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Products Temperature, humidity & moisture control
Sensors offer a
Thermocouple offers extended life in gas reactors
choice of outputs
A Rosemount thermocouple
Capable of measuring temperatures in with gas tight sapphire protec-
the range -20°C to 500°C, the tive tube has been introduced
PyroCouple M series of low cost, by Emerson Process
miniature infrared temperature sensors Management for use in gasifi-
from Calex are available with a current, cation reactor applications. It
voltage or simulated thermocouple has been developed to give an
output. extended operating life in diffi-
Held in place by a mounting nut, the cult process conditions, where
18mm diameter x 45mm sensing head temperatures up to 1800˚C,
is made of stainless steel, sealed to pressures up to 110 bar and
IP65 and will operate in high ambient attack from aggressive gases,
temperatures without extra cooling. lead to the premature failure of 18,000 hours (depending on for a range of applications in
Fixed and adjustable brackets are standard thermocouples. application). Offering typically the oil and gas, agriculture,
offered to simplify mounting and a The protective tube manu- three times the life of a stan- refining and chemical indus-
laser-sighting tool is available to assist factured from commercially dard thermocouple, the tries where accuracy, durabil-
in the sighting of the sensor. For dusty grown sapphire is corrosion number of unplanned shut- ity, and long-term stability are
environments, an air-purge collar can resistant and impermeable to downs due to sensor failure is required.
be fitted to keep the lens clean. gases, enabling accurate and reduced and production output Emerson Process Management
The cable, which connects the sens- reliable measurements over an increased. T: 0870 240 1978 Enter 221
ing head to the electronics module, is extended sensor life of 6,000 to The thermocouple is suitable www.EmersonProcess.co.uk
immune to electromagnetic interference
and not affected by handling or flexing.
With the emissivity setting fixed at
Real time wireless
0.95, the PyroCouple M Series is suit-
Rugged IP65 sealed thermometer
able for the majority of applications Raytek has introduced a compact, interface allows all programmable
temperature measuring
where the target is made of a non- integrated IR temperature mea- sensor variables to be configured SenGenuity has introduced the
reflective material. surement sensor. The CM non- via the Raytek DataTemp TempTrackr wireless temperature mea-
Offered with a choice of three optical contact thermometer is designed Multidrop software. surement solution. It is designed to
ranges, each model’s built-in adaptive for continuous temperature moni- The CM sensor is designed to provide users of passive (no
filtering provides a stable signal with- toring in a range of industrial man- measure target temperatures power/battery required) and wireless
out compromising the 250 ms ufacturing processes and OEM ranging from -20°C to 500°C. The TFSS433D family of surface acoustic
response times. applications. onboard electronics are pro- wave (SAW) sensors with mobility,
Calex Electronics Designed for easy integration, tected by an IP 65 stainless steel portability, robustness and perfor-
T: 01525 373178 Enter 222 the CM sensor can replace tradi- housing. mance for real-time in-process tem-
www.calex.co.uk tional contact probes with a J-type Raytek perature sensing applications. It pro-
or K-type thermocouple output or www.Raytek.com Enter 223 vides a quick and easy-to-use solution
with a user-scalable 0-5 volt that facilitates rapid temperature data
output, if the application is sus- visualisation and acquisition from the
ceptible to noise. It allows tighter process engineer to quality control per-
tolerances on heating processes, sonnel, while providing system inte-
thereby reducing heating costs grators and OEMs a platform for cus-
while improving process through- tomised solutions.
put and product quality. The kit includes four passive wireless
Precision, high-resolution sili- temperature sensors capable of reading
con optics provide good optical temperatures between 0 and 120°C
resolution while an RS232 digital from a maximum interrogation distance
of 70”. The wireless sensors are pow-
Accurate temperature measurement in LDPE production
ered by bursts of RF emitted by a wire-
less interrogator which excite SAW res-
Okazaki Manufacturing reduces process errors and pressure is up to 3,500kg/cm
2
. onators within each instrument. A feed-
Company (OMC) has developed a defects to improve quality, The company’s thermocouples back signal conditioned by the temper-
range of thermocouple assem- repeatability and reliability. are available with a selection of ature is then created by the resonator
blies that suit high-pressure The thick wall, mineral insu- connections, including screwed, and fed back electromagnetically to the
applications, including tempera- lated construction of clamped or ring wireless interrogator using the same
ture measurement in LDPE pro- the cable (waver, lens antenna set.
duction and for use in plastic and cone) and SenGenuity
injection moulding machines. can be cus- T: +1 603 578 4066 Enter 225
Accurate temperature measure- enables tomised to suit www.sengenuity.com
ment and control in such the diame- individual cus-
applications help ter of the sensor mea- tomer specifications.
guarantee the suring probe to be reduced. This The thermocouples are
quality of the is said to improve the overall third party pressure
end product. response time of the sensor, tested to 45,000PSI and are
All pressurised joints on the while maintaining the overall issued with their own calibration
thermocouple are vacuum brazed pressure rating. certificate.
in-house using an automated An OMC high-pressure ther- Okazaki Manufacturing Company
process, minimising human mocouple has a typical response T: 02920 814361 Enter 224
intervention, which in turn time of 0.27s, while maximum www.okazaki-mfg.co.uk
Process & Control JUNE 2009 21
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