654T - Transmitter, Dual DC Voltage Input, Loop-Powered These units accept DC voltage input signals, provide isolation, and output proportional DC current signals.

DT-5301 - LOOP/PSC Tester Custom microprocessor controlled for highest accuracy and reliability

EL-USB-4 - 4-20mA Current Loop USB Data Logger This data logger measures and stores up to 32,000 current loop readings over flashing red and green LEDs. The data logger features a pair of screw terminals and is supplied complete with a a 4-20mA d.c. measurement range. The user can easily set up the logging rate and start time, and download the stored data by plugging the module straight into a PCs USB port and running the purpose designed software under Windows 2000, XP or Vista

GDH-200 - Loop Resistance Tester GDH-200 Loop Resistance Tester is designed to measure circuit loop resistance(contact resistance) of high/low voltage switch,power cable and wires,and weld joint.

MOHT- B series - Open Loop Method ●Hall effect measurement for DC/AC/Pulsed current. ●For the use of UPS, batteries, switching power supply, DC motor drivers, etc.

ASC Series - Closed Loop Stepping Motors The AlphaStep is a revolutionary hybrid stepping motor and driver package which eliminates missed steps, a common problem with stepping motors. The AlphaStep uses a built-in feedback device that constantly monitors the motor shaft to detect and correct for loss of synchronism. Geared models are available.

WENS 30C - Loop Calibrator 4 1/2digits Large display and simple, quick-click interface for easy one-handed operation. Simultaneous mA and % read out for quick, easy interpretation of readings. 24 volt internal loop supply, so you can power and read a transmitter at the same time with carry a DMM

Hardware-in-the-Loop Test Systems Wineman Technology is a world-class innovator in the design, build, and implementation of complete hardware-in-the-loop (HIL) and model-in-the-loop (MIL) systems. As an early pioneer, we developed a complete HIL/MIL software platform using National Instruments LabVIEW that is now NI’s flagship HIL/MIL product, NI VeriStand.

3G3MX2 - High Performing Open Loop Vector Micro AC Drives # Open Loop Vector Control for all general purpose to high performance applications including conveyors, mixers, fans and pumps # High starting torque: 200% at 0.5 Hz allows start of high inertia loads # Safety embedded double input and external device monitor # Side-by-side mounting saves panel space # Restart function allows automatic recovery from momentary power loss # Built-in PID function eliminates the need for external controller

CL110 Series - PRECISION CURRENT LOOP CALIBRATOR Best in Class Accuracy at 0.01% of Reading • Small Rugged Design Operates on 6 “AAA” Batteries (Included) • 24 Vdc Loop Power for mA Measure Mode • Intuitive Interface with Quick-Set Knob • Simple 2 Wire Connection for All Measurements • Auto Shutdown to Conserve Battery Life (Adjustable up to 30 Minutes) • Variable Step and Ramp Functions in Seconds • Adjustable Span Selection (0 to 20 or 4 to 20 mA)

EZ-ZONE™ - Integrated Control Loop Watlow's new EZ-ZONE ST integrated thermal loop solid state controller also offers complete thermal system control in a single package solution. You get a PID temperature controller already connected to a high amperage solid state relay with the option of adding a properly sized heat sink, an over/under temperature limit, a shut-down power contactor, digital communications and a remote user interface in one complete and professionally engineered product.

Closed Loop Current Sensors Closed loop sensors measure dc and ac currents and provide electrical isolation. They offer fast response, high linearity and low temperature drift. The current output of the closed loop sensor is relatively immune to electrical noise. They are the sensor of choice when high accuracy is essential.

207A - Outlet Loop RCD Tester First Socket test to indicate actual fault location - Live, Neutral or Earth Earth loop test at main frequency to check the actual condition of the installation Swift and efficient testing of RCDs by 30mA Microprocessor control with built-in visible self-check ensures total confidence in correct functioning at all time. four socket versions available: Euro major(Schuko), UK, USA/Japan/Brazil, Australia/Argentina/China. Customized socket version is welcomed

Model 65A - - RS-232 to Current Loop Converter FEATURES: Active/Passive Loops; 20 or 60 mA. Operation; DC To 19.2 KBPS; Half/Full Duplex; Optically Isolated; DTE/DCE Selectable. The Model 65A is a small, versatile, RS-232 to Current Loop Converters for use with teletypes or computers providing local terminal input via a 20mA. (or 60 ma.) current loop. The Model 65 includes a wall mounted transformer and internal power supply circuitry.

535 - 4-20 & 10-50 mA / V Dual Range Loop Calibrator Practical Instrument Electronics (PIE) Model 535 brings you the features of the original Model 532 for 10-50 milliamp process loops. On power up you can select 4-20 or 10?50 mA. The EZ-Dial knob and EZ-Check switch are all that's needed to make quick adjustments or set 0% or 100% of full scale. The EZ-Step? button provides one-handed stepping.?

4-20mA Loop Powered Process Monitors When the industry leader in miniaturized digital panel meters and low-power LED/LCD technology decides to develop a line of 4/20mA and 0-10V process control monitors, you can expect some impressive results. How about a 4-20mA loop-powered, 3½ digit local readout with a bright LED display that can be read from as far away as 15 feet, even at 4mA? Or loop-powered LCD meters with either 3½ or 4½ digit resolution and three different display sizes? Plus they are all astonishingly simple to install and surprisingly affordable.

9001780915 - Cablemate LOOP a LINE The Loop a Line is a product developed specifically for telecommunications technicians involved in fault location activities. It provides the functionality to remotely switch the line through 4 positions: open, short, tone and exchange

232CL4R - Current Loop to Serial RS-232/422/485 Converters Current loop devices use current on or current off to transmit binary digits. B&B converters interface RS-232 and RS-422/485 systems to the most common current loop ports, 20 mA ports with open circuit voltages up to 30 V. Many models can be modified for higher loop currents and voltages. Call B&B Electronics? Technical Support Department for details.

CR 4260 - Loop-Powered AC Current Transmitter The CR4200 Series, Loop-powered, Current Transmitter produces 4 - 20 mA DC output current proportional to the input average RMS AC current. These devices provide long range monitoring of AC sinusoidal currents in an easy to install package.

MCU - Test Access Through Fiber Loops Via a Simulated "Metallic Channel" Tollgrade's patented MCU® channel units for digital by-pass pair circuits extend the reach of embedded, switch based test systems to widely deployed Digital Loop Carrier (DLC) systems via an emulated "metallic channel." It provides a cost-effective means to transition metallic pairs to fiber-based DLC systems complementing programs to either retire or better utilize existing copper facilities in the local exchange plant.

C-995 - Phase-Locked Loop Optical Chopper The C-995 phase-locked-loop optical chopper incorporates Direct Digital Synthesis in order to provide rock-solid, crystal controlled accuracy and stability. Provides chopping rates from 4.000 Hz to 5000 Hz without the need to change blades.

MS320 - Closed-Loop Motor Controller Master and Ratio-Follower modes and programmable input functions. Options include analog speed feedback input, analog setpoint inputs and relay outputs. Works with incremental shaft encoders and pulsefrequency output shaft speed sensors. Optional explosion proof enclosure or NEMA 4X enclosure kit.

KT41 - DIGITAL LOOP/PSC TESTER * 20, 200 & 2000O Loop measurement ranges * PSC measurement up to 20kA * Displays mains voltage before test * Lock-down test button – for hands free testing