Thermo Fisher Scientific Alpha pH 1000 - Manual (Page 28)

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7.6.6 Configuring the Wash contact if relay 3 has been set to the Wash mode
1) Follow direction in 7.6.1 to enter Configuration mode.
2) Press the ENTER key until upper display shows “Alr” or
“CLn”.
3) Press the ▲ or ▼ key to select the “CLn” function. Press the
ENTER key.
4) Press the
▲ or ▼ key to select the wash cycle (int. 0.1 to
199.9 hours) and press ENTER.
5) Press the ▲ or ▼ key to select the wash duration (1 to 1999
seconds) and press ENTER.
Note: During wash cycle, the controller is set to HOLD. For safety
reasons, the HOLD function starts 5 seconds before the start of
wash cycle and will continue for 10 seconds after the wash cycle is
completed.
7.6.7
Selecting pH sensor type
Note: This parameter is blocked out in ORP mode. Proceed to 7.6.6.
Note: After each changeover, the factory calibration data for zero point and slope are
overwritten. Be sure to recalibrate (see section 6).
This parameter group lets you configure the controller for glass or antimony electrodes. Use an
antimony electrode for systems with hydrofluoric acid content.
1) Follow directions in 7.6.1 to enter Configuration mode.
2) Press the ENTER key. Scroll with the
▲ or ▼ key until the
upper display shows “GLAS” or “AnTY” and lower display
shows “EL”.
- EL = electrode
- GLAS = glass
- AnTY = antimony
3) Press the
▲ or ▼ key to select glass or antimony.
4) Press the ENTER key to confirm your selection.
5)
Proceed to 7.6.6 step 3, or return to Measurement mode by
pressing the
▲ and ▼ keys simultaneously (escape).
SETUP
HOLD
10.0
SETUP
HOLD
10
SETUP
HOLD
Glas
SETUP
HOLD
El
SETUP
HOLD
El