Fluke 1550C Calibration Manual

1550C/1555
Calibration Manual
14
Current Adjustment
1. Select the Cal Current tab.
2. Attach a 2 mA current source to the LO and GUARD terminals of the UUT,
connecting the current source LO to UUT GUARD terminal, as shown in the
connection diagram.
3. Apply 2 mAdc to the UUT.
4. Press the START button and wait until the adjustment is complete.
5. The current measurement is now adjusted. Disconnect the current source.
Charge Adjustment
1. Select the Cal Charge tab.
2. Attach a 2 mA current source to the LO and GUARD terminals of the UUT,
connecting the current source LO to UUT Guard.
3. Apply 2 mAdc to the UUT.
4. Press the Start button and wait until the adjustment is complete; progress is
displayed.
5. The charge measurement is now adjusted. Set the current source to STANDBY and
disconnect it from the UUT.
This completes the Adjustment Procedure.
Additional Procedures
Note
The following additional procedures are used during factory calibration
and repair but should not be performed in the field. They are included for
information only.
Various diagnostics are available from the Diagnostic tab as follows:
Identification (Id)
This button installs the default opvars in the UUT; the present calibration is lost as the
opvars are overwritten with the defaults. The user is presented with a YES/NO dialog
box, to prevent accidental selection of this option.
Restart UUT
This button first sets the UUT to CAL_DIAGS mode the sends out the restart hardware
command. The UUT is then restarted.
Shutdown UUT
This button puts the UUT into CAL_DIAGS mode and sends out the powerdown
command.

Fluke 1550C Specifications

General

Display type	-
Housing color	Grey, Yellow
Maximum voltage	5000 V
AC voltage range	250 - 5000 V
Operating altitude	0 - 2000 m
Overload protection	Yes
Storage temperature (T-T)	-20 - 65 °C
Operating temperature (T-T)	-20 - 50 °C
Operating relative humidity (H-H)	0 - 80 %
International Protection (IP) code	IP40
Battery technology	Sealed Lead Acid (VRLA)
Number of batteries supported	1

Weight and Dimensions

Depth	277 mm
Width	269 mm
Height	160 mm
Weight	3700 g