Portable Dissolved Oxygen Meter

Description

Portable Dissolved Oxygen Meter

Features:

1. 1 or 2 points calibration using the air-saturated water or zero oxygen solution.

2. Salinity and barometric pressure compensations eliminate the measurement error.

3. Automatic temperature compensation ensures accurate readings over the entire range.

4. Auto-Read function senses and locks the measurement endpoint.

5. Auto-Power Off effectively conserves battery life.

6. Setup menu allows setting the number of calibration points, resolution, temperature unit, concentration unit, stability criteria, date and time, etc.

7. Reset function automatically resumes all settings back to the factory defaults.

8. Expanded memory stores or recalls up to 500 data sets.

9. USB communication interface for data transfer or connecting a power adapter to meter.

Accessories：

DO100 dissolved oxygen electrode, electrolyte solution, membrane cap and carrying case.

Technical Parameters:

Model

PH-820

PH-821

DO

Range

0.00~20.00mg/L, 0.0~200.0% saturation

Accuracy

±0.5mg/L, ±2.0%

±0.2mg/L, ±2.0%

Resolution

0.01mg/L, 0.1%

Other Specifications

Calibration Points

1 or 2 points

Temperature Compensation

0~50°C/32~122°F, automatic

Barometric Pressure Correction

60.0~112.5kPa/450~850mmHg, manual

Salinity Correction

0.0~50.0g/L, manual

Stability Criteria

/

Low or high

Calibration Due Alarm

/

1 to 31 days or off

Hold Function

Manual or auto-endpoint

Auto-Off

30 minutes after last key pressed

10, 20 or 30 minutes after last

key pressed

Memory

100 data sets

500 data sets

Communication Interface

USB

Connector

6-pin mini-DIN

Display

Custom LCD(80*60mm)

Power Requirements

3*1.5V AA batteries or DC5V power adapter

Dimensions(mm)

170*85*30mm

Weight(kg)

300g

Package Size(W*D*H)mm

475*155*350mm

Gross Weight(kg)

1.7kg