• Accurate flow readings.
• Measurement path 90º to stack; second plat-form not required
• Easy installation and optical alignment.
• Long-term reliability: no blowers or moving parts
• Ultra-low maintenance design.
• Rugged; designed for harsh environments.
• Built in continuous self-test diagnostics.
• Measurement unaffected by path length & media pressure, moisture & opacity.
• No flow media high temperature limits.
• Compliant with EPA 40CFR Parts 60 & 75.

Measurement Technique: Optical Scintillation (OSi Patented)

Range: 0.1 to 40 m/sec

Accuracy (Absolute): ±0.1 m/sec basic -or- ±2% of reading, whichever is greater

Repeatability (Relative): ± 0.1 m/sec basic -or- ±1% of reading, whichever is greater

Long Term Drift: Less than 1% per year

Response Time: 3 to 600 seconds, user selectable