Dynisco TX180, Инструкция по установке и эксплуатации

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voltmeters. In this case, trimming will make the transmitter less accurate rather than more accurate!
Once trimming the 4.00mA value has been selected, the display will show:
The code 9601 corresponds to selecting the function to raise mA output.
Pressing the
NEXT
key the display then shows:
The code 9602 corresponds to selecting the function to lower the mA output. Comparing the
transmitter output to the external device will allow you to decide whether to raise or lower the
milliamp value. When it is decided whether to raise or lower the output current, then press
ENTER
and the display changes to one of the following depending on whether the raise or lower function
has been selected.
(raises output) (lowers output)
The code 9610 confirms that you are in the Raise 4mA output trim function. Each time the
NEXT
key is pressed, the display blinks, and the 4.0mA output limit increases (+). The increase is in
approximately 3.5 micro-ampere increments. The code 9620 confirms that you are in the Lower
4mA output trim. Each time the
NEXT
key is pressed, the display blinks, and the 4.0mA output limit
decreases (-). The decrease is in approximately 3.5 micro-ampere increments.
NOTE: The 4.00mA limit is factory calibrated to a precision standard. Using the Output Trim
function voids the NIST traceability of calibration. Do not arbitrarily trim the output unless a
qualified and accurate local standard is available to measure the adjusted 4.00mA output!
Also note that the 4.0mA limit should not be trimmed by more than about 50
␮
A, or
transmitter operation may be impaired.
Once the desired trim is reached, pressing
ENTER
will return to one of the corresponding Trim 4mA
screen. At this point one may still go back and do further trimming of the 4.0mA limit by pressing
the
ENTER
key, or pressing the
NEXT
key changes to the next function.
5.10 T
RIM
20
M
A
9601
9602
9610 9620
9700