Dust Sample Free Silica Analyzer Free SiO2 Tester Silica Spectrometer Crystalline Silica Testing Machine
Product Overview
The Analyzer for free silica in dust was independently developed by LONROY utilizing grating dispersion technology. It is characterized by high cost-effectiveness, ease of installation, simplicity of operation, and convenient maintenance.
Instrument Features
- High-intensity light source employs a spherical reflector assembly to ensure uniform and stable infrared radiation
- Utilizes a vacuum thermocouple infrared detector, ensuring high performance and reliability
- Features a built-in large-screen tablet computer and also supports connection to an external PC
- Detection element, signal amplifier, and 24-bit analog-to-digital (A/D) converter are highly integrated, directly outputting digital signals for instrument control and data processing
- High-precision stepper motor drive system and precision mechanical guide rails ensure data accuracy
- Dedicated software for testing free silica content in dust offers multiple curve-fitting methods, allows for the storage of multiple working curves, enables flexible selection of characteristic peaks, and automatically calculates results
Measured spectrum of free silica
Product Advantages
Trusted by leading research institutions and organizations including:
- Chinese Research Academy of Environmental Sciences
- China Building Materials Academy
- Hebei Coal Science and Technology Research Institute
- Chongqing Research Institute of China Coal Research Institute
- Centre Testing International Group Co., Ltd. (CTI)
- Wuhan Institute of Chemical Occupational Disease Prevention and Control
- Hubei Provincial Center for Disease Control and Prevention
- Nantong Center for Disease Control and Prevention
- Lu'an Xinjiang Coal Chemical (Group) Co., Ltd.
Instrument Set Completeness
Complete set includes: Tablet press, pellet die, agate mortar, spectroscopic-grade KBr, α-SiO₂ standard reference material, electronic balance, explosion-proof dust sampler, 200-mesh sieve, and more.
Technical Specifications
| Parameter |
Specification |
| Wavelength Range |
4000-400 cm⁻¹ (2.5-25 μm) |
| Wavenumber Accuracy |
≤±4 cm⁻¹ (4000-2000 cm⁻¹); ≤±2 cm⁻¹ (2000-400 cm⁻¹) |
| Resolution |
≤1.5 cm⁻¹ (near 1000 cm⁻¹) |
| Transmittance Accuracy |
±0.2%T (excluding noise level) |
| Lo Line Flatness |
≤±2%T |
| Stray Light |
≤0.5%T (4000-650 cm⁻¹); ≤1%T (650-400 cm⁻¹) |
| Power Supply |
220V AC, 50Hz |
| Test Modes |
Three modes (Transmittance, Absorbance, Single-beam) |
| Scan Speed |
Five gears (Very Fast, Fast, Normal, Slow, Very Slow) |
| Slit Width |
Five gears (Very Wide, Wide, Normal, Narrow, Very Narrow) |
| Response |
Four gears (Very Fast, Fast, Normal, Slow) |
| Operation Modes |
Continuous Scan, Repeated Scan, Fixed-wavelength Scan |