Model A004   Anemomaster

Model A004 Anemomaster

Palm-Size Hot-Wire Anemometer HVAC Testing
IAQ Investigation
Industrial Hygiene




Model A004
Air Velocity Range

Response Time

20 to 3,940 fpm (0.10 to 20.0m/s)
+/-3% of reading or +/-3 fpm (+/-0.015m/s) whichever is greater
Less than 1second at 196 fpm (1m/sec), 90% response
0 to 9.99 m/sec: 0.01 m/sec (minimum) 10.0 to 20.0 m/sec: 0.1 m/sec
Air Temperature Range
Response Time
32 - 122 F (0-50 C)
+/-0.2 F (1 C)
Less than 30 seconds at 196 fpm (1 m/sec), 90% response
1 F (0.1 C)
Power supply 4 x 1.5V AA cells Mn battery, alkaline battery, or Ni-Cd battery
(An appropriate charger to be used for the Ni-Cd battery)
Battery life Approx. 4 hrs. continuous at air velocity 196 fpm (1 m/s) with Mn batteries
Operating environment -
Main unit
41 to 104F (5 to 40C)
Operating environment -
32 to 122F (0 to 50C)
Storing environment 14-122 F (-10 to 50C)
Dimensions Probe: 0.24" or 0.40"(6 or 10mm) diameter x 7.9"(200mm) length.
Probe cable: 0.13"(3.3mm) diameter x 59"(1,500mm) length.
Main body: 2.4"(60mm) x 4.7"(120mm) x 1.2"(30mm)
Weight Approx. 0.4lbs (180g) including batteries
Standard kit Operation Manual, AA Batteries
Optional accessories Spare Probe, Ext. Rod (Telescopic 6.5"-35.8"/166mm-909mm)