Multi-range power supply models BK9103 and BK9104 can replace several power supplies on your bench by offering extended operating areas. Unlike conventional supplies with fixed output ratings, these power supplies automatically recalculate voltage and current limits for each setting, providing 320 W output power in any voltage/ current setting within the supply’s rated voltage and current limits. Features and Benefits: • Automatic CV/CC crossover operation• Remote Sense• Save up to 3 user-defined voltage and current presets for quick recall• Transient mode for generating square, triangular or trapezium waveforms• PC software for remote control and external timed programming• Analog remote control function and USB interface• Output on-off switch and control panel lock button for safer operation• Overvoltage and overcurrent protection

Features include: 0.5 Hz to 5 MHzSine, Square, Triangle, Pulse, & Ramp outputCoarse and Fine tuning4 digit LED displayVariable duty cycleVariable DC offsetVariable amplitude output plus 20dB attenuator20Vpp output into open circuit (10Vpp into 50 Os)cUL certified

B&K Precision Model 1901 High Power Switching DC Power Supply Model 1901B is a laboratory grade switching mode DC power supply with high current output in a small form factor and lightweight package. The supplies provide various configurations of high output voltage or high output current and make setting voltage and current levels fast and precise through its dual action, coarse/fine rotary encoder control. In addition to constant voltage (CV) and constant current (CC) modes, the high efficiency DC power supplies offer a unique solution with its preset and remote control modes. Save up to three different presets of voltage and current values for quick recall. The remote control function allows the output power, voltage, and current to be adjusted without touching the front panel of the power supply. A remote sensing terminal is also available for use to compensate for long output line losses. These features make the 1900B Series suitable for a wide range of applications including production testing, telecommunications, R&D, service, and university labs. Features and Benefits Automatic CV/CC crossover operationLightweight and compactRotary encoder control for precise voltage and current setting3 user-defined voltage and current presetsRemote control functionRemote sensing terminalOvervoltage, overtemperature and overload protection Areas of Application Production testingTelecommunicationsR&DServiceUniversity laboratories

B&K Precision Model 1739 Low Current High Resolution DC Power Supply B&K Precision model 1739 low current high resolution DC power supply has excellent load regulation and low noise characteristics. Two 4-digit LED displays continuously monitor the output voltage and current. The power supplies can be operated locally from the front panel or remotely through the RS-232 interface. The mechanical configuration conserves bench space and allows for easy portability.Using a MOSFET circuit design and high quality components with very low temperature coefficients, the power supply is extremely stable and capable of outputting current as low as 1 mA with a 100 μA settable resolution. This power supply was designed for electrical and electronics applications requiring precise levels of low current, including 4-20 mA current loop testing, calibration or basic IC testing. Features and Benefits Low 1 mA settable current limit with 0.1 mA resolutionOutput on/off buttonLow ripple and noiseExcellent regulationConstant voltage (CV) and constant current (CC) operationTwo large, easy-to-read LED displays provide good visibility in bright or low lightLED indication for CV and CC modesSaved programmed values upon power-upRS-232 interfacePre-regulator for limiting internal dissipation for higher reliabilityIsolated outputOverload protectionReverse polarity protectionPower-on self testModern functional configuration conserves bench space and aids portability Areas of Application 4-20 mA loop testingCalibrationIC testingService shopsEngineering laboratoriesProduction testingSchool laboratoriesHome use by hobbyists

The MDL4U Series is a multi-channel modular programmable electronic load system. Seven different modules of programmable DC loads ranging in power from 200 W to 600 W provide users the flexibility to test a wide range of power sources from multi-output AC/DC power supplies to batteries, fuel cells, and photovoltaic arrays. Modules offer wide voltage and current range, 0 to 500 V, 0 to 120 ASupport for up to 4 modules/8 channels or 8 modules/16 channels with mainframe extensionTransient mode up to 25 kHzSynchronous Load on/off function Adjustable slew rate in CC modeStandard LAN, GPIB, USB, and RS232 interfaces with USBTMC/SCPI protocol supportShort circuit test simulates a short at the inputBuilt-in 16-bit resolution voltage and current measurement (0.1 mV, 0.01 mA)Remote voltage sensing to compensate for the effect of voltage drop in wiresOperate identical modules in parallel mode for high current applicationsOVP/OCP/OPP/OTP and reverse voltage protection The mainframe has four slots that can be configured with any assortment of the modules up to 2400 W (up to 4800 W with mainframe extension). The high-performance electronic load modules of the MDL4U Series are capable of operating in constant current (CC), constant voltage (CV), constant resistance (CR), constant power (CW), and constant impedance (CZ) mode, which uses DSP technology to simulate non-linear loads and realistic loading behaviour. MDL4U001 Mainframe for MDL4U DC Load ModulesMDL4U002 Mainframe Extension for MDL4U DC Load Modules MDL4U200 80V/40A/200W DC Load Module_4UMDL4U252* 80V/20A/250W 2 CH DC Load Module_4UMDL4U302* 80V/45A/300W 2 CH DC Load Module_4UMDL4U305 500V/2 The MDL4U252 and MDL4U302 are dual-channel modules. MDL4U252 users can allocate 250 W to either channel up to 300 W total (e.g. 50 W/250 W, 250 W/50 W, 150 W/150 W). MDL4U302 users can allocate 300 W to either channel up to 600 W total (e.g. 300 W/300 W). MDL Series (non-4U) modules are not compatible with newer MDL4U Series mainframe model MDL4U001 or mainframe extension model MDL4U002.

The MDL4U Series is a dual-channel modular programmable electronic load system. Seven different modules of programmable DC loads ranging in power from 250 W provide users the flexibility to test a wide range of power sources from multi-output AC/DC power supplies to batteries, fuel cells, and photovoltaic arrays. Modules offer wide voltage and current range, 0 to 500 V, 0 to 120 ASupport for up to 4 modules/8 channels or 8 modules/16 channels with mainframe extensionTransient mode up to 25 kHzSynchronous Load on/off function Adjustable slew rate in CC modeStandard LAN, GPIB, USB, and RS232 interfaces with USBTMC/SCPI protocol supportShort circuit test simulates a short at the inputBuilt-in 16-bit resolution voltage and current measurement (0.1 mV, 0.01 mA)Remote voltage sensing to compensate for the effect of voltage drop in wiresOperate identical modules in parallel mode for high current applications OVP/OCP/OPP/OTP and reverse voltage protection The mainframe has four slots that can be configured with any assortment of the modules up to 2400 W (up to 4800 W with mainframe extension). The high-performance electronic load modules of the MDL4U Series are capable of operating in constant current (CC), constant voltage (CV), constant resistance (CR), constant power (CW), and constant impedance (CZ) mode, which uses DSP technology to simulate non-linear loads and realistic loading behaviour. MDL4U001 Mainframe for MDL4U DC Load ModulesMDL4U002 Mainframe Extension for MDL4U DC Load Modules MDL4U200 80V/40A/200W DC Load Module_4UMDL4U252* 80V/20A/250W 2 CH DC Load Module_4UMDL4U302* 80V/45A/300W 2 CH DC Load Module_4UMDL4U305 500V/2 The MDL4U252 and MDL4U302 are dual-channel modules. MDL4U252 users can allocate 250 W to either channel up to 300 W total (e.g. 50 W/250 W, 250 W/50 W, 150 W/150 W). MDL4U302 users can allocate 300 W to either channel up to 600 W total (e.g. 300 W/300 W). MDL Series (non-4U) modules are not compatible with newer MDL4U Series mainframe model MDL4U001 or mainframe extension model MDL4U002.

The MDL4U Series is a multi-channel modular programmable electronic load system. Seven different modules of programmable DC loads ranging in power from 200 W to 600 W provide users the flexibility to test a wide range of power sources from multi-output AC/DC power supplies to batteries, fuel cells, and photovoltaic arrays. Modules offer wide voltage and current range, 0 to 500 V, 0 to 120 ASupport for up to 4 modules/8 channels or 8 modules/16 channels with mainframe extensionTransient mode up to 25 kHzSynchronous Load on/off function Adjustable slew rate in CC modeStandard LAN, GPIB, USB, and RS232 interfaces with USBTMC/SCPI protocol supportShort circuit test simulates a short at the inputBuilt-in 16-bit resolution voltage and current measurement (0.1 mV, 0.01 mA)Remote voltage sensing to compensate for the effect of voltage drop in wiresOperate identical modules in parallel mode for high current applications OVP/OCP/OPP/OTP and reverse voltage protection The mainframe has four slots that can be configured with any assortment of the modules up to 2400 W (up to 4800 W with mainframe extension). The high-performance electronic load modules of the MDL4U Series are capable of operating in constant current (CC), constant voltage (CV), constant resistance (CR), constant power (CW), and constant impedance (CZ) mode, which uses DSP technology to simulate non-linear loads and realistic loading behaviour. MDL4U001 Mainframe for MDL4U DC Load ModulesMDL4U002 Mainframe Extension for MDL4U DC Load Modules MDL4U200 80V/40A/200W DC Load Module_4UMDL4U252* 80V/20A/250W 2 CH DC Load Module_4UMDL4U302* 80V/45A/300W 2 CH DC Load Module_4UMDL4U305 500V/2 The MDL4U252 and MDL4U302 are dual-channel modules. MDL4U252 users can allocate 250 W to either channel up to 300 W total (e.g. 50 W/250 W, 250 W/50 W, 150 W/150 W). MDL4U302 users can allocate 300 W to either channel up to 600 W total (e.g. 300 W/300 W). MDL Series (non-4U) modules are not compatible with newer MDL4U Series mainframe model MDL4U001 or mainframe extension model MDL4U002.

B&K Precision Model 2831E, 4 Digit True RMS Bench Multimeter B&K Precision model 2831E is a versatile and dependable bench-top digital multimeter. It takes typical multimeter measurements such as volts, ohms and amps with great accuracy and stability. Readings can be taken at a maximum rate of 25 readings/sec with measurement rates selectable between slow, medium, and fast. This instrument is suitable for applications in education, service and repair and manufacturing requiring basic and reliable measurements. The 2831E has excellent quality, good resolution making it an essential part of the test bench. This multimeter has built-in math functions not found in other bench meters in this price category. The 2831E is an attractive choice for cost-conscious users requiring a basic and dependable meter with a broad range of extra features offered at a value price. Another feature is the ability to perform two measurements at once, for example Volts AC and DC or Volts AC and frequency. The LCD has a 20,000-count resolution, meaning it can display up to 19,999 units (4 1/2 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category I installations up to 1,000V (which covers protected electrical equipment such as small household appliances). Also Category II installations up to 300V (which covers large household appliances and devices connected to a fixed power supply, such as refrigerators and air conditioners). Features and Benefits: Up to 20,000 Count display resolution 4 1/2 Digit Duel LED Display for clear reading in the darkest environmentBasic VDC accuracy of up to 0.03%Dual display to indicate two measurements simultaneouslyAC + DC True RMS for accurate interpretation of any waveform signalUp to 25 readings per second measurement rateAC volt and amp measurement over wide frequency range (ACV 100 kHz/ACI 20 kHz)Limit mode for Pass/Fail testingBuilt-in math functions: Rel; Max/Min; dBm; dB; %; Hold; CompareCATI (1000 V)/CATII (300 V) ProtectionUSB (Virtual Com)SCPI compatible Increase Productivity with PC Connectivity and Math Functions The built-in math operations Rel, Max/Min, dBm, dB, Percent (%), and Hold enhance your productivity and provide educators with a convenient tool to teach basic math concepts.The 2831E is programmable via USB interface using industry standard SCPI commands. You can control and configure the instrument from a remote PC and retrieve measurement results for further analysis. Limit Operation The 2831E’s limit operation lets you set and control the values that determine a HI / IN / LO status of subsequent measurements. The meter can be configured to emit an audible alarm when readings are outside of the configured limit. Applications Service and repairManufacturingEducationalTest & measurement fields that require basic measurements

B&K Precision Model 9801 Programmable AC Power Source B&K Precision model BK9801 is both a programmable AC source and a measurement tool. It delivers a maximum 1500 VA through the universal line output terminals on the front panel and the output connector to the rear of the instrument. The output can be varied from 0 to 300 V with 0.1 V programming resolution. The output frequency can also be adjusted from 45 Hz to 500 Hz with start and stop phase angle from 0 to 360 degrees. The bright VFD display shows Vrms, Irms, Ipeak, frequency, power factor (PF), apparent power, true power and elapsed output time.The AC source provides a power line disturbance (PLD) simulator, list mode and sweep mode for simulation of common power grid faults and disturbances. A built-in dimmer function is also available for testing motors and LEDs. Features and Benefits 0 to 300 V low distortion AC power sourceOutput frequency adjustable from 45 Hz – 500 HzSelect 150 V / 300 V autoranging or 300 V range operation for continuous sweep from 0 - 300 VDisplays Vrms, Irms, Ipeak, frequency, PF, apparent power, true power and elapsed output timeAdjustable phase angle controlBuilt-in PLD and dimmer simulationVoltage and frequency sweep modeDownloadable LabVIEW driver and soft panel software for remote controlStandard USB (USBTMC-compliant), RS232 and LAN interfacesPre-compliance testing for voltage dips and frequency simulation according to IEC61000-4-11 / 4-14 / 4-28 Areas of Application Evaluating transformers, TRIACs, SCRs and passive componentsProduction, R&D, service and pre-compliance testing

Maximum input power up to 600 WCC/CV/CR/CW operating modesTransient mode up to 10 kHz in CC mode16-bit voltage and current measurement system with up to 0.1 mV / 0.1 mA resolutionList mode and adjustable slew rate in CC modeShort circuit testBuilt-in battery test function with voltage level, capacity level, and timer stop conditionsCR-LED mode to simulate the loading behaviour of typical LEDsRemote voltage sensing to compensate for the effect of voltage drop in wiresAnalog current control and monitoringTTL (DB9) interface, includes TTL to USB adapterOVP/OCP/OPP/OTP and local/remote reverse voltage (LRV/RRV) protection

The 316 is the perfect Clamp Meter for many electronic applications. Because this meter was designed to measure smaller amounts of current it is ideal for quick non-intrusive current measurements. Auto power off4 Digit LCD displayLow battery indicator0.49" Clamp openingOverload protectionAC/DC Amp ranges 10A, 80A & 100A1mA (10A range) & 10mA resolutionMeasures current between 5% to 100% full scaleMeasures AC/DC Volts to 600VMeasures resistance to 10K ohmsOne year warranty

B&K Precision Model 9129B Triple Output Programmable DC Power Supply B&K Precision model 9129B is an economical triple output linear programmable DC power supply. It features isolated outputs that can be adjusted independently or combined in series or parallel to output higher voltage or current. The 9129B can operate in tracking mode with user-configurable ratios between channels. The front panel keys and rotary knob, with convenient cursors, let users quickly set voltage and current values. Up to 27 different instrument settings can be saved and recalled. The power-on state of the outputs can also be configured.The USB to TTL interface supporting SCPI commands can be used to remotely control the power supply via a PC. Alternatively, users can use the provided PC software application to control the 9129B, execute test sequences or log measurements. This software also integrates with Data Dashboard for LabVIEWapps (enabling iOS, Android or Windows 8 compatible tablets or smartphones to remotely monitor select measurement indicators). Features and Benefits Three independent and electrically isolated outputsDisplays voltage and current settings for all three channels simultaneouslyLow noise, linear regulationSeries and parallel modes combine channels to increase the output voltage or currentTracking mode allows users to set up channels to maintain a programmed ratioFully programmable channels with Output On/Off controlStore and recall up to 27 instrument settingsCommunicate via USB interface supportingSCPI commands using the included USB to TTL serial adapterOvervoltage (OVP) and overtemperature (OTP) protection including keylock functionCompact 19 in half-rack form factor allows for side-by-side rack mounting of two units Areas of Application EducationServiceElectronic design