ISCO Isco 5800 Refrigerated Proportional Automatic Water Sampler
| Brand | ISCO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Isco 5800 |
| Pricing | Upon Request |
Overview
The ISCO Isco 5800 Refrigerated Proportional Automatic Water Sampler is an engineered solution for unattended, long-term, and regulatory-compliant water sampling in municipal wastewater treatment plants, combined sewer overflows (CSOs), industrial outfalls, and surface water monitoring stations. Designed around the principle of proportional composite sampling—where sample volume is dynamically adjusted in real time based on measured flow rate—the Isco 5800 ensures representative integration of water quality parameters across variable hydraulic conditions. Its refrigerated storage compartment maintains samples at a user-defined temperature (typically 4 °C) to preserve chemical stability and microbial integrity, meeting critical requirements for BOD, COD, nutrient, and pathogen analysis per EPA Method 1664, ASTM D5179, and ISO 5667-10. The system operates autonomously using a microprocessor-controlled sampling logic engine, supporting both time-based and flow-proportional protocols with high temporal resolution and volumetric repeatability.
Key Features
- Refrigerated sample storage chamber with digitally controlled temperature regulation (range: 0–10 °C), integrated 24-hour temperature logging, and on-device display for immediate verification
- Sliding bottle rack and rotating distribution arm—designed for ergonomic access and reduced field operator strain during bottle replacement or retrieval
- Dual-layer linear low-density polyethylene (LLDPE) enclosure with full-body thermal insulation and corrosion-resistant thermoset polyester powder coating—rated for continuous outdoor deployment in ambient temperatures from –29 °C to +49 °C
- High-torque peristaltic pump capable of lifting samples up to 7.6 m vertical head while sustaining a consistent linear flow velocity of 0.6 m/s; includes pump tube counter and liquid presence detection for volumetric accuracy validation
- Tool-free pump tube replacement with automatic power cutoff for personnel safety during maintenance
- Four programmable digital alarm outputs, 4–20 mA analog input, and pulse input compatibility for integration with electromagnetic, ultrasonic, or magnetic flow meters
- Onboard memory for up to four independent sampling programs, each configurable for composite or discrete sampling modes
Sample Compatibility & Compliance
The Isco 5800 accommodates standard 1-L, 2-L, and 4-L polyethylene or glass sample bottles, including EPA-compliant amber HDPE containers for light-sensitive analytes. Its flow-proportional algorithms comply with U.S. EPA Guidance for Wastewater Sampling (EPA 833-B-12-001) and support composite sampling protocols required under NPDES permits. Temperature logging meets GLP data integrity standards, with timestamped records exportable via serial interface (RS-232) using terminal emulation software such as Tera Term. The unit is CE-marked and conforms to IEC 61000-6-2 (EMC immunity) and IEC 61000-6-4 (EMC emissions), ensuring reliable operation in electrically noisy plant environments.
Software & Data Management
No proprietary software is required for basic configuration or data retrieval. Field programming is performed directly via the intuitive front-panel keypad and LCD interface. Temperature logs and sampling event histories—including time stamps, bottle positions, volumes, and flow meter inputs—are stored internally and retrievable in CSV format. For advanced integration, the device supports Modbus RTU protocol over RS-485 (with optional adapter), enabling seamless connection to SCADA systems or centralized environmental data management platforms. Audit trails are maintained for all parameter changes, satisfying documentation requirements under 21 CFR Part 11 when used in regulated wastewater compliance reporting.
Applications
- Continuous composite sampling at wastewater influent/effluent points for monthly or quarterly regulatory reporting
- Event-driven sampling during stormwater runoff or CSO discharge events, triggered by flow threshold or timer
- Long-term trend monitoring of nutrient loading (TN, TP), suspended solids (TSS), and organic load (BOD/COD) in receiving waters
- Industrial pretreatment program verification for heavy metal or organic compound discharge limits
- Research-grade hydrological studies requiring high-fidelity temporal resolution and sample preservation integrity
FAQ
What flow measurement signals does the Isco 5800 accept?
It accepts 4–20 mA analog signals and pulse outputs from certified flow meters—including magnetic, ultrasonic, and flume-based devices—enabling precise proportional sampling.
Can the unit operate reliably in freezing conditions?
Yes. An integrated heater prevents sample freezing in sub-zero ambient environments, while the compressor-based refrigeration remains fully functional down to –29 °C.
Is remote monitoring supported?
While the Isco 5800 lacks built-in cellular or Ethernet connectivity, it supports Modbus RTU communication for integration into existing telemetry or SCADA infrastructure via external gateways.
How is calibration traceability maintained for sampled volumes?
Volumetric accuracy is ensured through factory-calibrated pump tubing geometry, verified via pump revolution counting and real-time liquid detection—no field recalibration is required under normal operating conditions.
Does the unit meet ISO/IEC 17025 requirements for accredited laboratories?
As a sampling device—not an analytical instrument—it supports ISO/IEC 17025-compliant workflows by preserving sample integrity, providing auditable temperature logs, and enabling documented chain-of-custody procedures.
