50
Power(W)
Accuracy
(47 – 65
Hz)
Low: ± (0.2% + 0.05 W) / Mid: ± (0.2% + 0.5 W) / High: ± (0.2% + 2 W)
Frequency
Range
45 – 500 Hz
Resolution
± 0.1 Hz (45 – 99.9Hz)
± 1 Hz (100 – 500 Hz)
Accuracy
± 0.1 Hz
Power
Factor
Range
0.000 – 1.000
Resolution
0.001
Accuracy
True Power (W) / Apparent Power (VA)
Apparent
Power
(VA)
Resolution
Low: 0.01 VA / Mid: 0.1 VA / High: 1 VA
Accuracy
Voltage (rms) x Current (rms)
Temperature Coefficient
(typical)
± 0.04% per °C
General
Memory
10 locations
External BNC,
input/output
Trigger input, sync output, output status, output indicator/control
Interface
LAN, USB, and RS232. GPIB (9803 & 9805 only)
Operating Environment
0 – 40 °C, 20 – 80% RH
Dimensions (W×H×D)
(mm)
214.5 × 88.2 × 453.5
439 x 131.4 x 535.7
439 x 131.4 x 535.7
Weight
9.5 kg
40 kg
52.2 kg
*
The current range switches from low to mid-range or mid to high range when Ipeak > 300 % of the present range.
When Ipeak is <80 % of the high range, the current range switches from high to mid-range.
When Ipeak is <20 % of the mid-range, the current range switches from mid to low range.
To ensure the most current version of this manual, please download the latest version here:
http://www.bkprecision.com/search/9801
For current up-to-date product information, please visit
www.bkprecision.com
Calibration
We recommend a calibration interval of once per year to ensure that the power supply meets
specifications.