1450 First Ave.
Page 5 of 10
Chippewa Falls, WI 54729
(800) 283-1141 or (715) 723-1141
Fax: (715) 723-7890
DA40T User Manual
Pacer Instruments, Inc
Rev 1.0
www.pacer-instruments.com
11-Aug-2007
Phone: 1-800-283-1141
SECTION 2 – SWITCH FUNCTIONS
ON/OFF
Pressing “ON/OFF” key switches unit ON. Pressing the key a second time turns it OFF.
FPM/MPS
Pressing “FPM/MPS” key toggles unit from FPM (1 FPM resolution) to MPS (0.01 MPS
resolution).
ºF/ºC
Pressing the “ºF/ºC” key displays temperature in degrees Fahrenheit (ºF); pressing key a second
time changes display to Celsius (ºC).
2 SEC.
Pressing “2 SEC.” key sets measurement period to two seconds. The display will show “2 SEC.”,
then a measurement value. It will update every two seconds with average of the preceding two
seconds.
16 SEC.
Pressing “16 SEC.” key sets measurement period to sixteen seconds. The display will show “16
S” for 16 sec., then a measurement value. It will update every two seconds with average of the
preceding sixteen seconds.
MAX/MIN
Pressing “MAX/MIN” key displays the highest reading since turn-on for air velocity or
temperature. Pressing key a second time will display lowest reading since turn-on.
Air Velocity: In “2 SEC.” mode display reads “H 2” (“L 2”) followed by reading. In “16 SEC.”
mode display reads “H 16” (“L 16”) followed by reading.
Temperature: Maximum is indicated by “H tP” followed by reading. Minimum is indicated by
“L tP” followed by reading.
Clear the internal memory by turning unit OFF. Clear the “MAX/MIN” mode by pressing any
other key (except “HOLD”). See APPENDIX B for description of algorithm that determines
MAX and MIN.