| Velocity Range |
| Pitot probes |
25 to 15,500 ft./min (0.125 to 78 m/s) |
| Air flow probe |
25 to 5,000 ft./min (0.125 to 25 m/s) |
| Velocity matrix |
25 to 2,500 ft./min (0.125 to 12.5 m/s) |
| Accuracy |
±3% of reading ±7 ft./min (±0.04 m/s) at velocities >50 ft./min (>0.25 m/s) |
| Units |
ft./min, m/s |
| Resolution |
1 ft./min (0.01 m/s) |
| Pressure |
| Differential pressure |
±15 in. H2O (±3735 Pa); 150 in. H2O (37.5 kPa), maximum safe operating pressure |
| Absolute pressure |
15 to 40 in. Hg (356 to 1016 mm Hg) |
| Accuracy |
±2% of reading ±0.0001 in. H2O (±0.025 Pa) static and differential; ±2% of reading absolute |
| Units |
in. H2O, in. Hg, Pa, hPa, kPa, mm Hg, cm Hg, mm H2O, cm H2O |
| Resolution |
0.00001 in. H2O (0.001 Pa) static and differential; 0.01 in. Hg (1 mm Hg) absolute |
| Volume |
| Range |
25 to 2,500 ft.3/min (42 to 4250 m3/h) capture hood, supply and return |
| Accuracy |
±3% of reading ±7 ft.3/min (±12 m3/h) at flows >50 ft.3/min (>85 m3/h) |
| Units |
ft.3/min, m3/h, m3/min, l/s |
| Resolution |
1 ft.3/min (1 m3/h) |
| RH |
| Range |
5 to 95% RH (temperature/RH probe) |
| Accuracy |
±3% RH |
| Resolution |
0.1% RH |
| Temperature |
| Sensor in base |
40 to 140°F (4.4 to 60°C) |
| Temperature/RH probe |
14 to 140°F (-10 to 60°C) |
| Accuracy |
±0.5°F (±0.3°C) |
| Units |
°F, °C |
| Resolution |
0.1°F (0.1°C) |
| Instrument Temperature Range |
| Operating |
40 to 140°F (4.4 to 60°C) |
| Storage |
-4 to 160°F (-20 to 71°C) |
| Statistics |
min, max, average and sum |
| Data Storage |
25,500 samples, time and date stamped |
| Logging Interval |
User selectable |
| Response Time |
2 to 8 seconds, differential pressure sensor |
| Power Requirements |
Four AA-size cells or AC adapter |
| Physical Characteristics |
| Dimensions (micromanometer only) |
7.4 in. x 4.5 in. x 2.3 in. (18.8 cm x 11.4 cm x 5.8 cm) |
| Weight with Batteries |
17 oz. (0.5 kg) |
| Pressure Connection |
1/4 in. (6.35 mm) OD straight ports with barbed ends for use with 3/16 in. (4.76 mm) ID flexible tubing |