Portable Dissolved Oxygen Meter PH-821 (CAT#: STEM-OEM-0254-ZJF)

The Portable Dissolved Oxygen Meter is a user-friendly and reliable instrument for measuring dissolved oxygen levels in water. It is suitable for applications in environmental testing, aquaculture, and wastewater management, offering fast and accurate readings for field and laboratory use.

DO Range: 0.00~20.00 mg/L, 0.0~200.0% saturation
DO Accuracy: ±0.2 mg/L, ±2.0%
DO Resolution: 0.01 mg/L, 0.1%
Calibration Points: 1 or 2 points
Temperature Compensation: 0~50°C / 32~122°F, automatic
Barometric Pressure Correction: 60.0~112.5 kPa / 450~850 mmHg, manual
Salinity Correction: 0.0~50.0 g/L, manual
Stability Criteria: Low or high
Calibration Due Alarm: 1 to 31 days or off
Hold Function: Manual or auto-endpoint
Auto-Off: 10, 20 or 30 minutes after last key pressed
Memory: 500 data sets
Communication Interface: USB
Connector: 6-pin mini-DIN
Display: Custom LCD (80×60 mm)
Power Requirements: 3×1.5V AA batteries or DC 5V power adapter
Dimensions: 170×85×30 mm
Weight: 300 g
Package Size (W×D×H): 475×155×350 mm
Gross Weight: 1.7 kg

Supports 1 or 2-point DO calibration with air-saturated or zero-oxygen solution.
Automatic temperature, salinity, and pressure compensation for accurate readings.
Auto-Read function locks endpoint automatically.
Auto-power off function helps conserve battery life.
Setup menu allows configuration of resolution, temperature unit, calibration points, and more.
Data memory supports up to 500 sets; USB interface for data transfer and power connection.
Reset function restores factory settings.

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