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™ 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™ 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™ 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)