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1. DVM and User accessible mQ meter fuse Temperature controlled cooling fan Serial interface connector for RS232 or USB communication USB communication cable is optional Remote Sense and digital port functionality www bkprecision com Specifications 9120A 0 32V 0 3A 9124 0 72V O 1 2A lt 0 01 2mV lt 0 05 0 3mA lt 0 01 ImV lt 0 05 0 05mA 0 1mV 0 05mA 9121A 0 20V O37 lt 0 01 2mV lt 0 05 I mA Output Ratings 0 C 40 C Load Regulation of output offset Line Regulation lt 0 01 ImV of output offset lt 0 05 0 I mA Programming resolution 0 I mA Readback Meter resolution 0 5mV 0 0ImA 0 05mA 0 0ImA 0 I mA 0 I mA setting resolution Programming accuracy lt 0 03 3mV lt 0 03 6mV I 2months 25 C 5 C lt 0 05 2mA lt 0 05 I mA of output offset Readback Meter accuracy I 2months 25 C 5 C of output offset Ripple amp Noise 20Hz 20MHz Temperature coefficient 0 C 40 C of output offset Readback temperature coefficient of output offset DVM Accuracy lt 0 02 3mV lt 0 05 2mA sine lt 0 02 3mV lt 0 05 2mA lt 0 02 5mV lt 0 05 I mA lt 5mVp p lt 3mArms lt 0 02 5mV lt 0 05 0 5mA lt 0 02 3mV lt 0 05 2mA lt 0 02 SmV lt 0 05 0 5mA O 12V range 0 02 2mV O 4OV range 0 02 3mV O 12V range 0 1mV O 40V range ImV 0 1
2. for Voltage and Current 10 of full scale 0 3 for Voltage and Current 3 of full scale 50 user configurable memory locations 0 to 40 C lt 75 R H 20 to 70 C lt 85 R H I 1SV 220VAC 10 47 to 63Hz 19 8 Ibs 9 kg 8 45in W x 3 8in H x 13 9in D 214 5mm W x 88 2mm H x 354 6mm D One Year Warranty DVM Resolution Milliohm Meter Accuracy State Storage Memor Operating Temperature Storage Temperature Power Requirements Weight Dimensions Accessories Supplied User manual line cord RS232 communication cable Software Installation disk Optional IT E132 USB communication cable IT E1S1 rack mount kit TLPS Power supply test lead kit TL 9120 Stacking retractable sleeve plug cable kit For a list of available accessories visit www bkprecision com The 9120 series uses 4mm sheathed banana jacks that accept sheathed or shrouded banana plugs and meet the latest international safety standards Models 9120A 9121A amp 9124
3. from non volatile memory High resolution display Encoder knob for quick analog style control Selection Chart orale 91200 91214 9124 Output Voltage 0 32V 0 20V 0 72V Output Current 0 3A 0 SA 0 1 2A Numeric keys for direct Output ON OFF 4mm sheathed entry of voltage and current switch values safety banana jacks Specifications subject to change without notice B amp K Precision Corporation 22820 Savi Ranch Parkway Yorba Linda CA 92887 Tel 714 921 9095 Fax 714 921 6422 www bkprecision com Remote Interface The power supplies can be remotely controlled from any PC with USB or RS232 interface allowing the user to program and monitor all parameters through easy to use SCPI commands The power supplies come with a RS232 communication cable A USB communication cable is available as option Extra Features The 9120 series digital port offers a variety of configurations The port can operate in Digital I O external Trigger and DFI RI Discrete Fault Indicator Remote Inhibit mode The RI feature can be used for turning several power supplies On Off simultaneously External triggering can be used in combination with List mode The included Application Software supports front panel emulation and allows users to generate simple test sequences without the need to write source code Additionally the power supply comes with a built in 51 2 digit DVM and high resolution milliohm meter supporting 4 wire measurements
4. BK Peecicioar Model 9120A Min Ww IDAN 9121A amp 9124 ELECTRONIC TEST INSTRUMENTS Single Output Programmable DC Power Supplies Data Sheet Single Output Programmable DC Power Supplies Models 9120A 9121A 9124 B K Precision models 9120A 9121A and 9124 are laboratory grade Programmable DC Power Supplies providing great performance and features not found in other supplies in this price category The 9120 series are designed to meet the needs of today s applications in R amp D design verification production testing or university labs that require clean and reliable power high resolution and accuracy and fast transient response time _ E B 7 i i t i I oo om tn im ie ee i H i Ce Pe M I E E Excellent display resolution Vdd D P E E p ar ay r F i E Low ripple and low noise n 9120A E Outstanding temperature stability E Fast transient response time lt 20ms E SCPI compatible E Front and Rear Output Terminals Front Panel Operation The numeric keys and rotary knob provide a convenient interface for setting output levels quickly and precisely Voltage and Current can be set to a maximum resolution of 0 5mV 2mV for 9124 and 0 I mA respectively Up to 50 parameters can be stored and recalled from internal memory E Closed case calibration E Compact size for bench use or rack mountable 2U x 1 2U size E List mode operation for increased throughput Download and execute command sequences

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