Atex DGTt2-ex User manual

C

ode no. 20711066 In

s

ta

ll

at

i

on

M

anua

l

G

a

s

D

ete

c

to

r

A

T

EX

R

e

v

. 3.9

P

age 24/33

_____________________________________________________________________________

D

G

T

t

2

-

ex

G

as

D

e

t

ec

t

o

r

A

T

EX

M

a

rki

ng:

II

3

G

E

x ec

II

C

T

4

G

c

S

en

s

o

r

Ty

pe:

S

o

li

d

-

S

tate

O

utput

S

i

gna

ls

:

l

oga

ri

th

mic

r

e

s

pon

s

e,

D

G

T

t2

r-

e

x

i

n

cl

ude

s

a

r

e

l

a

y

24

V

/ 1

A

fo

r

e

sis

t

iv

e

l

oad, add

i

t

i

ona

lly

a bu

zz

e

r

and a

ck

no

wl

edge button fo

r

bu

zz

e

r

.

O

pe

r

at

i

ng

V

o

l

tage: 24

V

DC

±

20

%

,

r

egu

l

ated

M

a

x

.

P

o

w

e

r

C

on

s

u

m

pt

i

on: 4.0

W

C

ab

li

ng: 4

-

e

l

e

c

t

r

ode, 4

-wir

e

c

onne

c

t

i

on,

F

o

r

c

o

rr

e

c

t

c

ab

l

e

s

pe

ci

f

ic

at

i

on

r

efe

r

to

E

N

60079

-

14

S

en

s

o

r

L

i

fe

(cl

ean a

ir)

: 3...5

y

ea

rs

, t

y

p

ic

a

l

O

pe

r

at

i

ng

T

e

m

pe

r

atu

r

e:

A

mm

on

i

a

-

3

O

the

r

ga

s

e

s

-

20

+

40

°C

,

(r

edu

c

ed

s

en

si

t

ivi

t

y

- )

O

pe

r

at

i

ng

H

u

mi

d

i

t

y

:

-c

onden

si

ng

D

eg

r

ee of

P

r

ote

c

t

i

on: I

P

54

W

e

i

ght: 390 g

N

ote:

T

he

c

a

li

b

r

at

i

on

is

done b

y

u

si

ng the handhe

l

d

c

a

li

b

r

at

i

on de

vic

e

(

I

RC)

vi

a

i

nf

r

a

r

ed

li

n

k

.

T

he

r

efo

r

e the

i

nf

r

a

r

ed

l

en

s

of the de

vic

e

m

u

s

t

be

cl

ea

rly

visi

b

l

e.

In

c

o

rr

e

c

t

c

onne

c

t

i

on

s

m

a

y

da

m

age the de

vic

e.

D

G

T

t2

-

e

x

and

D

G

T

t2

r-

e

x

c

an be

i

n

s

ta

ll

ed

i

n

A

T

EX

z

one 2.

Ind

ic

at

i

on

li

ght

s

:

C

on

s

tant g

r

een:

N

o

rm

a

l

ope

r

at

i

on

m

ode.

C

on

s

tant

y

e

ll

o

w

:

S

en

s

o

r

fa

il

u

r

e.

B

li

n

ki

ng

r

ed:

G

a

s

a

l

a

rm

.

B

li

n

ki

ng

will

s

top

w

hen the ga

s

c

on

c

ent

r

at

i

on

is

l

o

w

e

r

than the a

l

a

rm

limi

t.

In

s

ta

ll

at

i

on

M

anua

l

G

a

s

D

ete

c

to

r

A

T

EX

C

ode no. 20711066

R

e

v

. 3.9

P

age 25/33

_____________________________________________________________________________

Fi

gu

r

e 19,

D

G

T

t2

w-

e

x

and

D

G

T

t2

rw-

e

x

ga

s

dete

c

to

rs

gene

r

a

l

vi

e

w

(

the

s

uff

ix

w

m

ean

s

w

a

ll

m

ounted

m

ode

l)

.

T

he dete

c

to

rs

c

an a

ls

o be

m

ounted to the

c

e

ili

ng

(m

ode

l

wi

th

s

uff

ix

c)

o

r

to a du

c

t

(m

ode

l

wi

th

s

uff

ix

d

)

.

Fi

gu

r

e 20,

D

G

T

t2

r-

e

x

c

onne

c

t

i

on

s

and

l

a

y

out on the

circ

u

i

t boa

r

d.

N

O

T

E

:

A

v

a

il

ab

ili

t

y

of

c

onne

c

t

i

on

s

depend

s

on the

D

G

T

t2

-

e

x

m

ode

l

.

N

B

!

M

AKE

S

UR

E

TH

E

R

E

I

S

N

O

R

I

SK

O

F

EXP

L

O

S

I

O

N

!

C

he

ck

the

w

o

rki

ng en

vir

on

m

ent

wi

th po

r

tab

l

e ga

s

dete

c

to

r

of

ri

ght

E

x

C

ode no. 20711066 In

s

ta

ll

at

i

on

M

anua

l

G

a

s

D

ete

c

to

r

A

T

EX

R

e

v

. 3.9

P

age 26/33

_____________________________________________________________________________

Fi

gu

r

e 21,

D

G

T

t2

r-

e

x

a

l

a

rm

and de

l

a

y

s

ett

i

ng

s

.

Fi

gu

r

e 22,

D

G

T

t2

-

e

x

and

D

G

T

t2

r-

e

x

a

l

a

rm

and de

l

a

y

s

ett

i

ng

s

.

Atex DGTt2-ex User manual

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