Thermo Scientific Orion Star A220 Series, Руководство пользователя

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Chapter 8
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Customer Services
Orion Star A223 RDO/DO Portable Meter Specifications
Measurement Channels 1 – dissolved oxygen as % saturation or mg/L with temperature
Dissolved
Oxygen
Polarographic Concentration % Saturation
Range 0 to 90 mg/L 0 to 600 %
Resolution 0.01 / 0.1 mg/L 0.1 / 1 %
Relative Accuracy ±0.2 mg/L or ±2% of reading,
whichever is greater
±2% saturation or ±2% of
reading, whichever is greater
RDO Optical Concentration % Saturation
Range 0 to 50 mg/L 0 to 500 %
Resolution 0.01 / 0.1 mg/L 0.1 / 1 %
Relative Accuracy
±0.1 mg/L up to 8 mg/L,
±0.2 mg/L 8 to 20 mg/L,
±10% of reading up to 50 mg/L
±2 % saturation ≤ 200 %
saturation, ±10 % saturation
> 200 % saturation
Barometric Pressure Correction
400 to 850 mmHg, automatic using built-in barometer (±6 mmHg)
or manual entry
Salinity Correction Factor 0.0 to 45.0 ppt, automatic using manual entry of sample salinity
Calibration Types
Water-saturated air, air-saturated water, manual (Winkler), zero
point
Compatible Sensors Polarographic, RDO optical
Temperature
Range 0 to 50 °C, 32 to 122 °F
Resolution 0.1 °C, 0.1 °F
Relative Accuracy ±0.1 °C
Offset Calibration
1 point
Source Options Automatic with built-in temperature sensor
Sensor Input 9 pin MiniDIN Dissolved oxygen sensor with built-in temperature
Note: All specifications are subject to change without notice.
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