Instruction manual

25
Models 1900 1901 1902
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 Sensing (model 1900 only)
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 10.8” (200 x 90 x 275 mm)
Weight 7 lbs (3.2 kg)
Supplied 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. Specifications are
subject to change without notice.
*For 230 V version, request EXD model on order: 1900EXD, 1901EXD, or 1902EXD.
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