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Product roundup: Temperature, pressure burst boundaries

Jan. 8, 2019
Sensors, transmitters and other solutions push against constraints with new capabilities and operating limits.

Self-calibrating RTD for biopharma

iTherm TrustSens hygienic RTD is reported to be the world’s first self-calibrating temperature sensor, functions in situ, and calibrates after every sterilization in place (SIP) cycle, which eliminates the risk of undetected drift. TrustSens has a built-in, high-precision ceramic reference based on the Curie Point of the reference material. TrustSens measures temperatures from -40 °C to 160 °C (-40 °F to 320 °F), works in pressures up to 725 psi, and provides a 4-20 mA output with HART. It also has hygienic process connections.


Low cost, 32 signals, one twisted pair

Temperature Concentrator System (TCS) concentrates as many as 32 signals on one twisted pair, which delivers precision measurements at less than 25% the cost of comparable smart transmitters. TCS accepts any combination of RTD, T/C, mV and resistance/potentiometer inputs, and converts inputs to HART. At less than 5 in. wide, each loop-powered TCS module handles 16 measurements, and can communicate via Modbus RTU with an optional HART-to- Modbus converter (HMC) module.

Moore Industries-International Inc.

Two-wire measurements from 13 types

Suitable for head or field mounting, FRC temperature transmitters are programmable, two-wire, universal temperature transmitters, available with ATEX explosion-proof, intrinsically safe certification and stainless-steel enclosures. In addition, they're capable of measuring signals from 13 types of thermocouples, employ universal inputs such as mV, V, T/C and RTD, and provide a truly linear 4-20 mA output.

Fuji Electric, Instrumentation & Control

Thermowell reduces fatigue failure

Rosemount Twisted Square thermowells dampen dynamic stress from oscillating vortex pressures that can result in vortex-induced vibration (VIV) and thermowell failure, and are reported to reduce VIV by more than 90%. They simplify process calculations by eliminating the need to size thermowells, and provide more accurate temperature measurements. They're suitable for use where conventional thermowells fail to meet the ASME PTC 19.3 TW standard for safe and reliable thermowell design.

Emerson Automation Solutions

Up to 1,000 bar and 135 °C

PT2000 pressure transmitters have a welded, stainless-steel measuring cell, no elastomer seals, and 316L stainless-steel wetted materials. The compact transmitter housing is gel-filled, eliminating problems caused by condensation. PT2000 can handle pressures up to 1,000 bar and process media up to 135 °C. PT2000 offers multiple output signals including 4-20 mA, 0-10 V, ratiometric, 1-6 V and 0-5 V. It's also IP67-rated, and has an operating range of -40 to 135 °C.


Time-saving temperature calibration 

Jofra CTC-1205 compact temperature calibrator offers a temperature range of 100 °C to 1,205 °C (212 °F to 2,201 °F), accuracy of ±0.2 °C (±0.36 °F), and stability of ±0.1 °C (± 0.18 °F) for the total temperature range. It offers silent-mode operation; faster cooling times—down to just 45 minutes; and mains power variance immunity (MVI) circuitry for stability. CTC-1205 also has an intuitive interface, automatic switch test and auto stepping, and is available with special one-key-one-function buttons.

Ametek Sensor, Test & Calibration

Loop-powered, dual-temperature with HART

MACX MCR-TS-I-OLP loop-powered, dual-sensor temperature transmitter supports more than 28 different temperature sensors. The module also accepts -20 mV to 100 mV and linear resistance ranges from 10 ohms to 2,000 ohms. On the output side, it features a dedicated 4-20 mA signal with HART. At only 12.5 mm wide on a DIN rail, MACX MCR-TSI-OLP is thin, but the wide operating temperature range of -40 °C to 85 °C makes it widely usable. Approvals include ATEX, CSA, FM, EAC and UL Class I, Div. 2.

Phoenix Contact

Software-configured splitters

SP233 isolated, two-wire signal splitters convert one millivolt or thermocouple sensor input into two proportional isolated 4-20 mA control signals for splitting/duplicating applications. They have removable wiring terminal blocks, and are powered via one or both output loop currents. Their USB connection to a Windows PC or Android device enables simple, precise configuration of I/O ranges and operational settings with free software. SP 233 also features high immunity to RFI, EMI, ESD and EFT, plus low radiated emissions.

Acromag Inc.

Single-input, HART for RTD, thermocouple

ABB TTH200 is a single-input, HART protocol temperature transmitter for RTD and thermocouple inputs designed for most industries and applications. With an optional LCD indicator, TTH200 is a suitable sister to the popular-dual input TTH300, and offers a choice of tiers and features for many application needs.

ABB Inc.

Rugged, simple RTD sensors

Industrial-grade RTDs are an alternative when Omega Engineering's high-accuracy or ultra-precise sensors are more than required. They feature simple, flexible sensing options for a wide variety of measurement applications including product environmental and performance testing, climate control/HVAC, thermal protection and more. Their 1⁄4-in.,  stainless-steel, hex body includes a 8-32 or M4 thread installation into tight places. They can be used in screw or bolt holes for measuring structure temperatures.

Newark Element 14

Flow computer and RTU

Y-Flow product family includes Y-Flow YFFC field-flow computer and Y-Flow YRTU remote terminal unit (RTU). Y-Flow YFFC is a low-power, orifice-flow computer that measures AGA 3 orifice gas flows, while Y-Flow YRTU is a low-power RTU that measures complex AGA gas flow calculations and remote control applications. Y-Flow YFFC employs an EJX910A multivariable transmitter capsule and communication board, which uses a DPharp pressure sensor. Y-Flow allows up to two simultaneous flow runs on one unit.

Yokogawa Corp. of America

U-pipe pressure gauge 

PUM u-pipe pressure gauge excels at measuring low pressure ranges. It's suitable for monitoring filters and proving fan operation. The classic u-shaped glass tube design is mounted on an aluminum retainer plate. PUM is available in six standard lengths, and offers a direct reading of the water column. Connection to PUM is achieved with hose couplings at either end of the glass tube.

Kobold Instruments Inc.

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