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YSI pH and ORP Sensors
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YSI ProQuatro Multiparameter Water Quality Meter
Measures a variety of combinations of dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.
$1,399.00
YSI ProDSS Multiparameter Meter
Portable digital sampling for the measurement of up to 17 water quality parameters, probe sold separately.
Starting at
$2,053.50
YSI MultiLab 4010-1W Water Quality Instrument
Single channel input with wireless capability for pH, ORP, optical-Based DO/BOD, or conductivity.
Starting at
$1,384.24
YSI ProSwap Digital Water Quality Meter
Versatile handheld meter with interchangeable sensors, onboard memory, built-in temperature sensor.
Starting at
$1,233.25
YSI EcoSense pH10 pH Tester
pH and temperature measurement in a pen-style tester with graphic display.
$141.25
$134.19
YSI MultiLab 4010-2W Water Quality Instrument
Two-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.
Starting at
$1,883.44
YSI EcoSense pH100A pH/ORP Meter
Accurate, economical, handheld, IP67 waterproof housing.
Starting at
$318.01
YSI TruLab pH/ISE 1320 Laboratory Benchtop Meter
Dual channel meter for dual measurement of pH, mV (ORP) or ISE, AutoRead function improves repeatability.
Starting at
$1,885.31
YSI Pro1030 Multiparameter Meter
Tough, smart and versatile pH/ORP/Conductivity/Salinity/TDS/Temperature meter designed for rugged field work.
$999.00
$949.05
YSI Pro1020 pH / ORP & DO Meter
Handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox).
$998.00
$948.10
YSI Pro10 pH / ORP Meter
Portable, user replaceable sensors and cables, 50 data set memory, IP67 protection.
$641.75
YSI MultiLab 4010-3W Water Quality Instrument
Three-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.
$2,427.36
YSI TruLab pH 1110 pH Meter
Single channel benchtop meter for pH, mV (ORP) and temperature measurements in the laboratory.
$702.71
YSI EcoSense ORP15 ORP Tester
ORP and temperature measurement in a pen-style tester with graphic display.
$204.00
$193.80
YSI EcoSense pH/EC1030A pH and Conductivity Pen
Easy-to-use graphic interface, simple one-hand operation, memory and IP-67 waterproof housing.
$211.25
YSI EcoSense pH100M pH/ORP Meter
Accurate, economical, handheld, IP67 waterproof housing, 250 data sets.
Starting at
$381.66
YSI EcoSense pH1000A Benchtop pH Meter
Measures pH, ORP & temperature with automatic buffer recognition for reliable calibrations.
Starting at
$394.50
YSI TruLab pH 1310 & 1310P Meters
Single channel, laboratory quality meter for pH, mV (ORP) and temperature measurements. With datalogging and optional printer. .
Starting at
$939.44
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