Monitor; Monitor Panel Layout; Figure 8 Monitor Panel Layout - Michell Instruments Easidew Online User Manual

Easidew Online User's Manual
2.4

Monitor

The controls and indicators associated with the Easidew Online are located on the front
panel of the monitor.
Connections to the Easidew dew-point transmitter, the RS232 communications port and
the external power supply are all made to the rear panel of the monitor.
Figure 8 shows the layout of these controls and Tables 1 and 2 describe their respective
operational functions.
Dew-point temperature units are displayed by one of the two LED's located to the left
of the display. On delivery, °Cdp is set-up as standard. If required, the units can be
changed to °F. The method of confi guring the unit for °F is described in Section 3.4.
Optionally, the instrument can be set-up to read dew point in parts per million (ppm
range 0 to 3000 ppm
at the time of ordering or subsequently via Michell application software. NOTE: No
specifi c ppm
neither the °Cdp nor the °Fdp temperature indicators are illuminated.
Two temperature alarm indications are provided by two LEDs located on the right hand
side of the display. These are marked
relay contacts is provided on the rear panel. The connection for these alarm relay
contacts is shown in Section 2.13.
NOTE: Every display is factory fi tted with 2 alarm relays as standard.
2.5

Monitor Panel Layout

Michell Instruments
. This option requires the transmitter to be set-up for ppm
V
LED indicator is provided on the monitor; ppm
V
Easidew Online
6
Figure 8
(low) and (high). Access to the alarm
AL1 AL2
Hygrometer
Monitor Panel Layout
INSTALLATION
),
V
either
V
is selected if
V
7