B&K Precision 1688B - Datasheet - Manual (Page 3)

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Switching DC Power Supplies
Models 1685B, 1687B & 1688B
v040412
Specifications
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.
M odel s 16 85 B 16 87B 1 68 8B
Out put
Variable Output Voltage 1 – 60 V 1 – 36 V 1 – 18 V
Variable Output Current 0 – 5 A 0 – 10 A 0 – 20 A
Vol tage Regulatio n
Load (0-100% Load) ≤ 50 mV
Line (90-132 VAC, 170-264 VAC Variation) ≤ 20 mV
Curren t Regulati on
Load (10-90% Rated Voltage) ≤ 100 mA
Line (90-132 VAC, 170-264 VAC Variation) ≤ 50 mA
Ri ppl e & Noi se
Ripple & Noise Voltage (rms) ≤ 5 mV
Ripple & Noise Voltage (peak-peak) ≤ 50 mV
Current Ripple & Noise (rms) ≤ 30 mA
Me ter Type & Accuracy
Voltage Meter 3-Digit LED Display ± 0.2% + 3 counts
Current Meter 3-Digit LED Display ± 0.2% + 3 counts
Othe r
Input Voltage 100-240 VAC 50/60 Hz
Full Load Input Current
3.7 A (100 VAC)
1.7 A (230 VAC) 4.6 A (100 VAC)
2.1 A (230 VAC) 4.6 A (100 VAC)
2.1 A (230 VAC)
Efficiency
82% (100 VAC)
86% (230 VAC) 82% (100 VAC)
86% (230 VAC) 81% (100 VAC)
85% (230 VAC)
Switching Frequency 100 – 120 kHz
Tracking Overvoltage Protections
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
O/P 1-5 V: set voltage +2 V
O/P 5-20 V: set voltage +3 V
O/P 20-36 V: set voltage +4 V
O/P 1-5 V: set voltage +2 V
O/P 5-18 V: set voltage +3 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, Overvoltage, Overtemperature
Special Features 3 User-Defined Voltage and Current Presets, Analog Remote Control
External Timed Programming
Max. 20 voltage and current steps
Max. 99 min + 59 sec step time
Max. 999 running cycles
Gen eral
Operating Temperature 32 °F to 104 °F (0 °C to 40 °C) ≤ 80% R.H.
Storage Temperature 5 °F to 158 °F (-15 °C to 70 °C) ≤ 85% R.H.
Dimensions (WxHxD) 7.9” x 3.5” x 8.2” (200 x 90 x 208 mm)
Weight 5.2 lbs (2.4 kg)
Two Year Warranty
Supplied accessories Power cord, instruction manual, application software CD, USB cable, remote control connector