Manual
2 www.bk prec ision.c om
Rear Panel
Low Current High Resolution DC Power Supply, 30 V, 1 A
M
odel 1739
Front Panel
LED indicators for
constant voltage and
constant current modes
Bright, 4-digit
LED displays
Output terminals
Voltage and
current
coarse and
fine control
RS-232 interface enables the
instrument to be remotely
controlled via PC
Fanless heatsink
design for quiet
bench operation
Specifications
Note: All specifications apply to the unit after a temperature stabilization time of 30 minutes.
v080612
Model 1739
Output Rat ing s (0 °C~ 40 °C)
Voltage 0-30 V
Current 0-999.9 mA
Load Regulation ±(% of output+offset)
Voltage 0.04% + 1 mV
Current 0.4% + 0.1 mA
Line Regulation ±(% of output+offset)
Voltage 0.1% + 3 mV
Current 0.4% + 0.3 mA
Ripple & Noise (20 Hz ~ 20 MHz)
Voltage <1 mVrms
Current ≤ 0.4 mArms
Recovery Time
≤ 75 μs
Mete r Resolution
Voltage 10 mV
Current 0.1 mA
Mete r Accuracy
Voltage 0.5% + 2 digits
Current 0.5% + 2 digits
Ge neral
Power Requirements 110/220 VAC ±10%, 50/60 Hz
Power Consumption ≤ 70 VA
Protection Reverse polarity, current limiting
Oper ating Environment
Temperature 32 °F to 104 °F (0 °C to 40 °C)
Humidity 75% R.H.
Temperature coefficient (0 °C~35 °C)
±(%of output+offset)
300 ppm/°C
Storage Temperature 5 °F to 158 °F (-15° to +70° C)
Storage Humidity 85% R.H.
Mechanical Specificati ons
Weight 9 lbs (4 kg)
Dimensions (W x H x D)
5.5” x 6.2” x 12.5"
(140 x 158 x 318 mm)
Three Year Warranty
Supplied Accessories Power cord, instruction manual, RS232 cable
PC Connectivity
Control your instrument via RS-232 interface through the application
software* or by sending programming commands. The application soft-
ware provides a virtual front panel and a simple data logging function to
store and log data to a text or CSV file.
*Available for download at www.bkprecision.com