Service: Air.

　　Volume Flow Rate Units: CFM,l/s, m³/hr.

　　Volume Flow Ranges: Supply:CFM: 41 to 1176; l/s: 19 to 555; m³/hr: 69 to 2000. Exhaust: CFM:45 to 1176; l/s: 21 to 555; m³/hr: 76 to 2000.

　　Accuracy @ 20°C (68°F):Supply: ±3% of reading ±9 CFM (±4 l/s, 14 m³/hr) when flow >85CFM (40 l/s). Exhaust: ±3% of reading ±9 CFM (±4 l/s, 14 m³/hr)when flow >85 CFM (40 l/s).

　　Span Stability v.Temperature: Better than 0.1% of range in use per 2°F(1°C).

　　Zero System Accuracy: ±1count (±0.05 Pascal typical; ±0.0002" w.c.).

　　Temperature Limits: 32 to123°F (0 to 50°C).

　　Thermal Effect: ±0.1% ofrange in user per 2°F (1°C).

　　Zero Drift: Negligible due toauto zero system. When auto zero set at 30 second intervals (2minute warm up).

　　Orientation Effect: Any 45degree change 0.0004" w.c. (0.1 Pascal) typical.

　　System Air Leak: 0.366 in³/hr(0.1 ml/min) @ 20" w.c. (5 kPa) typical.

　　Maximum DifferentialPressure: 60" w.c. (15 kPa).

　　Storage Temperature: 23 to122°F (-5 to 50°C).

　　Auto Ranging Display: 0.375"high digits.

　　Resolution: 1 CFM, 0.1 l/s, 1m³/hr.

　　Output: RS-232 serialinterface (baud rate 9600).

　　Memory Capability: 2500readings in any engineering unit.

　　Power Source: Rechargeable8.4 V 120 mAh (optional 9V may be used in place ofrechargeable).

　　Dimensions: 30" x 24" x 24"(965 x 610 x 610 mm). Hood only: 2' x 2' (600 mm x 600 mm).

　　Weight: 8.8 lb (4 kg).

　　Agency Approvals: CE.