Product overview
Xgard
are a family of gas detectors for monitoring a very wide range of
toxic and flammable gases and oxygen.
Xgard
are available as either
Intrinsically Safe (Exia) or Flameproof (Exd) detectors, dependant upon
sensor type and customer preference. Intrinsically Safe versions are
suitable for use in Zone 0, 1 or 2 hazardous areas when used with a
suitable Zener barrier or galvanic isolator. Flameproof versions are suitable
for use in Zone 1 or 2 hazardous areas.
Please refer to the certification label on the detector junction box to
identify the type of certification that relates to the product supplied.
Hazardous area definitions are shown in the Hazardous area
classifications section on page 3.
Note: if no certification label is fitted to the junction box, the
detector is not certified for use in hazardous areas.
4
Overview
Vmax=32v Wmax =10W
WARNING Do not open when
an explosive atmosphere
Baseefa04ATEX0024X
1180
II 2GD
IECEx BAS 05.0043X
Xgard
OX14 1DY
Gas Detector
Ex d IIC T4
Ex d IIC T6
a
a
40 C T +50 C
40 C T +80 C
o
o
<
<
<
<
o
o
40 C T +80 C
40 C T +50 C
EEx d IIC T4
EEx d IIC T6
o
o
<
<
<
a
a <
o
o
is present
T80 C Tamb = 50 C
T110 C Tamb = 80 C
o
o
o
o
Ex tD A21 IP6x
Xgard ATEX and IECEx
Flameproof
40 C T +55 C
Ui=28v Pi=1.2W
Baseefa04ATEX0115X
Xgard
Ex ia IIC T4
1180
Gas Detector
<
o
<
a
o
OX14 1DY
IECEx BAS 05.0042X
STATIC HAZARD
CLEAN ONLY WITH A
DAMP CLOTH
II1G
Xgard ATEX and IECEx
Intrinsically Safe
Xgard Intrinsically Safe Type 1 UL
Class I, Groups A, B, C and D Haz. Loc when installed in accordance with control
CROWCON XGARD GAS DETECTOR TYPE 1
understand and adhere to the manufacturer's live maintenance procedures.
Safety. To prevent ignition of flammable or combustible atmospheres read,
drawing No S-4838-A3. WARNING Substitution of Components May Impair Intrinsic
Securite Intriseque. Classified as to Intrinsic Safety For use in
-40°C < Ta < +55°C T4
OXYGEN
XX
Exia
Vmax: 28V, Pmax: 1.2W, Ci: 15.6nF, Li: 0uH
C
A
L
C
I
SS
66Y6
US
D
I
F E
Diagram 1:
Xgard
certification labels
Xgard UL Flameproof
Class 2 1030VDC Wmax=10W
CLASS I, DIVISION 1, GROUPS B, C, & D
AS TO RISK OF FIRE, ELECTRIC SHOCK & EXPLOSIVE HAZARDS ONLY.
WARNING To reduce the risk of ignition of Hazardous Atmosheres
disconnect the equipment from the supply circuit before opening.
Keep assy tightly closed when in operation. Conduit runs must have
40ºF T +176ºF T4
CROWCON
sealing fitting connected within 18 inches of enclosure.
40ºF T +122ºF T6
XGARD GAS DETECTOR TYPE
<
<
a
<
<
a
2006
C
L
S
A
I
S
66Y6
E
I
F
D
drawing No S-4838-A3. WARNING Substitution of Components May Impair Intrinsic
-40°C<Ta<+55°C T4
CROWCON XGARD GAS DETECTOR TYPE 1
XX
Safety. To prevent ignition of flammable or combustible atmospheres read,
understand and adhere to the manufacturer's live maintenance procedures.
Vmax:28V, Pmax:1.2W, Imax:150mA, Ci:14.4nF, Li:0 uH
Securite Intriseque. Classified as to Intrinsic Safety For use in
Class I, Groups A, B, C and D Haz. Loc when installed in accordance with control
TOXIC
Exia
66Y6
C
C
LA
SSIFIE
D
