AquaSearcher™ AB41PH Bench Meter

An advanced, research-grade benchtop pH meter offering accurate, repeatable results.

The OHAUS AquaSearcher™ AB41PH bench meter is designed with reliable measurement and precise performance in mind. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind and can assist with compliance with 21 CFR Part 11 regulations.

• Applications
• pH, oxidation-reduction potential (ORP) with Temperature Measurements
• Display
• 6.5 In. Segment & Dot matrix LCD with backlight
• Operation
• Capacitive touch, ABS top housing, standalone electrode holder
• Communication
• RS232, USB Device (included), GLP/GMP data output with real-time clock
• Construction
• AC adapter (included)
• Design Features
• i-Steward, 3 endpoint modes, calibration due alarm, 1,000 measurement memory, ten most recent calibrations, password management

Specifications
 

Item #	30589830	30589831
Measurement Range	-2.000 to 20.000 pH;  -10.0ºC to 125.0ºC;  -2000.00 to +2000.00 mV
Measurement Resolution	0.1°C;  0.1 mV;  0.001 pH
Accuracy	±0.3°C;  ±0.3 mV;  ± 0.002 pH
Display	LCD with backlight & one-line dot matrix
Electrode	Not included	ST410 (Included)
Accuracy ± (mV)	0.3 mV
Accuracy ± (Temp.)	0.3ºC
Dimensions (D x W x H)	8.3 x 5.6  x 2 In. | 210 x 142 x 51 mm
Net Weight	1.1 lb | 0.5 kg
Parameter	pH / mV / ORP
pH accuracy (±)	0.002 (±)
Power	AC Adapter (Included)
Temp. Sensor	No	30 KΩ NTC
Work Environment	41 ºF to 104 ºF (5 °C to 40 °C), 80% RH, Non-condensing

 

AquaSearcher™ AB33PH Bench Meter

Highly reliable and user-friendly pH benchtop meter for standard laboratory applications.

The next step in the evolution of OHAUS’ original Starter Series, the all-new AquaSearcher™ AB33PH bench meter is designed to be reliable, efficient, and user-friendly. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The large LCD display and touch keypad make changing the parameters, executing setup, and performing calibration as simple as using a smartphone.

• Applications
• pH, oxidation-reduction potential (ORP) with Temperature Measurements
• Display
• 6.5 In. Segment & Dot matrix LCD with backlight
• Operation
• Capacitive touch, ABS top housing, standalone electrode holder
• Communication
• RS232, USB Device (included)
• Construction
• AC adapter (included)
• Design Features
• i-Steward, Calibration due alarm, 1,000 measurement memory

Specifications
 

Item #	30589826	30589827
Measurement Range	-5°C to 110°C;  -2000.00 to +2000.00 mV;  -2.00 to 16.00 pH
Measurement Resolution	0.1°C;  1 mV;  0.01 pH
Accuracy	±0.5°C;  ±1 mV;  ±0.01 pH
Display	LCD with backlight & one-line dot matrix
Electrode	Not included	ST310 (Included)
Accuracy ± (mV)	1 mV
Accuracy ± (Temp.)	0.5°C
Dims (D x W x H)	8.3 x 5.6 x 2 In. | 210 x 142 x 51 mm
Net Weight	1.1 lb | 0.5 kg
Parameter	pH / mV / ORP
pH Accuracy (±)	0.01
Power	AC Adapter (Included)
Temp. Sensor	No	N/A
Work Environment	41ºF to 104ºF (5ºC to 40ºC), 80% RH, Non-condensing

 

AquaSearcher™ AB33EC Bench Meter

Highly reliable conductivity/TDS/salinity/resistivity benchtop meter for wide conductivity range.

The AquaSearcher™ AB33EC bench meter is designed with reliable measurement and user interface in mind. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The 6.5 In. LCD display and touch keypad make changing the parameters, executing setup, and performing calibration as simple as using a smartphone.

• Applications
• Conductivity, Total Dissolved Solids (TDS), Salinity, and Resistivity with Temperature Measurements
• Display
• 6.5 In. Segment & Dot matrix LCD with backlight
• Operation
• Capacitive touch, ABS top housing, standalone electrode holder
• Communication
• RS232, USB Device (included)
• Construction
• AC adapter (included)
• Design Features
• i-Steward, Calibration due alarm, 1,000 measurement memory

Specifications
 

Item #	30589828	30589829
Accuracy	± 0.5 % Reading ± 2 LSD
Display	LCD with backlight & one-line dot matrix
Electrode	Not included	STCON7 (Included)
Conductivity Accuracy (±)	0.50%
Conductivity Measuring Range	0.001 to 1000 mS/cm
Dims (D x W x H)	8.3 x 5.6 x 2 In. | 210 x 142 x 51 mm
Net Weight	1.1 lb | 0.5 kg
Parameter	Cond.
Power	AC Adapter (Included)
Resistivity Measuring Range	1 Ohm to 100 MOhm
Resistivity Resolution	0.01 Ohm
Temp. Resolution	0.3°C
Temp. Sensor	No	N/A
Work Environment	41ºF to 104ºF (5ºC to 40ºC), 80% RH, Non-condensing

 

AquaSearcher™ AB33M1 Bench Meter

Easy-to-use and accurate multi-parameter benchtop meter.

The AquaSearcher™ AB33M1 multi-parameter bench meter is designed with reliable measurement and user interface in mind. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The 6.5 In. LCD display and touch keypad make changing the parameters, executing setup, and performing calibration as simple as using a smartphone.

• Applications
• pH, Oxidation-Reduction Potential (ORP), Conductivity, Total Dissolved Solids (TDS), Salinity, and Resistivity with Temperature Measurements
• Display
• 6.5 In. Segment & Dot matrix LCD with backlight
• Operation
• Capacitive touch, ABS top housing, standalone electrode holder
• Communication
• RS232, USB Device (included)
• Construction
• AC adapter (included)
• Design Features
• i-Steward, Two Independent Channels, Calibration due alarm, 1,000 measurement memory

Specifications
 

Item #	30589824	30589825
Measurement Range	-5°C to 110°C;  -2000.00 to +2000.00 mV;  -2.00 to 20.00 pH
Measurement Resolution	0.1°C;  0.1 mV;  0.01 pH
Accuracy	±0.3°C;  ±0.5 mV;   ±0.01 pH
Display	LCD with backlight & one-line dot matrix
Electrode	Not included	ST310 (Included);  STCON3 (Included)
Accuracy ± (mV)	0.5 mV
Accuracy ± (Temp.)	0.3°C
Conductivity Accuracy (±)	0.50%
Conductivity Measuring Range	0.01 – 500 mS / cm
Dims (D x W x H)	8.3 x 5.6 x 2 In. | 210 x 142 x 51 mm
Net Weight	1.1 lb | 0.5 kg
Parameter	pH / Cond.
pH Accuracy (±)	0.01
Power	AC Adapter (Included)
Resistivity Measuring Range	2 Ohm to 100 MOhm
Resistivity Resolution	0.01 Ohm
Temp. Sensor	No	N/A
Work Environment	41ºF to 104ºF (5ºC to 40ºC), 80% RH, Non-condensing

 

AquaSearcher™ AB23PH Bench Meter

Designed with a large LCD Display and six instructional menu buttons, AB23PH is a simple pH meter. Auto buffer recognition and 3-point calibration capability ensure a reliable calibration result. Stand-alone holder increases the flexibility for routine experiments, and makes AB23PH a perfect space-saving bench meter for your lab. A 99-item memory for pH measurements ensures efficient data documentation.

• Applications
• pH, oxidation-reduction potential (ORP) with Temperature Measurements
• Display
• 5 inch segment LCD with backlight
• Operation
• AC adapter (included)
• Communication
• N/A
• Construction
• ABS housing, mechanical keys, built-in electrode holder
• Design Features
• Auto buffer recognition, two-point calibration, electrode condition icon  

Includes

• Power Cord
• AB23PH Benchtop Meter
• ST322 pH Electrode
• Stand-Alone Electrode Holder
• pH Mini Buffer Kit (4 x 50 mL) 

Don’t forget to check out our PR1MA Buffers!
 

Specifications
 

Measurement Range	0 - 100ºC 0.00 - 14.00 pH -1999 - 1999 mV
Measurement Resolution	0.1ºC 0.01 pH 1 mV
Accuracy	±0.5ºC ±0.01 pH ±1 mV
Dimensions (D x W x H)	8.3 x 5.6 x 2 In. 210 x 142 x 51 mm
Net weight	0.8 lb. | 0.38 kg.
Display	LCD w/ backlight
Electrode	ST322 (Included)
Parameter	pH / ORP
Power	AC Adapter (Included)

 

OHAUS MB92 Moisture Analyzer

High performance moisture analysis with advanced features for the most demanding application.

The MB92 features a redesigned housing, innovative carbon fiber heating, and upgraded load cell for enhanced durability and performance. Ideal for users demanding a higher level of performance on both the laboratory and production floor, offering greater data security and integrity with password protection.

• Applications
• Percent Moisture Determination, Percent Moisture Regain Determination, Percent Solid Determination, Weighing
• Display
• 4.3 In. capacitive touch screen
• Operation
• Internal power supply with power cord (included)
• Communication
• RS232, USB device, USB host
• Construction
• Carbon fiber heat source, PBT housing, die casting aluminum base, metal pan support, metal pan handler, in use cover
• Design Features
• Eight shut-off criteria (manual, timed, A10, A30, A60, A90, A160, free mg/s), four drying profiles (standard, fast, ramp, step), storage up to 20 methods and 200 results for all methods, 40 to 200ºC heating range, multiple operational languages 

Specifications
 

Maximum Capacity	90 g
Readability Moisture Content	1 mg / 0.01%
Pan Size	3.5 In. | 90 mm
Heater Type	Carbon fiber
Communication	USB device;  RS232;  USB Host
Recommended Moisture Content	0.5 % to 100 %
Adjustment	Temp. Adjustment - Mechanical (100ºC, 160ºC);  Weight Adjustment - External (50g)
Dimensions (D x W x H)	13.9 x 8.3 x 5.4 In. | 352 x 210 x 138 mm
Display	4.3 In. capacitive touch screen
Display Results	RG%;  Temp;  Drying Curve;  DC%;  Time;  Method Name;  Stats;  MC%;  Weight
Heating Profiles	Ramp;  Standard;  Step;  Fast
ID Management	Sample Name;  Sample ID;  Batch ID
In-Use Cover	Included
Moisture Range	0.01 % to 100 %
Net Weight	9.5 lb | 4.3 kg
Operating Range (Temp.)	10°C to 40°C
Operation Instructions	Live Drying Curve;  On-screen Instruction
Repeatability	0.08% (3g sample);  0.015% (10g sample)
Shut-Off Criteria	Timed;  5 Auto;  Manual;  Custom - User Set Weight Loss/Time
Status Light	Multi-color status light
Stored Results	200
Temperature Range	40°C to 200°C
Test Library	20

 

OHAUS MB120 Moisture Analyzer

Faster, smarter, more efficient moisture analysis.

Accurate determination of the moisture content of samples is important. Equipped to handle routine and sophisticated measurements, our flagship moisture analyzer MB120 makes the whole process faster, easier, and more efficient. The MB120 allows you to analyze more samples, access saved data, and spend less time prepping and more time putting your results to work.

• Applications
• Percent Moisture Determination, Percent Moisture Regain Determination, Percent Solid Determination, Weighing
• Display
• 4.3 In. TFT color touchscreen display
• Operation
• Power cord (included)
• Communication
• RS232 with GLP/GMP data output, USB Host and USB Device (included)
• Construction
• Metal base, ABS top housing, halogen heat source, stainless steel pan support, stainless steel pan handler, in-use cover
• Design Features
• Seven shut-off criteria (manual, timed, autofree %/s, autofree mg/s, A30, A60 and A90), four drying profiles (standard, fast, ramp and step), storage up to 100 methods and 1000 test results for all methods, user guide, 40°C to 230°C heating temperature range (1°C increments), 14 operational languages   

Specifications
 

Maximum Capacity	120 g
Readability Moisture Content	1 mg / 0.01%
Pan Size	3.5 In. | 90 mm
Heater Type	Halogen Lamp
Communication	USB device;  USB host x 2;  RS232
Dimensions (D x W x H)	13.98 x 8.31 x 7.09 In. | 355 x 211 x 180 mm
Display	Full-Color 4.3 In. Touchscreen WQVGA
Heating Profiles	Ramp;  Standard;  Step;  Fast
In-Use Cover	Included
Moisture Range	0 % to 100 %
Net Weight	11.53 lb | 5.23 kg
Operating Range (Temp.)	10 ºC to 40 ºC
Power	115 v, 60 Hz
Sample Size	0.5 g to 120 g
Shut-Off Criteria	Timed; Manual; Custom - User Set Weight Loss/Time; Custom - User Set Moisture% Loss/Time; Automatic - Preset Weight Loss/Time
Temperature Range	40ºC to 230ºC
Test Library	100
Units of Measurement	%DC;  Gram;  %RG;  %MC
Working Environment	50°F to 104°F (10°C to 40°C), 85%RH, non-condensing

 

OHAUS MB32 Moisture Analyzer

Perfect for routine moisture testing.

MB32 features a redesigned housing with stronger material, innovative carbon fiber heating technology, and an upgraded load cell for enhanced durability and performance.

• Applications
• Percent Moisture Determination, Percent Moisture Regain Determination, Percent Solid Determination, Weighing
• Display
• 4 In. LCD with 2nd line display
• Operation
• Internal power supply with power cord (included)
• Communication
• RS232, USB device
• Construction
• Carbon fiber heat source, PBT housing, die-casting aluminum base, metal pan support, metal pan handler, in-use cover
• Design Features
• Five shut-off criteria (manual, timed, Auto, A30, A90), two drying profiles (standard and fast), storage up to two methods, 40 to 180ºC heating range, multiple operational languages

Specifications   
 

Maximum Capacity	90 g
Readability Moisture Content	1 mg / 0.01%
Pan Size	3.5 In. | 90 mm
Heater Type	Carbon fiber
Communication	USB device;  RS232
Recommended Moisture Content MC%	0.5 % to 100 %
Adjustment	Temp. Adjustment - Mechanical (100ºC, 160ºC);  Weight Adjustment - External (50g)
Dimensions (D x W x H)	13.9 x 8.3 x 5.4 In. | 352 x 210 x 138 mm
Display	4 In. LCD with 2nd line display
Display Results	RG%;  Temperature;  DC%;  Time;  Method No.;  MC%;  Weight
Heating Profiles	Standard;  Fast
In-Use Cover	Included
Moisture Range	0.01 % to 100 %
Net Weight	9.5 lb | 4.3 kg
Operating Range (Temp.)	10ºC to 40ºC
Operation Instructions	On-screen Instruction;  Progress Indicator
Repeatability	0.02% (10g sample);  0.15% (3g sample)
Shut-Off Criteria	3 Auto;  Timed;  Manual
Temp. Range	40ºC to 180ºC
Test Library	2

 

OHAUS MB23 Moisture Analyzer

Outstanding performance, flexible configuration, and reliable results.

The MB23 provides precise moisture content determination at an unbeatable value. With a large backlit LCD display, standard RS232 port, 110 g capacity with a readability of 0.01 g / 0.1%, and a non-glass infrared heating element, the MB23 offers moisture analysis for any budget.

• Applications
• Percent Moisture Determination, Percent Solid Determination, Weighing
• Display
• Backlit liquid crystal display (LCD)
• Operation
• Power cord (included)
• Communication
• RS232 (included)
• Construction
• Infrared heat source, ABS housing, metal pan support, metal pan handler, in-use cover
• Design Features
• 3 shut off criteria (manual, timed, or auto), 1 standard heating profile, 50°C to 160ºC heating range (5°C increments) 

Specifications   
 

Maximum Capacity	110 g
Readability Moisture Content	10 mg / 0.1%
Pan Size	3.5 In. | 90 mm
Heater Type	Infrared Coil
Communication	RS232 (Included)
Dimensions (D x W x H)	11 x 6.5 x 5 In. | 280 x 165 x 127 mm
Display	Backlit LCD
In-Use Cover	Included
Net Weight	5 lb | 2.3 kg
Power	AC Power (Included)
Repeatability, typical	0.002 g
Shut-Off Criteria	Timed;  Manual;  Automatic - Preset Weight Loss/Time
Temperature Range	50ºC to 160ºC
Units of Measurement	Gram
Work Environment	50°F to 104°F (10°C to 40°C), 80% RH, non-condensing

 

OHAUS MB62 Moisture Analyzer

Designed for durability and flexible performance in a variety of moisture applications.

MB62 features a redesigned housing, innovative carbon fiber heating, and upgraded load cell for enhanced durability and performance. With flexibility in method creation, settings, and data access, MB62 is suitable for a variety of moisture applications in numerous industries.

• Applications
• Percent Moisture Determination, Percent Moisture Regain Determination, Percent Solid Determination, Weighing
• Display
• 5 In. LCD with 2nd line display
• Operation
• Internal power supply with power cord (included)
• Communication
• RS232, USB device
• Construction
• Carbon fiber heat source, PBT housing, die-casting aluminum base, metal pan support, metal pan handler, in-use cover
• Design Features
• Seven shut-off criteria (manual, timed, A10, A30, A60, A90, A160), four drying profiles (standard, fast, ramp, step), storage up to 20 methods and 100 results for all methods, 10 sample ID, 40 to 200ºC heating range, multiple operational languages

Specifications
 

Maximum Capacity	90 g
Readability Moisture Content	1 mg / 0.01%
Pan Size	3.5 In. | 90 mm
Heater Type	Carbon fiber
Communication	USB device;  RS232
Recommended Moisture Content	0.5 % to 100 %
Adjustment	Temp. Adjustment - Mechanical (100ºC, 160ºC);  Weight Adjustment - External (50g)
Dimensions (D x W x H)	13.9 x 8.3 x 5.4 In. | 352 x 210 x 138 mm
Display	5 In. LCD with 2nd line display
Display Results	RG%;  Temperature;  DC%;  Time;  Method No.;  MC%;  Weight
Heating Profiles	Ramp;  Standard;  Step;  Fast
ID Management	Sample ID
In-Use Cover	Included
Moisture Range	0.01 % to 100 %
Net Weight	9.5 lb | 4.3 kg
Operating Range (Temp.)	10ºC to 40ºC
Operation Instructions	Graphic Instruction;  On-screen Instruction;  Progress Indicator
Repeatability	0.018% (10g sample);  0.10% (3g sample)
Shut-Off Criteria	Timed;  5 Auto;  Manual
Status Light	Multi-color status light
Stored Results	100
Temp. Range	40ºC to 200ºC
Test Library	20

 

OHAUS Starter Portable Multi-Parameter pH Meters

Durable, Waterproof Battery-Operated Multi-Parameter Meters Ideal for Field Testing.

Starter 400M Multi Parameter Portable Water Analysis Meters are robust, lightweight, battery-operated units with waterproof housing, which are ideal for testing pH, conductivity, TDS, salinity and resistivity in wet environments. A rechargeable lithium battery ensures hours of trouble-free testing in the field. Intuitive software and an easy-to-view LCD allow for simple operation. A built-in USB port enables easy data transfer.

• Applications
• pH, Conductivity, TDS, Salinity and Resistivity Testing
• Display
• Backlit Liquid Crystal Display (LCD)
• Operation
• Rechargeable lithium battery
• Communication
• Built-in micro-USB port
• Construction
• IP67 waterproof plastic housing, IP67 probes, rubber cover
• Design Features
• Data storage of up to 1000 items 

Specifications
 

30468990	30468991	30468992
400M Meter with IP67 Rubber Housing, Electrode Clip, Wrist Strap and 4 AAA Batteries (Probes Not Included)	ST400M-B with ST320 IP67 3m and STCON3 IP67 3m probes	ST400M-F with Portable Bag

 

Measurement Range	0-20 MΩ•cm | -5 °C to 110 °C | -2.00 to 16.00 pH | 00.0 μS/cm to 199.9 mS/cm  0.1 mg/L to 199.9 g/L (TDS) | -1999 to 1999 mV | 0-99.9 psu
Measurement Resolution	0.01 mg/L |  0.01 psu |  0.1 °C | 0.1 μs/cm | 0.01 pH | 0.01 Ω•cm | 1 mV
Accuracy	± 0.5 % F.S.; ±0.3 °C; ±1 mV; ±0.01 pH
Display	LCD Backlit Display
Electrode	ST320 IP67 3m | STCON3 IP67 3m | *Not included with Item # 30468991
mV Accuracy	± 1 mV
Temp. Accuracy	± 0.3 °C
Battery Life	40 Hours with Rechargeable Battery
Conductivity Accuracy	± 0.5%
Conductivity Range	0.01 μS/cm to 199.9 mS/cm
Dimensions (D x W x H)	9.05 x 1.57 x 3.94 In. | 230 x 40 x 100 mm
Temp. Range	-5 °C to 110 °C
Measurement Range	-1,999 mV to 1,999 mV
Net Weight	0.77 lb | 0.35 kg
pH Accuracy	± 0.01
pH Measuring Range	-2 to 16
pH Resolution	0.01
Resistivity Measuring Range	0 MOhm to 20 MOhm
Resistivity Resolution	0.01 MOhm
Resolution Cond.	0.1 to 199.9 (Variable)
Resolution	1 mV (Voltage)
Temp. compensation	Automatic
Temp. resolution	0.1 °C
Temp. Sensor	30 KΩ NTC
Work Environment	41°F to 104°F (5°C to 40°C), 80% RH, Non-condensing

OHAUS Starter Portable pH Meter

After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable pH meter. This portable meter offers convenience, reliability and durability in one compact design.

• Applications
• pH, oxidation-reduction potential (ORP) measurement
• Display
• Liquid crystal display (LCD)
• Operation
• 4 AAA batteries (included)
• Communication
• N/A
• Construction
• ABS housing, wrist strap
• Design Features
• Automatic and manual temperature compensation, auto buffer recognition, calibration icon

Specifications
 

83033961	83033962	30219114
ST300-B, ST322 3-in-1 Plastic Gel pH Electrode, and pH Buffer Powder Sachet	300 Meter with IP54 Sets, Electrode Clip, Wrist Strap and 4 AAA Batteries (Electrode Not Included)	ST300-B, ST322 3-in-1 Plastic Gel pH Electrode, pH Buffer Powder Sachet (4.01, 7.00, 10.01), Portable Bag

 

Item #	83033961	83033962	30219114
Measurement Range	0 – 100°C;  0.00 – 14.00 pH;  -1999 – 1999 mV
Measurement Resolution	0.1 °C;  0.01 pH;  1 mV
Accuracy	±0.5 °C;  ±1 mV;  ±0.01 pH
Display	LCD
Electrode	ST322(Included)	ST320 (As Accessory)	ST322(Included)
Accuracy ± (mV)	1 mV
Accuracy ± (Temp.)	0.5 °C
Battery Life	500 Hours with Disposable Batteries
Calibration	3 Point
Dims (D x W x H)	6.69 in x 3.54 x 1.38 In. | 170 x 35 x 90 mm
In-Use Cover	No
Measurement Range (Temp.)	0°C to 100°C
Measurement Range (mV)	-1,999 mV to 1,999 mV
Net Weight	0.35 lb | 0.16 kg
Parameter	pH / ORP
pH Accuracy (±)	0.01
pH Measuring Range	0 to 14
pH Resolution	0.01
Power	4 AAA (LR03) Batteries (Included)
Resolution (Voltage)	1 mV
Temp. Compensation	Yes		Automatic
Temp. Resolution	0.1 °C
Temp. Sensor	30 KΩ NTC
Work Environment	41°F to 104°F (5°C to 40°C), 80% RH, Non-condensing