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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 51 results
1

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

Accurate measurements any time, anywhere

Accuracy (mV) 0 to ±2000mV
Warranty 3 Years
Resolution (pH) Adjustable
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
3

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.

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
Resolution (pH) 0.1/0.01/0.001
Width (Metric) 17.3 cm
Resolution (ISE) 2/3/4 Digits
Data Management Details 3 to 86400 sec.
Display Type LCD
Resolution (mV) 0.1mV
Data Points 2000
Certifications/Compliance NIST, ISO, FDA, USDA, EPA
Height (English) 3.89 in.
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
Resolution (Conductivity) 0.001/0.01/0.1mS
Range (Conductivity) 0 to 500 mS
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)
Calibration Points (pH) Up to 6 preset or 5 custom
Range (mV) ±2000 mV
Resolution Multiple
Length (Metric) 24.6 cm
Detection Range Multiple
Length (English) 9.68 in.
Cell Constant 0.01 to 10
Range (pH) -2 to 20
Accuracy (pH) ±0.002
Range (ISE) ±2000 mV
Range (Salinity) 0 to 80 ppt
Accuracy Multiple
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 (DO) 0.01mg/L (0.1mbar), 0.1% saturation
Inputs 2 BNC, 2 ATC
Weight (Metric) 1.13 kg
Calibration Points (Conductivity) Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Height (Metric) 9.9 cm
Accuracy (DO) 0.1 +1 LSD
Resolution (Resistivity) 0.01/0.1W, 0.001/0.1kW, 0.01MW
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
Frequency 50/60Hz
Weight (English) 2.5 lb.
Range (DO) 0 to 20mg/L (0 to 1272mbar), 0 to 200% saturation with 13-620-SSP electrode
Temperature Resolution 0.1°C
4

Fisherbrand™ Traceable™ pH/ORP/Temperature Meter

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

5

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.

Range (Resistivity) 2 to 100 MΩ-cm
Range (Conductivity) 0.01 μS/cm to 500 mS/cm
Resolution (pH) 0.1/0.01 pH
Range (TDS) 0.1 mg/L to 199.9 g/L
Measurement Modes Auto-stop,Continuous
Range (pH) -2 to 20
Resolution (ISE) 0.01 pH
Channels pH, Conductivity
Range (Salinity) 0 to 100 psu
Display Type LCD
IP Rating None
Outputs RS232, USB Device (Included)
Temperature Range (Metric) -5°C to +110°C
Range (mV) -2000 to 2000 mV
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
Resolution (pH) 0.1, 0.01, or 0.001 pH
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

Thermo Scientific™ Orion Star™ A321 pH Portable Meter

Accurately monitor pH, mV, ORP and temperature with our waterproof, portable pH meter for high performance in challenging field locations.

Memory Non-volatile memory preserves data log, calibration log and meter settings
Resolution (pH) 0.1/0.01/0.001
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes pH,mV,Relative mV,ORP with Temperature
Range (pH) -2 to 20
Channels 1
Accuracy (pH) ±0.002
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
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric) 0.5 kg
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
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.000pH
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Calibration pH with calibration editing option, relative mV (RmV), ORP and temperature
Battery Type 4 x AA
Relative Humidity Range 5 to 85%, non-condensing
Calibration Points 1 to 5
Alarm Output High/low limit alarm, calibration due alarm
Dimensions (L x W x H) 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Temperature Selection Manual or automatic with ATC temperature probe
IP Rating IP67
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model Orion Star A321 pH/mV/RmV/ORP/Temperature Portable Meter
Outputs USB, RS-232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Backlight Option Yes (Selectable)
Weight (English) 1.2 lb.
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV
Methods 10 per channel with password protection
Temperature Resolution 0.1°C, 0.1°F
9

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

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

10
Promotions Available

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
Resolution (pH) 0.1, 0.01, 0.001
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
11
Promotions Available

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
12
Promotions Available

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
Percent Saturation Range Polarographic DO 0 to 500%
Measurement Modes Dissolved Oxygen
Temperature Range (Metric) 0°C to 50°C
Range (DO) 0.000 to 50mg/L (ppm)
Channels 3
Resolution 0.001 (display)
13
Promotions Available

Mettler Toledo™ pH/Ion Meter SevenDirect SD50
GREENER_CHOICE

The SevenDirect SD50 is an accurate and flexible benchtop meter for the determination of pH, ORP and ion concentrations. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Temperature Accuracy ±0.1°C between 0°C and 100°C
Memory 2000 Standard Measurements
Resolution (pH) 0.1, 0.01, 0.001
Measurement Modes pH
Range (pH) -2.000 to 20.000
Accuracy (Ion) 0.5 %
Channels 1
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
Resolution (Ion) 3 or 4 digits (auto-range)
Temperature Range (English) -22°F to +266°F
Range (Ion) -2,000 to 20,000 pX, 0 to 999,999 mg/L (ppm)
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Temperature Resolution 0.1°C
14

Thermo Scientific™ Expert CTS Pocket Tester

Ensure accurate measurements of Conductivity, TDS, Salinity, and Temperature using the easy-to-use, large 4-digit display pocket tester for many applications.

15

Ohaus™ Starter ST20M-B Multi-Parameter Pen Meter

Compact design for fast, convenient electrochemistry readings. Measure conductivity, pH, temperature and TDS with the same meter. IP67, automatic temperature compensation, 3-point calibration and auto-off after 6 minutes of non-use.