Orion™ Star™ A123 Dissolved Oxygen Portable Meter, Thermo Scientific

: Thermo Fisher Scientific

Take simple dissolved oxygen and temperature measurements with the Orion™ Star™ A123 DO Portable Meter with easy operation for basic field testing.

Measure dissolved oxygen in percent saturation or mg/L with temperature using polarographic DO probes
Calibrate using water-saturated air or custom value (Winkler titration)
Automatically compensate DO readings using ATC temperature, manual salinity input, and manual barometric pressure
Simplified, easy-to-read display shows main measurement with temperature, stability indicator, and electrode condition icon
Easily recall calibration data for procedure checks
Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
Three-year meter warranty

Take simple, routine dissolved oxygen and temperature measurements with the Orion™ Star™ A123 Dissolved Oxygen Portable Meter, an easy-to-use and budget-friendly instrument for basic dissolved oxygen analysis in the field.

These meters are a simple, economical solution for routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes, and measurement stability indicator, the basic Orion™ Star™ A123 dissolved oxygen meters are designed to deliver measurements users can trust at an affordable price. Flexible power options with AA batteries or optional universal power adapter.

Calibrate polarographic DO probes using water-saturated air or custom value using Winkler titration. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. Use the included electrode stand to easily place sensors in samples and simplify storage. The IP67-rated housing is waterproof for rugged field operation.

: CE, TUV 3-1, FCC Class A.

: For compatible DO probe, see Orion™ item 083005MD. For compatible buffer solutions, see Orion™ item 80513.

Restricted Products: To process your orders without delay, please provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide ID that includes your business name & shipping address via email [email protected] or fax 484.881.5997 referencing your VWR account number. Acceptable forms of ID are:

• State issued document with your organization's Federal Tax ID Number
• State issued document with your organization's Resale Tax ID Number
• City or County issued Business License
• State Department of Health Services License
• Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. Avantor will not lift restrictions for residential shipping addresses.