Cole-Parmer

Compact size frees up bench space  Large brightly lit display allows for easy reading of measured values  Easily toggle between conductivity and TDS at the touch of a button! Meter Type Benchtop Display type LCD Calibration Up to 6 points Min Conductivity 0.02 uS Max Conductivity 200.0 mS Conductivity Resolution 0.01 or 0.1 μS, 0.001, 0.01, or 0.1 mS Conductivity Accuracy ±1% FS Cell Constant K = 0.1, 1.0, or 10 TDS Resolution 0.01, 0.1, or 1 ppm, 0.01 or 0.1ppt TDS Accuracy ±1% FS Salinity Accuracy ±1.0% FS Resistivity Accuracy ±1% FS Temperature Accuracy ±0.9°F (±0.5°C) Temperature compensation Automatic or manual Interface RS-232 Power (VAC) 100 to 240 Power (Hz) 50 or 60 Width (cm) 17.4625 Height (cm) 6.985 Width (in) 6 7/8 Height (in) 2 3/4 > Each Unit Includes Conductivity/temperature probe 35608-74 (K = 1.0) Built-in electrode stand 100 to 240 VAC power adapter

Easily toggle between pH, mV, conductivity, TDS, and temperature measurements at the touch of a button Space-saving design takes up less room on the bench than other meters Large display lets you see your measurements from across the lab Conductivity and TDS autoranging chooses the best resolution for each measurement Dimensions ( H) 6-7/8 Dimensions ( D) 2-3/4 Dimensions ( L) 6-1/8 Range (pH) -2.00 to 16.00 Range (mV) ±2000 Range (Conductivity) 0.0 µS to 200 mS Range (TDS) 0.00 ppm to 100.0 ppt @ 0.5 factor (200.0 ppt @ 1.0 factor) Range (Temperature °C) 0 to 100 Range (Temperature °F) 32 to 212 Resolution (pH) 0.01 Resolution (Temperature) 0.1°C/°F Resolution (mV) 0.1 within ±199.9, 1 beyond ±199.9 Resolution (Conductivity) 0.01, 0.1, 1 µS, 0.01, 0.1 mS Resolution (TDS) 0.01, 0.1, 1 ppm, 0.01, 0.1 ppt Accuracy (pH) ±0.01 Accuracy (Temperature) ±0.9°F (±0.5°C) Accuracy (mV) ±0.2 within ±199.9 mV, ±2 beyond 199.9 mV Accuracy (Conductivity) ±1% full scale Accuracy (TDS) ±1% full scale Temperature compensation Automatic or manual Display LCD Calibration 5 Buffer recognition USA, NIST, DIN Power 110/240 VAC Datalogging (points) 100 CE Compliance Yes > Each Unit Includes Universal 100/240 VAC power supply Power adapters Electrode stand Combination pH electrode (35805-04) Conductivity/temperature probe (35608-74)

Multiparameter benchtop meters are an all-in-one solution for laboratory research work Advanced research-grade meter Includes Ion concentration readings Meter TypeBenchtop Display typeLCD ConnectionspH: BNC, Temperature: 2.5 mm Min pH (pH)-2 Max pH (pH)20 pH Resolution0.001/0.01/0.1 pH Accuracy±0.002 pH Buffer RecognitionDIN, NIST, and USA CalibrationUp to 6 points Min mV (mV)-2000 Max mV (mV)2000 mV Resolution0.1 or 1 mV mV Accuracy±0.2 mV or 0.05%, whichever is greater Min ISE0 to 19999 ppm ISE Resolution0.001 ppm, 0.001 molar ISE Accuracy±0.5% of reading Max Conductivity0 500 mS Conductivity Accuracy±1% FS Min TDS0 to 500 ppt Min Salinity0 to 80 ppt Salinity Accuracy±1.0% FS Resistivity Resolution0.01 mΩ, 0.01 or 0.1 Ω, 0.001 or 0.01 kΩ Resistivity Accuracy±1% FS Min Temperature (° C)-10 Max Temperature (° C)110 Min Temperature (° F)14 Max Temperature (° F)230 Temperature compensationAutomatic or manual InterfaceRS-232 Power (VAC)110 to 240 Power (Hz)50 or 60 Width (cm)17.4625 Height (cm)6.985 Width (in)6 7/8 Length (in)6 1/8 Height (in)2 3/4 > Each Unit Includes Universal 100/240 VAC power supply Electrode stand Meter Combination pH electrode (35805-04) Conductivity/temperature probe (35412-10)

Top-of-the-line dual parameter meters offer features typically found on much more expensive models! Simultaneously measure your choice of pH, mV, or ISE and conductivity Log up to 500 data points with GLP compliance Wireless IrDA communication for truly waterproof interfacing capabilities These 650 meters feature user-selectable “calibration due” alarms, automatic or manual standards recognition, and single or multiple calibration points—providing flexibility in meeting your quality objectives The large backlit LCD shows the measured value, measured units, temperature, time, battery life, and menu options Infrared (IrDA) wireless technology lets you easily download data without any cables PC 650 meters measure pH and ISE with a 0.001 maximum resolution The PC 650 also measures conductivity, TDS, salinity, or resistivity using either a 2- or 4-electrode conductivity cell Range pH -2.000 to 19.999 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Conductivity 0 to 500 mS Range Resistivity 0 to 20.000 Mµ Range Salinity 80 ppt Range TDS 0 to 500 ppt Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Conductivity 0.05% full scale Resolution Resistivity 0.05% full scale Resolution Salinity 0.05% full scale Resolution TDS 0.05% full scale Resolution Temperature 0.1°F to 199.9°F , 1.0°F from 200 to 230°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Conductivity ±1% full-scale Accuracy Resistivity ±1% full-scale Accuracy Salinity ±1% full-scale Accuracy TDS ±1% full-scale Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Buffer recognition USA, NIST, DIN, or PWB Datalogging 500 points Output IrDA/RS-232C Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3.25 in W x 7.25 in H x 2.25 in D > Each Unit Includes Data management software Probe holder Batteries Double-junction pH electrode and a 4-electrode (K = 0.3) conductivity cell

Top-of-the-line dual parameter meters offer features typically found on much more expensive models! Simultaneously measure your choice of pH, mV, or ISE and conductivity Log up to 500 data points with GLP compliance Wireless IrDA communication for truly waterproof interfacing capabilities These 650 meters feature user-selectable “calibration due” alarms, automatic or manual standards recognition, and single or multiple calibration points—providing flexibility in meeting your quality objectives The large backlit LCD shows the measured value, measured units, temperature, time, battery life, and menu options Infrared (IrDA) wireless technology lets you easily download data without any cables PC 650 meters measure pH and ISE with a 0.001 maximum resolution The PC 650 also measures conductivity, TDS, salinity, or resistivity using either a 2- or 4-electrode conductivity cell Range pH -2.000 to 19.999 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Conductivity 0 to 500 mS Range Resistivity 0 to 20.000 Mµ Range Salinity 80 ppt Range TDS 0 to 500 ppt Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Conductivity 0.05% full scale Resolution Resistivity 0.05% full scale Resolution Salinity 0.05% full scale Resolution TDS 0.05% full scale Resolution Temperature 0.1°F to 199.9°F , 1.0°F from 200 to 230°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Conductivity ±1% full-scale Accuracy Resistivity ±1% full-scale Accuracy Salinity ±1% full-scale Accuracy TDS ±1% full-scale Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Buffer recognition USA, NIST, DIN, or PWB Datalogging 500 points Output IrDA/RS-232C Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3.25 in W x 7.25 in H x 2.25 in D > Each Unit Includes Data management software Probe holder Batteries

Top-of-the-line dual parameter meters offer features typically found on much more expensive models! Simultaneously measure your choice of pH, mV, or ISE and conductivity Log up to 500 data points with GLP compliance Wireless IrDA communication for truly waterproof interfacing capabilities These 650 meters feature user-selectable “calibration due” alarms, automatic or manual standards recognition, and single or multiple calibration points—providing flexibility in meeting your quality objectives The large backlit LCD shows the measured value, measured units, temperature, time, battery life, and menu options Infrared (IrDA) wireless technology lets you easily download data without any cables PC 650 meters measure pH and ISE with a 0.001 maximum resolution The PC 650 also measures conductivity, TDS, salinity, or resistivity using either a 2- or 4-electrode conductivity cell Range pH -2.000 to 19.999 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Conductivity 0 to 500 mS Range Resistivity 0 to 20.000 Mµ Range Salinity 80 ppt Range TDS 0 to 500 ppt Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Conductivity 0.05% full scale Resolution Resistivity 0.05% full scale Resolution Salinity 0.05% full scale Resolution TDS 0.05% full scale Resolution Temperature 0.1°F to 199.9°F , 1.0°F from 200 to 230°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Conductivity ±1% full-scale Accuracy Resistivity ±1% full-scale Accuracy Salinity ±1% full-scale Accuracy TDS ±1% full-scale Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Buffer recognition USA, NIST, DIN, or PWB Datalogging 500 points Output IrDA/RS-232C Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3.25 in W x 7.25 in H x 2.25 in D > Each Unit Includes Data management software Probe holder Batteries pH buffer solutions Conductivity standards Protective rubber boot Hard carrying case

Range pH -2.000 to 20.000 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Dissolved oxygen 0 to 600%/90 mg/L Range Barometric pressure 450 to 825 mm Hg Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Dissolved oxygen 0.1%, 0.01 mg/L Resolution Barometric pressure 0.1 mm Hg (0.1 kPa) Resolution Temperature 0.1°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Dissolved oxygen ±2%, ±0.2 mg/L Accuracy Barometric pressure ±1% Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Calibration Up to 6 points (pH) Buffer recognition USA: 1.68, 4.01, 7.00, 10.01, 12.45/NIST: 1.68, 4.01, 6.86, 9.18, 12.45/DIN: 1.09, 3.06, 4.65, 6.79, 9.23, 12.75/PWB: 4.10, 6.97 Datalogging 500 data sets with GLP Output IrDA/RS-232C (via LED) Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3-1/4W x 7-1/4H x 2-/4D (8.3 x 18.4 x 5.7 cm) > Each Unit Includes Data management software Probe holder Batteries Double-junction pH electrode Dissolved oxygen probe with 25-ft (7.6-m) cable

Range pH -2.000 to 20.000 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Dissolved oxygen 0 to 600%/90 mg/L Range Barometric pressure 450 to 825 mm Hg Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Dissolved oxygen 0.1%, 0.01 mg/L Resolution Barometric pressure 0.1 mm Hg (0.1 kPa) Resolution Temperature 0.1°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Dissolved oxygen ±2%, ±0.2 mg/L Accuracy Barometric pressure ±1% Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Calibration Up to 6 points (pH) Buffer recognition USA: 1.68, 4.01, 7.00, 10.01, 12.45/NIST: 1.68, 4.01, 6.86, 9.18, 12.45/DIN: 1.09, 3.06, 4.65, 6.79, 9.23, 12.75/PWB: 4.10, 6.97 Datalogging 500 data sets with GLP Output IrDA/RS-232C (via LED) Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3-1/4W x 7-1/4H x 2-/4D (8.3 x 18.4 x 5.7 cm) > Each Unit Includes Data management software Probe holder Batteries