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Meter
Oscilloscope
DC Power Supply
Spectrum Analyzer
Network Analyzer
RF Signal Generator
RF Measurement
Signal Generator
Environmental Chambers
Data Acquisition
Thermal Imaging
Telecommunication
RF Test Accessory
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Manufacturer
Agilent Tektronix Fluke TestEquity Keithley Sorensen Magna-Power Electronics Chroma B&K Precision Extech Flir Instek Hioki Topward Amprobe QuadTech Rohde & Schwarz Advanced Fiber Solutions Precision Rated Optics Elgar California Instruments Anritsu Aeroflex/IFR/Marconi Advantest Giga-tronics TTC/Acterna Noise Com Astro-Med Xantrex

Topward 3000 and 6000 Series Specifications

Single Output Models
Rating	Metering	Model
0-18 V, 0-5 A	Digital	3185D
0-30 V, 0-3 A	Analog	3303A
0-30 V, 0-3 A	Digital	3303D
0-30 V, 0-6 A	Digital	3306D
0-30 V, 0-10 A	Digital	33010D
0-60 V, 0-1 A	Digital	3601D
0-60 V, 0-3 A	Digital	3603D

Triple Output Models
Rating	Metering	Model
0-30 V (x2), 0-2 A	Analog	6302A
0-30 V (x2), 0-2 A	Digital	6302D
0-30 V (x2), 0-3 A	Analog	6303A
0-30 V (x2), 0-3 A	Digital	6303D
0-30 V (x2), 0-6 A	Analog	6306A
0-30 V (x2), 0-6 A	Digital	6306D
0-60 V (x2), 0-3 A	Analog	6603A
0-60 V (x2), 0-3 A	Digital	6603D
All triple models have a third, fixed 5 V @ 5 A output

General Specifications
Output Voltage	Zero to rated voltage continuously variable with front panel voltage knob
Output Current	Zero to rated current continuously variable with front panel current knob
Line Regulation	CV: ±0.01% + 2 mV CC: ±0.01% + 2 mA
Load Regulation	CV: ±0.01% + 2 mV CC: <10 mA @ 100 W; <1 mVrms @ above 100 W
Ripple & Noise	CV: <0.5 mVrms @ 100 W; <1 mVrms @ above 100 W CC: <1 mArms @ 100 W; <3 mArms @ above 100 W
Transient Response	<100 µS to within 0.1% of set voltage (50% to 100% load change)
Output Impedance	<2 mΩ + 2 mH
Operating Range	0 to +40°C ambient temperature
Display Accuracy	Analog Meter: 3% of full scale Digital Meter: < 0.1% + 2 digits
Overload Protection	Automatic crossover from CV to CC mode
Series Connection	Different models can be placed in series to increase output up to 240 VDC
Parallel Connection	Another identical model number can be paralleled to increase output to 24 Amps
Input Power Requirement	100 / 120 / 220 / 240 ± 10% VAC; 50 / 60 Hz, single phase
Accessories Supplied	Power cord; hook-up leads; instruction manual
Other Specifications 6000 Series Only
5 V / 5 A Fixed Supply	Output: 5 V ± 0.25 V Regulation: < 10 mV Ripple & Noise: < 2 mVrms
Tracking Accuracy	± 0.2% + 10 mV
Operation Mode Switch
Independent	Two fully independent variable supplies at rated voltage and current and a fixed 5 V / 5 A supply
Series	One variable suply with 2X rated voltage output at rated current. Or, one dual polarity tracking supply with rated output and current. Plus, a fixed 5 V / 5 A supply
Parallel	One variable supply with rated voltage at 2X rated current and a fixed 5 V / 5 A supply

Physical Characteristics
Model	Weight (lb)	Dimensions (in) W x H x D
3185D, 3302D, 3303A 3303D, 3601D	9.5	4.7 x 6.3 x 7.9
3306D, 3603D	18.9	9.1 x 6.3 x 12.8
6302A, 6302D, 6303A 6303D	19.8	9.1 X 6.3 X 12.8
33010D, 6306A, 6306D 6603A, 6603D	28.6	9.1 X 6.3 X 14.4


3303A	3185D, 3303D, 3601D


6000A Series	6000D Series

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