ChemTron HandyLab 680 Waterproof Portable Multiparameter Meter
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | HandyLab 680 |
| IP Rating | IP67 |
| Electrode Interface | IDS Digital Signal |
| Channels | Dual-channel (simultaneous measurement) |
| pH Range & Accuracy | –0.000 to 14.000, ±0.004 pH |
| mV Range & Accuracy | –1200.0 to +1200.0 mV, ±0.2 mV |
| Conductivity Range & Accuracy | 0.00 to 2000 mS/cm, ±0.5% of mean value |
| Resistivity Range & Accuracy | 0.00 Ω·cm to 100 MΩ·cm, ±0.5% of mean value |
| Salinity Range & Accuracy | 0.0 to 70.0 ppt (IOT), ±0.5% of mean value |
| TDS Range & Accuracy | 0 to 1999 mg/L or 0 to 199.9 g/L, ±0.5% of mean value |
| Temperature Range & Accuracy | –5.0 to +105.0 °C, ±0.2 °C |
| Dissolved Oxygen (DO) Range & Accuracy | 0.00 to 20.00 mg/L, ±0.5% of reading |
| Oxygen Saturation Range & Accuracy | 0.0 to 200.0%, ±0.5% of reading |
| Oxygen Partial Pressure Range & Accuracy | 0 to 400 hPa, ±0.5% of reading |
| Calibration | 1–5 point, 22 preconfigured buffer sets |
| CMC (Continuous Measurement Control) | Yes |
| QSC (Quality Sensor Check) | Yes |
| Data Storage | 500 manual + 10,000 automatic datasets |
| User Management | Role-based access control |
| Connectivity | USB-B (Mini-B) and USB-A ports |
| Power | Rechargeable battery (operational without external power) |
| Display | Backlit high-contrast LCD |
Overview
The ChemTron HandyLab 680 is a rugged, IP67-rated portable multiparameter meter engineered for field-deployable electrochemical analysis in demanding environmental, industrial, and regulatory laboratory settings. Designed around ChemTron’s Intelligent Digital Sensor (IDS) platform, the instrument acquires and processes digital signals directly at the electrode interface—eliminating analog noise, minimizing signal drift, and ensuring metrological traceability across all measured parameters. Its dual-channel architecture supports simultaneous, independent measurements of pH/mV and conductivity/resistivity/salinity/TDS—or DO/temperature—enabling rapid, cross-correlated water quality assessment without sequential sensor swapping. The device operates on an internal rechargeable battery, delivering uninterrupted performance during extended site surveys, wastewater monitoring campaigns, or aquaculture inspections where mains power is unavailable.
Key Features
- IP67-certified enclosure: Fully dust-tight and submersible up to 1 m for 30 minutes—validated per IEC 60529—making it suitable for use in rain, splashing zones, or humid process environments.
- IDS digital electrode interface: Ensures automatic sensor recognition, real-time calibration status tracking, and embedded sensor diagnostics via QSC (Quality Sensor Check) algorithm.
- CMC (Continuous Measurement Control): Dynamically validates each pH reading against calibrated range boundaries and displays both measured value and active calibration window—supporting compliance with ISO 17025 and GLP data integrity requirements.
- AutoRead function: Locks measurement upon signal stabilization (user-defined threshold), eliminating operator-dependent endpoint judgment and enhancing inter-operator reproducibility.
- Dual USB connectivity: USB-B (Mini-B) enables direct PC synchronization and firmware updates; USB-A port supports plug-and-play connection to external storage devices or portable printers—no drivers required.
- Role-based user management: Configurable access levels (Operator, Supervisor, Administrator) enforce procedural discipline during calibration, data export, and method modification—aligned with FDA 21 CFR Part 11 audit trail expectations.
Sample Compatibility & Compliance
The HandyLab 680 accommodates a broad spectrum of aqueous matrices—including freshwater, seawater, wastewater effluents, boiler feedwater, pharmaceutical rinse solutions, and food processing brines—without requiring hardware reconfiguration. All IDS-compatible electrodes (e.g., pH, ORP, conductivity, optical DO, NTC/Pt100 temperature) are auto-identified and parameter-matched upon insertion. The instrument complies with key international standards: EN ISO 5667-3 (water sampling), ASTM D1125 (electrical conductivity of water), ISO 5814 (electrochemical determination of dissolved oxygen), and USP (pH measurement in pharmaceutical preparations). Its CMC and QSC functions provide objective evidence of measurement validity—critical for auditable QA/QC workflows under GMP or environmental permit conditions.
Software & Data Management
Data acquisition is managed through ChemTron’s LabSoft Connect software (Windows/macOS), which imports timestamped datasets—including raw sensor outputs, calibration logs, operator IDs, and environmental metadata—into structured CSV or SQL-compatible formats. Each stored record contains full traceability: sensor serial number, calibration date/time, buffer IDs used, temperature-compensated values, and CMC status flags. Automatic logging captures up to 10,000 readings at user-defined intervals (1 sec to 24 hr), while manual storage preserves 500 entries with annotation fields. Audit trails meet ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) and support electronic signature workflows compliant with 21 CFR Part 11 when deployed with validated IT infrastructure.
Applications
- Environmental field monitoring: Real-time profiling of rivers, lakes, estuaries, and groundwater wells for pH, conductivity, DO, and salinity—supporting WFD (EU Water Framework Directive) reporting.
- Industrial process control: In-line verification of cleaning-in-place (CIP) rinse endpoints, cooling tower chemistry, and boiler water treatment efficacy.
- Academic and teaching labs: Robust platform for student experiments in analytical chemistry, environmental science, and bioprocess engineering—resistant to accidental drops and chemical exposure.
- Regulatory compliance testing: Field validation of drinking water quality per WHO guidelines or EPA Method 150.1 (conductivity), Method 365.3 (phosphate interference-corrected pH), and ISO 5815-1 (BOD-related DO).
- Aquaculture and hydroponics: Continuous tracking of critical water parameters to maintain optimal biological activity and nutrient availability.
FAQ
Does the HandyLab 680 support automatic temperature compensation (ATC) for all parameters?
Yes—ATC is applied in real time using integrated NTC or Pt100 probes; compensation algorithms follow ISO 7888 (conductivity), ISO 3696 (pH), and ISO 5814 (DO) standards.
Can calibration data be exported and archived independently of measurement records?
Yes—calibration events are stored as discrete, timestamped entries with full buffer identification, slope/offset values, and sensor health indicators, exportable via USB-A or LabSoft Connect.
Is the instrument compatible with non-ChemTron IDS electrodes?
No—only ChemTron-certified IDS electrodes ensure digital handshake, firmware-matched calibration coefficients, and QSC diagnostics; analog adapters are not supported.
What is the battery life under continuous operation?
Up to 150 hours with backlight disabled and AutoRead enabled; typical field use (10 min/hour active measurement) yields >30 days per charge.
How is data integrity maintained during USB transfer?
All transfers occur over authenticated, error-checked USB protocols; datasets include CRC-32 checksums, and LabSoft Connect verifies file integrity post-import.

