EUTECH INSTRUMENTS ALPHA CON 500 2-WIRE TRANSMITTER Provozní pokyny stáhnout pdf (Strana 12)

4 OVERVIEW

4.1 Keypad and Display

4.1.1 Keypad

• Perform rapid 2-point calibration and view electrode status

• Allows entry to Set up mode

• Select individual functions within the function group of Set up

mode

• Store input data in the Set up mode

• Start calibration in the calibration mode

• Select various function groups in the Set up mode.

• Set parameters and numerical values in sub functions of Set

up mode

If pressed continuously, the setting speed increases

• Return to the Measurement mode when both keys are pressed

together

4.1.2 Display

The LCD display features two numerical displays that show status messages

and measured values for easy, quick reference. The display provides short-

text information for setting parameters and configuration.

•

••

• MEAS: Measurement mode

•

••

• SETUP: Set-up mode of function groups

•

••

• CAL: Calibration mode of pH/ORP

•

••

• READY: Comes on after a successful

calibration

•

••

• HOLD: Relay position and current output

are frozen

•

••

• ATC: Comes on in the ATC mode.

Disappears in the Manual temperature

Compensation mode.

“ATC” flashes if the temperature probe is

faulty in its ATC mode

• Display for RELAY A/B. Green LED indicates measured

value within limit while RED LED indicates measured value

outside limit.

• Alarm display if limit value overshoot or the ATC probe fails.

7.00

25.0 ATC

SETUP

HOLD

CAL

MEAS

CON

READY

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