Specifications - YSI PRO20 User Manual

Temperature values display Over or
Undr on run screen.
S P E C I F I C A T I O N S
Parameter
Temperature
Dissolved Oxygen
Barometer
* Automatic Dissolved Oxygen Temperature Compensation Range is -5 to 45 ºC
**Available barometer units include: mmHg, inHg, mbars, psi, or KPa
***For operating temperatures below 10 °C or above 40 °C, the barometer must be
recalibrated to maintain accuracy specification.
Range
-5 to 55 ºC *
23 to 113 °F
0 to 200% air
saturation
200 to 500%
air saturation
0 to 20 mg/L
20 to 50 mg/L
400.0 to 999.9
mmHg**
1) Sample temperature is less than -5º C
or more than +55
decrease the sample temperature to
bring within the allowable range.
2) Return system for service.
Resolution
0.1 ºC
0.1 °F
1% or 0.1%, user
selectable
1% or 0.1%, user
selectable
0.1 or 0.01 mg/L,
user selectable
0.1 or 0.01 mg/L,
user selectable
0.1 mmHg
35
o
C . Increase or
Accuracy
± 0.3 ºC
± 0.6 ºF
± 2% of the reading or
2% air saturation,
whichever is greater
± 6% of the reading
±2% of the reading or
0.2 mg/L, whichever is
greater
±6% of the reading
± 5 mmHg within
°C of calibration
temperature***
5