The PPD Series of GPIB Dual Output Programmable DC Power Supplies is the best cost per watt DC Power Source, ideally suited for virtually all applications. You can choose among three versatile models in ‘most-used’ voltage and current ratings. All models offer excellent reliability and flexibility of use. Voltage upto 70V (series operation) and currents upto 8A can be selected using dual channel outputs.

Technical Specifications
Output Parameters	PPD3503	PPD1805	PPD1835
NUMBER OF OUTPUT CHANNELS	TWO	TWO	TWO
RATED OUTPUTS
Channel 1	0-35V/0-3A	0-18V/0-5A	0-18V/0-5A
Channel 2	0-35V/0-3A	0-18V/0-5A	0-35V/0-3A
Output Voltage Resolution	10mV	10mV	10mV
Output Current Resolution	10mA	10mA	10mA
Output Voltage Regulation	±0.01% +1mV	±0.01% +1mV	±0.01% +1mV
Output Current Regulation	3mA	3mA	3mA
Output Voltage Accuracy	<0.1% of F.S. ±10mV	<0.1% of F.S. ±10mV	<0.1% of F.S. ±10mV
Output Current Accuracy	<0.5% of F.S. ±10mA	<0.5% of F.S. ±10mA	<0.5% of F.S. ±10mA
Readback Accuracy (in Remote)	<0.1% of F.S. ±1Digit. For Voltage <0.5% of F.S. ±1Digit. For Current	<0.1% of F.S. ±1Digit. For Voltage <0.5% of F.S. ±1Digit. For Current	<0.1% of F.S. ±1Digit. For Voltage <0.5% of F.S. ±1Digit. For Current
OUTPUT RIPPLE
Constant Voltage Operation	1.0mV rms	1.0mV rms	1.0mV rms
Constant Current Operation	2.0mA rms	2.0mA rms	2.0mA rms
PROGRAMMABLE PARAMETERS
Programmable Channels	Channel 1 & 2	Channel 1 & 2	Channel 1 & 2
Setting Resolution of O/P Voltage	20mV per BIT (12 BIT DAC Inside)	10mV per BIT (12 BIT DAC Inside)	10mV per BIT (12 BIT DAC Inside)
Setting Resolution of O/P Current	10mA per BIT (12 BIT DAC Inside)	10mA per BIT (12 BIT DAC Inside)	10mA per BIT (12 BIT DAC Inside)
INPUT PARAMETERS
Input Voltage Range	115V / 230V AC ±10%	115V / 230V AC ±10%	115V / 230V AC ±10%
Input Frequency Range	47-63 Hz	47-63 Hz	47-63 Hz
Input Current Max.	4A max.	4A max.	4A max.
MODE OF OPERATION
Local Mode	User Friendly Rubber Keypad	User Friendly Rubber Keypad	User Friendly Rubber Keypad
Remote Mode Interface	RS232 & GPIB Interface (IEEE-488.2 & SCPI compatible)	RS232 & GPIB Interface (IEEE-488.2 & SCPI compatible)	RS232 & GPIB Interface (IEEE-488.2 & SCPI compatible)
OUTPUT INDICATIONS
Indications	2 x 16 Alphanumeric Character Vacuum Fluorescent Display	2 x 16 Alphanumeric Character Vacuum Fluorescent Display	2 x 16 Alphanumeric Character Vacuum Fluorescent Display
PROTECTIONS
Over Voltage Protection	0-36V	0-19V	0-19V (For Channel 1) 0-36V (For Channel 2)
Over Current Protection	0-3.2A	0-5.2A	0-5.2A (For Channel 1) 0-3.2A (For Channel 2)
Over Temp. Protection	Fixed	Fixed	Fixed
OPERATING ENVIRONMENT
Temperature	0 - 40ºC.	0 - 40ºC.	0 - 40ºC.
Relative Humidity	<80% Rh - Non Condensing	<80% Rh - Non Condensing	<80% Rh - Non Condensing
Storage Temperature	-20ºC to +60ºC	-20ºC to +60ºC	-20ºC to +60ºC
Warmup Time	15 minutes	15 minutes	15 minutes
DIMENSIONS (H x W x D)	133 (3U) x 483 x 350 (mm)	133 (3U) x 483 x 350 (mm)	133 (3U) x 483 x 350 (mm)
WEIGHT	10 Kg. max.	10 Kg. max.	10 Kg. max.
OPTIONS
Output ON/OFF Relay	Available	Available	Available
Polarity Relay	Not Available	Not Available	Not Available
Sense Relay	Not Available	Not Available	Not Available