User Manual

B&K Precision Corporation
22820 Savi Ranch Parkway, Yorba Linda, CA 92887
Tel: [phone], Fax: [phone]
www.bkprecision.com
Specifications subject to change without notice
Data Sheet
Models 1740B, 1743B,
1746B, 1744A & 1745A
Single Output DC Power Supplies
Output Voltage 0-60 V 0-35 V 0-16 V 0-35V 0-35V
Output Current 0-4 A 0-6 A 0-10A 0-10A 0-10A
Constant Voltage
Operation
Voltage Regulation
Line (120VAC ±10%) <
0.2% + 2mV
Load (no load - full load) <
0.04% + 2mV
Recovery Time <
100 µs
Ripple & Noise 1mV rms (Typical)
Temperature Coefficient <
300 ppm/°C
Constant Current
Operation
Adjustable Current Limit 5% to 100%
Current Regulation
Line (120VAC ±10%) <
0.4% + 5mA
Load <
0.4% + 5mA
Current Ripple <3mArms
Metering
Type 2-Analog Dual 4-digit LED 2-Analog 2-Analog Dual 4-digit LED
Voltmeter Range 0-64V 0-99.99V (green) 0-16V 0-40V 0-99.99V
± (0.5% rdg +
Voltmeter Accuracy ±2.5% ±2.5% +2.5% ±(0.7% + 9 digits)
9 digits)
Ammeter Range
High Range 0-4.4 A 0-9.999 A (red) 0-11 A 0-11 A 0-9.999
Low Range 0-1.1 A -- 0-2.2 A 0-2.2 A --
± (0.5% rdg +
Ammeter Accuracy ± 2.5% ± 2.5% ± 2.5% ±0.7% + 9 digits
9 digits)
Overload Protection Current limiting, reverse polarity, overvoltage, short circuit
Power Requirements 120/220 VAC ±10%, 50/60 Hz
Power Consumption 450W 420W 380W 560W 560W
Operating Temperature 32° to 104°F (0˚ to 40˚C), <75% R.H.
Storage Temperature 5° to 158°F (-15° to +70°C), <
85% R.H.
Specifications
models
1740B 1743B 1746B 1744A 1745A
B+K Precision models 1744A and 1745A are 0 to 35V, 0 to 10A DC Power Supply. These power supplies have all
of the great features you would expect B+K Precision power supplies to have and some new features not normally
seen on power supplies in this price range. The output-shorting button allows the user to short the output terminals to
set the current limit.
■ Largest selection of voltage and current
ratings ever offered
■ Connect two supplies in parallel to
double the current output
■ Connect two supplies in series to double
the voltage output
■ Reliable, Durable
■ Operate continuously at full load without
overheating
■ Fully overload protected
■ Coarse and fine voltage controls
■ Excellent regulation
■ Very low ripple
■ Constant voltage or constant current
operation
■ Continuously monitor voltage and cur-
rent output on two meters
Model 1743B
Model 1740B