Electricity + Control December 2019

Product News

HAZARDOUS AREAS + SAFETY

Connected safety portfolio includes gas monitors Comtest – the local representative of Industrial Scientific, a global leader in gas detection – has expanded its connected safety portfolio to include cellular and WiFi capability in the Ventis ® Pro5 Personal Gas Monitor and a satellite communication gateway to connect mobile workers in real time. For area gas monitoring, the Radius ® BZ1 connects to the cloud via the RGX™ gateway, which is certified for Class 1 Division 2 and ATEX Zone 2 hazardous zones around the globe. Personal and area monitors pass real-time data to iNet ® Now software, allowing supervisors to see where workers are located and what hazards they are exposed to. The combination of real- time and historical data gives organisations the ability to increase productivity, address risky behavior, and improve safety practices in a range of applications – from mobile workers to in-plant monitoring and confined space entries. With the ability to share alarms between monitors, the connected devices also improve team and site safety. Local alarm sharing allows for faster, more informed responses fromnearbyworkers. In addition, the local network feature enables monitoring within confined spaces where traditional wireless devices have limited connectivity. Justin McElhattan, President of Industrial Scientific, said, “Our connected Electronic pressure gauges for EX areas Instrotech supplies Keller’s range of five intrinsically safe electronic pressure gauges which are suitable for use in areas subject to gas explosion risks (EX areas). The type approvals are compliant with the ATEX Explosion Protection Directive for explosive gases. The electronic design of the devices is trimmed to minimise energy consumption, so it is also possible to replace the batteries inside areas with explosion risks. The simplest version, model ECO 1 Ei, offers high resolution and reproducibility for both measuring ranges (-1…30 bar and 0…300 bar), together with accuracy (typical) of 0.5% FS and an integrated min/max memory. The application range as per the ATEX directive is defined by identification markings Ex ia IICT5 or T6. Keller’s type LEO 1 Ei and LEO 2 Ei electronic pressure gauges feature microprocessor-assisted compensation to ensure

safety offerings focus on aligning people, devices, sensors, and data to help businesses achieve key outcomes: saving lives, saving time, and using resources more efficiently.” For more information contact Comtest. Tel: +27 (0)10 595 1821, email: sales@comtest.co.za

Industrial Scientific’s personal gas monitors now include cellular and WiFi capabilities which enable real-time communication, improving safety on site.

known), even extremely short-lived peak values for systempressure are registered with a sampling rate of 5 000 Hz. These values are often critical for the lifetimes of hydraulic plants. For both these pressure gauges, the application range as per the ATEX directive is defined by identification markings Ex ia IICT5 or T6. Another electronic pressure gauge in this range, the LEO Record Ei, is equipped with an integrated data memory to record pressure and temperature progressions in the measuring medium. Outside of areas with explosion risks, the data can be transmitted via an RS485 interface to a PC, for evaluationwith the Logger 4.X software (available free of charge). The LEO Record Ei can register pressures of up to 1 000 bar with a total error band of ±0.1% FS. With a capacitive sensor, this type is also available for very low measuring ranges starting from 30 mbar (±0.2% FS). The application range as per the ATEX directive is defined by identification marking Ex ia IICT4. Featuring accuracy of up to 0.01% FS, the LEX 1 Ei electronic pressure gauge is a reference and precision measuring instrument that has been specifically equipped with a 5-digit display for calibration and testing purposes. Pressure measurement ranges between -1 bar and 1 000 bar are available. The LEX 1 Ei also offers a min/max memory and a digital interface to generate PC protocols. The application range as per the ATEX directive is defined by identification marking Ex ia IIC T6. Features shared by all Keller digital pressure gauges include simple parameterisation and operation with only two buttons. The pressure display can be shown in various physical units that can be selected freely. For more information contact Instrotech. Tel: +27 (0)10 595 1831, email sales@instrotech.co.za

a very narrow total error band (including temperature errors) of <0.2% FS over the entire range of operating temperatures from 0...50°C. The zero point can be selected freely within the four measuring ranges between -1…3 bar and 0…700 bar. An automatic switch-off function guarantees energy efficiency. Both models feature sampling rates of 2 Hz and integrated min/max memories. The special feature of the LEO 1 Ei is its additional memory for peak values. In peak mode (as it is

The Keller range of five intrinsically safe electronic pressure gauges, for use in areas subject to gas explosion.

20 Electricity + Control

DECEMBER 2019