 100 Ammonia cyanurate, powder, 5 mL, pack of 50 for 25 tests Ammonia salicylate, powder, 5 mL, pack of 50 for 25 tests Oxygen Scavenger DEHA1, powder, pack of 100 Oxygen Scavenger DEHA1, liquid, 100 mL for approximately 400 tests Monochloramine, Free, powder, pack of 100; part of Ammonia 251419Y Free Ammonia, solution, 4 mL for 40+ tests; part of set 251419Y Manganese citrate buffer, powder, 10 mL, pack of 100 Sodium periodate, powder, 10 mL, pack of 100 Alkaline-cyanide, liquid, for 50 tests; used with LR Managanese if sample has 300 mg/L CaCO3 Ascorbic acid, powder, pack of 100 PAN indicator, liquid, 0.1%, 60 mL Alkaline-cyanide, liquid, 100 mL Alkaline-cyanide, liquid, 500 mL PAN indicator, liquid, 0.1%, 100 mL PAN indicator, liquid, 0.1%, 500 mL Molybdate High Range 1, powder, 10 mL, pack of 100 Molybdate High Range 2, powder, 10 mL, pack of 100 Molybdate High Range 3, powder, 10 mL, pack of 100 Molybdate High Range 1, powder, 25 mL, pack of 100 Molybdate High Range 2, powder, 25 mL, pack of 100 Molybdate High Range 3, powder, 25 mL, pack of 100 Nitrogen, Total, Persulfate, powder, 10 mL, pack of 50 Phosphate 3, powder, 10 mL, pack of 50 Potassium persulfate, powder, pack of 50 Sodium hydroxide, liquid, 1.54 N, 100 mL for 50 tests Sodium hydroxide, liquid, 1.00 N, 100 mL for 50 tests Amino acid F, powder, 10 mL, pack of 100 Citric acid, powder, 10 mL, pack of 100 Molybdate 3, liquid, 50 mL High Range acid, powder, 10 mL, pack of 100 High Range citric acid, powder, 10 mL, pack of 100 High Range molybdate, powder, 10 mL, pack of 100 High Range acid, powder, 25 mL, pack of 100 High Range citric acid, powder, 25 mL, pack of 100 High Range molybdate, powder, 25 mL, pack of 100 Description DPD, Chlorine, Free, powder, 10 mL, pack of 1000 DPD, Chlorine, Free, powder, 25 mL, pack of 1000 DPD, Chlorine, Total, powder, 10 mL, pack of 1000 DPD, Chlorine, Total, powder, 25 mL, pack of 1000 Low Range, vial, pack of 150 Mid Range, vial, pack of 150 High Range, vial, pack of 150 Iron, Total, powder, pack of 1000 Phosphate (Orthophosphate), powder, pack of 1000

YSI powder packs

37% larger than other brands; easy to handle pre-tear notch to easily open; no scissors or teeth needed! angled corners prevent powder from remaining in the packs and helps improve consistency 5-year shelf life

900 Chlorine Colorimeter Ordering Information (order items separately) 250900Y 251401Y 251401LP1Y 251402Y 251402LP1Y 251398Y 251398LPY 251414Y 251414LP1Y 251415Y 251415LP1Y 251397Y 251397LPY 251399Y 200900Y 251392Y Model 900 colorimeter for Free or Total Chlorine; includes 100 powder packs of both Free & Total Chlorine Chlorine, Free reagent, powder, 10 mL, pack of 100 Chlorine, Free reagent, powder,10 mL, pack of 1000 Chlorine, Free reagent, powder, 25 mL, pack of 100 Chlorine, Free reagent, powder, 25 mL, pack of 1000 Chlorine, Free reagent, powder, 5 mL, pack of 100 Chlorine, Free reagent, powder, 5 mL, pack of 1000 Chlorine, Total reagent, powder, 10 mL, pack of 100 Chlorine, Total reagent, powder, 10 mL, pack of 1000 Chlorine, Total reagent, powder, 25 mL, pack of 100 Chlorine, Total reagent, powder, 25 mL, pack of 1000 Chlorine, Total reagent, powder, 5 mL, pack of 100 Chlorine, Total reagent, powder, 5 mL, pack of 1000 Secondary Reference Standard; pack of 3 900 Series Data Hub for Infrared Data Transfer Primary Standard, 100 mL 0.02 to 2.00 mg/L 0.02 to 2.00 mg/L 0.5 to 5.0 mg/L 0.5 to 5.0 mg/L 0 to 3.5 mg/L 0 to 3.5 mg/L 0.02 to 2.00 mg/L 0.02 to 2.00 mg/L 0.5 to 5.0 mg/L 0.5 to 5.0 mg/L 0 to 3.5 mg/L 0 to 3.5 mg/L 0.0, 0.20 and 1.0 mg/L 1.5 mg/L

910 COD Colorimeter Ordering Information (order items separately) 250910Y 251990Y 251990LPY 251991Y 251991LPY 251992Y 251992LPY 251984Y 251985Y 251986Y 1P21-2Y 1P22-2Y 1P23-2Y 200900Y Model 910 colorimeter for COD COD, Low Range, vials, pack of 25 COD, Low Range, vials, pack of 150 COD, Mid Range, vial, pack of 25 COD, Mid Range, vials, pack of 150 COD, High Range, vials, pack of 25 COD, High Range, vials, pack of 150 COD, High Range Plus, vials, Hg Free, pack of 25 COD, High Range, vials, Hg Free, pack of 25 COD, Low Range, vials, Hg Free, pack of 25 0 to 150 mg/L 0 to 150 mg/L 0 to 1,500 mg/L 0 to 1,500 mg/L 0 to 15,000 mg/L 0 to 15,000 mg/L 0 to 15,000 mg/L 0 to 1,500 mg/L 0 to 150 mg/L

Thermoreactor for COD and thermal digestions; up to 12 vials; 3 reactor temperatures and 8 fixed programs; 115 V Thermoreactor for COD and thermal digestions; up to 24 reaction vials; selectable temperatures and 8 fixed/8 user defined programs; 115 V Thermoreactor for COD and thermal digestions; 2 x 12 reaction vials; selectable temperatures and 8 fixed/8 user defined programs; 115 V 900 Series Data Hub for Infrared Data Transfer

pHotoFlex Colorimeters Ordering Information 251105Y 251100Y 251200Y 251205Y 1P21-2Y 1P22-2Y 1P23-2Y 199163Y 251301Y 103637Y 251306Y 251300Y pHotoFlex STD - LED colorimeter with 6 wavelengths, 50 user-defined methods plus 35 predefined tests and 100 data set memory pHotoFlex pH - LED filter colorimeter with 6 wavelengths, 100 user-defined methods plus 38 predefined tests with BNC connector for pH electrode and 1,000 data set memory pHotoFlex pH/SET - LED filter colorimeter with 6 wavelengths, 100 user-defined methods with BNC connector for pH electrode and 1,000 data set memory; SET also includes field case with field tray, stand and vials, pH electrode, 2 each 10 mL and 2 mL syringe, empty cuvettes 16+28 mm, cleaning tissues, stand, 2 empty buffer bottles, beaker, screw driver, PC-software LSdata, and RS232 PC cable. pHotoFlex STD/SET - LED colorimeter with 6 wavelengths, 50 user-defined methods and 100 data set memory; SET also includes field case with field tray, stand and vials, 2 each 10 mL and 2 mL syringe, empty cuvettes 16+28 mm, cleaning tissues, stand, 2 empty buffer bottles, beaker, screw driver, PC-software LSdata, and RS232 PC cable. CR2200 Thermoreactor for COD/thermal digestions for up to 12 test tubes, 3 reactor temperatures and 8 fixed programs; 115 V CR3200 Thermoreactor for COD/thermal digestions for up to 24 reaction cuvettes, selectable temperatures and 8 user-defined/8 fixed programs; 115 V CR4200 Thermoreactor for COD/thermal digestions for up to 2x12 reaction test tubes, selectable temperatures and 8 user-de fined/8 fixed programs; 115 V LSdata software; GLP compliant PC software for data management and data transfer Lab Station for pHotoFlex series includes LSdata PC software, rechargeable batteries and univerisal plug, RS232. Barcode compatible. pHotoFlex pH electrode, integrated temperature sensor and BNC and banana plug; 1 m (3 ft) cable Secondary standard and instrument verification check for pHotoFlex colorimeters Rechargeable battery for the pHotoFlex STD and pH; STD requires Lab Station (251301Y)

A wide variety of accessories exist beyond what is listed. Please visit YSI.com/pHotoFlex

What can Xylem do for you? Were 12,700 people unified in a common purpose: creating innovative solutions to meet our worlds water needs. Developing new technologies that will improve the way water is used, conserved, and re-used in the future is central to our work. We move, treat, analyze, and return water to the environment, and we help people use water efficiently, in their homes, buildings, factories, and farms. In more than 150 countries, we have strong, long-standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise, backed by a legacy of innovation. For more information on how Xylem can help you, go to www.xyleminc.com

YSI 1700/1725 Brannum Lane Yellow Springs, Ohio 45387 +1 937.767.7241 800.765.4974 (US) environmental@ysi.com www.YSI.com @YSIinc

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