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Thermocouple Transmitter offers Ethernet and 4-20 mA outputs.

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Thermocouple Transmitter offers Ethernet and 4-20 mA outputs.
Thermocouple Transmitter offers Ethernet and 4-20 mA outputs.
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June 20, 2014 - Housed in DIN-rail package, Laureate™ LTE-TC combines Ethernet I/O, isolated 0–10 or 4–20 mA analog output, and dual 120 mA relays. Signal board and linearization software provide stable and repeatable output for thermocouple types J, K, T, E, N, R, or S. Thermocouple type and temperature range, specified in C or F, are user-selectable. Discovery of transmitters connected to LAN is automatically achieved with Node Manager Software, and discovered transmitters can be programmed over Ethernet.

Ethernet and 4-20 mA Outputs Offered by Thermocouple Transmitter


Laurel Electronics, Inc.
3183-G Airway Ave.
Costa Mesa, CA, 92626
USA



Press release date: June 19, 2014

Costa Mesa, CA – Laurel Electronics, Inc. announces the Laureate™ LTE-TC thermocouple transmitter with Ethernet I/O, an isolated 0-10V or 4-20 mA analog output, and dual 120 mA relays, all in the same compact DIN-rail package.

The transmitter’s signal board and linearization software provide a stable and repeatable output for thermocouple types J, K, T, E, N, R or S. The thermocouple type and temperature range, specified in C or F, are user-selectable. The temperature range can be as wide as the entire span of the thermocouple type, or as narrow as 150 counts (such as 15.0), limited only by considerations of electrical noise and digital filtering time constants.

Digital calibration for all thermocouple types and ranges is performed at the factory, with calibration data stored in EEPROM on the signal conditioner board. This allows signal conditioner boards and ranges to be changed in the field with no need for recalibration. Cold junction compensation automatically corrects for temperature variations at the thermocouple reference junction at the transmitter. Typical error is less than 0.2C. Open sensor indication is standard.

Discovery of transmitters connected to a local area network (LAN) is automatically achieved with Laurel's Node Manager Software, and the discovered transmitters can then be programmed over the Ethernet using Laurel's Instrument Setup Software. The software runs on a PC under MS Windows and can be downloaded at no charge. A web server is also built into each node. Supported protocols are Modbus RTU, Modbus ASCII, and Laurel ASCII.

The transmitter’s 4-20 mA, 0-20 mA or 0-10V analog output is galvanically isolated and linearized, providing 16-bit (0.0015%) resolution of the output span. Update rates are 50 or 60 per second. The dual solid state relays are rated for 120 mA at 140 Vac or 180 Vdc, and are suitable for alarm or temperature control.

Unit pricing is $295, which includes AC power, Ethernet I/O, an isolated 4-20 mA output, and dual 120 mA relays. Add $30 for 10-48 Vdc power or Power over Ethernet (PoE).

For product specifications and options, visit http://www.laurels.com/LTE-transmitter-thermocouple.htm. For more information, contact Harald Weiss, Director of Marketing, at 714-434-6131, email sales@laurels.com.

Founded in 1990, Laurel Electronics, Inc. is a leading U.S. manufacturer of programmable industrial digital panel meters, counters, timers, and DIN rail transmitters.
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