Troubleshooting; Specifications; Conversions - VWR DO210 Manual De Operaciones

4. Rinse ammonium hydroxide/ammonia from probe.
5. Use sandpaper (400 grit wet/dry, supplied with VWR membrane kit 664-0005) to buff (wet
sand) excess deposits from probe.
6. Install a new membrane cap.
Never use chemicals or abrasives not recommended by VWR.

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, Battery Life
Operating Temperature
Instrument Casing
Weight (with battery)
Dimensions (L x W x H)

CONVERSIONS

To Convert:
Inches of Hg to mBar
Inches of Hg to mmHg
mmHg to mBar
• 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
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, Approximately 500 hours
0 to 50°C
Waterproof, IP 67
270 grams (.6 lbs)
18.7 cm x 7.6 cm x 3.8 cm (7.37 in x 3 in x 1.5 in)
Multiply by:
33.864
25.4
1.333
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
5
Resolution
0.01 mg/L
0.1 %
0.1 °C