Current or Voltage Indicators

Sensors, Monitors & Transducers, Test & Measuring Instruments

Voltage/Ground Fault Monitors promote battery protection and life.

March 20, 2015

Featuring 4 Form C contacts, VGM-100 Battery Voltage and Ground Fault Monitor reads battery status, detects out-of-limit conditions, and provides alarm conditions at user settings. Real-time battery ground fault monitor, GFM-100, displays positive or negative ground fault message and can activate one of 4 Form C contacts. Upon detecting over/under voltage condition, VM-100 Battery String Voltage Monitor displays voltage over/under status and activates  4 Form C contacts. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Mini-Clamp Meter spot checks electrical systems.

March 3, 2015

Measuring 5.8 in. tall, pocket-sized AMP-25 AC/DC TRMS Mini-Clamp measures AC/DC load (60/300 A) and in-rush current for motor start-up monitoring, with features like True-RMS for accuracy in electrically noisy environments, non-contact voltage detection, and 300 A low pass filter for variable frequency drive testing. Meter is safety rated CAT III 600 V and features DCA zero and data hold functions, auto power off, 1 in. jaw opening, and backlit screen. Read More

Test & Measuring Instruments

Heat Tracing Accessory visually indicates energized circuit.

January 26, 2015

Designed for use in energy and commercial building and construction markets, UESL End Seal Signal Light Kit provides visual indication that heat trace circuit is energized. NEMA 4X rated end seal terminates one cable and indicates power with universal voltage LED indicator light. Offering 360° visibility, design accelerates and facilitates installation with self-regulating and constant wattage heat trace cables. Single-piece clamshell design eliminates all screws and minimizes required tools. Read More

Test & Measuring Instruments, Controls & Controllers, Sensors, Monitors & Transducers, Green & Clean

Intelligent Dataloggers send HVAC/R data over BACnet.

November 17, 2014

When connected to Modbus gateway, Series 3 dataTaker Intelligent Data Loggers can communicate over BACnet for such HVAC verification applications as energy efficiency and air quality monitoring. Universal analog input channels provide flexibility to monitor temperature, humidity, and current/voltage; store data to memory; and transfer it over Bacnet. These intelligent dataloggers also incorporate serial and Ethernet capabilities. Read More

Safety & Security Equipment, Test & Measuring Instruments, Sensors, Monitors & Transducers

Shaft Grounding/Monitoring Ring serves critical applications.

July 22, 2014

Featuring real-time functionality, AEGIS® iPRO-MR combines shaft voltage bearing protection with continuous monitoring of shaft voltage levels from remote location. Assembly features 8 rows of conductive microfiber: 6 provide bearing protection, while 2 isolated rows allow for voltage monitoring. Combined shaft grounding ring and shaft monitoring ring promotes uptime and reliability of motors and generators in critical applications. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Power Monitors measure 3 phases of current and voltage.

January 8, 2014

Powered from external supply for measurement accuracy, APN Series computes 14 values necessary to track power usage in RS485 Modbus RTU format, which is compatible with many PLCs. Digital units can be configured to accept standard 5 A current transformer inputs or sensors producing 333 mVac proportional to AC current of circuit, or they can use factory matched Rogowski coil inputs. Primary circuit voltage is connected directly to monitor for 600 Vac or lower. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Electronic Components & Devices

PV String Monitor Cards are designed for inputs up to 25 A.

November 5, 2013

Able to be customized to target installation in photovoltaic (PV) applications, PV String Monitoring Cards features accuracy to 0.5%, voltage and current measurement for enhanced detail, as well as integrated bus bar that combines strings into 1 or 2 outputs based on ampere rating. Built-in power supply lets cards take power directly from PV string, and flexibility enables 6-string device to be configured for 6-, 12-, 18-, 24-, or 30-string combiner boxes. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Current Sensor/Voltage Monitor offers simultaneous sampling.

October 18, 2013

Supplied in 16-pin, 5 x 4 mm WSON package, LMP92064 digital current sensor and voltage monitor integrates precision current sense amplifier and two 12-bit ADC channels that simultaneously capture voltage and current data. SPI interface transfers real-time data at up to 20 MHz, and 125 ksps conversion rate promotes accurate power fluctuation measurements. Other features include max input offset voltage of ±15 µV, max gain error of <±0.75%, and unidirectional input and output lines. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Voltage Monitor facilitates failure analysis.

July 31, 2013

Designed to work at point where equipment is connected, VPM Voltage Performance Monitor offers real-time monitoring of TRMS voltage, frequency, and harmonics. Once plugged into outlet, VPM will measure, categorize, and list each voltage event, including magnitude, duration, and exact time event occurred. Up to 512 events can be logged for analysis. Available for 100–240 V single-phase circuits, VPM can also determine if voltage is stable enough to connect additional equipment to circuit. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Communication Systems & Equipment

Electronic Measuring Instruments help minimize downtime.

July 2, 2013

Available in front panel mount and DIN rail-mount models, EMpro Measuring Instruments detect, monitor, and analyze electrical characteristics, such as voltage, current, power, consumption, harmonics, and network asymmetries, of machines and systems. Units work as stand-alone devices or can be integrated into energy management system with plug-in expansion modules, allowing information to be passed to control center. Network communication interfaces include Ethernet, RS-485, and PROFIBUS DP. Read More

Test & Measuring Instruments, Electrical Equipment & Systems, Sensors, Monitors & Transducers

AC Current Operated Switches simplify monitoring.

December 6, 2012

Available in panel-mount, solid- or split-core enclosure, ASL Series offers user-selectable linear setpoint adjustment for monitoring current in various applications. Contact actuation point can be set with no load present, and 2 sec delay ignores motor inrush current upon energization. While magnetically isolated output maximizes safety and eliminates insertion losses, solid-state design eliminates periodic maintenance and calibration. No external power source is required for operation. Read More

Test & Measuring Instruments, Controls & Controllers, Sensors, Monitors & Transducers

Multifunctional Instrument measures indoor air quality.

August 15, 2012

Available with variety of interchangeable probes and modules, Model AMI300 is capable of measuring CO, CO2, temperature, humidity, air velocity, air flow, and current/voltage. Portable unit is equipped with large ice blue backlit LCD and offers unit selection, Min/Max/Hold functions, joystick navigation, and battery indicator. Protected by ABS shockproof housing with IP54 rating, Model AMI300 stores up to 12,000 memory data points with software capabilities. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Wide-Band Clamp-On Probes accurately measure AC current.

June 29, 2012

With ½ in. and 1 in. apertures, Models 8585C and 8590C feature 3 dB bandwidth from approximately 1 kHz to 200 MHz. Hinged current monitors incorporate wide band frequency response in demountable configuration for use on fixed conductors. Providing 5 Arms current rating and 1.0 V/A sensitivity, both models can measure rise times as fast as 2 ns with peak currents up to 500 A. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Power Monitor Module enables channel-specific diagnosis.

April 17, 2012

Complimenting all 24 V power supplies, Sitop PSE200U distributes and monitors load current across several load feeders. Overloading and short circuits are displayed on separate LED for disconnected channel. Channel-specific signalling - indication of faulty 24 V load circuit - is available in selectivity modules with outputs of either 4 x 3 A or 4 x 10 A. To enable channel-specific analysis, message output is connected to controller's digital input. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Electronic Components & Devices

Battery Monitoring IC extends battery life of handhelds.

January 23, 2012

Supplied in 2 x 3 x 0.8 mm package, STC3105 measures battery voltage and current to increase handheld electronics' battery runtime and lifespan. IC uses open-circuit voltage and coulomb-counter methods to estimate battery capacity as well as supervise and track charge/discharge status. Drawing 60 µA typ, product also features power-saving mode and programmable alarm output. Latter can alert system when battery state of charge is below certain level without involving system MCU. Read More

Test & Measuring Instruments, Electrical Equipment & Systems, Sensors, Monitors & Transducers, Electronic Components & Devices

Wide-Band High Current Transformer has 30 cm OD and 15 cm ID.

February 10, 2011

Electrostatically shielded CM-01-CS11 measures narrow current pulse of several hundred kA and AC currents up to 2,000 ARMS with 3 dB bandwidth of 0.1 Hz to 100 kHz. One turn primary is internally terminated in low inductance impedance network to convert current signal to voltage signal. Offering 1 mV/A sensitivity, monitor senses magnetic field surrounding primary current carrying cable or charged particle stream. Saturation limit is 250 A, usable risetime is 4 µsec, and droop is 0.1%/ms. Read More

Test & Measuring Instruments, Electrical Equipment & Systems, Sensors, Monitors & Transducers

USB AC Monitor and Relay replaces PC-based plug-in cards.

February 3, 2011

Used in test, control, monitoring, and measurement applications, model JSB375 monitors 4 AC lines and features four 15 A, SPST relays. AC monitor inputs sense AC voltage, and current state of each input can be read from USB port. SPST relays outputs provide host control between common line and normally open connection point. In addition to supporting 2 or 4 monitors and relays, product accommodates any programming or test language that supports USB communications. Read More

Safety & Security Equipment, Test & Measuring Instruments

Medium Voltage Indicator uses capacitive coupling, earth ground.

September 27, 2010

Respectively suited for 2-15 kV and 15-43 kV applications, VoltageVision® R-1VH and R1VL provide safety for workers performing mechanical or electrical maintenance on medium voltage equipment by helping to ensure isolation of electrical energy. Products utilize capacitive coupling with earth ground to complete flashing circuit as well as provide surge immunity and electrical installation integrity. Amount of energy transferred to indicator determines flash rate and intensity. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Green & Clean

Power Monitoring System cuts data center power consumption.

September 9, 2010

Able to be installed into live environments for uninterrupted operation, 2bm iMeter features intelliAmp sensor, which monitors current draw of racks via 16 and 32 A cables. System provides insight into energy requirements of servers, SANs, switches, and attendant supporting equipment, enabling controlled reduction of data center's PUE rating. In addition to continuous voltage and current monitoring, system offers True-RMS current metering, user-configurable alarm thresholds, and Web interface. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

MaterialsTesting System characterizes electrical materials.

August 13, 2010

Designed to test electrical properties of materials ranging from insulators to superconductors, ModuLab MTS combines time domain tests and AC tests together with wide range of modules, providing high voltage, high current, resolution, and sample/reference measurements. Core of system is MAT core module, which makes use of DSP technology to provide accurate experiment control, data acquisition, data averaging, and responsive safety and step limit detection. Read More