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User Manual
2.9 LKM / LKS Options - Supplemental Specifications
The Clock and Lock option enables two or more independent 22531iX power systems to be phase synchronized
to each other. One system (-LKM) acts as the master, the other(s) (-LKS) as auxiliaries. The –LKS units are
synced to the –LKM unit. Refer to section 3.9 for details on Clock and Lock mode.
The following supplemental specifications apply when the 2253iX is configured with the Clock and Lock option. (-
LKM or –LKS).
Parameter
Voltage:
Voltage Distortion
Frequency:
2.10 RPF Option - Supplemental Specifications
The –RPF option allows an external DC reference to be used to program the output frequency. The following
supplemental specifications apply when the 2253i/iX is configured with the remote programming frequency option.
(-RPF).
Note that loss of input signal while in RPF mode could result in a DC output from the AC source even though it is
in AC mode. If this is potentially damaging to the EUT, care should be taken to always have a minimum input
signal level. See section 3.7.4 for RPF input connection.
Parameter
Voltage:
Voltage Distortion
Frequency:
2.11 WHM Option - Supplemental Specification
The following measurement accuracy specifications apply to the Watt Hour meter mode of operation:
Parameter
Watt-Hour
Etime
California Instruments
Supplemental Specification
Standard specifications apply.
Range
16 – 819 Hz
Resolution
0.1 Hz
Accuracy
± 0.025%
Supplemental Specification
Input
0 to 5 Vdc or 0 to 10 Vdc for 0 – 800 Hz output.
Standard specifications apply.
-RPF Range
0 – 819 Hz for 0 to 10 Vdc input.
Resolution
0.1 Hz
Accuracy
± 1 %
Specification
Range:
0 – 999,999.9 WH
Resolution:
0.1 WH
Accuracy:
0.5% R +10 WH
Range:
0:00:00 to 9999:59:59
Resolution:
1 sec
Accuracy:
0.025 %
2253i / 2253iX
30
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