Specifications

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.

Volume Flow Ranges with low Flow Kit:

>Supply: CFM: 25 to 1176; l/s: 12 to 555; m3/hr: 43 to 2000;
Exhaust: CFM: 29 to 1176; l/s: 14 to 555; m3/hr: 49 to 2000.

Accuracy @ 20°C (68°F):

>Supply: ±3% of reading ±9 CFM (±4 l/s, 14 m3/hr);
Exhaust: ±3% of reading ±9 CFM (±4 l/s, 14 m3/hr).

Span Stability v. Temperature:

Better than 0.1% of range in use per 2°F (1°C).

Zero System Accuracy:

±1 count (±0.05 Pascal typical; ±0.0002 in w.c.).

Temperature Limits:

>Operating: 32 to 122°F (0 to 50°C);
Storage: 23 to 122°F (-5 to 50°C).

Thermal Effect:

±0.1% of range in use per 2°F (1°C).

Zero Drift:

Negligible due to auto zero system. When auto zero set at 30 second intervals (2 minute warm up).

Orientation Effect:

Any 45 degree change 0.0004 in w.c. (0.1 pascal) typical.

System Air Leak:

0.366 in3/hr (0.1 ml/min) @ 20 in w.c. (5 kPa) typical.

Maximum Differential Pressure:

60 in w.c. (15 kPa).

Auto Ranging Display:

0.375" high digits.

Resolution:

1 CFM, 1 l/s, 1 m3/hr.

Output:

RS-232 serial interface (baud rate 9600).

Memory Capability:

2500 readings in any engineering unit.

Power Requirements:

8.4 V NiMH battery, installed functional, user replaceable (optional 9 V alkaline battery may be used in place of rechargeable).

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 Approval:

CE.

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