Appendix a specifications, Measurement, Range – YSI 85 User Manual

Page 46: Resolution, Accuracy

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YSI, Incorporated

Model 85

42

APPENDIX A 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:

Measurement

Range

Resolution

Accuracy

Conductivity

0 to 499.9

µS/cm 0.1

µS/cm

± .5% FS

0 to 4999

µS/cm 1.0

µS/cm

± .5% FS

0 to 49.99 mS/cm

.01 mS/cm

± .5% FS

0 to 200.0 mS/cm

0.1 mS/cm

± .5% FS

Salinity

0 to 80 ppt

.1 ppt

± 2%, or ± 0.1 ppt

Temperature

-5 to +65 °C

0.1 °C

± 0.1 °C (±1 lsd)

Dissolved Oxygen

0 to 200 % Air Sat.

0.1% Air Saturation

± 2% Air Saturation

0 to 20 mg/L

0.01 mg/L

± 0.3 mg/L

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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