Thermo Fisher Scientific Alpha TDS 200 - Manual (Page 21)

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8.4 Set Point 2 – P2.0
Setup program P2.0 allows you to set parameters for relay 2.
P2.1: select relay 2 set point value
P2.2: select relay 2 as low or high set point
P2.3: set relay 2 hysteresis value (dead band)
P 2.0 P 2.1 P 2.2 P 2.3
1800 100
HYS t SP 2 SP 2 SP 2
LOW
HIGH
Press ▲and ▼keys together (ESCAPE) at anytime, to leave Setup mode and return to
Measurement mode.
P2.1: Select relay set point value
Set the TDS value that will activate Relay 2. If measured value overshoots or
undershoots Set Point value, Relay 2 will be activated and corresponding LED on front
panel will light.
1.
Key in password “022” as per procedure in Section 5.
2. Press ▲key until screen displays P2.0 and SP2. Press ENTER.
3. The screen will scroll P2.1, SP2, then current set point value.
4. Press ▲or ▼keys and adjust second relay set point. Default value is 90% of full
scale of range selected.
5. Press ENTER to confirm and continue to step three of P2.2, or press ▲and
▼keys together to return to P2.0. Press ▲and ▼keys together to return to TDS
measurement mode.