DISSOLVED OXYGEN METER Model : DO-5509 GENERAL DESCRIPTIONS This Digital Dissolved Oxygen Meter is supplied with a polarographic type probe with an incorporated Temp. sensor which serves for precise Dissolved Oxygen ( DO ) and Temp. measurement. Applications for Aquarium, Medical research, Agriculture, Fish hatcheries, Laboratory, Water conditioning, Mining industry, Schools & Colleges, Quality control... SPECIFICATIONS Display 13 mm ( 0.5" ) LCD, 3 1/2 digits. Measurement Range Dissolved Oxygen - 0 to 20.0 mg/L. Resolution 0.1 mg/L.. Accuracy ± 0.4 mg/L. (after calibration within 23± 5 ) ℃ Sensor Temp. Automatic from 0 to 40 . ℃ Compensation Panel adj. knob ZERO knob, CAL knob. Battery 006P DC 9V battery ( heavy duty ). Power Consumption Approx. DC 3.5 mA. Operating Temp. 0 to 50 (32 to 122 ). ℃ ℃℉ ℉ Operating Humidity Less than 80% RH. Dimension Main instrument : 131 x 70 x 25 mm ( 5.2 x 2.8 x 1.0 inch ). Oxygen probe : 190 mm x 28 mm Dia. ( 7.5" x 1.1" Dia. ) Probe cable length : 4 meters Weight 390 g ( 0.86 LB ) - with probe. Accessories Oxygen probe( OXPB-09N ).................................1 PC. Included Operation manual...............................................1 PC. Spare Probe head with Diaphragm set, OXHD-04............................................................2 PCs. Probe-filling Electrolyte, OXEL-03......................................................... 1 PC. Optional * Oxygen probe.......................................... OXPB-09N Accessories * Spare Probe head with Diaphragm set ...............................................................OXHD-04 * Probe-filling Electrolyte............................ OXEL-03 * Hard carrying case....................................CA-06 * Appearance and specifications listed in this brochure are subject to change without notice. 0902-DO5509