Appendix B
20
DISPLAY:
Type: Digital
Description:
41/2 digits, 0.4 in. (10 mm) high
TIME CONSTANT:
Fast mode:
3-second averaging
Slow mode:
12-second averaging
POWER REQUIREMENTS:
four (4) AA-size batteries, nickel cadmium or alkaline
(provided)
BATTERY LIFE:
Minimum 10 hours at 100 ft/min (0.5 m/s) using alkaline
batteries
STANDARD EQUIPMENT:
Free certificate of NIST* traceability, operation and service
manual, four AA-size alkaline batteries and hard-shell carrying
case.
1 The accuracy statement of ±5.0% of reading or ±5 ft/min (±0.025 m/s)
begins at 25 ft/min through 4000 ft/min (0.13 through 20.00 m/s)
* U.S. National Institute of Standards and Technology
