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Multiparameter Meters

Instruments used to measure more than one electrochemical parameter; may include methods for pH, conductivity, temperature, ion-specific concentrations, dissolved oxygen, turbidity, resistivity, mV, TDS, salinity, and barometric pressure.
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1 – 15 of 52 results
1

Fisherbrand™ Traceable™ pH/ORP/Temperature Meter

Measure critical water quality parameters — without the need to carry multiple units.

2

Fisherbrand™ accumet™ XL600 Benchtop Dual pH/ISE, Conductivity and Dissolved Oxygen Meters

Provide advanced measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL600 pH/ISE/conductivity/DO benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

Length (Metric) 24.6 cm
Range (Resistivity) 3 W to 100 MW over 4 ranges: 0 to 20 kW, 20 to 200 kW, 200 kW to 2 MW, 2 to 100 MW
Detection Range Multiple
Length (English) 9.68 in.
Cell Constant 0.01 to 10
Range (pH) -2 to 20
Width (Metric) 17.3 cm
Resolution (ISE) 2/3/4 Digits
Accuracy (pH) ±0.002
Range (ISE) ±2000 mV
Range (Salinity) 0 to 80 ppt
Accuracy Multiple
Data Management Details 3 to 86400 sec.
Display Type LCD
Accuracy (Salinity) ± 1% full scale
Resolution (Salinity) 0.01/0.1ppm, 0.001/0.01/0.1ppt
Voltage 100/240 V
Accuracy (Conductivity) ±1% FS
Resolution (mV) 0.1mV
Resolution (DO) 0.01mg/L (0.1mbar), 0.1% saturation
Data Points 2000
Certifications/Compliance NIST, ISO, FDA, USDA, EPA
Inputs 2 BNC, 2 ATC
Weight (Metric) 1.13 kg
Height (English) 3.89 in.
Calibration Points (Conductivity) Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Height (Metric) 9.9 cm
Accuracy (mV) ±0.2 mV
Accuracy (ISE) 0.5% full scale (monovalent ion), 1% full scale (divalent ion)
Warranty 3 Years
Temperature Accuracy ±0.2°C (±0.3°F)
Calibration Points (ISE) 2 to 6
Accuracy (DO) 0.1 +1 LSD
Resolution (Resistivity) 0.01/0.1W, 0.001/0.1kW, 0.01MW
Resolution (Conductivity) 0.001/0.01/0.1mS
Range (Conductivity) 0 to 500 mS
Accuracy (Resistivity) ± 1% full scale
Range (TDS) 0.050 ppm to 500 ppt (at TDS factor 1.00)
Resolution (TDS) 0.01/0.1ppm, 0.001/0.01/0.1ppt
Dimensions (L x W x H) 24.6 x 17.3 x 9.9cm (9.7 x 6.8 x 3.9 in.)
Accuracy (TDS) ± 1% full scale
Outputs RS232, USB-A, Mini-B USB, RJ45, stirrer port (2)
Frequency 50/60Hz
Calibration Points (pH) Up to 6 preset or 5 custom
Weight (English) 2.5 lb.
Range (mV) ±2000 mV
Range (DO) 0 to 20mg/L (0 to 1272mbar), 0 to 200% saturation with 13-620-SSP electrode
Temperature Resolution 0.1°C
Resolution Multiple
3

Fisherbrand™ accumet™ AP125 Portable pH/Ion/mV/Temperature Meter

Accurate measurements any time, anywhere

Accuracy (mV) 0 to ±2000mV
Warranty 3 Years
Measurement Modes pH,Ion,mV,Temperature
Range (pH) 2 to 20
Range -2 to +20pH
For Use With (Application) pH, Ion concentration, mV, Temperature
Includes Meter, 9V battery, manual
Calibration Points 10
Accuracy Multiple
Display Type LCD
Product Type Meter Only
IP Rating IP67
Temperature Range (English) 23°F to 212°F
Data Points 200
Temperature Range (Metric) -5°C to +100°C
Range (mV) 0 to ±2000 mV
Resolution Multiple
4

Thermo Scientific™ Orion Star™ A325 pH/Conductivity Portable Multiparameter Meter

Accurately measure pH, conductivity and temperature with our pH/conductivity portable meter for high performance in challenging field tests.

Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity) 2 ohm to 100.0 meg-ohm
Memory Non-volatile memory preserves data log, calibration log and meter settings
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes pH,mV,Relative mV,TDS,ORP with Temperature,Salinity,Conductivity,Resistivity with Temperature
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Data Management Details Transfer single, range or all data points to printer or computer
Battery Life 800 hr.
Display Type LCD Graphic, Backlit
Resolution (mV) 0.1mV
Data Points 5000 with Date and Time Stamp
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Warranty 3 Year Meter
Temperature Accuracy ±0.1°C
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Resolution (Conductivity) 0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity) 0.001 μS/cm to 3000 mS/cm
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type 4 AA (included)
Relative Humidity Range 5 to 85 %, non-condensing
Dimensions (L x W x H) 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Accuracy (TDS) 0.5% of reading ±1 digit
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB, RS232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Calibration Points (pH) 1 to 5
Backlight Option Yes (Selectable)
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV
Methods 10 per channel with password protection
Cell Constant 0.001 to 199.9cm-1
Temperature (Metric) Reference 5, 10, 15, 20, 25°C
Range (pH) -2 to 20
TDS Factor Range Linear (0.02 to 9.99)
Channels 2
Accuracy (pH) ±0.002
Range (Salinity) 0.06 to 80.00 psu, 0.05 to 42.00 ppt
Temperature Compensation Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Accuracy (Salinity) 0.5% of reading ±1 digit
Resolution (Salinity) 0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Conductivity) 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe)
Weight (Metric) 0.5 kg
Calibration Points (Conductivity) Up to 5
Temperature (English) Operating 41°F to 113°F (ambient)
Resolution (Resistivity) 1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point 7.000pH
Accuracy (Resistivity) 0.5% of reading ±1 digit
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Range (TDS) 0.001 ppm to 200.0 ppt
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing op
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP67
Model Orion Star A325 pH/mV/RmV/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature Portable Meter
Weight (English) 1.2 lb.
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Temperature Resolution 0.1°C, 0.1°F
5
Promotions Available

METTLER TOLEDO™ S600 SevenExcellence™ Dissolved Oxygen Benchtop Meter Kit

The S600 meter kit includes a meter, electrode, and accessories to measure disolved oxygen (DO). The meter can be expanded with additional modules to measure pH, conductivity, and ISE. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel, or LIMS system.

6

Thermo Scientific™ Elite ORP Pocket Testers and Replacement Sensors

Flexible on-the-go ORP testing using durable Elite ORP pocket testers with replaceable sensors for a variety of applications including hydroponics, food and beverage, environmental and more!

7

Fisherbrand™ accumet™ AR425 pH/Ion Meter pH Kit

Designed to deliver precise and reliable electrochemistry testing, the accumet AR425 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

Accuracy (mV) ±0.2 mV or ±0.05% of the reading, whichever is greater
Log Function Type Automatic Data Logging
Measurement Modes pH,mV,ORP,Ion,Temperature
Range (pH) -2 to 20
Calibration pH
Channels 1
Accuracy (pH) ±0.002 pH
Calibration Points 1
Display Type 7-in. High-resolution Color Graphic LCD
Product Type Benchtop Multiparameter Meters
IP Rating IP54
Voltage 100/240 V
Data Points 5000 with Date and Time Stamp
Backlight Option Yes
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Range (Metric) -30.0 to 130.0°C
8

Mettler Toledo™ Expansion Module for SevenExcellence™ DO/BOD Meters

For use with SevenExcellence Dissolved Oxygen and DO/BOD Meters.

9

OHAUS™ Aquasearcher™ Multi-Parameter Analyzer AB33M1

The Aquasearcher™ Multi-Parameter Analyzer AB33M1 is easy-to-use and accurate, capable of measuring up to seven parameters including pH, ORP, conductivity, TDS, salinity, resistivity, and temperature.

Display Type LCD
Range (Resistivity) 2 to 100 MΩ-cm
IP Rating None
Range (Conductivity) 0.01 μS/cm to 500 mS/cm
Outputs RS232, USB Device (Included)
Range (TDS) 0.1 mg/L to 199.9 g/L
Measurement Modes Auto-stop,Continuous
Range (pH) -2 to 20
Temperature Range (Metric) -5°C to +110°C
Range (mV) -2000 to 2000 mV
Resolution (ISE) 0.01 pH
Channels pH, Conductivity
Range (Salinity) 0 to 100 psu
10

Thermo Scientific™ Elite pH Spear Pocket Testers and Replacement Sensors

Flexible on-the-go pH testing using durable Elite spear pocket testers with replaceable sensors for a variety of applications include food, beverage, agriculture and more!

Temperature Accuracy Manual input
Temperature Range (English) 32.0°F to 140.0°F
Measurement Modes pH
Range (pH) -1 to 15
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) 0.0°C to 60.0°C
Accuracy (pH) ±0.02
Temperature Resolution 0.1°C, 0.1°F
11

Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter

Get premium performance and flexibility with our benchtop meter with pH and conductivity modules for simultaneous pH, conductivity, and temperature.

Power Rating DC input: 9VDC, 1A
Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity) 2 ohm to 100.0 meg-ohm
Memory Non-volatile memory preserves data log, calibration log and meter settings
Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes pH,mV,Relative mV,TDS,ORP with Temperature,Salinity,Conductivity,Resistivity with Temperature
Power Supply Universal AC adapter (included)
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Color graphic LCD with user-customizable options
Resolution (mV) 0.1mV
Data Points 2000 with Date and Time Stamp
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Warranty 3 year meter and module warranty
Temperature Accuracy ±0.1°C
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Resolution (Conductivity) 0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity) 0.001 μS/cm to 3000 mS/cm
Log Function Type Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Relative Humidity Range 5 to 85 %, non-condensing
Dimensions (L x W x H) 28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
Accuracy (TDS) 0.5% of reading ±1 digit
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB (2), RS232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Calibration Points (pH) 1 to 6
Backlight Option Yes
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV
Methods 10 per channel
Cell Constant 0.001 to 199.9cm-1
Temperature (Metric) Reference 5, 10, 15, 20, 25°C
Range (pH) -2 to 20
TDS Factor Range Linear (0.02 to 9.99)
Channels 4 (Customizable with modules)
Accuracy (pH) ±0.002
Range (Salinity) 0.06 to 80.00 psu, 0.05 to 42.00 ppt
Temperature Compensation Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Accuracy (Salinity) 0.5% of reading ±1 digit
Resolution (Salinity) 0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Conductivity) 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe)
Weight (Metric) 1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity) Up to 6
Temperature (English) Operating 41°F to 113°F (ambient)
Resolution (Resistivity) 1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point 7.000pH (adjustable)
Accuracy (Resistivity) 0.5% of reading ±1 digit
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Range (TDS) 0.001 ppm to 200.0 ppt
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing op
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
IP Rating IP54
Weight (English) 2.5 lb., modules add 0.5 lb. each
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Temperature Resolution 0.1°C, 0.1°F
12
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Mettler Toledo™ pH/Conductivity/DO Meter NineFocus™ NF2340™

High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations.

13
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Mettler Toledo™ pH/Conductivity Meter SevenDirect SD23
GREENER_CHOICE

The SevenDirect SD23 is an accurate and flexible benchtop meter for the determination of pH and conductivity - either separately or simultaneously. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Accuracy (mV) 0.1 mV
Temperature Accuracy ±0.1°C between 0°C and 100°C
Memory 2000 Standard Measurements
Range (Conductivity) 0.001 μS/cm to 2000 mS/cm
Channels 2
Accuracy (pH) 0.002
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type Color TFT
IP Rating IP54
Accuracy (Conductivity) 0.5 %
Resolution (mV) 1, 0.1 mV
Temperature Range (English) -22°F to +266°F
Weight (English) 1.9 lb.
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Weight (Metric) 850 g
Temperature Resolution 0.1°C
Resolution (ORP) 1, 0.1
14
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METTLER TOLEDO™ Portable pH/Conductivity/Dissolved Oxygen/Ion Meters

Water and dust proof, IP67 rated meter for portable or field measurements. Portable meters compatible with pH, conductivity, dissolved oxygen, and ion selective electrodes.

IP Rating IP67
Certifications/Compliance ISO 9001:2000
15
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METTLER TOLEDO™ S900 SevenExcellence™ Dissolved Oxygen/BOD Benchtop Meter

The S900 is a dissolved oxygen(DO)/biological oxygen demand (BOD) meter. It can be expanded with additional modules to measure pH, conductivity, ISE, salinity, TDS, and Redox/ORP. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.

Accuracy ±1
Display Type Color TFT
Accuracy (Concentration) ±0.1mg/L from 0 to 8; ±0.2mg/L from 8 to 20; ±10% from 20 to 50
Measurement Modes Dissolved Oxygen
Temperature Range (Metric) 0°C to 50°C
Range (DO) 0.000 to 50mg/L (ppm)
Percent Saturation Range (Polarographic DO) 0 to 500%
Channels 3
Resolution 0.001 (display)