User's Guide _______________________________________________________________________
22 ___________________________________________________________________ M211399EN-G
1111-117
Figure 8
Relay High in DIP Mode (HMW93)
1111-118
Figure 9
Relay Low in DIP Mode (HMW93)
NOTE
There is a hysteresis around the setpoint value to prevent rapid relay
switching when the measured value moves around the setpoint. This
means that the relay will not close or open exactly at the setpoint, but
slightly above and below.
-
On HMW93 the hysteresis is 2 %RH in both directions.
-
On TMW93 the hysteresis is 1 °C (1.8 °F) in both directions.
90
70
80
100
60
50
40
R
el
at
iv
e
H
um
id
ity
(%
)
Time
30
20
10
0
Rotary switch set to 6 (60 %RH)
DIP 5 set to “Relay High”
Relay closed
Relay open
90
70
80
100
60
50
40
R
el
at
iv
e
H
um
id
ity
(%
)
Time
30
20
10
0
Relay closed
Relay open
Rotary switch set to 6 (60 %RH)
DIP 5 set to “Relay Low”
