DO850 Dissolved Oxygen Meter, Portable

State-of-the-Art Optical DO Technology

• Luminescent optical DO sensor — no membrane, no electrolyte, no hassles

• Zero oxygen consumption by the probe; no flow-dependence, ideal for still or fast-moving water

• Fast, stable, and accurate readings with no warm-up time

Ultra-Low Maintenance

• Maintenance-free design — no frequent calibration required

• Luminescent cap with 8000+ hours service life (much longer than traditional caps)

• Special anti-interference coating resists ambient light and chemical exposure

• Includes a calibration/storage cap that lets you calibrate and store the probe in saturated air

Smart Compensation & Accuracy Controls

• Automatic Temperature Compensation (ATC)

• Automatic Barometric Pressure Compensation

• Manual Salinity Compensation for precise DO measurements in various water qualities

• Switch effortlessly between mg/L, ppm, and % saturation

Easy-to-Use Instrument Design

• Large backlit LCD with simultaneous DO and temperature display

• Stable reading mode and optional auto-lock for capturing steady measurements

• IP57 waterproof and dust-proof — reliable in harsh field environments

• Foldable stand for convenient benchtop operation

• 10-ft probe cable for flexible sampling

Complete Portable Test Kit

• Includes DO850 meter, optical DO probe, calibration/storage cap, and accessories

• Comes in a rugged carrying case for field or lab portability

• Ideal for water treatment, aquaculture, hydroponics, beverage production, aquariums, and general water-quality testing

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