Pen type, separate probe, auto calibration
DISSOLVED OXYGEN METER
Model : PDO-520
FEATURES
* This Digital 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...
* Heavy duty dissolved oxygen probe, probe head size can connect with BOD bottle.
* Separate probe with 4 meters cable.
* Automatic Temp. compensation from 0 to 50 ℃ for sensor.
* Microprocessor circuit assures high accuracy and provides special functions and
features.
* Multi-display, show Dissolved oxygen & Temp. at the same time.
* Build in temperature ℃,℉ measurement.
* Temperature unit can default to ℃ or ℉.
* LCD with two display, easy readout.
* Auto power off to save the battery life.
* Records Maximum and Minimum readings with recall.
* Data hold function for freezing the desired value.
* Use the durable, long-lasting components, including a heavy duty & compact
ABS-plastic housing case.
SPECIFICATIONS
Display LCD size : 29 mm x 28 mm. Dual function LCD
Circuit Custom one-chip of microprocessor LSI circuit.
Measurement Dissolved Oxygen 0 to 20.0 mg/L ( liter ).
and Range Air Oxygen 0 to 100.0 %.
* For reference only
Temperature 0 to 50 ℃.
Resolution Dissolved Oxygen 0.1 mg/L.
Oxygen in Air 0.1 % O2 .
Temperature 0.1 ℃.
Accuracy Dissolved Oxygen ±0.4 mg/L.
(23± 5 ℃) Oxygen in Air ± 0.7% O2.
* For reference only
Temperature ± 0.8 ℃/1.5 ℉.
Sensor Structure The polarographic type oxygen probe with an incorporated
temperature sensor.
Temp. Compensation Temperature 0 to 50 ℃,
* Automatic adj.
Memory Recall Records Maximum, Minimum readings with recall.
Power off Auto power off saves battery life, or manual off by push button.
Data Hold Freeze the display reading.
Sampling Time of display Approx. 1 second.
Operating Temp. 0 to 50 ℃.
Operating Humidity Less than 80% RH.
Power Supply DC 1.5V battery ( UM-4/AAA ) x 4 PCs.
Power Current Approx. DC 6.2 mA.
Weight 390 g/0.86 LB.
Dimension Main instrument: 180 x 40 x 40 mm ( 7.1 x 1.6 x 1.6 inch ).
Oxygen probe : 190 mm x 28 mm Dia. ( 7.5" x 1.1" Dia. )
Probe's cable length : 4 meters.
Accessories Oxygen probe, OXPB-11....................................... 1 PC.
Included Soft carrying case, CA-05A....................................1 PC.
Operation manual.................................................1 PC.
Spare Probe head with Diaphragm OXHD-04.......... 2 PC.
Probe-filling Electrolyte OXEL-03............................1 PC.
Optional probe and * Oxygen probe........................................... OXPB-11
accessories * Spare Probe head with Diaphragm set........OXHD-04
* Probe-filling Electrolyte.............................. OXEL-03
* Hard carrying case.....................................CA-06
