Appendix a specifications, Measurement, Range – YSI 85 User Manual
Page 46: Resolution, Accuracy

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