Products > By Type > Portables Waterproof

CyberScan DO 300

Product Features

:: Waterproof and Dustproof Housing - IP67 rated, ideal for rugged harsh conditions. Plus it floats!
:: Automatically Compensates Salinity and Barometric Pressure after manual input for increased accuracy
:: Independent 100% and Zero Adjustment Calibrations give meter high accuracy across entire measurement range
:: No Meter Warm-up Required with Galvanic Cell - takes measurements immediately and produces quick response
:: Displays Electrode Diagnosis gives slope, zero offset and millivolt values to help determine when to service or replace electrode
:: Stability Indicator prompts whenever reading stabilizes
:: Hold Function momentarily freezes reading for easy viewing and recording
:: Auto-Power Off saves battery power after non-use
:: Self-Diagnostic with message codes for easy troubleshooting
:: Adjustable Backlit Display for viewing readings conveniently in poorly lit places
:: Large, Easy-to-Read Custom LCD Display with simultaneous readings provides optimum viewing with user-friendly icons
:: Rugged Carrying Case (Included) provides handy on-site meter calibration and measurement

Carrying Kit



Aquacultural: Use to monitor oxygen levels in catfish and shrimp farming; game stocking ponds; ornamental fish tanks and ponds; and in other fish farming applications.

Industrial: Ideal for checks the quality of plant water intake and discharge, wastewater and water treatment, recirculating systems and industrial process systems.

Environmental: Use to test water quality, monitor health of aquatic ecosystems, survey surface and ground water drinking supplies, and meet EPA regulations.

Educational: Ideal for quick, accurate DO readings in laboratories and schools.


Product Specification Description
Dissolved Oxygen Range 0 to 19.9 mg/l or ppm
Resolution & Accuracy 0.01 mg/l, 0.1 ppm & 1.5% Full Scale
% Saturation of Oxygen 0.0 to 199.9 %
Resolution & Accuracy 0.1 % & 1.5% Full Scale
Temperature Range 0.0 to 50.0 C (32.0 to 122 F)
Resolution & Accuracy 0.1 C (0.1 F) & 0.3 C (0.5 F)
Salinity Correction 0.0 to 50.0 ppt
Barometric Pressure Correction 500 to 1499 mm Hg or 66.6 to 199.9 kPA
Method Manual input for automatic correction
No. of DO Calibration Points Up to 2 points; 100% in air and/ or 
0% in known solution
Temperature Compensation Automatic / Manual (0 to 100 C)
Back-lit Display Yes
Memory 50 data sets
Special Functions Stability Indicator; Self-diagnostic; Electrode characteristics; 
Hold & Auto-Power Off after20 minutes
Power 4 'AAA' x 1.4V batteries

Order Information

Order No.

EC-DOWP300/01K Waterproof CyberScan DO 300 Portable Dissolved
Oxygen Meter (Backlit) with DO electrode
(EC-DOHANDYNEW), 1 assembled membrane cap housing
(15X241402), 50ml refilling electrolyte (01X211226) &
neutral carrying kit set (EC-WPDRY-KIT)
EC-DOHANDYNEW Galvanic Dissolved Oxygen
Electrode with ATC, 3 m cable
EC-WPDRY-KIT Neutral Carrying Kit Set for Waterproof Series Meter
Plastic Carrying Case comprises 3 empty sample bottles (60 ml) and 1 x empty rinse water bottle (480 ml)

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