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OHAUS pH Meters

Item #:ASPHMETEROHAUS 

1 year warranty

OHAUS pH Meters
 

ST2100-E

After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of benchtop pH meters. Starter 2100 is the economical choice for applications requiring simple pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Liquid crystal display (LCD)

Operation
AC adapter (included)

Communication
N/A

Construction
ABS housing, built-in electrode holder

Design Features
Auto buffer recognition, two-point calibration, quick reference guide

 

ST3100-F

Starter 3100 has many smart features that make it as intuitive as it is accurate for standard pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Backlit liquid crystal display (LCD)

Operation
AC adapter (included)

Communication
RS232 (included)

Construction
ABS housing, standalone electrode holder, replaceable in-use cover

Design Features
99 measurement memory, automatic and manual endpoint functions, automatic and manual temperature compensation, quick reference guide

 

ST5000-F

Starter 5000 provides accurate pH and ORP measurement for high-level experiments and research. Enhanced features, advanced technology, and high performance have been combined to support complex laboratory tasks requiring pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Backlit liquid crystal display (LCD), touchscreen

Operation
AC adapter (included)

Communication
RS232 and USB (included). GLP/GMP data output with real-time clock.

Construction
ABS housing, standalone electrode holder, replaceable in-use cover

Design Features
3 endpoint modes, continuous measurement mode, up to 9-point calibration, 1,000 measurement memory

 

Specifications

 Item No.

30057495

30058489

30129896

 Model

ST2100-E

ST3100-F

ST5000-F

Measurement Range

-2.00 to 16.00 pH; 
-1999 to 1999 mV; 
0 to 100°C

-2.00 to 16.00 pH;
-1999 to1999 mV; 
-5°C to 110°C

-2.00 to 20.00 pH;
-2000.00 to +2000.00 mV; 
-30 to 130°C

Accuracy

±0.01 pH;  ±1 mV; 
±0.5 °C

±0.01 pH;  ±1 mV; 
±0.5 °C

± 0.03% mV;  ± 0.002 pH; 
± 0.1 °C

Measurement Resolution

0.01 pH;  1 mV; 
0.1 °C

0.01 pH;  1 mV; 
0.1 °C

0.001 pH;  0.01 mV; 
0.1 °C

Display

LCD

LCD with backlight

N/A 

ATC

 N/A

N/A

Yes

Electrode

ST210 (Included)

ST310 (Included)

ST350 (Included)

Accuracy ± (mV)

1 mV

1 mV

0.03 mV

Accuracy ± (Temperature)

0.5 °C

0.5 °C

0.1 °C

Battery Life

Not Applicable

Not Applicable

N/A 

Calibration

2 Point

3 Point

9 Point

Meter Type

 N/A

N/A

pH;  ORP

Dimensions

3.07 in x 8.66 in x 6.89 in
(78 mm x 220 mm x 175 mm)

3.07 in x 8.66 in x 6.89 in
(78 mm x 220 mm x 175 mm)

N/A 

In-use cover

No

Included

Included

Measurement Range (Temperature)

0°C to 100°C

-5°C to 110°C

-30°C to 130°C

Measurement Range

-1,999 mV to 1,999 mV

-1,999 mV to 1,999 mV

 N/A

Net Weight

1.65 lb (0.75 kg)

1.65 lb (0.75 kg)

19.5 oz (550 g)

Parameter

pH / ORP

pH / ORP

pH / ORP

pH accuracy (±)

0.01

0.01

0.002

pH measuring range

-2 to 16

-2 to 16

-2 to 20

pH resolution

0.01

0.01

0.001

Power

AC Adapter (Included)

AC Adapter (Included)

AC Adapter (Included)

Resolution (Voltage)

1 mV

1 mV

N/A 

Temperature Display

 N/A

N/A

Yes

Temperature Compensation

Yes

Yes

Automatic

Temperature Resolution

0.1°C

0.1°C

0.1°C

Temperature Sensor

30 KΩ NTC

30 KΩ NTC

30 KΩ NTC

Working Environment

41°F to 104°F, 80%RH, non-condensing (5°C to 40°C, 80%RH, non-condensing)

41°F to 104°F, 80%RH, non-condensing (5°C to 40°C, 80%RH, non-condensing)

50°F to 104°F, 85%RH, non-condensing (10°C to 40°C, 85%RH, non-condensing)

Protection Rating

 N/A

N/A

IP54

SKU Number Probe Type Web Price Quantity Add to Cart
30057495 Basic Lab Applications
474.00
Each
30058489 High Peformance std lab applications
697.00
Each
30129896 High performance for high level experiments
1389.00
Each
OHAUS Meters
OHAUS pH Meters
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