Installation, Operation and Service Manual
LKP Series
© 2016 DynAmp, LLC
Page 7
041738 I
4. SPECIFICATIONS
TABLE 4.1
LKP SERIES 10 CHANNEL SPECIFICATIONS
MODEL
MAX. FULL-
SCALE RANGE*
MEASURING HEAD
WEIGHT
METERING UNIT WEIGHT
LKP-100
100 kA
Approx. 496 lb. (225 kg)
Approx. 650 lb. (295 kg)
Ambient Temperature Range of Measuring
Head
-20°C to 55°C
Ambient Temperature Range of Metering Unit
Location
-20°C to 55°C
Humidity (head and Metering Unit)
85% maximum
AC Line Voltage at 50 or 60 Hz ±5Hz**
100,120,200,220,240 Vac +10%, -15%
Burden on ac Line: ***
20 VA/kA
Maximum Allowable Burden of Output Circuit
15 volts
Linearity Error
±0.03% of full scale from 5% to 100% of bus
current.
Repeatability Error Limits
±0.02% of full scale plus zero error.
Temperature Sensitivity
±0.002%/°C
Line Voltage Sensitivity
±0.001%/V @ 120V ac
±0.0005%/V @ 240V ac
Measuring Head To Bus Isolation
12kVac for 1 minute with 25mm air gap. See
notes below.
Installation Category
III
Pollution Degree
2
*
Contingent upon DynAmp, LLC computer analysis of bus system.
** The LKP systems are factory-set for the correct voltage and frequency (50
or
60 Hz) per
customer order. To operate an LKP system at a different line frequency than was ordered,
move jumper JP1 (located on the control board inside each module) to the desired frequency.
Refer to the wiring diagrams for changing the input voltage.
*** Size any external isolation transformers for 30VA/kA to avoid overheating the transformers
due to the presence of SCR generated harmonics on the input ac line.
When tested at 120 Vac, less than 1 V burden, 24°C ambient.
Typical zero primary current errors (bus equiv.) for each model are shown in table 4.2.
With bus passing through window insulation at 90° to the head.
