Owner manual

3 ww w.bk prec ision.c om
High Power Switching DC Power Supplies
M
odels 1900, 1901 & 1902
v040914
Specifications
Mode ls 1900 1901 1902
Output
Variable Output Voltage 1 – 16 V 1 – 32 V 1 – 60 V
Variable Output Current 0 – 60 A 0 – 30 A 0 – 15 A
Auxiliary Output Current 5 A
Voltage Reg ulation
Load (0-100% Load) ≤ 50 mV
Line (90-132 VAC, 170-264 VAC Variation) ≤ 20 mV
Current Regulation
Load (10-90% Rated Voltage) ≤ 200 mA ≤ 150 mA ≤ 100 mA
Line (90-132 VAC, 170-264 VAC Variation) ≤ 50 mA
Ripple & Noise
Ripple & Noise Voltage (rms) ≤ 5 mV
Ripple & Noise Voltage (peak-peak) ≤ 50 mV ≤ 50 mV ≤ 100 mV
Current Ripple & Noise (rms) ≤ 100 mA
≤ 50 mA (110 VAC)
≤ 40 mA (230 VAC)
≤ 15 mA
Meter Type & Accuracy
Voltage Meter 3-Digit LED Display ± 0.2% + 3 counts
Current Meter 3-Digit LED Display ± 0.2% + 3 counts
Other
AC Input 100 - 120 VAC 60 Hz, 220 - 240 VAC 50 Hz*
Full Load Input Current
9.4 A (110 VAC)
4.7 A (230 VAC)
9.0 A (110 VAC)
4.5 A (230 VAC)
9.3 A (110 VAC)
4.5 A (230 VAC)
Efficiency
84% (110 VAC)
85% (230 VAC)
87% (110 VAC)
86% (230 VAC)
87% (110 VAC)
88% (230 VAC)
Switching Frequency 65 – 85 kHz 75 – 95 kHz 65 – 85 kHz
Tracking Overvoltage Protections
O/P 1-5 V: set voltage +2 V
O/P 5-16 V: set voltage +3 V
O/P 1-5 V: set voltage +2 V
O/P 5-20 V: set voltage +3 V
O/P 20-32 V: set voltage +4 V
O/P 1-5 V: set voltage +2 V
O/P 5-20 V: set voltage +3 V
O/P 20-60 V: set voltage +4 V
Transient Response Time (50-100% Load) 1.5 ms
Power Factor Correction > 0.95 at optimal load
Cooling Method Thermostatically controlled fan from zero to full speed
Protections Overload, Short Circuit by Constant Current, Overvoltage, Overtemperature
Special Features 3 User-Defined Voltage and Current Presets, Analog Remote Control, Remote Sense (model 1900 only)
Operating Temperature 32 °F to 104 °F (0 °C to 40 °C), ≤ 80% R.H.
Storage Temperature 5 ºF to 158 ºF (-15 ºC to 70 ºC), ≤ 85% R.H.
Dimensions (W x H x D) 7.9” x 3.5” x 10.8” (200 x 90 x 275 mm)
Weight 7 lbs (3.2 kg)
Two-Year Warranty
Included Accessories Power cord, instruction manual, remote control connector
Note: All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 23 °C ± 5 °C.
*Special order instructions: For 230 V version, request model 1900-220 V, 1901-220 V, or 1902-220 V.