YSI

pH Buffer Package, pH Range 4.0, 7.0 and 10.0, For Use With YSI Professional Plus (4UYG5), Package Quantity 6 Pints, 2 Each Buffer

pH Buffer Package, pH Range 4.0, 7.0 and 10.0, For Use With YSI Professional Plus (4UYG5), Package Quantity 6...More

O-ring Grease, For Use With YSI Pro Plus (4UYG5), YSI Pro20 (4UYG6)

Optical Dissolved Oxygen Meter, Dissolved Oxygen Range 0 to 50 mg/L, Oxygen Concentration 0 to 500%, Temp Range -5 to 70 C, Display Graphic LCD, Memory 5000 Data Sets with Good Laboratory Practices Data, Barometric Pressure Range 400 to 999.9 mmHg, Power Source 2 C Batteries or USB, Interface USB, Includes Data Manager Software, USB Cable, Pro Comm II Communications Saddle, Batteries and Instructions

Optical Dissolved Oxygen Meter, Dissolved Oxygen Range 0 to 50 mg/L, Oxygen Concentration 0 to 500%, Temp...More

Bar Code Scanner, For Use With YSI Series 5100 (4UYF8, 4UYF9)

Dissolved Oxygen Meter, Dissolved Oxygen Range 0 to 20 ppm, Oxygen Concentration 0 to 200 Percent, Waterproof IP67, Displayed Temperature Range -6 Degrees to 46 Degrees C, 21.2 Degrees to 114.8 Degrees F, Salinity Range 0 to 40 ppt, Operating Temp. Range (F) 0 Degrees to 50 Degrees C, Operating Temp. Range (C) 32 Degrees to 122 Degrees F, Display Graphic, Auto Power Off Yes, Memory 50 Data Sets, Calibration Back Up, Cable Length No Cable, Power Source 9V Battery, Includes Battery

Dissolved Oxygen Meter, Dissolved Oxygen Range 0 to 20 ppm, Oxygen Concentration 0 to 200 Percent, Waterproof...More

Calibration Solution, ORP, Range NONONONO, Features Contains a Powdered Reagent, Container 250mL Plastic Bottle, For Use With YSI Professional Meters and Testers, Number of Tests Dependent On Amount Used For Each Test

Calibration Solution, ORP, Range NONONONO, Features Contains a Powdered Reagent, Container 250mL Plastic...More

Reagent, Powder Pack, Range 0.004 to 0.450mg/L DEHA, For Use With Photometer, Includes 100 Packs, Package Quantity 100

Reagent, Powder Pack, Range 0.004 to 0.450mg/L DEHA, For Use With Photometer, Includes 100 Packs, Package...More

Handheld Conductivity/DO Meter, Electric Conductivity Range 0 to 200 mS/cm, TDS Range 0 to 100 g/L, Dissolved Oxygen Range 0 to 50 mg/L, Oxygen Concentration 0 to 500%, Salinity Range 0 to 70 ppt, Temp. Range (F) 23 Degree to 131 Degree, Display Graphic, Backlit LCD, Barometric Pressure Range 400 to 999.9 mmHg, Cable Length Order Cable Separately, Power Source 2 Alkaline C Batteries, Includes Batteries and Instructions, Manufacturers Warranty Length 3 Years

Handheld Conductivity/DO Meter, Electric Conductivity Range 0 to 200 mS/cm, TDS Range 0 to 100 g/L, Dissolved...More

Zobell Solution, ORP Range 270.0 to 198.5 mV Dependent on Temperature, 125 mL, For Use With YSI Professional Plus (4UYG5)

Zobell Solution, ORP Range 270.0 to 198.5 mV Dependent on Temperature, 125 mL, For Use With YSI Professional...More

Replacement Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use With YSI ProODO Optical DO Cables ODO-1, ODO-4, ODO-10, ODO-20, ODO-30,ODO-40, ODO-50, ODO-60 and ODO-100, Recommended Use Field

Replacement Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use With...More

Cap Membrane Kit, For Use With YSI 5203 Polarographic DO Probe (4UYU8), Includes (6) 1.25 Mil PE Membranes and Electrolyte (Yellow Cap)

Cap Membrane Kit, For Use With YSI 5203 Polarographic DO Probe (4UYU8), Includes (6) 1.25 Mil PE Membranes...More

Conductivity Meter, Electric Conductivity Range 0.0 micronS to 19.90 mS, Waterproof IP67, Automatic Temperature Compensation No, Displayed Temperature Range 0 Degrees to 99.5 Degrees C, Operating Temp. Range (F) 32 Degrees to 122 Degrees , Operating Temp. Range (C) 0 Degrees to 50 Degrees , Display Digital, Auto Power Off No, Memory 50 Data Sets, Calibration Yes, Interface None, Cable Length 1m, Power Source (4) LR44 Alkaline Batteries, Includes Batteries, Cable, Probe, Manual

Conductivity Meter, Electric Conductivity Range 0.0 micronS to 19.90 mS, Waterproof IP67, Automatic...More

Cap Membrane Kit, For Use With YSI 5203 Polarographic DO Probe (4UYU8), Includes (6) 1.00 Mil PTFE Membranes and Electrolyte (Black Cap)

Cap Membrane Kit, For Use With YSI 5203 Polarographic DO Probe (4UYU8), Includes (6) 1.00 Mil PTFE Membranes...More

PH Meter, pH Range 0.00 to 14.00, Waterproof IP67, Automatic Temperature Compensation Auto 0.0 Degrees to 100.0 Degrees C or 32.0 Degrees to 212 Degrees F, Displayed Temperature Range 0.0 Degrees to 100 Degrees C, Display Digital, Auto Power Off No, Memory 50 Data Sets, Temperature Compensation Range Auto/Manual 0.0 Degrees to 100.0 Degrees C or 32 Degrees to 212 Degrees F, Calibration Yes, Interface No, Cable Length No Cable, Power Source 4 LR44 Alkaline Battery, Includes Battery

PH Meter, pH Range 0.00 to 14.00, Waterproof IP67, Automatic Temperature Compensation Auto 0.0 Degrees to...More

Conductivity Cell, Conductivity, Testing Parameter Conductivity, Body Material Plastic, Cable Length 4 ft., For Use With YSI Series 3100, and Series 3200 Laboratory Conductivity Meters, Recommended Use Laboratory, Includes Cable, Manufacturers Warranty Length 1 Year

Conductivity Cell, Conductivity, Testing Parameter Conductivity, Body Material Plastic, Cable Length 4 ft.,...More

Galvanic Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use With YSI Pro Plus, Pro20, Pro20i, Pro1020, Pro2030, Recommended Use Field, Includes 6 Membrane Caps and Solution, Manufacturers Warranty Length 6 Months

Galvanic Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use With...More

Polarographic Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use With YSI Pro Plus, Pro20, Pro20i, Pro1020, Pro2030, Recommended Use Field, Includes 6 Membrane Caps and Solution, Manufacturers Warranty Length 1 Year

Polarographic Sensor, Dissolved Oxygen, Testing Parameter Dissolved Oxygen, Body Material Plastic, For Use...More

Probe, pH, Testing Parameter pH, Tip Shape Sphere, Body Material Plastic, Amplifier No, For Use With 60510, 6051010, 6051020, 6051030, 605790, Reference Ag/AgCl, Junction Single, Electrolyte Gel, KCl, Recommended Use Field, Manufacturers Warranty Length 1 Year

Probe, pH, Testing Parameter pH, Tip Shape Sphere, Body Material Plastic, Amplifier No, For Use With 60510,...More

Probe, pH/ORP, Testing Parameter pH/ORP, Tip Shape Sphere, Body Material Plastic, Amplifier No, For Use With 556, Reference Ag/AgCl, Junction Single, Electrolyte Gel, KCl, Recommended Use Field, Manufacturers Warranty Length 1 Year

Probe, pH/ORP, Testing Parameter pH/ORP, Tip Shape Sphere, Body Material Plastic, Amplifier No, For Use With...More

Sensor, Conductivity, Testing Parameter Conductivity, Body Material Plastic, For Use With YSI Professional Plus Multiparameter Meter, Recommended Use Field, Manufacturers Warranty Length 1 Year

Sensor, Conductivity, Testing Parameter Conductivity, Body Material Plastic, For Use With YSI Professional...More

Electrode Kit, pH, Testing Parameter pH, Measurement Range 0.0 to 14.0 pH, pH Range 0.0 to 14.0, Tip Shape Sphere, Operating Temp. Range 0 Degrees to 50 Degrees C, Body Material Plastic, Amplifier No, Temp. Sensor Yes, For Use With Ecosense pH10, Shelf Life 12 Months, Reference Ag/AgCl, Junction Single, Electrolyte Gel, KCl, Recommended Use Field, Manufacturers Warranty Length 6 Months

Electrode Kit, pH, Testing Parameter pH, Measurement Range 0.0 to 14.0 pH, pH Range 0.0 to 14.0, Tip Shape...More

Confidence Solution, pH Range 6.8 to 7.2, Electric Conductivity Range 7600 to 8080 us/cm Dependent on Temperature, ORP Range 204 to 268 mV dependent on Temperature, Pint, For Use With YSI Professional Plus (4UYG5), Package Quantity 6

Confidence Solution, pH Range 6.8 to 7.2, Electric Conductivity Range 7600 to 8080 us/cm Dependent on...More

Electrode Stand, For Use With YSI pH100 (4UYH8, 4UYH9)