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Portable Dissolved Oxygen Meter APERA DO850

Fiyat Sorunuz

Advanced luminescence optical DO sensor with automatic pressure and temperature compensation. Wide backlit display, freestanding design, IP57 waterproof.

Advanced Luminescence Optical DO Sensor - No membrane, no electrolyte, no maintenance
Zero oxygen consumption - No restriction on water flow rate
Rapid and accurate measurements - Response time ≤30 seconds
Low maintenance design - No calibration required before each use
Extended sensor lifespan - Luminescent cap rated for 8000+ hours
Drift-resistant technology - Special coating protects against light and chemical interference
Auto-calibration cap included - Maintains saturation conditions during storage
Automatic temperature compensation - (0 to 50)℃ range
Automatic pressure compensation - (60 to 120) kPa barometric adjustment
Wide backlit LCD display - Simultaneous DO and temperature readings
Multiple unit options - mg/L, ppm, and % saturation modes
IP57 rating - Waterproof and dust-resistant construction
Freestanding design with integrated stand support

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Daha fazla detay

The APERA DO850 is a portable dissolved oxygen analyzer featuring state-of-the-art luminescence optical DO sensing technology. Designed for field and laboratory applications, this meter eliminates traditional electrochemical sensor maintenance requirements while delivering fast, accurate measurements. The unit provides simultaneous dissolved oxygen and temperature readings with intelligent instrumentation including automatic temperature, pressure, and manual salinity compensation.

Technical Specifications

Dissolved Oxygen – Measurement Range	(0-20.00) mg/L (ppm), (0-200.0)%
Dissolved Oxygen – Resolution	0.01/0.1 mg/L (ppm), 0.1/1%
Dissolved Oxygen – Accuracy	±2% reading or ±2% saturation (whichever is greater); ±2% reading or ±0.2 mg/L (whichever is greater)
Dissolved Oxygen – Response Time	≤30 seconds (25℃, 90% response)
Dissolved Oxygen – Calibration Points	Saturation Point & Zero Oxygen
Temperature Compensation	Automatic, (0 to 50)℃
Pressure Compensation	Automatic, (60 to 120) kPa
Salinity Compensation	Manual, (0 to 45) ppt
Temperature – Measurement Range	(0 to 50.0)℃
Temperature – Resolution	0.1℃
Temperature – Accuracy	±0.5℃
Power Source	3 × AA batteries (1.5V × 3)
IP Rating	IP57
Dimensions – Meter Unit	88 × 170 × 33 mm / 313 g
Dimensions – With Carrying Case	360 × 270 × 76 mm / 1.3 kg
Certifications	RoHS, CE

Applications

Aquaculture and fish farming – Monitor dissolved oxygen levels in ponds and raceways
Wastewater treatment plants – Process control and effluent quality monitoring
Drinking water quality testing – Distribution system DO verification
Environmental monitoring – Natural water bodies, rivers, and lakes assessment
Pharmaceutical and laboratory applications – Process validation and QA/QC
Hydroponics and aquaponic systems – Nutrient solution oxygen management
Research and educational institutions – Water science and biology studies
Cooling system maintenance – Industrial water quality verification
Swimming pools and spas – Water treatment optimization
Food and beverage processing – Production water quality control

Frequently Asked Questions

Does the DO850 sensor require replacement membranes or electrolyte solutions?

No. The luminescence optical sensor technology eliminates the need for membranes, electrolyte solutions, or regular electrode maintenance, making it a true low-maintenance solution for dissolved oxygen measurement.

Can this meter be used in flowing water applications?

Yes. The optical sensor design eliminates flow rate restrictions, allowing reliable measurements in rivers, streams, and other flowing water environments where electrochemical sensors may require flow compensation.

Is automatic temperature compensation built-in?

Yes. The DO850 features automatic temperature compensation from 0 to 50℃ and automatic barometric pressure compensation (60-120 kPa). Manual salinity compensation is also available for saline water applications.

How durable is the optical sensor?

The luminescent cap is rated for service life exceeding 8000 hours, providing years of reliable use without annual replacement cycles required by traditional electrochemical sensors.

What is the difference between mg/L, ppm, and % saturation modes?

All three units represent dissolved oxygen concentration. mg/L and ppm are equivalent mass concentration units; % saturation indicates oxygen level as a percentage of theoretical saturation at current temperature and pressure conditions.

Is the DO850 suitable for field measurements?

Yes. The portable freestanding design, IP57 waterproof rating, backlit display for low-light conditions, and low-maintenance sensor make it ideal for both field and laboratory applications.