Thermo Fisher Scientific Alpha COND 1000 - Manual (Page 32)

Operating Instructions Thermo Scientific Alpha COND 1000
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4) Press the ENTER key to confirm your selection.
5) Proceed to 7.7.3, or return to Measurement mode by pressing the ▲ and ▼
keys simultaneously (escape).
Note: The factory default setting for the Filter selection is "on".
7.7.3
Selecting the alarm time lag
This parameter group lets you select a period of time
before the alarm activates when your set point has been
overshot. You can select from 0 to 1999 seconds.
1) Follow directions in 7.7.1 to enter Configuration mode.
2) Press the ENTER key. Scroll with the
Δ or ∇ keys
until the upper display shows a numerical value (in
seconds) and the lower display shows “AL.d”.
3) Press the ▲ or ▼ keys to select how long of an alarm delay (0 to 1999
seconds) you want.
4) Press the ENTER key to confirm your selection.
5) Proceed to 7.7.4, or return to Measurement mode by pressing the ▲ and ▼
keys simultaneously (escape).
7.7.4
Selecting steady or pulse contact for the alarm relay
This parameter group lets you select whether the alarm
contact will operate as a steady contact or a fleeting (single
pulse) contact. Pulse contact closing time is 250 millisecond.
1) Follow directions in 7.7.1 to enter Configuration mode.
2) Press the ENTER key. Scroll with the ▲ or ▼ keys until
the upper display shows “Stdy” or “FLEt” and lower
display shows “AL.C.”.
- AL.C = alarm contact
- StdY = steady contact
- FLEt = fleeting (single pulse) contact
3) Press the ▲ or ▼ keys to select steady or pulse
contact.
4) Press the ENTER key to confirm your selection.
5) Proceed to 7.7.5, or return to Measurement mode by pressing the ▲ and ▼
keys simultaneously (escape).
HOLD SETUP
30
Al.
HOLD
HOLD
SETUP
SETUP
S Y
FLE
Al.C
Al.C