TROUBLESHOOTING
Main Display reads:
"ovEr" or "undr"
Secondary Display reads:
"undr"
"ovEr"
SPECIFICATIONS
Display
Dissolved O
2
(ppm or mg/L)
Dissolved O
2
% air-sat
Temperature °C
Pressure Compensation
Salinity Compensation
ATC Probe
Calibration Backup
Audio Feedback
Power Source
Operating Temperature
Instrument Casing
Weight (with battery)
Dimensions (L x W x D)
CONVERSIONS
To Convert:
Inches of Hg to mBar
Inches of Hg to mmHg
mmHg to mBar
RECOMMENDED SPARE PARTS LIST
PART #
200-4
4 meter (approx. 13 feet) probe and cable assembly
200-10
10 meter (approx. 33 feet) probe and cable assembly
200-BOD
Self-stirring BOD lab probe and cable assembly with power supply
280
DO carrying case, hard sided
5908
Membrane kit, 1.25 mil PE (605306), six cap membranes and KCl solution
480
Instrument carrying case, soft
• Check membrane and electrolyte solution.
• Clean anode and cathode.
• Return product for service.
• Heat the sample to above –6.0 °C
• Return product for service.
• Cool sample to below 46.0 °C
• Return product for service.
Range
0 to 20.00 ppm (mg/L)
0 to 200.0 %
-6.0 to 46.0 °C
21 to 115 °F
600 to 1100 mBar (450 to 825 mmHg)
From 0.0 to 40.0 ppt
Thermistor, 10KΩ, at 25°C
Yes
Yes, on all keys
One 9V battery
0 to 50°C (32 to
Splash-resistant IP 65
350 grams (.75 lbs)
186 mm x 70 mm x 37 mm (7.3 in x 2.8 in x 1.5 in)
Multiply by:
33.864
25.4
1.333
For the latest version of this manual, visit www.ysi.com/environmental
Possible Solutions:
Possible Solutions:
Accuracy
±2 % of the reading or ±2% air
saturation, whichever is greater
±2% of the reading or ±0.2 ppm,
whichever is greater.
±0.3 °C ±1 digit
122 °F)
DESCRIPTION
Item #605368 • Drawing #A605368
6
Resolution
0.01 mg/L
0.1 %
0.1 °C
Revision C • September 2004