Showing 1 to 50 of 149 products. 123
YSI Professional Plus Multiparameter Meter
The toughest, smartest and most versatile water quality meter available
$1,175.00
$1,010.50
In Stock
YSI 556 Multiparameter System
Hand-held meter simultaneously measures dissolved oxygen, pH, conductivity, temperature and ORP
Starting at
$1,875.00
$1,650.00
YSI 550A Dissolved Oxygen Meter
Handheld DO meter with true field performance and improved functionality
Starting at
$895.00
$769.70
YSI 55 Dissolved Oxygen Meter
Field-proven handheld water quality meter for dissolved oxygen and temperature
Starting at
$825.00
$726.00
YSI ProODO Dissolved Oxygen Meter
Handheld, luminescent based dissolved oxygen meter for any field application
$695.00
$611.60
YSI Pro20 Dissolved Oxygen Meter
Rugged, reliable DO meter that is easy to operate while featuring user-replaceable sensors and cables
$560.00
$481.60
YSI EcoSense DO200A Dissolved Oxygen / Temperature Meter
Accurate, economical, handheld measurements, IP67 waterproof housing
Starting at
$280.00
$246.40
YSI 5000 Series Dissolved Oxygen Meters
Highly accurate, reliable advanced instrumentation for measuring dissolved oxygen
Starting at
$1,325.00
$1,166.00
YSI pH100A EcoSense pH100A pH/ORP Meter
Accurate, economical, handheld, IP67 waterproof housing
Starting at
$260.00
$228.80
YSI Pro2030 Dissolved Oxygen & Conductivity Meter
Measures dissolved oxygen, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature
$755.00
$664.40
YSI 9300 & 9500 Photometer
Economical photometers allow for field readings of 100+ parameters
Starting at
$1,050.00
$924.00
YSI 3100/3200 Conductivity Meters
High accuracy, ±0.1%, conductivity measurement instruments
Starting at
$895.00
$787.60
YSI EcoSense EC300A Conductivity Meter
Accurate, economical, handheld measurements, IP67 waterproof housing
Starting at
$295.00
$259.60
YSI Pro1030 Multiparameter Meter
Tough, smart and versatile pH/ORP/Conductivity/Salinity/TDS/Temperature meter designed for rugged field work
$725.00
$638.00
YSI EcoSense pH10 pH Tester
pH and temperature measurement in a pen-style tester with graphic display
$115.00
$101.20
YSI Pro30 Conductivity Meter
Handheld field meter for conductivity, salinity, TDS and temperature
$550.00
$484.00
YSI Pro1020 pH / ORP & DO Meter
Handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox)
$725.00
$638.00
YSI EcoSense ORP15 ORP Tester
ORP and temperature measurement in a pen-style tester with graphic display
$159.00
$139.92
YSI 900 Chlorine Colorimeter
Single parameter colorimeter for total and free chlorine, ideal for laboratory and field testing
$389.00
YSI MultiLab 4010-2 Water Quality Instrument
Two channel input for pH, ORP, optical-based DO/BOD, or conductivity, large, easy to read color display
Starting at
$1,450.00
YSI MultiLab 4010-3 Water Quality Instrument
Three channel input for pH, ORP, Optical-Based DO/BOD, or conductivity, antibacterial keypad, large, easy to read color display
$1,875.00
YSI pH1200 pH/mV Meter
Simple, accurate laboratory-grade pH, mV and temperature measurements
$525.00
$462.00
YSI pHotoFlex Colorimeter
Portable Colorimeters for lab and field, calibration adjustment for selected methods, multiparameters
Starting at
$995.00
YSI MultiLab 4010-1 Water Quality Instrument
Single channel input for pH, ORP, Optical-Based DO/BOD, or conductivity, large, easy to read backlit graphic display
Starting at
$1,095.00
YSI 1201 pH/mV Electrode
pH/mV electrode with BNC connector and 1-meter cable
$57.00
$50.16
YSI 910 COD Colorimeter
Single parameter colorimeter for COD, rugged, waterproof, multi range ideal for laboratory and field testing
$560.00
YSI Pro10 pH / ORP Meter
Portable, user replaceable sensors and cables, 50 data set memory, IP67 protection
$475.00
Accessories
YSI Calibration Solutions and Standards
Full range of calibration solutions and standards for YSI analytical meters
Starting at
$32.00
In Stock
YSI 5563 Cable/Sensor Assembly
Cable assembly with integral DO, temperature & conductivity sensors
Starting at
$1,050.00
$924.00
YSI ProODO Cable and Probe
ProODO cable and probe includes ODO optical DO sensor and sensing cap
Starting at
$640.00
$563.20
In Stock
YSI 5564 & 5565 pH/ORP Probe
YSI pH/ORP probe is compatible with YSI 5563 cable assembly
Starting at
$270.00
$237.60
YSI 5790 Pro Series Quatro Cable
4-port cable for use with the YSI Professional Plus meter. Create a powerful multiparameter sampling instrument.
Starting at
$1,295.00
$1,139.60
YSI 5908 Dissolved Oxygen Cap Membrane Kit
Six-pack of 1.25 mil PE membranes with yellow caps
$58.00
$51.04
In Stock
YSI 5010 Series Self-stirring BOD Probes
Self-Stirring BOD Probes - Classic Design for True Reliability
Starting at
$660.00
$580.80
YSI 5906 Dissolved Oxygen Cap Membrane Kit
Six-pack of 1 mil Teflon membranes with black caps
$58.00
$51.04
In Stock
YSI 559 Replacement DO Sensor Module
Replacement DO sensor module for YSI 550A and 556 dissolved oxygen meters
$195.00
$171.60
YSI 1001 pH Sensor
pH sensor for YSI Pro Series analytical instruments
$170.00
$149.60
YSI EcoSense pH100 pH Probes
Probes and electrodes for use with the YSI pH100 meter
Starting at
$55.00
$48.40
YSI 2003 Polarographic DO Sensor
Polarographic dissolved oxygen sensor for YSI Pro Series analytical instruments
$180.00
$158.40
YSI 20 Pro Series DO Cable
1-port cable for use with the Professional Plus instrument. The port requires a DO probe.
Starting at
$250.00
$220.00
YSI 2002 Galvanic DO Sensor
Galvanic dissolved oxygen sensor for YSI Pro Series analytical instruments
$180.00
$158.40
In Stock
YSI 5560 Conductivity/Temperature Probe
Combination temperature and conductivity sensor for YSI Pro Series analytical instruments
$430.00
$378.40
YSI 5083 Flow Cell
YSI 5083 Flow Cell
$400.00
$352.00
YSI Photometer Test Kits
Reagent starter kits for the YSI 9300 and 9500 photometers
Starting at
$12.00
YSI 2030 Pro Series DO/Conductivity Cable
1-port combo cable for use with the YSI Professional Plus meter. The 1-port requires a DO probe while the conductivity is built right into the cable.
Starting at
$615.00
$541.20
YSI Hard Carrying Case
The ultimate protection for your YSI Pro Series meter
$270.00
$237.60
YSI Flow Cells
For applications where it is impossible or undesirable to submerge the probe module into the sample
Starting at
$335.00
$294.80
YSI 5775 Standard Dissolved Oxygen Membrane Kit
Stretch-style 1 mil membrane including electrolyte
$39.00
$34.32
YSI 30 Pro Series Conductivity Cable
Allows for the measurement of conductivity, specific conductance, salinity, total dissolved solids and temperature
Starting at
$315.00
$277.20
YSI 1030 Pro Series Dual ISE/Conductivity Cable
1-port combo cable for use with the YSI Professional Plus instrument. The 1-port requires a ISE probe while the conductivity sensor is built right into the cable.
Starting at
$450.00
$396.00
Showing 1 to 50 of 149 products. 123