SkyRay Instrument POW-I High-Precision Online ICP-MS System for Trace Heavy Metal Monitoring in Water
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | POW-I |
| Pricing | Upon Request |
Overview
The SkyRay Instrument POW-I is a dedicated online inductively coupled plasma mass spectrometry (ICP-MS) system engineered for continuous, real-time trace elemental analysis of heavy metals in aqueous environmental and industrial process streams. Built upon the analytical architecture of the SkyRay ICP-MS 2000 series platform, the POW-I integrates robust plasma ionization, high-transmission mass filtering, and ultra-low-noise detection into a purpose-built rack-mounted configuration optimized for unattended operation in water treatment facilities, semiconductor fab utility monitoring stations, and drinking water source surveillance networks. Its core measurement principle relies on the generation of analyte ions via high-temperature Ar plasma (>7,000 K), followed by mass-to-charge (m/z) separation in a quadrupole mass analyzer and quantification using a dual-mode detector capable of analog and pulse-counting modes. This enables reliable detection of elements including As, Cd, Cr, Cu, Hg, Ni, Pb, Se, Tl, and U at sub-pictogram-per-liter (ppt) levels—critical for compliance with stringent regulatory thresholds such as WHO Guidelines for Drinking-water Quality and USEPA Method 1638.
Key Features
- Integrated dual off-axis ion deflection lens system to suppress polyatomic interferences and enhance signal-to-noise ratio (SNR) across the full mass range (5–280 amu)
- Dual-mode electron multiplier detector delivering >9 orders of magnitude linear dynamic range without manual gain switching
- Automated daily calibration and mass axis tuning routines, reducing operator dependency and ensuring long-term measurement stability
- Modular hardware architecture with hot-swappable consumables—including sampler cones, skimmer cones, and torch assemblies—for rapid field maintenance
- Embedded industrial-grade touchscreen HMI with intuitive workflow navigation, real-time spectral display, and alarm-triggered event logging
- Native support for Modbus TCP, OPC UA, and Ethernet/IP protocols enabling seamless integration into SCADA and DCS environments
Sample Compatibility & Compliance
The POW-I is validated for direct analysis of filtered (0.45 µm) natural waters, treated drinking water, ultrapure water (UPW) effluents, and low-TDS process streams without offline preconcentration. It complies with ISO/IEC 17025:2017 general requirements for competence of testing and calibration laboratories, and its data acquisition firmware supports audit-trail functionality aligned with FDA 21 CFR Part 11 electronic records and signatures requirements. All calibration standards and QC checks follow EPA Method 1638 revision protocols, and system performance verification includes routine assessment of instrumental detection limits (IDLs), spike recovery (85–115%), and long-term drift (<3% RSD over 24 h).
Software & Data Management
The POW-I operates with SkyRay’s proprietary AquaTrace™ software suite, deployed on an embedded Linux-based controller with redundant SSD storage. Raw spectral data, processed concentration time-series, and diagnostic logs are automatically synchronized to secure cloud infrastructure via TLS 1.3 encrypted HTTPS channels. The web-accessible analytics portal supports multi-user role-based access control (RBAC), historical trend comparison across configurable time windows (hourly/daily/weekly), and automated report generation compliant with ISO 5667-3 for water sampling. Data export formats include CSV, XML, and PDF, with optional integration into enterprise LIMS platforms via RESTful API endpoints.
Applications
- Continuous monitoring of intake water at municipal drinking water treatment plants
- Real-time surveillance of UPW quality in semiconductor front-end fabrication cleanrooms
- Regulatory compliance reporting for surface water bodies under national environmental monitoring programs
- Leachate tracking in landfill containment systems and wastewater reuse facilities
- Process water validation in pharmaceutical manufacturing sites adhering to USP / elemental impurities guidelines
FAQ
What sample preparation is required prior to analysis?
Filtered (0.45 µm) liquid samples with total dissolved solids (TDS) < 0.2% w/w may be introduced directly; higher TDS matrices require online dilution or offline acid digestion per EPA 200.8.
Does the system support isotope ratio measurements?
No—the POW-I utilizes a single quadrupole mass analyzer and is configured for quantitative multi-element screening, not high-precision isotopic ratio analysis.
How often must the instrument undergo preventive maintenance?
Recommended quarterly maintenance includes cone cleaning, vacuum pump oil replacement, and detector gain verification; full calibration verification is performed daily via automated standard introduction.
Can the system operate in hazardous area environments?
The standard POW-I is rated for Class 1, Division 2 (C1D2) non-incendive operation; ATEX/IECEx-certified variants are available upon request.
Is remote diagnostics supported?
Yes—embedded telemetry enables secure remote firmware updates, log retrieval, and real-time performance diagnostics via authenticated SSH and VNC sessions.

