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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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.

Pricing & Availability
Specifications

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

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Mettler Toledo™ pH/Ion Meter SevenDirect SD50

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.

Pricing & Availability
Specifications

Temperature Accuracy	±0.1°C between 0°C and 100°C
Memory	2000 Standard Measurements
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

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

Accurate measurements any time, anywhere

Pricing & Availability
Specifications

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

Thermo Scientific™ Orion™ Pro Star MP218 pH/ion, Conductivity and DO Bench Meter

Designed to provide accurate and reliable pH, ORP, ion, conductivity, TDS, salinity, resistivity, DO, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star MP218 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Pricing & Availability
Specifications

Salinity Measurement Modes	Natural Seawater (ppt), Practical Salinity Units (PSU), or % NaCl
Resolution (Polarographic DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Pressure Range	400.0 to 850.0 mmHg; 0.533 to 1.133 bar
Range (Resistivity)	1.0Ω to 100.0 MΩ
Memory	Non-volatile
Advanced ISE Functions	Single known addition, single known subtraction, double known addition, double known subtraction, analyte addition and analyte subtraction
Languages	Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Measurement Modes	pH,ORP,mV,Ion Concentration (ISE),Conductivity,Dissolved Oxygen (mg/L),Temperature,Barometric Pressure
Resolution (ISE)	0.0001 minimum, 1 to 5 digits
Barometric Pressure Correction	Yes, automatic with built-in barometer or manual
Display Type	7-in. High-resolution Color Graphic LCD
Resolution (mV)	0.1 mV
Resolution (Ion)	0.0001 minimum, 1 to 5 digits
Data Points	10,000 with Date and Time Stamp
Calibration Modes	Water-saturated air (100% and 0% saturation), air-saturated water (100% and 0% saturation) or custom concentration value (Winkler)
Temperature Probe Calibration	1 or 2 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Probe Type	Polarographic or optical DO electrode
Salinity Factor	0.0 to 50.0 ppt; automatic with conductivity measurement or manual entry
Accuracy (mV)	±0.2 mV or ±0.05% of the reading, whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of the reading, whichever is greater
Warranty	2 year meter warranty
Temperature Accuracy	±0.3°C, ±0.5°F
Calibration Points (ISE)	Up to 5
Resolution (Conductivity)	0.001 μS/cm minimum, auto-ranging, up to 4 digits
Range (Conductivity)	0.010 μS/cm to 3000 mS/cm
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Range (RDO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Dimensions (L x W x H)	218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
Accuracy (TDS)	±0.5% reading
Temperature Selection	Automatic with ATC temperature sensor, ambient or manual
Percent Saturation Range (RDO)	0.0 to 600.0% saturation
Keypad	Capacitive touchscreen user interface
Outputs	USB flash drive, computer or printer (STARA-106)
Temperature Range (English)	-22.0°F to +266.0°F
Range (Relative mV)	-2000 to 2000 mV
Calibration Points (pH)	1 to 5 points
Backlight Option	Yes
Percent Saturation Relative Accuracy (RDO)	±2% saturation
Range (Polarographic DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Range (mV)	-2000 to 2000 mV
Accuracy (Barometer)	±6.0 mmHg; ±0.008 bar
Range (ORP)	-2000 to 2000 mV
Methods	10 per channel (30 total)
Cell Constant	0.100 cm-1, 0.475 cm-1, 0.550 cm-1, 1.000 cm-1, 10.00 cm-1 or user-defined from 0.001 to 199.9 cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25 or 30°C
Range (pH)	-2 to 20
TDS Factor Range	Linear (0.01 to 10.00), ISO/EN 27888, 442, NaCl
Channels	3
Accuracy (pH)	±0.002 pH
Range (ISE)	0.0001 to 19999
Range (Salinity)	0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl
Resolution (RDO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Temperature Compensation	Linear (0.00 to 10.00 %/°C), nLFn (non-linear natural water), nLFu (non-linear ultra-pure water), EP/USP or off
Accuracy (Salinity)	±0.5% reading
Resolution (Salinity)	0.001 ppt minimum; 0.01 PSU minimum; or 0.01% NaCl minimum, auto-ranging
Percent Saturation Resolution (RDO)	0.1, 1% saturation
Accuracy (Conductivity)	±0.5% reading
Resolution (DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Percent Saturation Relative Accuracy (Polarographic DO)	±2% saturation
Inputs	Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: 8-pin MiniDIN for conductivity with ATC; Channel 3: 9-pin MiniDIN for dissolved oxygen with ATC
Weight (Metric)	1.00 kg
Resolution (ORP)	0.1 mV
Calibration Points (Conductivity)	1 to 5 points
Accuracy (DO)	±2% saturation; ±0.02 mg/L or ppm
Resolution (Resistivity)	0.1 Ωminimum, auto-ranging
Isopotential Point	7.000 pH; 1.000 ion concentration
Accuracy (Polarographic DO)	±2% saturation; ±0.02 mg/L or ppm
Accuracy (Resistivity)	±0.5% reading
AC Adapter	Universal 100-240 V 50/60 Hz power supply with wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Range (TDS)	0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00)
Resolution (TDS)	0.001 ppm or mg/L minimum, auto-ranging, up to 4 digits
Calibration	pH, ORP, Ion Concentration, Conductivity, TDS, Salinity, DO, Barometric Pressure, Temperature
Accuracy (ORP)	±0.2 mV or ±0.05% of the reading, whichever is greater
Calibration Points	1 to 5 (pH), 1 (ORP), 1 to 5 (ion), 1 to 5 (conductivity), 1 to 5 (TDS), 1 (salinity), 1 to 2 (DO), 1 (barometer), 1 to 2 (temperature)
Alarm Output	Calibration reminder alarm, high and low limit alarm per parameter
IP Rating	IP54
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
Weight (English)	2.20 lbs.
Range (Ion)	0.0001 to 19999
Temperature Range (Metric)	-30.0°C to +130.0°C
Range (DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Percent Saturation Range (Polarographic DO)	0.0 to 600.0% saturation
Temperature Resolution	0.1°C, 0.1°F
Accuracy (RDO)	±2% saturation; ±0.02 mg/L or ppm

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

Get premium performance and ultimate flexibility with our benchtop meter with pH/ISE module for pH, ion concentration, and temperature.

Pricing & Availability
Specifications

Power Rating	DC input: 9VDC, 1A
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions	Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Range (pH)	-2 to 20
Resolution (ISE)	0.0001 minimum, 1 to 4 significant digits (user selectable)
Channels	4 (Customizable with modules)
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
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
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE)	±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
Calibration Points (ISE)	1 to 6
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH (adjustable), 1.000 ISE (adjustable)
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Relative Humidity Range	5 to 85 %, non-condensing
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
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
Temperature Selection	Manual or automatic with ATC temperature probe
IP Rating	IP54
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
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
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel
Temperature Resolution	0.1°C, 0.1°F

Thermo Scientific™ Orion™ Pro Star PD216 pH/ion and DO Bench Meter

Designed to provide accurate and reliable pH, ORP, ion concentration, dissolved oxygen, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PD216 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Pricing & Availability
Specifications

Resolution (Polarographic DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Pressure Range	400.0 to 850.0 mmHg; 0.533 to 1.133 bar
Memory	Non-volatile
Advanced ISE Functions	Single known addition, single known subtraction, double known addition, double known subtraction, analyte addition and analyte subtraction
Languages	Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Measurement Modes	pH,ORP,mV,Ion Concentration (ISE),Dissolved Oxygen (mg/L),Dissolved Oxygen (% Saturation),Temperature,Barometric Pressure
Resolution (ISE)	0.0001 minimum, 1 to 5 digits
Barometric Pressure Correction	Yes, automatic with built-in barometer or manual
Display Type	7-in. High-resolution Color Graphic LCD
Resolution (mV)	0.1 mV
Resolution (Ion)	0.0001 minimum, 1 to 5 digits
Data Points	10,000 with Date and Time Stamp
Calibration Modes	Water-saturated air (100% and 0% saturation), air-saturated water (100% and 0% saturation) or custom concentration value (Winkler)
Temperature Probe Calibration	1 or 2 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Probe Type	Polarographic or optical DO electrode
Salinity Factor	0.0 to 50.0 ppt
Accuracy (mV)	±0.2 mV or ±0.05% of the reading, whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of the reading, whichever is greater
Warranty	2 year meter warranty
Temperature Accuracy	±0.3°C, ±0.5°F
Calibration Points (ISE)	Up to 5
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Range (RDO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Dimensions (L x W x H)	218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
Temperature Selection	Automatic with ATC temperature sensor, ambient or manual
Percent Saturation Range (RDO)	0.0 to 600.0% saturation
Keypad	Capacitive touchscreen user interface
Outputs	USB flash drive, computer or printer (STARA-106)
Temperature Range (English)	-22.0°F to +266.0°F
Range (Relative mV)	-2000 to 2000 mV
Calibration Points (pH)	1 to 5 points
Backlight Option	Yes
Percent Saturation Relative Accuracy (RDO)	±2% saturation
Range (Polarographic DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Range (mV)	-2000 to 2000 mV
Accuracy (Barometer)	±6.0 mmHg; ±0.008 bar
Range (ORP)	-2000 to 2000 mV
Methods	10 per channel (20 total)
Range (pH)	-2 to 20
Channels	2
Accuracy (pH)	±0.002 pH
Range (ISE)	0.0001 to 19999
Resolution (RDO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Percent Saturation Resolution (RDO)	0.1, 1% saturation
Resolution (DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Percent Saturation Relative Accuracy (Polarographic DO)	±2% saturation
Inputs	Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: 9-pin MiniDIN for dissolved oxygen with ATC
Weight (Metric)	1.00 kg
Resolution (ORP)	0.1 mV
Accuracy (DO)	±2% saturation; ±0.02 mg/L or ppm
Isopotential Point	7.000 pH; 1.000 ion concentration
Accuracy (Polarographic DO)	±2% saturation; ±0.02 mg/L or ppm
AC Adapter	Universal 100-240 V 50/60 Hz power supply with wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Calibration	pH, ORP, Ion Concentration, DO, Barometric Pressure, Temperature
Accuracy (ORP)	±0.2 mV or ±0.05% of the reading, whichever is greater
Calibration Points	1 to 5 (pH), 1 (ORP), 1 to 5 (ion), 1 to 2 (DO), 1 (barometer), 1 to 2 (temperature)
Alarm Output	Calibration reminder alarm, high and low limit alarm per parameter
IP Rating	IP54
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
Weight (English)	2.20 lbs.
Range (Ion)	0.0001 to 19999
Temperature Range (Metric)	-30.0°C to +130.0°C
Range (DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Percent Saturation Range (Polarographic DO)	0.0 to 600.0% saturation
Temperature Resolution	0.1°C, 0.1°F
Accuracy (RDO)	±2% saturation; ±0.02 mg/L or ppm

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.

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

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

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Thermo Scientific™ Expert pH Pocket Tester

Perform on-the-go, fuss-free measurements for applications such as water treatment, environmental monitoring, education, hydroponics, agriculture, aquaculture, food & beverage and many more!

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Thermo Scientific™ Orion Star™ A221 Portable pH Meter

Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.

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Thermo Scientific™ Orion Star™ A321 pH Portable Meter PROMO

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

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Mettler Toledo™ pH/Ion Meter NineFocus™ NF5000™

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

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Mettler Toledo™ Seven2Go S7 Conductivity Meter

The Seven2Go portables are engineered to provide users with fast quality data, one-handed operation, and durability, making them ideally suited for mobile applications in the laboratory, at-line, and outdoors.

Pricing & Availability
Specifications

Range (Resistivity)	0.00 to 100.0 Mohm/cm
Measurement Modes	Conductivity
Cell Constant	Manual entry
Range (pH)	0 to 14
Channels	1
Range (Salinity)	0.00 to 42 psu
Temperature Compensation	Automatic or Manual
Battery Life	200 to 250 hr.
Display Type	Color Graphic
Accuracy (Salinity)	±0.5%
Resolution (Salinity)	0.01 to 0.1
Accuracy (Conductivity)	±0.5%
Certifications/Compliance	ISO 9001:2000
Inputs	LTW 7-pin (sensor)
Weight (Metric)	290 g
Resolution (Conductivity)	0.01
Range (Conductivity)	0.01 μS/cm to 1000 mS/cm
Range (TDS)	0.01 mg/L to 600 g/L
Resolution (TDS)	0.01 to 1
Battery Type	4 x 1.5 V AA or 1.3 V NiMH acc.
Calibration Points	1
Dimensions (L x W x H)	222 x 70 x 35 mm
Accuracy (TDS)	±0.5%
IP Rating	IP67
Model	Single channel; conductivity, TDS, salinity
Temperature Range (Metric)	-5°C to +105°C

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Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter Kit with pH and Conductivity Modules PROMO

The Thermo Scientific™ Orion VERSA STAR pH/Conductivity Multiparameter Benchtop Meter is your meter as you need it — for now and later.

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Thermo Scientific™ Orion Star™ A324 pH/ISE Portable Multiparameter Meter

Accurately monitor pH, ion concentration, mV, ORP and temperature with our pH/ISE portable meter for challenging field testing.

Pricing & Availability
Specifications

Memory	Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions	Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Resolution (ISE)	0.0001 minimum, 1 to 3 significant digits (user selectable)
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
Accuracy (ISE)	±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
Calibration Points (ISE)	1 to 5
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.)
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
Range (pH)	-2 to 20
Channels	1
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
Inputs	BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric)	0.5 kg
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)
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
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 A324 pH/ISE/mV/RmV/ORP/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

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Mettler Toledo™ pH/Ion Meter SevenDirect SD50 Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Mettler Toledo™ pH/Ion Meter SevenDirect SD50