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YSI® 85 Hand-held Salinity, Conductivity, Dissolved Oxygen & Temperature System












Overview:

The YSI® 85 determines salinity, conductivity, dissolved oxygen, and temperature! The YSI® 85 is a rugged, microprocessor-based, hand-held digital meter with an attached YSI® combination conductivity and dissolved oxygen probe. The conductivity portion of the probe is a four electrode cell with a cell constant of 5.0 cm/±4% while the dissolved oxygen portion is a polarographic Clark-type sensor that uses cap membranes. DO readings are automatically compensated for salinity and temperature. Unit’s non-volatile memory stores up to 50 data sets. Other features of the YSI®85 include autoranging, a bright backlit display, an automatic function check, and a large display that always shows temperature along with your dissolved oxygen, conductivity, temperature-compensated conductivity or salinity reading. The YSI® 85 is powered by 6 AA batteries (included) which provide about 100 hours of operation (display warns when batteries are low).


Features:


Specifications:

Operating Environment

Medium: fresh, sea, or polluted water and most other liquid solutions.

Temperature: -5 to +65 °C

Depth: 0 to 10, 0 to 25, 0 to 50, or 0 to 100 feet (depending on cable length)

Storage Temperature: -10 to +50 °C

Material: ABS, Stainless Steel, and other materials

Dimensions:

Height: 9.5 inches (24.13 cm)

Thickness: 2.2 inches (5.6 cm)

Width: 3.5 inches max. (8.89 cm)

Weight: 1.7 pounds (w/ 10’ cable) (.77 kg)

Display: 2.3”W x 1.5”L (5.8cm W x 3.8cm L)

Power: 9 VDC -6 AA-size Alkaline Batteries (included)

Approximately 100 hours operation from each new set of batteries

Water Tightness: Meets or exceeds IP65 standards


Extensive testing of the YSI Model 85 indicates the following typical performance:


















Adjustable Conductivity Reference Temperature: 15°C to 25°C

Adjustable Temperature Compensation Factor for Conductivity: 0% to 4%

Temperature Compensation: Automatic

Range: Autoranging for Dissolved Oxygen

User selected or Autoranging for Conductivity


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