• Model NO.：820
• Items：Dissolved Oxygen
• Do Range：0.00 to 20.00mg,L
• Accuracy：0.5mg,L
• Resolution：0.01mg,L
• Calibration Points：1 or 2 Points
• Displays：LCD
• Application：Chemical Experiments, Routine Measurements
• Power：3×1.5V AA Batteries or DC5V Power Adapter
• Transport Package：Cartoon
• Specification：170*85*30mm
• Trademark：lianhua
• Origin：Shanghai
• HS Code：9031809090
• Production Capacity：50000 Units,Year

Basic Info.

Model NO. 820 Items Dissolved Oxygen Do Range 0.00 to 20.00mg/L Accuracy 0.5mg/L Resolution 0.01mg/L Calibration Points 1 or 2 Points Displays LCD Application Chemical Experiments, Routine Measurements Power 3×1.5V AA Batteries or DC5V Power Adapter Transport Package Cartoon Specification 170*85*30mm Trademark lianhua Origin Shanghai HS Code 9031809090 Production Capacity 50000 Units/Year

Product Description

1>Product Introduction

Portable Dissolved Oxygen Meter

Economical portable dissolved oxygen meter, 1 or 2 points calibration, Automatic Temperature Compensation. The meter is suitable for outdoor applications, accuracy: 0.5mg/L.

2 >Functional characteristics

• Economical portable dissolved oxygen meter is equipped with a backlit LCD display.
• 1 or 2 points calibration using the air-saturated water or zero oxygen solution.
• Salinity and barometric pressure compensations eliminate the measurement error.
• Automatic temperature compensation ensures accurate readings over the entire range.
• Auto-Read function senses and locks the measurement endpoint.
• Auto-Power Off effectively conserves battery life.
• Setup menu allows setting the number of calibration points, temperature unit, etc.
• Reset function automatically resumes all settings back to the factory defaults.
• Expanded memory stores or recalls up to 100 data sets.
• USB communication interface for data transfer or connecting a power adapter to meter.

Applications:
• Water and wastewater treatment
• Pond water and aquarium
• Industrial process monitoring


3 >Technical Parameters  
 

Model	820
Dissolved Oxygen
Range	0.00 to 20.00mg/L
Resolution	0.01mg/L
Accuracy	±0.5mg/L
% Saturation of Oxygen
Range	0.0 to 200.0%
Resolution	0.10%
Accuracy	±2.0%
General Specifications
Calibration Points	1 or 2 points
Temperature Compensation	0 to 50°C/32 to 122°F, automatic
Pressure Correction	60.0 to 112.5kPa/450 to 850mmHg, manual
Salinity Correction	0.0 to 50.0g/L, manual
Memory	Stores up to 100 data sets
Output	USB communication interface
Connector	6-pin nimi-DIN
Display	Custom LCD (80×60mm)
Power	3×1.5V AA batteries or DC5V power adapter
Battery Life	Approximately 150 hours (turn off the backlight)
Dimensions	170(L)×85(W)×30(H)mm
Weight	300g

Company