2 Important Notices on Safety
2-4. Safety information
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2-4. Safety information
Necessary information for explosion proof construction of Model SD-1.
The Model SD-1 is a fixed mount, continuous-monitoring detector head and provides a 4-20mA signal which
indicates the target gas reading for use by a gas monitoring controller, recording device, or programmable
controller.
Three sets of relay contacts, two controlled by the gas alarms and one by the fail alarm.
<ATEX/IECEx Specifications>
Technical Data
(Protection Method)
Flameproof enclosure “d”
(Certificate Numbers)
IECEx KEM 10.0036X
KEMA
10ATEX0083
X
(Group)
II
(Category)
2G
(Type of Protection and Marking code)
Ex db
II
C T5
(Equipment Protection Level)
Gb
(Ambient Temperature)
-20
C to +60
C
(Electrical Data)
Supply voltage: 24 V
±
10% dc (Typ.)
Output signal: 4 to 20 mA
(Applicable Standard)
IEC 60079-0: 2017
，
IEC 60079-1: 2014-06
EN
IEC
60079-0:
2018
，
EN 60079-1: 2014
(Manual Number) PT2E-160
Installation
＋
－
＋
－
Hazardous
Location
(Zone 1)
Nonhazardous Location
Gas
Detector(SD
‐
1)
←
→
Installation
Diagram
Signal
Signal
CVVS
Cable
Indicator
