User Manual

GMC-I Messtechnik GmbH 51
Calibration Functions: V – Hz – Ω – Temp – mA – mA
6.6 Current Source and Current Sink [mA]
Ð Select the mA current sink ( ) or mA current source ( )
calibration function with the rotary switch.
Ð Switch the calibrator on by pressing the ON / OFF | LIGHT key.
The last selected current range is displayed.
Ð Connect the device to be calibrated with the measurement
cables (see example in section 6.6.1).
Ð Set the current simulation value:
SINK ON indicates that the current sink is active!
SOURCE ON indicates that the current source is active!
Select the digit to be changed with the   keys, and change
the respectively selected digit with the  keys.
Ð The current sink / current source can be deactivated by
pressing the OUT | ENTER key [SINK/SOURCE
Stdby], or activated
once again.
Selecting a Current Range for the Fixed Value Function
Ð Press the ZERO / SEL | ESC key in order to switch to the
[select range] menu.
Ð Select the desired current range with the keys (0 …
20 mA, 4 … 20 mA or 0 … 24 mA).
Acknowledge your selection with OUT | ENTER.
The display is switched to the current value entry window, but
the selected current range still appears in the auxiliary display.
Selecting the Current Range for the Interval or Ramp Function
Ð Press the ZERO / SEL | ESC key in order to switch to the
[
select range] menu. Select the desired current range with the
 keys.
Ð Switch to the interval or ramp function menu with the 
keys. Start the respective function with OUT | ENTER.
Abbreviated Instructions
Select the calibration function.
Select current range and acknowledge for fixed value function.
select range 0 … 20  0 … 24  4 … 20
Change the fixed value.
15.00 mA  
Activate output:
% read-out (relationship of setting value to simulator’s upper range limit)
The display is switched from mA to % by pressing and holding the
OUT | ENTER key.
mA
ON/OFF
LIGHT
ZERO/SEL
ESC
OUT
ENTER
OUT
ENTER