Compur STATOX 4120 - Manual (Page 4)

Compur Statox 4120
1. Important notice
Statox 4120 is an explosion proof system for the detection of toxic gases. It can be operated in
hazardous areas classified division 1 and 2.
Before installing and putting Statox into operation read and observe this manual!
To operate the system safely, observe this manual carefully. It must be operated and maintained by
qualified and authorised personnel. No other application than ambient air monitoring of the gas
specified is authorised by the manufacturer.
Safety guidelines
Prior to connecting and installing the Statox 4120 system check if all any safety – relevant
parameters of the system and its environment are in accordance with specifications and
local regulations.
If the Statox sensor head is installed in a potentially hazardous atmosphere the safety
relevant parameters of the sensor head and the control module must be observed. Please
use cable specified as recommended in this operation manual.
Operating conditions must not exceed the specifications.
The alarm relays of Statox 4120 are only safe to operate 24 V DC. Do not connect to mains.
Maintenance work must be carried out by trained personnel only.
Use exclusively original spare parts, accessories and consumables.
If the safety guidelines are not observed, the Ex approval will be void!
The instrument has to be inspected and serviced in regular intervals by trained personnel. For service
or training contact your local Compur Monitors representative. The maximum maintenance interval
should be 6 months.
2. The Statox 4120 system: Purpose of use and description
Compur Statox 4120 is a stationary toxic gas detection system. It monitors continuously ambient
atmosphere indoor and outdoor. It`s integrated self test provides maximum safety of operation.
Two user - adjustable alarm thresholds A1 und A2 can be set to any value within the measuring range.
It consists of these components:
Statox 4120 sensor head
Statox 4120 rack
Statox 4120 control module
Diagnostic box
The Statox 4120 control module communicates a digital signal via a two-wire cable with the sensor
head. It operates as power supply, alarm device and signal display. The system permanently checks
itself for proper function and will alarm if any parameter is geting out of specifications. Sensor
calibration and system fault diagnosis is easily achieved using the Statox portable diagnostic box.
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