Follow Us:
20 Years in Business
Ohaus Starter ST400-F Portable Durable Waterproof Battery-Operated pH Meter
Manufacturer: Ohaus
Model Number: 30468965
Our Price: $549.99
Free Shipping

More Information

Starter 400 Portable Water Analysis Meters are robust, lightweight, battery-operated units with waterproof housing, which makes them ideal for prolonged use in wet environments, and a rubber protective case fit for field testing. A rechargeable lithium battery ensures hours of trouble-free testing in the field. Intuitive software and an easy-to-view LCD allows for simple operation. A built-in USB port enables easy data transfer. If you have any questions, please give us a call at 800-355-2956.

Specifications and Features:
- Measurement Range: -1999 – 1999 mV;-2.00 – 16.00 pH;-5 °C – 110 °C
- Measurement Resolution: 0.01 pH;1 mV;0.1 °C
- Accuracy ± (mV): 1 mV
- Applications: pH, Oxidation-Reduction Potential (ORP) measurement
- 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
- Measurement Range: -1999 – 1999 mV; -2.00 – 16.00 pH; -5 °C – 110 °C
- Measurement Resolution: 0.01 pH; 1 mV; 0.1 °C
- Accuracy ± (mV): 1 mV
- Temperature Compensation: Automatic
- Working Environment: 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)
- Net Weight: 0.77 lb (0.35 kg)
- Accuracy: ±0.01 pH; ±1 mV; ±0.5 °C
- Accuracy ± (Temperature): 0.5 °C
- Battery Life: 40 Hours with Rechargeable Battery
- Dimensions (HxLxW): 1.57 in x 9.05 in x 3.94 in (40 mm x 230 mm x 100 mm)
- Measurement Range (Temperature): -5 °C – 110 °C
- Measurement Range: -1,999 mV – 1,999 mV
- pH accuracy (±): 0.01
- pH measuring range: -2 – 16
- pH resolution: 0.01
- Resolution (Voltage): 1 mV
- Temperature Resolution: 0.1 °C
- Temperature Sensor: 30 KO NTC


Balkowitsch Enterprises, Inc. was founded in November 1998. Since then we have grown into a multi-million dollar a year retail and online company and represent some of the finest product lines available. Our years of experience allow us to support a world-wide customer base. It is our goal to offer quality items at affordable prices and provide a level of customer service that is unparalleled.

If you have any questions or if we can be of any assistance, please contact us. We have sold over 750,000 items online and pride ourselves in customer service. We back everything we sell with our 100% guarantee.

Shane Balkowitsch is a Registered Nurse and manages all medical, health and wellness related product lines.

Balkowitsch Enterprises, Inc. stands behind every product that we sell. That is to say, if you purchase a product from us and are unhappy with it for any reason, return it for a 100% refund of the purchase price, less shipping. All items must be returned within 10 days of receipt.

For complete details please see our Return Policy link on our Sitemap page.


Balkowitsch Enterprises Inc.
800-355-2956 U.S. Toll Free
701-223-9936 Local
+1 011 701-223-9936 Int.
701-223-8984 Fax

4419 Centurion Drive
Bismarck, North
Follow Us:

Find Us

Balkowitsch Enterprises Inc.
800-355-2956 U.S. Toll Free
701-223-9936 Local
+1 011 701-223-9936 Int.
701-223-8984 Fax
design & programming by Armor Interactive
Search our store