KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 3.12 (Unit Rev 2) - Manual (Page 15)

SERIES EL 070110
1-5
1.6 SPECIFICATIONS
Parameters unique to different models of Series EL loads are listed in Table 1-1. Specifications
common to all Series EL models are listed in Table 1-2.
TABLE 1-2. SERIES EL SPECIFICATIONS
SPECIFICATION RATING/DESCRIPTION CONDITION/COMMENT
MODE CHARACTERISTICS
Linearity vs. programming command See Table 1-3 5 – 100% of Full Scale
Regulation(1)
See Table 1-3
Resolution (via computer control) 14 Bits
Current readback
(Current mode) Computer Accuracy: ±0.25%
Computer Resolution: ±15 Bits
Parameter readback
(Current and Voltage) Accuracy: ±0.25%
Resolution: ±15 Bits
Temperature coefficient: 100 ppm/°C
CONTROL CHARACTERISTICS
USB Interface Uses IEEE 488.2 and SCPI com-
mands and queries.
Requires driver.
RS 232 Interface Uses IEEE 488.2 and SCPI com-
mands and queries.
Baud rate: 38400
Parity: None
Data Bits: 8
Stop Bits: 1
Flow Control: None
GPIB Interface Uses IEEE 488.2 and SCPI com-
mands and queries.
GPIB address 10 = default
Ethernet Interface Uses IEEE 488.2 and SCPI com-
mands and queries.
Optional
GENERAL CHARACTERISTICS
a-c Line Power Input 120 VAC ±10%, 50/60 Hz or
240 VAC ±10%, 50/60 Hz
120V is factory default; 240V requires
internal configuration (see PAR 2.3.1?)
Operating Temperature 0°C to 40°C
Dimensions (load) 19”W x 7”H x 24.5”D See Figure 2-10.
Weight (load) 88 lbs.
Storage Requirements –20 to +60°C, 15 to 80% RH Relatively dust free environment
NOTE:
(1) Regulation specified after 15 minutes of operation at set power level.
TABLE 1-3. MODE CHARACTERISTICS
MODE Linearity Vs. Programming Command Regulation (1)
Constant Current ±0.25% ±0.25%
Constant Power ±2% ±1%
Constant Voltage ±0.25% ±0.25%
Constant Resistance ±1% ±1%
Constant Conductance ±1% ±1%
(1) Regulation specified after 15 minutes of operation at set power level