EEx d IIC T6 Gb
Rating 4W Max
Sira 02ATEX1271X
II 2 GD
IIIC
TOCSIN 102 4-20mA 2 Wire Gas Transmitter.
Fitting, Service and Maintenence
Explanation of Markings
Flameproof Housing Concept
Equipment Protection Level
Gas Group
Maximum Housing Temperature Taking
Into Account Maximum Ambient Temperature
Ingress Protection Rating
6-Complete Protection From
Live Components Inside
Housing, Dust Ingress
Protection
6-Protection Against
Conditions On Ships Decks
Certificate Number
Maximum Rating Of
Internal Circuitry
Suitable For Use In
Zone 1 & 2 Areas
In Potentially Explosive
Atmospheres Due To Gases, Vapours
Mists or Dusts.
250 Ohms
Sense
18-28V DC
Typical Control Card
Connections
Use Lock
Nut Supplied
Fit Fibre
Washer
Check Supply Voltage And Load
Resistance With Card Manufacturers
Instructions.
Note
The Tocsin 102 Must Be Earthed, If necessary fit
a brass earthing tab washer between the locknut
and housing to bond to. Ensure the junction box,
cable and glands carry appropriate certification
for the area in which they are fitted. Cable
screens should be earthed at the control panel
and the bond checked to be <0.5 Ohms.
18
28
DC
SUPPLY
VOLTS
R (Ohms)
200
800
Allowable
Operating
Region
There are no user serviceable components inside the Tocsin 102.
Do not connect to portable equipment
Under no circumstances should the housing be opened in a potentially hazardous
atmosphere.
Calibration should be undertaken at a minimum of six monthly intervals.
Refer to Configurator manual for more advanced options, available from Oliver IGD
Limited.
Do not overtighten
the 102 into the
junction box
housing.
Mounting Thread
M20 x 1.5
Black -Ve (0V DC)
Yellow RS232 Rx
White RS232 Tx
Red +Ve (24V DC)
Blue Signal 4-20mA Current Source
Observe Marked Warnings
Manufacturer
Environmental Rating
Test Body Report Number & Power
EEX d Hazardous area
ratings. Note change of rating
with change in ambient
temperature range.
Device Serial Number
EU 'CE' Marking and
ATEX Lab Number
IP66
DO NOT OPEN WHEN AN
EXPLOSIVE ATMOSPHERE
MAY BE PRESENT.
0518
II 2 GD
-20 C < Ta < +40 C
-20 C < Ta < +55 C
IP66
IP66
Serial Number T102-xxxxx-2002
Sira 02ATEX1271X Rating 2W
Ex d IIC T6 Gb
Ex tb IIIC T6 Db
Ex d IIC T5 Gb
Ex tb IIIC T5 Db
OLIVER IGD Ltd
DO NOT OPEN WHEN AN
EXPLOSIVE ATMOSPHERE
MAY BE PRESENT.
0518
II 2 GD
-20 C < Ta < +40 C
-20 C < Ta < +55 C
IP66
IP66
Serial Number T102-xxxxx-2002
Sira 02ATEX1271X Rating 2W
Ex d IIC T6 Gb
Ex tb IIIC T6 Db
Ex d IIC T5 Gb
Ex tb IIIC T5 Db
OLIVER IGD Ltd
Main Body Material of Construction
316 Stainless Steel.
Conductive Dusts
TOCSIN 102 SERIES GAS DETECTORS 2 WIRE 4-20mA VERSIONS
0V mA
+24V
T102 Sensor
PC
- mV +
Enclosure
Earth
