TimePower TP106 Online Silica Analyzer
| Brand | TimePower |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TP106 |
| Price | Upon Request |
| Measurement Principle | Molybdenum Blue Photometric Method (Silicomolybdate Reduction with 1-Amino-2-Naphthol-4-Sulfonic Acid) |
| Measurement Range | 0.0–200.0 μg/L or 0.0–2000 μg/L (selectable) |
| Accuracy | ±2% FS |
| Repeatability | ≤±1% FS |
| Drift | <±1% FS/24 h |
| Response Time | <10 min |
| Cycle Time | ~10 min per channel |
| Sample Flow Rate | 10–40 L/h |
| Sample Temperature | 5–50 °C |
| Sample Particulates | <5 µm, non-colloidal |
| Light Source | Monochromatic Cold LED |
| Display | 7.0-inch Color TFT Touchscreen (Chinese UI) |
| Channels | 1–6 Configurable |
| Environmental Temp. | 5–45 °C |
| Humidity | ≤90% RH (non-condensing) |
| Reagent Consumption | ~3 L/month per reagent (4 reagents total) |
| Output Signals | Isolated 0–20 mA / 4–20 mA / 0–10 mA (user-selectable) |
| Alarm Outputs | Independent per channel — flow interruption, upper/lower limit |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | ≤100 W |
| Dimensions (W×H×D) | 460 mm × 720 mm × 280 mm |
| Panel Cutout | 670 mm × 410 mm |
| Weight | 22 kg |
| Compliance | Designed for continuous industrial water quality monitoring in regulated environments |
Overview
The TimePower TP106 Online Silica Analyzer is an industrial-grade photometric analyzer engineered for continuous, real-time measurement of dissolved silica (as SiO₂) in process and boiler feedwater streams. It operates on the well-established molybdenum blue method—where soluble silicate reacts with ammonium molybdate under controlled acidic conditions (pH 1.1–1.3) to form a yellow silicomolybdate complex, subsequently reduced by 1-amino-2-naphthol-4-sulfonic acid (1-2-4 acid) to yield a stable blue chromophore. Quantification follows the Lambert–Beer law via precise optical absorption measurement at a fixed wavelength using a monochromatic cold LED light source. This principle ensures high specificity for orthosilicic acid and its soluble polymeric forms, minimizing interferences from phosphate, iron, or turbidity when sample filtration and conditioning are properly maintained. The TP106 is purpose-built for reliability in demanding thermal power, chemical processing, semiconductor-grade water purification, and pharmaceutical clean-steam applications where sub-ppb to low-ppb silica control directly impacts turbine efficiency, heat exchanger fouling, and product purity.
Key Features
- Modular multi-channel architecture supporting 1 to 6 independent measurement channels—enabling simultaneous monitoring of multiple sampling points without requiring separate analyzers.
- High-precision fluidic system utilizing imported solenoid valves with >1 million cycle lifetime, ensuring repeatable reagent dosing, sample aspiration, and wash sequence execution.
- 7.0-inch color TFT touchscreen interface with intuitive Chinese-language navigation; real-time overlay of up to six channel trends (current and historical) using distinct color coding for rapid status assessment.
- Stable optical path design featuring temperature-compensated LED source and solid-state photodetector—delivering long-term photometric stability (<±1% FS/24 h drift) without lamp replacement or manual alignment.
- Robust mechanical construction with front-panel cutout mounting (670 × 410 mm), integrated sample filtration, and modular reagent reservoirs—designed for minimal footprint and simplified field maintenance.
- Configurable analog outputs (0–20 mA, 4–20 mA, or 0–10 mA) with galvanic isolation, supporting direct integration into plant DCS, PLC, or automated chemical dosing systems with full signal scaling and engineering unit mapping.
Sample Compatibility & Compliance
The TP106 accepts raw water samples within 5–50 °C, provided suspended solids are <5 µm and colloidal material is absent—achieved via optional inline particulate filter (included in accessory kit). Sample pressure is self-regulated via flow restrictors; no external pump is required for typical 10–40 L/h flow rates. The analyzer meets electromagnetic compatibility requirements per IEC 61326-1 for industrial environments and conforms to IP54 enclosure rating for dust and splash resistance. While not certified to ISO/IEC 17025 as a standalone testing laboratory instrument, its measurement protocol aligns with ASTM D859 (Standard Test Method for Silica in Water) and supports GLP/GMP traceability through built-in audit-ready data logging—including timestamps, calibration events, alarm triggers, and operator actions. All reagents—including NIST-traceable 10 µg/mL silica standard—are supplied with lot-specific certificates of analysis.
Software & Data Management
Internal firmware stores 30 days of second-by-second measurement data per channel (including absorbance, calculated concentration, temperature, and flow status) in non-volatile memory. Data export is supported via USB port in CSV format for offline trend analysis or regulatory reporting. The embedded event log records all critical system states: reagent depletion warnings, valve actuation failures, photometer zero/scale deviations, and user-initiated calibrations. Optional RS-485 Modbus RTU communication enables remote configuration and readout via SCADA systems. Audit trail functionality satisfies basic FDA 21 CFR Part 11 expectations for electronic records—requiring operator login for parameter changes and digitally signing calibration entries with time/date stamp.
Applications
- Coal-fired and nuclear power plants: Continuous monitoring of silica in condensate, feedwater, and steam to prevent deposition on turbine blades and superheater tubes.
- Chemical and petrochemical facilities: Control of silica ingress in cooling tower makeup and process rinse waters to avoid catalyst poisoning and membrane fouling.
- Pharmaceutical water systems (PW, WFI): Verification of silica removal efficiency across mixed-bed ion exchange and EDI polishing stages.
- Microelectronics ultrapure water (UPW) loops: Early detection of silica breakthrough in final polishing skids prior to point-of-use distribution.
- Municipal drinking water treatment: Compliance verification for silica limits in finished water per WHO and EPA secondary standards.
FAQ
What is the recommended maintenance interval for the TP106?
Routine maintenance includes weekly visual inspection of tubing and filters, monthly cleaning of the optical cuvette with dilute nitric acid, and quarterly validation using certified silica standard solutions. Reagent bottles should be replaced every 30 days under continuous operation.
Can the TP106 be calibrated automatically?
Yes—the instrument supports scheduled automatic zero and span calibration using dedicated reagent lines and pre-programmed sequences. Manual calibration is also available via touchscreen menu with password protection.
Is remote diagnostics supported?
Basic remote access is enabled via Modbus RTU over RS-485; advanced remote troubleshooting (e.g., live sensor diagnostics or firmware update) requires local USB connection or authorized service technician support.
Does the analyzer comply with cybersecurity standards for industrial networks?
The TP106 has no Ethernet/Wi-Fi interface and operates as a stand-alone field device. Its RS-485 port implements hardware-level read-only polling by default, with no writable configuration registers exposed without authenticated local access.
How is interference from phosphate or iron managed?
The method inherently exhibits cross-sensitivity to high phosphate concentrations (>2 mg/L PO₄³⁻); this is mitigated by upstream ion exchange or selective chelation pretreatment. Iron interference is minimized by maintaining strict pH control during digestion and using high-purity reagents—validated during factory performance testing per ASTM D859 Annex A3.
