APPENDIX A - SPECIFICATIONS
A.1.8  Enclosure
Physical: TheTransmitterUnithas:
 OnethreadedholeinthebaseformountingtheCertiedSensor 
-M20(European)or3/4”NPT(NorthAmericanversions)
 TwothreadedholesinthebasetoaccepttwocertiedM25cable
glands (European) or two 
3/4”NPTconduitttings(NorthAmerican
versions). 
  Provision is made to attach a tag carrying an ID number. 
  The enclosure materials for Apex are electro-polished grade 316 
stainless steel (to BS3146 ANC 4B FM/BS3146 ANC 4C FM) and  
ZincAlloy.
Size: 140mmwidex150mmhighx152mmdeep.
Weight: 4000gm.
Mountings: ProvisionfortwoM10bolts,centres68mmapart.
IngressProtection IP67toBSEN60529:1992,Degreesofprotectionprovidedby
(Transmitter Unit with   enclosures (IP code).
CertiedSensortted)
 
A.1.9  Conguration
TheTransmitterUnitcanbeconguredduringinstallationandoperationtoacceptanyofthe
CertiedSensorsitiscompatiblewith(seethegas/cartridgetablesinsectionA.2).
A.1.10 Certication and Approvals
Hazardous Area Certications
Transmitter Unit:
ATEX:   II 2 G D Ex d ia IIC Ex tD A21 IP67   
Operatingtemperaturecodes:
 T135°C(Tamb-40to+80°C) 
T100°C(Tamb-40to+55°C)
 Baseefa08ATEX02523
UL:  Approvals by UL
 Class I, Division 1, Groups B, C, D 
Operatingtemperaturecodes: 
T4(Tamb-40to+80°C) 
T5(Tamb-40to+55°C)
CSA:  Approvals by CSA
 Class I, Division 1, Groups B, C, D 
T4(Tamb-40to+75°C) 
T5(Tamb-40to+55°C)
TransmitterUnitCertiedtoCSA C22.2 No.
 
152onlywhenCertiedSensoristtedwithspecic
cartridges. See A.2 Cartridges, Flammable SG16 - US/Rest of the 
worldversion(page108).