Dissolved Oxygen Meter

Specifications:

General Specifications
Circuit Custom one-chip LSI microprocessor circuit
Display Dual function 0.5″ (13 mm) 1999 count LCD w/ contrast adjust
Measurements Dissolved O2: mg/l (milligrams per liter); Oxygen in air: %;
Temperature: °C/°F
Data hold Data hold key freezes displayed reading
Sensor Structure Remote Polarographic Dissolved Oxygen Sensor
Temperature sensor: Precision thermistor
Data recording Min/Max/Avg readings stored for later recall
Auto power off Meter turns off after 10 minutes
Sample rate 0.4 Sec (approx.)
Data Output RS 232 PC serial interface
Operating conditions Temperature: 32 to 122 °F (0 to 50 °C); Humidity: < 80% RH
Battery power 9V alkaline battery
Power Consumption Approx. 6.6 mA DC
Weight 0.74 lbs. / 335 g (including batteries & probe)
Dimensions Main instrument: 7.1 x 2.8 x1.3″ (180 x 72 x 32mm)
Probe: 4.9″ x 0.8″ length/diameter (125 x 20mm)
Accessories Carrying case, 9V battery, and 5 membranes

Optional accessories
Membranes, data acquisition software & RS232 interface cable
Electrical Specifications
Measurement Range Resolution Accuracy
Dissolved Oxygen 0.0 – 19.9 mg/L 0.1mg/L + 0.4 mg/L
Oxygen in air 0 – 100% O2 0.1 % O2 + 0.7% O2
Temperature (probe only):
32 to 122 oF
0 to 50 oC
0.1oF/C ±1.5 oF
+ 0.8 oC
Temperature (automatic) 32 to 122 oF (0 to 50oC)
Salt 0 to 39% (1% = ppt)
Compensation
adjustments
Altitude 0 to 3900 meters