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The ProSolo DIGITAL handheld meter with ODO/CT offers exceptional affordability with unmatched durability. The user-friendly display delivers not only the industry’s best DO, temperature, and conductivity data, but also calculated parameters such as salinity, specific conductance, and seawater density. 

Product dimension

ProSolo Specifications


8.3 cm width x 21.6 cm length x 5.6 cm depth; 567 g (with battery)


Rechargeable lithium-ion battery pack provides ~48 hours with the handheld only;

Battery recharge time is ~ 9 hours with the AC power adapter;

The instrument can also be powered via AC or external power through the USB port

Operating Temperature

0 to 50°C

Storage Temperature

0 to 45°C with battery installed;

0 to 60°C without battery installed


Color, LCD graphic display; 3.9 cm width x 6.5 cm height


>100,000 data sets


Units: mmHg, inHg, mbar, psi, kPa, atm

Range: 375 to 825 mmHg;

Accuracy: ±1.5 mmHg from 0 to 50°C; Resolution: 0.1 mmHg

Sites and Data ID

100 user-defined sites and 100 user-defined data ID tags;

Site pictures can be sent to the handheld via KorDSS Software

Calibration Records

400 detailed calibration records can be stored and are available to view, download, and print (printing only available via KorDSS Software)


English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese,  Chinese (Simplified & Traditional), Korean, Thai


CEC, CE; RoHS; IP-67; WEEE; FCC; UN Part III, Section 38.3, Test methods for lithium-ion batteries

(Class 9)


3 years on handheld

ODO/CT Specifications


2.46 cm diameter, cable options for 1, 4, 10, 20, 30, 50, and 100 m lengths

Dissolved Oxygen

(Optical luminescence)

Units: % saturation, % saturation

local, mg/L, ppm

Range: 0 to 500%, 0 to 50 mg/L;

Accuracy: 0 to 200%: ±1% of reading or 1% saturation, whichever is greater;                    200 to 500%: ±8% of reading;

                   0 to 20 mg/L: ±0.1 mg/L or 1% of reading, whichever is greater;

                   20 to 50 mg/L: ±8% of reading

Resolution: 0.01 mg/L and 0.1%, or 0.1 mg/L and 1% (auto-adjusts based on range)



Units: °C, °F, K

Range: -5 to 70°C (temperature compensation range for DO mg/L measurement: -5 to 50°C ); Accuracy: ±0.2°C;

Resolution: 0.1°C or 0.1°F (auto-adjusts based on range)


(Four nickel electrode cell)

Units: μS/cm, mS/cm

Range: 0 to 200 mS/cm;

Accuracy: 0 to 100 mS/cm ±0.5% of reading or .001 mS/cm, whichever is greater;

                   100 to 200 mS/cm ±1.0% of reading;

Resolution: 0.001, 0.01, or 0.1 μS (range dependent)


(See YSI.com for additional calculated parameters) Units: μS/cm, mS/cm

Range: 0 to 70 ppt

Accuracy: ±1.0% of reading or ±0.1 ppt, whichever is greater Resolution: 0.01 ppt


2 years on cable, probe, and ODO sensor cap


3-year warranty on handheld, 2-year warranty on probe/cable assembly and ODO sensor cap


Highly-accurate ODO® sensor technology with no stirring


Real-time salinity compensation of DO measurements


Rechargeable lithium-ion battery that supports a full day of sampling


1 unit