Portable / Field Testing
Safe Measurement of Humidity and Temperature in Hazardous Locations
The new EE300Ex humidity and temperature transmitter from E+E Elektronik (Austria) is designed for challenging industrial applications. The device complies with the ATEX Directives for intrinsically safe equipment, and can be employed in both hazardous and explosive gas and dust areas in zones 0 / 20.
Thanks to its easy-to-clean, elegant stainless steel housing, the humidity - transmitter is ideal for use in the pharmaceutical and chemicals industry. The EE300Ex can be mounted directly in the explosion hazard area of zones 0 / 20. The well proven E+E humidity sensor element guarantees long-term stability as well as precise and reliable measurements in the range of 0…100% rel. hum. and -40…180°C and from 0.01…300 bar under pressure.
The 2-part housing concept (separation of the connection area and measurement unit) simplifies more than the installation of the humidity transmitter. It also permits the rapid replacement of the measurement unit - such as for calibration - without time-consuming re-cabling.
Various EE300Ex versions offer a high level of flexibility. As a compact wall mount version or with a remote sensing probe up to 10m, the humidity transmitter is ideal for a wide range of applications. The current values can be read off the device directly using the optional display.
Just as with humidity measurement in air, the EE300Ex can also be used for moisture measurement in oils. The humidity content of an oil can be issued as absolute in [ppm] or relative as water content [aw]. Typical applications are found in systems for cleaning/drying oil or on oil platforms for online monitoring of lubrication and gear oils.
The EE300Ex is designed using 2-conductor technology. The measured values are issued on 2 analogue outputs with 4…20mA. The power can be supplied via any intrinsically safe power supply device. In addition to the measured values for humidity and temperature, the dewpoint, frost point, absolute humidity, mixing ratio and other computational functions can also be issued.
The configuration adapter can be used to carry out custom modifications of the transmitter and to adjust the humidity and temperature outputs quickly and easily. In addition to the applications given above, the EE300Ex is ideal for use in power stations, grain mills or explosion hazard storage rooms.
For More Info, email:
24312pr@reply-direct.com
53
Pocket-Sized Electronic Listening Stick for Acoustic Leak Detection
The new Tmic from HWM (UK) is a highly cost effective monitoring tool for identifying leak noises on the water network that would otherwise be inaudible to the human ear.
The lightweight and portable device allows operators to hear amplified sound via high quality, rechargeable wireless Bluetooth headphones, while an LED display simultaneously shows a clear visual representation of noise levels – all in a package small enough to fit in a shirt pocket.
By storing the previous reading in its built-in memory, Tmic allows the operator to visually compare current and previously recorded noise levels. This lets the user quickly determine whether a noise is caused by a leak and, if so, where the most likely position of the leak is. The high quality digital sensor can be placed directly on the pipe or coupling and provides levels of sensitivity and noise quality far beyond what is possible with mechanical listening sticks. An additional magnetic attachment is available if required and the Tmic can also be connected to a detachable metre long extension rod to access congested or difficult to reach areas.
An ergonomic, robust design and long battery life from standard alkaline cells mean that Tmic is always ready to use in any situation. Weighing just 180 grams, it can be easily carried in a shirt or trouser pocket, and a bright LED torch is built into the head for use at night or to investigate dark chambers. For additional convenience, the wireless headphones ensure full freedom of movement with no risk of tangled cables, and the unit is supplied with its accessories in a durable carrying case with precision cut foam compartments to protect all components in transit.
Since the earliest days of leak detection operators have listened for the noise generated by water escaping from buried supply pipes under pressure. Contrary to common perception, it is not always the largest leaks which produce the loudest noise; often a large split in a water pipe will produce a quieter sound than a small hole. Traditional mechanical listening sticks rely on only one of the user's senses: hearing. However, not all leaks produce a noise audible to the human ear. Therefore, an electronic acoustic sensor which amplifies noise below the unaided audible threshold, and visually displays the result, is now considered a highly valuable tool when surveying for underground leaks or confirming a leak position prior to digging.
For More Info, email:
26136pr@reply-direct.com
Temperature Level and Conductivity Meter
The Solinst (Canada) TLC Meter is excellent for profiling temperature and conductivity in wells and open water. Water level and depth of readings are read off the durable Solinst PVDF flat tape, which is precisely laser-marked each millimeter or every 1/100 ft, up to 300 m (1000 ft). The accurate temperature and conductivity readings are displayed on a convenient rotating LCD display on the reel.
For More Info, email:
25885pr@reply-direct.com email:
51ad@reply-direct.com
www.envirotech-online.com IET Annual Buyers Guide 2013
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