Sunset Laboratory Model 4L OC/EC Aerosol Carbon Analyzer - NIOSH 504

This Sunset Laboratory OCEC Carbon Aerosol Analyzer Model 4L is a high-precision laboratory system for the thermal-optical analysis of organic and elemental carbon (OC/EC) in aerosol samples. The set consists of the Model 4L Main Oven Assembly and the Methanator/Detector Assembly. It features laser-based pyrolysis correction (660 nm) and is fully compatible with the NIOSH 5040 reference method. Designed for air quality monitoring and environmental research. Includes the original Laboratory Instrument Manual and software installation discs (Analysis Software 828 / Calculation Software 316).

• Brand: Sunset Laboratory Inc.
• Model: 4L (Main Oven & Methanator Assembly)
• Power Input: 120 VAC 50/60 Hz
• Analysis Method: Thermal-Optical Transmittance (TOT)
• Wavelength: 660 nm Laser Diode
• Application: Environmental PM2.5 monitoring, NIOSH 5040

Professional organic carbon / elemental carbon (OC/EC) aerosol analyzer from Sunset Laboratory (Model 4L). This instrument is widely regarded as a reference standard for environmental monitoring and workplace exposure assessments, providing high-accuracy OC/EC quantification using the thermal-optical method (NIOSH 5040).

Key features

Thermal-Optical OC/EC analysis compliant with NIOSH Method 5040

High precision supported by an integrated data acquisition system and microcontroller

FID (Flame Ionization Detector) for high sensitivity measurement

Quartz oven design for stable thermal protocols

Ultra-low carbon background / very low baseline noise for improved detection performancest.