Specifications – B&K Precision 1900-1901-1902 - Datasheet User Manual
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High Power Switching DC Power Supplies
Models 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
Vo ltage Reg ul at ion
Load (0-100% Load)
≤ 50 mV
Line (90-132 VAC, 170-264 VAC Variation)
≤ 20 mV
Current Re gul at ion
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
M ete r Type & Accuracy
Voltage Meter
3-Digit LED Display ± 0.2% + 3 counts
Current Meter
3-Digit LED Display ± 0.2% + 3 counts
Oth er
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.