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YSI ProSolo Optical Dissolved Oxygen and Conductivity Meter

Updated:2025-03-13

Brand:YSI
Model：ProSolo DIGITAL
Description: An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the ProDIGITAL O
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Product Details

ProSolo Optical Dissolved Oxygen and Conductivity Meter Introductin：

user's manual

The highlights of ProSolo ODO optical dissolved oxygen meter include：

ODO® Sensor Technology

Dissolved oxygen measurement technology has advanced from electrochemical sensors, such as polarographic and galvanic, to luminescent-based, optical sensors. YSI optical DO sensors are non-consumptive, meaning oxygen is not consumed during the measurement. As a result, there is no flow dependence or stirring required with ODO, allowing for the most accurate readings in the field.

Advantages over electrochemical sensors include:

Higher accuracy with no stir dependence
Less drift over time; holds calibration longer
Less maintenance; no membranes or electrolyte

Real-Time Salinity Compensation

With an integral conductivity module, the ODO/CT probe assembly enables the ProSolo to automatically compensate DO mg/L measurements for changes in salinity. The 4-electrode conductivity cell, designed for rugged field performance, is easily cleaned and requires minimal maintenance.

ProDIGITAL Smart Sensors

In addition to utilizing the most advanced DO sensing technology, the ProSolo incorporates smart sensor technology that enables sensors to be automatically recognized by the handheld. Additionally, DIGITAL sensors store calibration data, so probe assemblies can be swapped between handhelds without the need for re-calibration.

Provides Years of Sampling for All Field Conditions

The ProSolo handheld meets the demands of true field work with a rugged, waterproof case (IP-67 rated) and a military-spec (MS) cable connector. Rigorously drop tested from all angles, the handheld features a 3-year warranty, while a 2-year warranty is included with the probe assembly and ODO Cap.

Advanced Data Management

ProSolo includes KorDSS Software, a powerful data management program for easy 2-way communication between the meter and a PC. A unique data backup feature allows for the export of data to a USB flash drive (included) in csv format without having to connect to a computer.

Convenient Sampling Experience

Ergonomic handheld for a comfortable grip
Easy-to-read color display and backlit keypad
Large onboard memory with storage capacity for over 100,000 data sets
Site ID and Data ID tag capabilities for data organization
Data export directly to USB flash drive (included)
Single cable design for probe assembly lengths ranging from 1- to 100-meters
Long-life rechargeable lithium-ion battery that is user-replaceable
Simple and quick calibration procedures

Specifications：

ProSolo Specifications
Dimensions	8.3 cm width x 21.6 cm length x 5.6 cm depth; 567 g (with battery)
Power	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
Display	Color, LCD graphic display; 3.9 cm width x 6.5 cm height
Memory	>100,000 data sets
Barometer 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)
Languages	English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified & Traditional), Korean, Thai<
Certifications	CEC, CE; RoHS; IP-67; WEEE; FCC; UN Part III, Section 38.3, Test methods for lithium-ion batteries (Class 9)
Warranty	NMEA 0183; requires user-supplied GPS and YSI 6115 Y-cable

ODO/CT Specifications
Size	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)
Temperature （(Thermistor) 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)
Conductivity (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 mS (range dependent)
Specific Conductance 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 User selectable reference temperature (15 to 25°C; default 25°C) and compensation coefficient (0 to 4%/°C; default 1.91%) Resolution: 0.001, 0.01, or 0.1 mS (range dependent)
Warranty	2 years on cable, probe, and ODO sensor cap