Portable Optical Dissolved Oxygen Meter
Manufacturer: Apera Instruments
Product Details
Download Details and SpecificationsState-of-the-Art Optical DO Technology
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Luminescent optical DO sensor — no membrane, no electrolyte, no hassles
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Zero oxygen consumption by the probe; no flow-dependence, ideal for still or fast-moving water
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Fast, stable, and accurate readings with no warm-up time
Ultra-Low Maintenance
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Maintenance-free design — no frequent calibration required
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Luminescent cap with 8000+ hours service life (much longer than traditional caps)
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Special anti-interference coating resists ambient light and chemical exposure
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Includes a calibration/storage cap that lets you calibrate and store the probe in saturated air
Smart Compensation & Accuracy Controls
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Automatic Temperature Compensation (ATC)
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Automatic Barometric Pressure Compensation
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Manual Salinity Compensation for precise DO measurements in various water qualities
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Switch effortlessly between mg/L, ppm, and % saturation
Easy-to-Use Instrument Design
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Large backlit LCD with simultaneous DO and temperature display
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Stable reading mode and optional auto-lock for capturing steady measurements
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IP57 waterproof and dust-proof — reliable in harsh field environments
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Foldable stand for convenient benchtop operation
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10-ft probe cable for flexible sampling
Complete Portable Test Kit
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Includes DO850 meter, optical DO probe, calibration/storage cap, and accessories
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Comes in a rugged carrying case for field or lab portability
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Ideal for water treatment, aquaculture, hydroponics, beverage production, aquariums, and general water-quality testing
What's in the Kit?
| Item | Quantity |
|---|---|
| DO850 Portable Optical DO Meter | 1 |
| DO8031 Storage/Calibration Sleeve | 1 |
| DO803 Optical DO Probe | 1 |
| Screwdriver | 1 |
| Spare storage sponge | 4 |
| AA Batteries | 3 |
| Premium Carrying Case | 1 |
| User Manual |
| Dissolved Oxygen | Dynamic Range | (0-20.00) mg/L (ppm), (0-200.0)% |
| Resolution | 0.01/0.1mg/L (ppm), 0.1/1% | |
| Accuracy | ±2% reading or ±2% saturation, whichever is greater ±2% reading or ±0.2 mg/L, whichever is greater | |
| Response Time | ≤30 s (25? , 90% response) | |
| 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 | Range | (0 to 50.0) ? |
| Resolution | 0.1 ? | |
| Accuracy | ±0.5 ? | |
| Other | Batteries | AA x 3 (1.5V×3) |
| IP Rating | IP57 | |
| Dimensions and Weight | Meter: 88×170×33 mm/313g With case: 360×270×76 mm/1.3kg | |
| Product Certificate | RoHs, CE, FCC, UKCA |
Manufacturer Part Number/SKU: DO850-EA
Tags: Apera Instruments