GreenPrima Prosan 8200 Online Turbidimeter

Overview

The GreenPrima Prosan 8200 Online Turbidimeter is an industrial-grade, continuous-monitoring turbidity analyzer engineered for high-reliability operation in municipal drinking water treatment plants, distribution networks, and regulated process water applications—including pharmaceutical, food & beverage, power generation, and semiconductor ultrapure water systems. It operates on the principle of nephelometric measurement per EPA Method 180.1 and ISO 7027:2016, utilizing a stable 850 nm near-infrared LED light source and a precisely aligned 90° detector geometry to quantify scattered light intensity proportional to suspended particulate concentration. Unlike benchtop or portable units, the Prosan 8200 integrates real-time optical compensation for condensation, bubble interference, and pressure fluctuations—enabling robust performance under variable flow conditions without compromising measurement fidelity or response latency.

Key Features

• Integrated desiccant-based moisture removal system with user-replaceable drying cartridges, preventing optical window fogging and long-term drift.
• Dual-stage bubble suppression architecture that eliminates air entrainment artifacts without introducing signal lag or flow restriction.
• Non-contact optical design: light path and detection chamber are physically isolated from the sample stream, eliminating fouling-related calibration drift and reducing maintenance frequency.
• Modular sensor head and electronics enclosure enable field-replaceable components—minimizing downtime during routine service or component upgrades.
• Factory-calibrated with NIST-traceable formazin standards; field calibration achievable in under 5 minutes using reusable, pre-characterized calibration kits.
• Built-in pressure regulation (fixed at 15 psi) ensures consistent sample delivery across inlet pressures ranging from 1 to 200 psi—eliminating need for external regulators in most installations.
• IP66-rated enclosure certified for outdoor or wet-location deployment; compatible with standard DIN-rail or wall-mount configurations.

Sample Compatibility & Compliance

The Prosan 8200 is validated for continuous monitoring of low-to-moderate turbidity waters including clarified surface water, filtered effluent, distribution system tap water, reverse osmosis permeate, and deionized cooling loops. It meets stringent regulatory requirements for compliance reporting: fully compliant with U.S. EPA Method 180.1 for drinking water turbidity, ISO 7027:2016 for instrument performance criteria, and ASTM D6508 for online turbidimeter validation protocols. Its analog and digital outputs support integration into SCADA, DCS, and LIMS platforms with full audit trail capability—ensuring alignment with FDA 21 CFR Part 11 electronic record requirements when paired with compliant data acquisition software.

Software & Data Management

While the Prosan 8200 operates as a standalone analog transmitter, its optional RS-485 interface supports MODBUS RTU protocol for bidirectional communication with supervisory control systems. Configuration, diagnostics, and event logging—including calibration timestamps, sensor health status, and alarm thresholds—are accessible via ASCII command set or vendor-supplied configuration utility (Windows/Linux). All calibration events generate time-stamped logs with operator ID fields, supporting GLP/GMP traceability. Data retention includes 30 days of buffered historical readings (1-minute intervals) stored onboard, exportable via serial dump for QA/QC review or regulatory submission.

Applications

• Municipal water utilities: real-time monitoring of raw intake, sedimentation basin outflow, filter effluent, and finished water before chlorination.
• Water distribution networks: early leak detection and pipe integrity assessment via turbidity anomaly trending.
• Pharmaceutical manufacturing: continuous verification of WFI (Water for Injection) and PW (Purified Water) systems per USP and EU Annex 1 guidelines.
• F&B production lines: inline quality assurance for rinse water, CIP return streams, and final product contact water.
• Thermal power plants: condensate polishing loop surveillance and closed-loop cooling water clarity verification.
• Wastewater reclamation facilities: monitoring of tertiary filtration and membrane bioreactor (MBR) effluent prior to reuse discharge.

FAQ

Does the Prosan 8200 require periodic lamp replacement?

No—the 850 nm LED light source is rated for 7 years of continuous operation under normal ambient conditions; no scheduled lamp replacement is required during typical service life.
Can the unit be installed directly in pressurized pipelines?

Yes—it incorporates an integrated pressure regulator and is rated for direct installation in pipelines operating between 1 and 200 psi; factory preset to 15 psi for optimal optical cell performance.
Is the calibration traceable to national standards?

Yes—factory calibration uses NIST-traceable formazin suspensions; field calibration kits include certificate of analysis with uncertainty values referenced to SRM 2134 series.
How does the instrument handle condensation in humid environments?

A replaceable desiccant cartridge and internal fan-driven airflow maintain dew point below optical window temperature—preventing condensation without requiring external dry gas purge.
What cybersecurity provisions exist for MODBUS communication?

The RS-485 interface operates at the physical layer only; no embedded web server, remote login, or firmware update capability is present—ensuring inherent network isolation per IEC 62443-3-3 Level 1 requirements.