Automatic or manual dissolved oxygen meters measure the oxygen level present to evaluate the water quality. These portable tools provide intuitive user interface to capture multiple readings and reliable measurements. The waterproof housing and probe are ruggedly designed to operate one-handedly. Dissolved oxygen meters may feature additional low battery indicators and dual sensors to also record temperature compensation. The sizes, ranges, and resolutions may differ among supplied models.

Automatic or manual dissolved oxygen meters measure the oxygen level present to evaluate the water quality. These portable tools provide intuitive user interface to capture multiple readings and reliable measurements. The waterproof housing and probe are ruggedly designed to operate one-handedly. Dissolved oxygen meters may feature additional low battery indicators and dual sensors to also record temperature compensation. The sizes, ranges, and resolutions may differ among supplied models.


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Catalog Number: (77618-940)
Supplier: VWR International

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Catalog Number: (77618-932)
Supplier: VWR International

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Catalog Number: (77618-934)
Supplier: VWR International

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Catalog Number: (21800-022)
Supplier: VWR International
Description: Dual display of dissolved oxygen concentration and temperature 0 to 60[degree]C. RS-232 interface serial computer port. Includes probe with 1m cable, 5 membranes, electrolyte solution, 9V alkaline battery and NIST traceable certificate.


Catalog Number: (77618-930)
Supplier: VWR International

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Catalog Number: (77618-928)
Supplier: VWR International

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Catalog Number: (77618-936)
Supplier: VWR International

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Catalog Number: (77618-938)
Supplier: VWR International

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Catalog Number: (89206-418)
Supplier: Thermo Scientific


Catalog Number: (89206-300)
Supplier: Thermo Scientific


Catalog Number: (89206-320)
Supplier: Thermo Scientific


Catalog Number: (89206-322)
Supplier: Thermo Scientific


Catalog Number: (89206-356)
Supplier: Thermo Scientific


Catalog Number: (89206-386)
Supplier: Thermo Scientific


Catalog Number: (89206-298)
Supplier: Thermo Scientific


Catalog Number: (89206-324)
Supplier: Thermo Scientific


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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