HSC – Technical Specification – Dissolved Oxygen (DO) Meter
Measurement Principle:
Electrochemical (Polarographic or Galvanic) / Optical (Luminescent) DO sensor.
Measurement Range:
Dissolved Oxygen: 0.00 – 20.00 mg/L (ppm)
Oxygen Saturation: 0 – 200%
Temperature: 0 – 50°C
Resolution:
DO: 0.01 mg/L
Temperature: 0.1°C
Accuracy:
DO: ±0.2 mg/L or ±2% of reading (whichever is greater)
Temperature: ±0.3°C
Temperature Compensation:
Automatic over full measurement range.
Salinity & Pressure Compensation:
Manual or automatic (depending on model).
Display:
Large LCD or backlit digital display showing DO, temperature, and calibration status.
Calibration:
1- or 2-point calibration with air and zero oxygen solutions.
Data Storage & Interface:
Memory for up to 500 readings (model-dependent).
USB or RS-232 interface for data transfer (optional).
Probe Type:
Replaceable DO probe with built-in temperature sensor.
Cable length: typically 1–10 meters (optional longer versions available).
Power Supply:
Battery-operated or AC adapter (220V ±10%, 50/60 Hz).
Environmental Conditions:
Operating temperature: 0°C – 50°C
Relative humidity: ≤85% non-condensing
Construction:
Compact, portable or benchtop design with rugged, chemical-resistant body.
Accessories Supplied:
DO probe, membrane caps, electrolyte solution, instruction manual, and carrying case.
Applications:
Water & wastewater testing
Aquaculture & fisheries
Environmental monitoring
Research & education laboratories
