eutech-instruments alpha con 1000 conductivity controllertransmitter ユーザーズマニュアル

68X216802

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7.8.1 Entering Calibration mode from Advanced Set-up mode
1) Enter Advanced Set-up mode. Push the ENTER key and scroll to Advanced Set-up security

code “22”. Push the ENTER key again.

2) Press the 

∆∆

∇

∇

 keys to scroll until the upper display shows “CAL”.

3) See section 6 for complete calibration procedures.

Regardless of the mode, you can control devices connected to Relay A or Relay B from the front panel

of this controller. In Automatic mode, the controller’s set point values activate the relays. In Manual

mode, you have manual control of the relays so you can prime the pump or check pump status without

operating the entire system.

In this mode, the controller set-point values activate the relays. To view the set-point values:
1) Press the RELAY SELECTION (Rel A/Rel B) key. The upper display shows your set-point value

for Relay A; the lower display shows “SP1”.

2) After two seconds the upper display shows your set-point value for Relay B; the lower display

shows “SP2”.

3) After an additional two seconds the controller will return to Measurement mode.

In this mode, you can manually turn on and off the control devices connected to Relay A or Relay B or

both.
1) Press the RELAY CONTROL (auto/manu) key. The upper display shows “000”; the lower display

shows “S.Cd” to prompt you to enter the Advanced Set-up code.

2) Press the 

∆∆

∇

∇

 keys to scroll the upper display until it reads “22”.

3) Press the ENTER key. The manual indicator by the RELAY CONTROL key lights up.
Note: Pressing ENTER key at a value other than “22” will cause the controller to revert to Measurement

mode, and the relays will remain in automatic mode.
4) Press the RELAY SELECTION key to select either Relay A or Relay B.  The LED next to the

currently selected relay (A or B) will light.

The manual control options are now available.
- 

If you selected Limit control: The upper display reads the current measured value. The lower

display shows “oFF” or “on” depending on the relay status of the currently selected relay.

5) Press the 

∆∆

∇

∇

 keys to change the Relay on/off status. The LED indicators at the right of the

controller will also change between Red and Green to indicate Relay status.

Note: If you wish to manually change the status of both relays, press the RELAY SELECTION key at

this point and repeat step 5 for the second relay. This first relay will remain under manual control while

you are setting the second relay.
6) Press the RELAY CONTROL key to return to Measurement mode. The relays are now back under

automatic control.