ProSolo Optical Dissolved Oxygen Meter

Portable Optical Dissolved Oxygen, Conductivity, Salinity, and Temperature Digital Handheld Meter

Convenient Sampling Experience

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

Connect the ProSolo handheld to any ODO/T or ODO/CT probe assembly for a complete sampling system. These probe assemblies are user-replaceable with cable lengths ranging from 1 to 100 meters. The ProSolo can also be connected to the ProOBOD Optical BOD 2 meter probe for laboratory testing.

*ODO/T: Optical Dissolved Oxygen/Temperature probe assembly.

*ODO/CT: Optical Dissolved Oxygen/Conductivity/Temperature probe assembly for salinity-compensated DO measurements.

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; no stir dependence
  • Less drift over time; holds calibration longer
  • Less maintenance; no membranes or electrolyte

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. These sensors store calibration data meaning that probe assemblies can be swapped between handhelds without the need for re-calibration.

EPA Approved Methodology

The optical BOD (OBOD) sensor utilizes EPA approved methodology for wastewater compliance reporting of BOD and CBOD, while ODO/T probe assemblies utilize EPA approved methodology for compliance reporting of Dissolved Oxygen.

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

The ProSolo includes Kor Software, a powerful data management program for easy 2-way communication between the meter and a PC, tablet, or mobile device. 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

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

Do you have an old meter you’d like to trade in for a discount on a new ProSolo system? Check out the Pro Series Trade-In Promotion going on now (U.S. only).

ProSolo Specifications
Calibration 400 detailed calibration records can be stored and are available to view, download, and print
Certifications CEC, CE; RoHS; IP-67; WEEE; FCC; UN Part III, Section 38.3, Test methods for lithium-ion batteries (Class 9)
Data Management 100 user-defined sites and 100 user-defined data ID tags; site pictures can be sent to the handheld via KorDSS
Display Color, LCD graphic display; 3.9 cm width x 6.5 cm height
Languages English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified & Traditional), Korean, Thai
Logging Capabilities Single point or continuous with autostable feature
Memory >100,000 data sets
Operating Temperature 0 to 50 °C (32 to 122 °F)
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 pack through the USB port
Size 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.27 in x 8.5 in x 2.21 in)
Storage Temperature 0 to 45 °C (32 to 113 °F) with battery installed; 0 to 60 °C (32 to 140 °F) without battery installed
USB Built-in micro USB On-The-Go port for PC connection, recharging/powering the handheld and connecting directly to a USB stick
Warranty 3-year handheld warranty
Weight 567 grams (1.25 lbs) with battery
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, 0.1 mS/cm

Warranty 2 years on cable, probe, and ODO sensor cap
ODO 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)

Warranty 2 years on cable, probe, and ODO sensor cap

ProSolo ODO/T

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ProSolo ODO/CT

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