YSI Pro30 Portable Conductivity Meter
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Pro30 |
| Pricing | Available Upon Request |
Overview
The YSI Pro30 Portable Conductivity Meter is an engineered field-deployable electrochemical instrument designed for high-reliability measurement of electrical conductivity, total dissolved solids (TDS), salinity, and temperature in diverse aquatic environments. Utilizing a precision four-electrode conductivity cell architecture, the Pro30 eliminates polarization errors and electrode fouling effects common in two-electrode systems—enabling stable, drift-free measurements across wide conductivity ranges (typically 0.001 mS/cm to 200 mS/cm, dependent on cell geometry and calibration). Its measurement principle adheres to ASTM D1125 and ISO 7888 standards for conductivity determination in natural waters, wastewater, and process streams. The instrument’s ruggedized design targets environmental monitoring professionals, hydrological surveyors, regulatory compliance officers, and field-based QA/QC technicians requiring traceable, repeatable data under non-laboratory conditions.
Key Features
- Rugged IP67-rated enclosure with overmolded rubber grip and military-spec MS-type waterproof connectors—certified to survive 1-meter drop tests onto concrete per MIL-STD-810G.
- Four-electrode conductivity sensor with integrated temperature compensation (NTC thermistor) and built-in cleaning brush for rapid field maintenance.
- User-replaceable modular cables available in 1 m, 4 m, 10 m, 20 m, and 30 m lengths; all cables contain embedded sensor electronics and are covered by a 2-year limited warranty.
- Backlit graphical LCD display with night-glow keypad—optimized for low-light or dusk/dawn field operations.
- Onboard memory stores up to 50 measurement sets (including conductivity, TDS, salinity, temperature, date/time stamp, and calibration metadata).
- One-button calibration routine with automatic storage of previous calibration values and user-executed calibration logs—including electrode constant, solution used, and timestamp.
- Sealed battery compartment: operational integrity maintained even if battery cover is not fully latched—no internal circuit exposure or moisture ingress risk.
Sample Compatibility & Compliance
The Pro30 is validated for use with freshwater, estuarine, seawater, wastewater effluents, groundwater, and industrial process water. Its four-electrode sensor design ensures minimal sensitivity to surface contamination and biofilm accumulation—critical for long-duration deployments or high-fouling environments. The instrument complies with relevant portions of EPA Method 120.1, ASTM D5391 (Standard Test Method for Electrical Conductivity of Water), and ISO 7888:2012. Data logging functionality supports GLP-compliant workflows when paired with YSI’s optional data management software (e.g., YSI EcoScan Suite), including audit-trail-capable calibration history and user-defined data export formats (CSV, TXT).
Software & Data Management
While the Pro30 operates as a standalone field instrument, it interfaces seamlessly with YSI’s desktop and cloud-connected data platforms via USB or optional Bluetooth adapter. Exported datasets include full metadata: sensor ID, calibration constants, operator ID (if entered), GPS coordinates (when paired with external GNSS module), and environmental timestamps. Software-generated reports conform to standard laboratory documentation requirements—including revision-controlled calibration certificates and traceable uncertainty budgets aligned with ISO/IEC 17025 guidelines. Firmware updates are distributed through YSI’s secure customer portal and maintain backward compatibility with legacy calibration files.
Applications
- Regulatory water quality monitoring (EPA, state DEP, EU WFD reporting)
- Wastewater treatment plant influent/effluent characterization
- Groundwater contamination plume mapping and tracking
- Marine and estuarine salinity profiling for ecological studies
- Industrial cooling water system monitoring and corrosion potential assessment
- Educational field laboratories and undergraduate environmental science curricula
FAQ
What is the measurement range for conductivity using the standard Pro30 four-electrode cell?
The standard cell supports a typical range of 0.001 to 200 mS/cm, optimized for accuracy between 0.01 and 100 mS/cm. Range extension is achievable via optional cell configurations.
Does the Pro30 support temperature compensation algorithms other than linear (NaCl) mode?
Yes—it includes selectable temperature compensation models: NaCl, KCl, and user-defined β-coefficient input per ASTM D1125 Annex A1.
Is the instrument compliant with FDA 21 CFR Part 11 for electronic records?
Standalone Pro30 operation does not meet full Part 11 requirements; however, when integrated into YSI’s validated EcoScan Suite with configured audit trails, role-based access, and digital signature protocols, it supports regulated pharmaceutical and biotech applications.
Can the Pro30 be used for continuous unattended logging?
No—the Pro30 is a manual-trigger, spot-measurement instrument. For continuous logging, YSI recommends the ProDSS or EXO series platforms with programmable interval sampling and telemetry options.
What is the warranty coverage for the host unit and sensor components?
YSI provides a 3-year limited warranty on the main instrument body and a 2-year limited warranty on all cables, sensors, and accessories—including the four-electrode conductivity cell and integrated temperature sensor.
