The world’s only Zone 0 portable Conductivity meter with IECEX approval, More info here: http://www.alvi.com.au/product/knick-portavo-904-x-cond/ Approved for T3 & T4 use (depending on the AA batteries used) Also approved for Zone 1 & 2 of course.
The world's only Zone 0 portable pH meter with IECEX approval, More info here: http://www.alvi.com.au/product/knick_-_portavo_904_x_ph/ Approved for T3 & T4 use (depending on the AA batteries used)
Our range of German made stairwell pressure sensor are made by Beck in Germany. The leader in pressure devices. Our stairwell pressure sensor runs on 24VDC, so can be powered off a VSD direct if need be. Sensor comes complete with tubing & probes. We