Thermo Fisher Scientific Alpha pH 2000D - Manual (Page 30)

6.8 Wash relay (WASH) sub-function
In this sub-function you set the parameters for the wash relay.
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ENT ENT ENT
ENT
ENT
ENT ENT SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
SETUP
HOLD
off
1. Select the “WASH” sub-function, and then press the ENT key.
2. Enabling/disabling wash function: press the ▲ or ▼ key to enable (WASH ON) or disable (WASH
OFF) wash function. Press the ENT key to confirm your selection.
3. Selecting the relay status condition: press the ▲ or ▼ key to choose desired relay status (de-
energized = “DEEN” or energized = “EN”). Press the ENT key to confirm your selection.
4. Setting the wash interval in hours: Press the ▲ or ▼ key to set the desired wash interval (setting
range: 0.1 to 200.0 hours). Press the ENT key to confirm your setting.
5. Setting the wash duration in seconds: Press the ▲ or ▼ key to set the desired wash duration
(setting range: 1 to 2000 seconds). Press the ENT key to confirm your setting.
Note: During wash cycle the transmitter is set to HOLD. For safety reasons, the HOLD
function is activated 5 seconds prior and deactivated 10 seconds after the wash cycle.
Continue with Setup mode procedures, or return to Measurement mode by pressing the ▲ and ▼ keys
simultaneously (escape).
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