17
4.
Test Chamber
– Contains controlled RH and Temperature environment for
calibrating sensors.
5.
Keypad
– A pressure-sensitive keypad that allows the user to program setpoints
and to control functions.
6.
Digital Output
– RS-232C serial port for computer communication.
7.
Analog Output
– Can be programmed to provide information for Dew Point, Air
Temperature, or Percent Relative Humidity. User may select either 0 to 5 VDC
or 4 to 20 ma.
8.
ON/OFF Switch
– Turns Power ON or OFF.
9.
Information Display
– Reads out all system information, such as Set Points and
actual Test Chamber conditions.
ITEMS NOT SHOWN:
Air Outlet
– on right rear of carrying case (1/4 inch compression fitting).
AC Power Input Socket
and Fuse Holder
– on left side of carrying case.
Содержание RH CAL
Страница 14: ...14 9 0 BASIC BLOCK DIAGRAM THEORY OF OPERATION Figure 9 1 Basic Block Diagram...
Страница 41: ...Notes...