頁面 3, Material supplied, Power supply – General Tools and Instruments CDM7722 User Manual
Page 3: Lcd display, Symbols

MATERIAL SUPPLIED
Meter
Adaptor
Operation manual
Plain white box
This package contains:
Optional accessory:
33% calibration salt (VZ0033AZ1)
75% calibration salt (VZ0075AZ1)
RS232 cable and software
POWER SUPPLY
The meter is powered by an AC adaptor
(12V/1A output).
2
LCD DISPLAY
TWA Time weighted average(
STEL hort-term exposure limit
(15 minutes weighted
DP Dew point temperature(7722,77232)
AIR Air temperature
WBT Wet bulb temperature(7722,77232)
% Unit of relative humidity
o
E (C/F) Celsius/Fahrenheit
AVG/CO/ALM/HLD/
Vain icons in these models
MAX/MIN Maximun/Minimum readings
8 hours)
S
average)
%
%
O
O
ALM
HLD
CO
2
CO
2
concentration
in ppm
Relative
humidity in %
Air temp.
Dew point
Wet bulb
temp. in
o
C or F
o
Symbols
MAX MIN AVG TWA STEL PPM
CO