Extech Safety Systems
Extech Safety Systems

11-13 Naaf Street, Strijdom Park, Randburg

+27 11 791 6000
+27 11 792 8294
+27 83 309 8200

Core business offering: Hazardous area expertise in instrumentation and industrial networking; intrinsically safe barriers and isolators; HART, fieldbus, industrial Ethernet and wireless; displays, indicators, sounders, beacons and lamps; IS flameproof infrared and CCTV cameras; IS smartphones and tablets, barcode scanners, Wi-Fi/RFID tracking; noise reduction headsets, surge protection, process alarms and access control systems.


tel: +27 31 705 3704/5
fax: +27 31 705 3753
De Araujo, Jackie
Sales and Admin
Friend, Gary
Sales Director
Vallabh, Chandrika
Financial Controller
(Sole Agency)
(Sole Agency)
Beka Associates
(Sole Agency)
(Sole Agency)
Expo Technologies
(Shared Agency)
(Sole Agency)
GeCma Components
(Sole Agency)
i.safe Mobile
(Sole Agency)
Measurement Technology (MTL)
(Sole Agency)
(Sole Agency)
MTL Surge
(Sole Agency)
(Sole Agency)
RTK Engineering
(Sole Agency)
(Sub Agency)
Xplore Technologies
(Shared Agency)
Section - Computers & Software
- tablet
-Industrial computers
- Explosion protected
Section - Data Acquisition & Remote Control
-Cable telemetry
- Ethernet LAN
- fibre-optic
-Radio telemetry
-Remote sensing & control
- radio link
Section - Miscellaneous Hardware
-Explosion proof
-Fieldbus interface
-Audible alarms
- Horns, sirens
-IS barriers, signal isolation
-Surge protection/suppression
- Gas discharge
- Lightning arrestors
- Varistor (MOV)
-Visible alarms
- Annunciator displays
- Indicator lights
- Industrial beacons
Section - Networks for Communication & Control
-Foundation Fieldbus
-Network analysers
- Fieldbus Foundation
- Profinet
-Remote I/O
-Universal Serial Bus (USB)
-Wireless (for industrial application only)
- outdoor
- gateway
- portable devices
-Wireless Ethernet port adaptor (aka modem)
-Wireless gateways
-Wireless I/O - analogue
-Wireless I/O - discrete
-Wireless I/O networks
-Wireless multihop range extenders
-Wireless range extenders/repeaters
-Wireless serial port adaptor (RS-232/RS-422/RS-485) (aka modem)
- barcode scanners
- Ethernet port adaptor (aka modem)
- gateways - ADSL
- gateways - Ethernet
- handhelds (PDAs, tablets, smartphones, etc)
- serial port adaptor (RS-232/RS-422/RS-485) (aka modem)
- still/video cameras
Section - Process Control & Manufacturing Technologies
-Explosion proof
-Intrinsic safety
- 3.5 & 4.5 digit indicators
- 4-20 mA set-point stations
- Batch controllers
- Flashing beacons
- Isolating interface units
- Multiplexers
- Sensors
- Shunt diode safety barriers
- Solenoid valves
- Sounders
- Totalisers
- Transmitters - level
- Transmitters - temperature
-Type 'n' protection
-Alarm indicators
-Annunciator panels
-Digital panel meters
-Digital process indicators
- Bar graphs
- Programmable message
- Touchscreens
-Handheld terminals
- mV/current
- Programmable
-Root extractors
- Batch
- Panel mount
- Digital
News from Extech Safety Systems:
Wi-Fi in South African underground coal mines
August 2021, IS & Ex, Industrial Wireless, Extech Safety Systems

In the author’s opinion, Wi-Fi and all it offers can dramatically improve safety in all industries, including underground coal mines.

How to calculate an intrinsically safe loop approval - updated and revised
March 2021, IS & Ex, Extech Safety Systems

We all know what can happen when the correct techniques are not used when interfacing into a hazardous area.

Android Enterprise programme certifies i.safe devices
February 2021, News, Extech Safety Systems

i.safe Mobile devices are now verified by the Android Enterprise Recommended programme for rugged devices.

Real-time location system
September 2020, IS & Ex, Extech Safety Systems

With worker safety becoming an ever-increasing focus for many businesses operating within process industries, iTAG X30 delivers a solution that allows high levels of location accuracy across their entire site.

Essential monitoring solutions
June 2020, Maintenance, Test & Measurement, Calibration, Extech Safety Systems

Meteor Communications’ MCE-MRC-EX is powered by MeteorCloud, a one-stop end user application for complete data visualisation, outstation device control and reporting activities. The remote monitoring ...

Extech announces new i.safe Mobile devices
May 2020, IS & Ex, Extech Safety Systems

Extech Safety Systems has announced the introduction of two new mobile devices – IS530.1 and IS930.1 – both IA certified for South Africa including Ex ia Ma zone 0 for underground coal mining.       IS530.1...

Augmented reality in hazardous areas
April 2020, IT in Manufacturing, Extech Safety Systems

Extech in collaboration with UtilityAR has unleashed the power of augmented reality (AR) in hazardous areas (Atex/IECEx/IA). Combining the power of UtilityAR and the iSafe HMT-1Z1 head mounted device, ...

Intrinsic safety barcode scanning from Extech Safety Systems
September 2019, IS & Ex, Extech Safety Systems

Extech Safety Systems has worked with UK-based Mobexx to develop the MobXscan mobile application for barcode scanning with mobile devices. The app has been released for Windows 10 and Android, offering ...

Using IS phones or tablets for barcode scanning
Technews Industry Guide: Industrial Internet of Things & Industry 4.0, Industrial Wireless, Extech Safety Systems

Extech Safety Systems worked with Mobexx in the UK to develop the mobXscan mobile application for barcode scanning with mobile devices. The application (https://mobxscan.com) has been released for Windows ...

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