SIKA, Dr. Siebert & Kühn GmbH & Co. KG, Struthweg 7-9, 34260 Kaufungen, Germany
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Tel: +49-5605-803-0, Fax: +49-5605-803-54, email: [email protected], web: www.SIKA.net
Zero-Point Adjustment:
If there is no pressure applied to the pressure ports the device will display 0. If
there is a permanent deviation (and device is operated under steady conditions), a
permanent zero point adjustment can be carried out.
To carry out the adjustment press key 3 for 5 seconds.
(Please note: A zero-point adjustment can only be carried out if the difference between
the value on display and the value calibrated on site is less than 2%! E.g. for the
measuring range of –10.0 ..+350.0mbar, =>zero-point adjustment up to 7.0mbar possible)
To recall the manufacturer`s calibration press button 3 for approx. 7 seconds.
Note: If a zero-point adjustment was carried out, this will be signalled by the short
displaying of „NuLL Corr“ when switching on the device.
Configuration
To change device settings, press
Menu
(key 4) for 2 seconds. This will call the configuration menu.
Pressing key
Menu
jumps between the parameters.
The parameters can be changed with (key 2) or (key 5).
Quit
(key 6) finishes the configuration and returns to standard measuring operation.
Unit: Coice Of The Display Unit
Choose the desired display unit, the refering unit is displayed by means of a functional arrow in
the display. The selection is permanently stored in the device, therefore after power on the unit
will instantly reapear. The choice depends on the used sensor.
The unit [m] =mH
2
O is just supported by devices with [m] printed below the display!
P.oFF: Auto Power Off Time
The device will be automatically switched off if no key is pressed/no interface communication
takes place for the time of the power off time.
The power off time can be set to values between 1 and 120 min. It can be completely
deactivated by setting the paramter to ‚P.oFF = oFF“.
Adr: Base Address of Interface
Up to 10 devices of the MH3xxx- handheld-family can be connected to a serial interface at
once (depending on interface converter, e.g. GRS3105: 5 devices). To get access to each
device the base addresses of the devices have to be different. For example choose 01 for the
first, 11 for the second device and so on.
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