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Typical Applications
Convert RTD and thermocouple inputs to analog signals for direct interface with indicators, recorders, controllers, PLC, DCS and PC-based SCADA systems.
Avoid sending weak, low-level temperature sensors signals through a noisy plant by converting them to high-level signals that will accurately withstand long-range transmission.
Use affordable transmitters in place of direct sensor-to-DCS wiring to eliminate long runs of expensive extension wires.
Use just one instrument to precisely calculate averages and differentials of multiple temperature sensors.
Increase DCS accuracy by using our temperature sensors and transmitters, calibrated to a specific range, instead of direct DCS or PLC inputs which imprecisely measure over the entire sensor operating range.
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TT420 temperature transmitters, an integral part of the Electro-Sentry™ Hazard Monitoring System, combine a temperature sensor, signal conditioning and 2-wire loop-powered 4-20mA transmitter into one compact package. All models are compatible with standard I.S. barriers and PLC analog inputs and are identical with the exception of the measurement probe, of which there are 3 options:
- The TT420F mounts onto any flat surface with a #10 machine screw.
- The TT420S screws into any surface with a 1/4”- 28 tap.
- The TT420Z mounts into 1/8” or 1/4” NPT grease-fitting (zerk) taps.
TT420 temperature transmitters can be used to monitor temperature on a wide range of machinery: conveyors, bucket elevators, motors, gearboxes, pumps, turbines, fans, curing ovens, centrifuges, agitators and hammermills. All models come ready to use right out of the box, requiring no user calibration. Brass rub blocks are available for use with models TT420F and TT420S, please consult factory for more information.
- Monitor temperature on a wide range of machinery
- Sensors output standard 4-20mA signal
- Compatible with I.S. barriers, PLCs, meters and data acquisition systems
- Ready to use — no calibration required
- Simple and straightforward installation
- Brass rub blocks available — consult factory
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- Two-, three- and four-wire configuration
- Span adjustable from 25 up to 1050 K
Applications
Chemical engineering
Petro chemistry
Food and beverage
Thermprocess
Pulp and paper
Research and development
Main attributes
Small dimensions
Simple programming
Excellent suppression of EMI
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The Model 972 Solid State Loop-Powered Vibration and Temperature Sensors are specifically designed for industrial machinery monitoring. The Sensor continuously measures both vibration level and temperature, key machinery health parameters, and transmit the data directly into a PLC, providing accurate level monitoring and with support alarm and machinery shutdown capabilities.
The vibration level output indicates either Velocity or peak Acceleration with factory set ranges of 0-1, 0-2, and 0-5 inches/sec and 0-10, 0-20, and 0-50Gs pk respectively. The frequency response range is from 5 to 2000Hz and ±5% accuracy is maintained over an operating temperature range of from 0 to 100 degrees C. The sensor is offered in two case styles, both of which are case isolated with outputs accessible via standard 4 pin connectors. The Model 972-H1 is mounted with an integral ¼-28-socket head cap screw which allows the case to be rotated to any 360 degree position prior to lockdown. The 972-H2 is mounted with a removable ¼-28 base mounting stud. Consult the factory for customized versions of these sensors
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Measurement Computing Corporation, a market leader in low-cost data acquisition, has announced the release of two Web-enabled temperature input devices, the WEB-TEMP and the WEB-TC, which allow users to take measurements and monitor them via the Internet. The new products, modeled after MCC’s popular USB-TEMP and the USB-TC products, have corresponding performance, but are Ethernet compatible with built-in Web servers that write temperature data to their own Web page for immediate Internet access from virtually everywhere! The WEB-TEMP provides eight temperature input channels, each supporting all of the common temperature sensors (J, K, R, S, T, N, E, and B thermocouples; 2-, 3-, or 4-wire RTDs; thermistors, and semiconductor temperature sensors), and 8 bits of digital I/O. Each channel of the WEB-TEMP is capable of monitoring any of the supported input types, so users can mix and match the sensor to the measurement without additional signal conditioning. Moreover, the internal measurement electronics accuracy of the WEB-TEMP vastly exceeds the accuracy specifications of the temperature sensors, thereby recording the most accurate data possible. The WEB-TC specifications are similar to those of the WEB-TEMP, but support thermocouple sensors only. All eight WEB-TEMP (or WEB-TC) inputs have 500 VDC isolation to the power supply and Ethernet port, protecting both the computer and the input device from damage. The WEB-TEMP and WEB-TC ship with an impressive array of software included in the MCC DAQ Software CD. The disk includes applications, drivers, and libraries that meet the needs of programmers and nonprogrammers alike.
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Measuring range : from 0/+10 Pa to -10 000/+10 000 Pa
Configurable intermediary and central zero ranges
Air velocity and airflow functions
Interchangeable measuring sensor (SPI technology)
Simultaneous display of 1 to 4 parameters
External transmitter unputs (KIMO class 200 and 300) and thermocouple K
2 output 4-20 mA or 0-10 V (4 wires), RS 232, 2 RCR relays 6A/230 Vac
2 visual (dual color LED) and audible (buzzer) alarms
Software, keypad or remote control configuration
MODBUS network RS 485 system (optional)
ABS or ALU IP 65 housing, with or without backlit gaphic display
Mounting with the 1/4 turn system with wall-mount plate
CP301 : -100/+100 Pa (resolution : 0.1 Pa)
CP302 : -500/+500 Pa
CP303 : -1000/+1000 mbar
CP304 : -10 000/+10 000 mbar
• Barbed fittings Ø 5,2 mm
• Unit of measurement : Pa, mmH2O, mbar, inWG, mmHG
• Power supply : 24 Vac /Vdc, 115 Vac or 230 Vac
• Outputs : 2 x 4-20 mA or 2 x 0-10 V
• Functions : pressure, air velocity, airflow with Pitot tubes, Debimo and other coefficients, integration of measure, self-calibration, measuring correction factor, temperature compensation : manual or automatic (thermocouple K input).
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ComfortSense
Thermal comfort measurement according to EN 13182, ISO 7736 and ASHRAE standard 113
Dantec Dynamics’ ComfortSense system is designed for research and development of heating and air conditioning systems requiring multi-point measurements of air velocity and temperature. Draught measurements require omnidirectional sensors with a frequency response of at least 2 Hz, which is fulfilled by the present system.
ComfortSense elements
The ComfortSense system consists of a main frame with anemometer circuits for up to 16 probes. The omnidirectional probes measure both air velocity and temperature. Six frames can be connected so that up to 96 probes can be monitored simultaneously. The ComfortSense main frame has a built-in A/D converter with USB 2.0 interface.
Easy-to-use
It is easy for the user to setup a measurement sequence and make a measurement grid with selection of probes from a user library. The software delivers statistical results based on user-defined measurement cycles. The ruggedly designed probes and cables are perfectly suited for large test rooms.
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The Activa Sensor Array provides fl ow,
temperature and pressure signals in a compact
unit that requires only one hydraulic line break.
Each sensor transmits an output signal that is
easily integrated with PCs, PLCs, recorders or
panel displays. Signals can also be transmitted to
Flo-tech’s F6700/F6750 Series digital displays.
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