Dwyer Instruments, Inc.    Michigan City, IN 46361
Mar 21, 2012 Featuring 2-wire loop-powered operation, Model VBT continuously detects vibration in system and monitors for unusual operating conditions and potential failure. Vibration is converted into analog signal at current output. Housed in 316 stainless steel, transmitter operates from -22 to 221°F with frequency range of 10-1,000 Hz and better than ±3% accuracy. Unit includes standard M12 micro cable connector and interchangeable ¼-28 UNF/M8 or ¼-28 UNF mounting studs.

Sensonics    Berkhamsted Hertfor HP1 1EF  United Kingdom
Dec 01, 2011 Vibration (DN8031) and thrust position (DN8033) proximity probe systems suit Ex ia IIC T4 applications when used in conjunction with Sensonics ATEX-approved AECP proximity probes and AEXC extension cables. Able to integrate with local machine PLC or plant wide DCS, these 4-20 mA loop powered modules permit adjustment of gain and offset. All signal processing is carried out within unit, providing output current proportional to peak-to-peak shaft vibration or relative position to probe face.

Omega Engineering, Inc.    Stamford, CT 06907
May 11, 2011 Featuring hot wire air velocity sensor design and choice of fixed mount or remote probe configurations, Model FMA900A measures air velocity up to 12,000 fpm with 2% full scale accuracy. Unit provides response time of 250 msec, 0-5 Vdc or 4-20 mA analog output, and 1 SPST relay contact closure with red LED indication. Equipped with adjustable high alarm set point, transmitter is suited for development labs, HVAC, and exhaust/ventilation hoods.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Apr 20, 2011 Offering 8% accuracy, Series AVUB operates by measuring heat loss from sensing element in air-stream and calculating air velocity by reading local temperature of air on probe. Models are available in 3 ranges of 0-785 fpm, 0-1,575 fpm, and 0-3,150 fpm with 0-10 Vdc output. Offering 10 sec response time, Series AVUB is suited for wide range of HVAC measurement and control applications, particularly in complete building control and energy management systems.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Dec 10, 2010 Compriised of 2-wire, loop powered vibration sensors, Series 640 is used for monitoring motors and pumps at natural gas pipeline pumping stations. Design meets natural gas industry design requirements, including certification in accordance with ATEX and CSA for use in hazardous areas. Powered by 12-30 Vdc source, products offer 4-20 mA output signal proportional to overall vibration level of machine being monitored. Output wire can be connected to existing PLC, DCS, and SCADA systems.

IMI Sensors, Div. of PCB Piezotronics    Depew, NY 14043-2495
Oct 11, 2010 Designed to protect critical rotating equipment, DIN rail-mounted 682A16 provides loop power for 2-wire, 4-20 mA sensors and ICP® excitation for analog 8-120 mV/g accelerometers. It also works with existing PLC, DCS, and SCADA systems leading to alarm, control, or shutdown. Available with optional detachable front panel LCD and programmer, transmitter also accepts various sensor input signals: mA, thermocouple, RTD, linear resistance, and potentiometer.

Emerson Process Management    Pleasanton, CA 94566
Sep 29, 2010 Model CSI 9420 Wireless Vibration Transmitter sends operators alerts on high vibration caused by faults like cavitation or bearing defects, and can use Smart Wireless network to send data to experts for diagnosis of machinery issues. Unit also transmits details on velocity and PeakVue(TM) stress wave values. It has user-configurable interface to report high-resolution spectra and waveforms as well as vibration energy bands. It is suited for monitoring equipment in remote or hard-to-reach locations.

IMI Sensors, Div. of PCB Piezotronics    Depew, NY 14043-2495
May 12, 2010 Installed with any industrial accelerometer, model 682A09 ICP® In-Line Vibration Transmitter converts vibration signal to 4-20 mA velocity output that can be trended with various control room systems. Unit has 2-pin MIL connector input and 3-pin MIL connector output. Operating off of loop-power from PLC, DCS, or SCADA system, it accepts 100 mV/g analog signal, which can be run to central collection point. Unit is suited for operation in harsh environments.

Micronor    Newbury Park, CA 91320
Jan 19, 2010 Based on modular sensor and control technology, MR200W series monitors position, direction, speed, and cable twist while providing necessary feedback to directional motor drive and brake control system. Multifunctional unit can integrate any combination of geared limit switches, rotary encoder, resolver, or potentiometer. For increased accuracy, unit can be supplied with external anti-backlash POM (polymer) pinion gear, which optimizes coupling to wind turbine's large yaw bullgear.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Oct 01, 2009 Suited for HVAC applications, Series VTT Hot-Wire Transmitter offers field-selectable velocity and temperature ranges in English or metric units with maximums up to 6,000 fpm (30 m/s) and 212°F (100°C). Housed in ABS enclosure rated NEMA 4X, units are offered with or without 5-digit LCD display and are available in duct mount version or remote probe version with cable.

E+E Elektronik GmbH    Engerwitzdorf A-4209  Austria
Jul 15, 2009 Providing linear output signals of 0-5 or 0-10 V, series EE575 and EE576 measure velocities up to 20 and 2 m/sec, respectively. They feature temperature range of -20 to 60°C and electrical connection through 0.5 or 2 m long fixed cable. Compact units feature probe length of 150 mm and integrated electronics, suited for applications with limited mounting space.

E Instruments International LLC    Langhorne, PA 19047
Apr 02, 2009 Model CTV200 air velocity & air flow transmitter comes with measuring ranges between 0-200 fpm to 0-4,000 fpm and 32-122°F. Features included are 2 visual dual color LED and audible buzzer alarms, software or keypad configuration, and configurable intermediate and center zero ranges. Product has two output between 4-20 mA or 0-10 V (4 wires), RS 232, and 2 RCR relays 6 A/230 Vac.

Balmac Inc.    Plain City, OH 43064
Mar 05, 2009 Providing 4-20 mA output signal that is proportional to vibration amplitude, heavy-duty vibration transmitter Model 191 is 2-wire, loop powered sensor used to monitor oil and gas production pumps, compressors, fans, and motors. Powered by 12-24 Vdc source, output wire can be connected to any existing PLC, SCADA, or DCS system. Product is enclosed in rugged, NEMA 4 weatherproof case and is listed by UL-Underwriters Laboratories for use in hazardous locations (Listing ZTSZ).

SPM Instrument Inc.    Marlborough, CT 06447
Oct 15, 2008 Able to be used in harsh industrial environments where moisture/water poses constant challenge, SLD144S features side entry design that accommodates installation where space is limited. This compression type piezoelectric accelerometer, designed for vibration monitoring of industrial machinery, has nominal main axis sensitivity of 10 mV/m/s². Other characteristics include 10% max transverse sensitivity, 2 Hz to 10 kHz (±3 dB) linear frequency range, and 600 m/s² max peak acceleration.

Emerson Process Management    Pleasanton, CA 94566
May 06, 2008 Available in 2 configurations, CSI 9330 Vibration Transmitter continuously monitors rotating machinery for early detection of developing mechanical issues, and converts analog output of ICP® accelerometer into 4-20 mA signal, proportional to monitored vibration. Model CSI 9330VP provides overall vibration and PeakVue data when connected to standard accelerometer, while CSI 9330VT provides vibration/temperature data when connected to accelerometer with embedded temperature capability.

IMI Sensors, Div. of PCB Piezotronics    Depew, NY 14043-2495
Oct 30, 2007 Suited for monitoring unbalance and misalignment on motors, pump sets, and other rotating equipment, Model 682A08 Vibration Transmitter is ICP® accelerometer signal conditioner that retransmits acceleration or velocity signal as 4-20 mA signal for trending and simple interface with PLC, DCS, and SCADA systems. DIN rail mounted and 24 Vdc powered unit comes with selectable low pass filters at 1 or 10 kHz and high pass filters at 3 or 10 Hz.

Emerson Process Management    Austin, TX 78754
Oct 19, 2007 Able to connect to any machine, CSI 9420 Machinery Health(TM) Transmitter monitors mechanical equipment and delivers predictive diagnostics. Vibration information is transmitted over wireless self-organizing network for operations and maintenance personnel. Configuration, diagnostics, and alerts are available in AMS(TM) Suite predictive maintenance software. Vibration data is also available in data historians or any control system for trending and analysis with other process parameters.

Meggitt (Maryland), Inc.    Germantown, MD 20876
Apr 30, 2007 Used for online monitoring of machinery case vibrations, iT230 converts vibration sensor signals to proportional 4-20 mA output for use in existing PLC/DCS networks. Unit measures displacement without proximity probe, instead utilizing velocity sensor and Intelligent Transmitter. Raw velocity vibration data is also available from BNC connector on front of DIN-rail mounted module for use with portable vibration analyzers. Output signal offers max FS outputs up to of 0.100 in.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Mar 21, 2007 As 2-wire, loop-powered, 4-20 mA transmitter, Model 649A01 detects impacts from mechanical shock events that occur in or near machine's cylinder assembly. Hermetically sealed design can be interfaced with existing alarm, control, and monitoring systems, while field-programmable features let users customize each installation point and tailor output to suit application. Reciprocating compressor fault detection includes loose/broken bolts, cracked connecting rods, and scoring.

Micronor    Newbury Park, CA 91320
Oct 18, 2006 Based on Modular Cam Switch System, MR200 Series provides accurate position, speed, and overrun control of linear or rotary motion in servo motor drive systems. Units can be integrated with precision low or zero backlash gearing, in application-specific, compatible packaging. Machine applications include CNC machining centers, industrial robotics, food processing, medical products, packaging, paper converting, and military/aerospace.