5 / 56
Regulars
Pressure + level measurement
4
Calibrating pressure switches with a DPC
Ron Ainsworth, Fluke Corporation
7
Not a crack: Level measurement for natural gas
Dieter Hägele, KSR Kuebler Niveau-Messtechnik AG,
a division of the WIKA Group
10
Round UP
Cables + accessories
16
Cable diagnostics in South Africa
Ronald H Goodwin, H.V. Test
20
Round UP
Electrical protection + safety
26
Checking ground electrode impedance for commercial, industrial and residential buildings: Part 2
Technical information supplied by John Wilson on behalf of Comtest for a the Fluke Corporation
29
Protecting buildings and installations from hazardous lightning strikes and surges
Kirk Risch, DEHN Africa
31
Round UP
Plant maintenance, test + measurement
32
Analytics and contact centres – add smarts and soar
Andre Deetleefs, Jasco Enterprise
33
Making technology work for you
Neil Cameron, Johnson Controls Building Efficiency
34
Round UP
Energy + enviroFiciency: Focus on Control systems + automation
36
Ins and Outs of POE
Brian Roth, Antaira Technologies
39
Round UP
KSR Kuebler became part of the
WIKA
Group in 2008. WIKA South
Africa set up a local production line
in 2014. These quality level measur-
ing instruments are now available
to the South Africanmarket directly
from WIKA SA’s production line.
Read more on page 11.
FEATURES:
• Pressure+ levelmeasurement
• Cables+ accessories
• Electrical protection+ safety
• Plantmaintenance, test+measurement
• Energy+ enviroFiciency: Focus on control systems+ automation
Cover
CONTENTS
1 Comment
11 Cover article
42 A sense of Africa
43 Light+Current
45 Bizz Buzz
46 Social Engineers
48 Clipboard
Visit our innovative
online technical
resource for the
engineering industry.
www.eandcspoton.co.za4
7
26
36
www.electricityandcontrolmagazine.co.za