Amprobe TMA-21HW Hot-Wire-Anemometer - Manual (Page 6)

7 key : Push key to turn on and off the backlight.
8 MX/MN key : Push “MX/MN” key to circulate the reading of Maximum,
Minimum, Average and Current record mode. Push “MX/MN” key for 2 seconds
to exit this mode.
9 SET key : Push “SET” key to enter setting mode.
• Air velocity unit setting mode.
• Flow setup mode.
• Real – Time setting mode.
• Select a time constant mode.
• Select auto data memory interval time mode.
• Auto power off time setting mode.
• Backlight time setting mode.
• Standard pressure setting mode.
• Calibration mode.
10 VEL %RH key: Push “VEL %RH” key to circulate the display of following
reading:
Screen 1: Air Velocity display
Flow setup display
Air Flow display
Screen 2: %RH (Relative Humidity) display
Temperature display
WET (Wet bulb temperature) display
Screen 3: Air Velocity display
DEW (Dew point temperature) display
WCT (Wind chill temperature) display
Screen 4: %RH (Relative Humidity) display
HI (Heat index) display
HD (Humidex) display
Note:
Heat Index:
The Heat Index is determined using the dry bulb temperature and relative
humidity.