pH, ORP, ISE Testing


Essential testing for water chemistry control.


pH, ORP, and ISE testing solutions ensure proper water balance and treatment efficiency. These tools provide precise readings in municipal and industrial settings and optimize water quality.

Hach IntelliCAL PHC108 Laboratory Puncture Stainless Steel pH Electrode, 1 m Cable, PHC10801
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Hach IntelliCAL PHC108 Laboratory Puncture Stainless Steel pH Electrode 1m Cable PHC10801
$624.00

Mfr. Part # PHC10801

Product # 703995

Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode, 30 m Cable, PHC10130
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Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode 30m Cable PHC10130
$1,255.00

Mfr. Part # PHC10130

Product # 703994

Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode, 15 m Cable, PHC10115
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Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode 15m Cable PHC10115
$1,133.00

Mfr. Part # PHC10115

Product # 703993

Hach IntelliCAL PHC101 Laboratory Low Maintenance Gel Filled pH Electrode, 3 m Cable, PHC10103
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Hach IntelliCAL PHC101 Laboratory Low Maintenance Gel Filled pH Electrode 3m Cable PHC10103
$497.00

Mfr. Part # PHC10103

Product # 703991

Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode, 10 m Cable, PHC10110
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Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode 10m Cable PHC10110
$1,075.00

Mfr. Part # PHC10110

Product # 703992

Hach IntelliCAL MTC695 Double Platinum Electrode for AT/KF1000 RedOx Titrations, MTC69501
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Hach IntelliCAL MTC695 Double Platinum Electrode for AT/KF1000 RedOx Titrations, MTC69501
$485.00

Mfr. Part # MTC69501

Product # 703950

Hach IntelliCAL MTC301 Laboratory General Purpose Refillable ORP/RedOx Electrode, 3 m Cable,MTC30103
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Hach IntelliCAL MTC301 Laboratory General Purpose Refillable ORP/RedOx Electrode 3m Cable MTC30103
$707.00

Mfr. Part # MTC30103

Product # 703949

Hach IntelliCAL MTC301 Laboratory General Purpose Refillable ORP/RedOx Electrode, 1 m Cable,MTC30101
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Hach IntelliCAL MTC301 Laboratory General Purpose Refillable ORP/RedOx Electrode 1m Cable MTC30101
$648.00

Mfr. Part # MTC30101

Product # 703948

Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode, 30 m Cable, MTC10130
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Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode 30m Cable MTC10130
$1,222.00

Mfr. Part # MTC10130

Product # 703947

Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode, 15 m Cable, MTC10115
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Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode 15m Cable MTC10115
$1,144.00

Mfr. Part # MTC10115

Product # 703946

Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode, 10 m Cable, MTC10110
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Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode 10m Cable MTC10110
$1,081.00

Mfr. Part # MTC10110

Product # 703945

Hach IntelliCAL MTC101 Laboratory Low Maintenance Gel Filled ORP/RedOx Electrode, 3 m Cable,MTC10103
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Hach IntelliCAL MTC101 Laboratory Low Maintenance Gel Filled ORP/RedOx Electrode 3m Cable MTC10103
$645.00

Mfr. Part # MTC10103

Product # 703944

Hach HQ1110 Portable pH/ORP/mV Meter w/ Rugged Field Gel pH Electrode, 5 m Cable, LEV015.53.11103
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Hach HQ1110 Portable pH/ORP/mV Meter with Rugged Field Gel pH Electrode 5m Cable LEV015.53.11103
$2,317.00

Mfr. Part # LEV015.53.11103

Product # 703518

Hach IntelliCAL ISENH3181 Ammonia Ion Selective Electrode Replacement Membranes, 3/Pack, 5812711
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Hach IntelliCAL ISENH3181 Ammonia Ion Selective Electrode Replacement Membranes, 3/Pack, 5812711
$154.00

Mfr. Part # 5812711

Product # 702282

Hach HQ411D Laboratory Starter pH Meter Package w/ PHC101 Low Maintenance pH Electrode, 8509500
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Hach HQ411D Laboratory Starter pH Meter Package with PHC101 Low Maintenance pH Electrode 8509500
$2,260.00

Mfr. Part # 8509500

Product # 702368

Hach HQ440D Water Quality Laboratory pH Meter Package w/ PHC281 pH Electrode for Waters, 8508600
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Hach HQ440D Water Quality Laboratory pH Meter Package with PHC281 pH Electrode for Waters 8508600
$3,837.00

Mfr. Part # 8508600

Product # 702365

Hach HQ440D Water Quality Lab pH & ISE Fluoride Ion Meter Kit w/ PHC281 & ISEF121, 8508200
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Hach HQ440D Water Quality Lab pH & ISE Fluoride Ion Meter Kit with PHC281 & ISEF121 8508200
$5,251.00

Mfr. Part # 8508200

Product # 702362

Hach HQ440D Laboratory Nitrate (NO₃⁻) Ion Meter Kit w/ ISENO3181 Ion Selective Electrode, 8508100
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Hach HQ440D Laboratory Nitrate (NO) Ion Meter Kit with ISENO3181 Ion Selective Electrode 8508100
$4,641.00

Mfr. Part # 8508100

Product # 702361

Hach HQ440D Laboratory Fluoride (F⁻) Ion Meter Kit w/ ISEF121 Ion Selective Electrode, 8508000
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Hach HQ440D Laboratory Fluoride (F) Ion Meter Kit with ISEF121 Ion Selective Electrode 8508000
$4,676.00

Mfr. Part # 8508000

Product # 702360

Hach HQ440D Laboratory Ammonium (NH₄⁺) Ion Meter Kit w/ ISENH4181 Ion Selective Electrode, 8507800
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Hach HQ440D Laboratory Ammonium (NH) Ion Meter Kit with ISENH4181 Ion Selective Electrode 8507800
$4,374.00

Mfr. Part # 8507800

Product # 702358

Hach HQ440D Laboratory Chloride (Cl⁻) Ion Meter Kit w/ ISECL181 Ion Selective Electrode, 8507900
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Hach HQ440D Laboratory Chloride (Cl) Ion Meter Kit with ISECL181 Ion Selective Electrode 8507900
$4,676.00

Mfr. Part # 8507900

Product # 702359

Hach HQ440D Laboratory Ammonia (NH₃) Ion Meter Kit w/ ISENH3181 Ion Selective Electrode, 8507600
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Hach HQ440D Laboratory Ammonia (NH) Ion Meter Kit with ISENH3181 Ion Selective Electrode 8507600
$4,200.00

Mfr. Part # 8507600

Product # 702357

Hach HQ411D Laboratory Starter pH Meter Package w/ PHC201 General Purposes pH Electrode, 8507560
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Hach HQ411D Laboratory Starter pH Meter Package with PHC201 General Purposes pH Electrode 8507560
$2,184.00

Mfr. Part # 8507560

Product # 702355

Hach HQ440D Laboratory pH Meter Kit for Flat Surface w/ RedRod PHC729 Refill Electrode, 8507450
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Hach HQ440D Laboratory pH Meter Kit for Flat Surface with RedRod PHC729 Refill Electrode 8507450
$4,088.00

Mfr. Part # 8507450

Product # 702354

Hach HQ440D Laboratory Sodium (Na⁺) Ion Meter Package w/ ISENA381 Ion Selective Electrode, 8507000
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Hach HQ440D Laboratory Sodium (Na) Ion Meter Package with ISENA381 Ion Selective Electrode 8507000
$4,211.00

Mfr. Part # 8507000

Product # 702353

Hach HQ440D Laboratory pH Meter Package for High Alkalinity Samples w/ PHC705A Electrode, 8506450
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Hach HQ440D Laboratory pH Meter Package for High Alkalinity Samples with PHC705A Electrode 8506450
$3,910.00

Mfr. Part # 8506450

Product # 702352

Hach HQ440D Laboratory pH Meter Kit for w/ SS PHC108 Puncture Electrode, Semi-Solid, 8506250
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Hach HQ440D Laboratory pH Meter Kit for with SS PHC108 Puncture Electrode Semi-Solid 8506250
$3,818.00

Mfr. Part # 8506250

Product # 702351

Hach HQ440D Water Laboratory pH Meter Kit w/ RedRod PHC705 Refill Electrode, Extended Temp, 8506050
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Hach HQ440D Water Laboratory pH Meter Kit with RedRod PHC705 Refill Electrode Extended Temp 8506050
$3,910.00

Mfr. Part # 8506050

Product # 702350

Hach HQ440D Water Laboratory Meter Kit w/ RedRod PHC725 Refill Electrode, Low Ionic Strength,8505850
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Hach HQ440D Water Laboratory Meter Kit with RedRod PHC725 Refill Electrode Low Ionic Strength8505850
$3,910.00

Mfr. Part # 8505850

Product # 702349

Hach HQ440D Laboratory pH Meter Kit w/ RedRod PHC735 Glass Refill Electrode, Dirty Sample, 8505450
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Hach HQ440D Laboratory pH Meter Kit with RedRod PHC735 Glass Refill Electrode Dirty Sample 8505450
$3,999.00

Mfr. Part # 8505450

Product # 702346

Hach HQ440D General Purpose Water Laboratory pH Meter Kit w/ PHC805 Refill Glass Electrode, 8505350
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Hach HQ440D General Purpose Water Laboratory pH Meter Kit with PHC805 Refill Glass Electrode 8505350
$3,657.00

Mfr. Part # 8505350

Product # 702345

Hach IntelliCAL PHC281 Water Quality Laboratory Refillable pH Electrode, 1 m Cable, PHC28101
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Hach IntelliCAL PHC281 Water Quality Laboratory Refillable pH Electrode 1m Cable PHC28101
$708.00

Mfr. Part # PHC28101

Product # 703997

Hach HQ440D Laboratory Benchtop Multi-Parameter Meter, 2 Inputs, HQ440D
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Hach HQ440D Laboratory Benchtop Multi-Parameter Meter, 2 Inputs, HQ440D
$2,785.00

Mfr. Part # HQ440D

Product # 703488

Hach HQ1110 Portable Dedicated pH/ORP/mV Meter, w/o Electrode, LEV015.53.1110A
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Hach HQ1110 Portable Dedicated pH/ORP/mV Meter with Out Electrode LEV015.53.1110A
$881.00

Mfr. Part # LEV015.53.1110A

Product # 700036

Hach HQ1110 Portable pH/ORP/mV Meter with Gel pH Electrode, 1 m Cable, LEV015.53.11102
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Hach HQ1110 Portable pH/ORP/mV Meter with Gel pH Electrode 1m Cable LEV015.53.11102
$1,742.00

Mfr. Part # LEV015.53.11102

Product # 700038

Hach HQ1110 Portable pH/ORP/mV Meter with Gel pH Electrode PHC201, 1 m Cable, LEV015.53.11101
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Hach HQ1110 Portable pH/ORP/mV Meter with Gel pH Electrode PHC201 m Cable LEV015.53.11101
$1,686.00

Mfr. Part # LEV015.53.11101

Product # 700037

Hach IntelliCAL PHC705 Lab General Purpose RedRod Refillable Glass pH Electrode, 1 m Cable, PHC70501
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Hach IntelliCAL PHC705 Lab General Purpose RedRod Refillable Glass pH Electrode 1m Cable PHC70501
$667.00

Mfr. Part # PHC70501

Product # 704001

Hach IntelliCAL PHC301 Laboratory General Purposes Refillable pH Electrode, 1 m Cable, PHC30101
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Hach IntelliCAL PHC301 Laboratory General Purposes Refillable pH Electrode 1m Cable PHC30101
$471.00

Mfr. Part # PHC30101

Product # 703999

Hach IntelliCAL PHC201 Laboratory General Purposes Gel Filled pH Electrode, 1 m Cable, PHC20101
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Hach IntelliCAL PHC201 Laboratory General Purposes Gel Filled pH Electrode 1m Cable PHC20101
$391.00

Mfr. Part # PHC20101

Product # 700039

Hach IntelliCAL PHC101 Laboratory Low Maintenance Gel Filled pH Electrode, 1 m Cable, PHC10101
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Hach IntelliCAL PHC101 Laboratory Low Maintenance Gel Filled pH Electrode 1m Cable PHC10101
$453.00

Mfr. Part # PHC10101

Product # 700040

Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode, 5 m Cable, PHC10105
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Hach IntelliCAL PHC101 Field Low Maintenance Gel Filled pH Electrode 5m Cable PHC10105
$1,012.00

Mfr. Part # PHC10105

Product # 700042

Hach IntelliCAL MTC101 Laboratory Low Maintenance Gel Filled ORP/RedOx Electrode,1 m Cable, MTC10101
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Hach IntelliCAL MTC101 Laboratory Low Maintenance Gel Filled ORP/RedOx Electrode 1m Cable MTC10101
$583.00

Mfr. Part # MTC10101

Product # 700041

Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode, 5 m Cable, MTC10105
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Hach IntelliCAL MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode 5m Cable MTC10105
$1,021.00

Mfr. Part # MTC10105

Product # 700043

Hach Buffer Solution, pH 7.00, 25 mL, 1222220
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Hach Buffer Solution, pH 7.00, 25 mL, 1222220
$24.65

Mfr. Part # 1222220

Product # 700922

Hach Buffer Powder PIllows, pH 4.01 & pH 7.00, pk/2x15, 2299264
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Hach Buffer Powder Pillows, pH 4.01 & pH 7.00, 2/pk of 15, 2299264
$22.30

Mfr. Part # 2299264

Product # 700052

Hach Buffer Solution, pH 7.00, Color-coded Yellow, 15 mL, 2283536
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Hach Buffer Solution, pH 7.00, Color-coded Yellow, 15 mL, 2283536
$8.65

Mfr. Part # 2283536

Product # 701389

Hach Buffer Solution, pH 4.01, Color-coded Red, 15 mL, 2283436
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Hach Buffer Solution, pH 4.01, Color-coded Red, 15 mL, 2283436
$8.65

Mfr. Part # 2283436

Product # 701387

Hach Buffer Solution, pH 10.01, 1 L , LZW9472.99
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Hach Buffer Solution, pH 10.01, 1 L, LZW9472.99
$46.65

Mfr. Part # LZW9472.99

Product # 703823