www.dalemans.com
DAT420_MAN02_EN.docx • V1R1
3
DAT 420
3.
INTRODUCTION
The DAT 420 gas detector is comprised of:
•
A junction box containing the connection terminals;
•
The FPH01 sensing head, which contains an electrochemical sensor and the 4..20 mA transmitter.
For information concerning the installation and use of the DAT 420, refer to the instruction manual supplied
with the detectors, or contact Dalemans.
Figure 1 : Exploded view of the detector
FLAMEPROOF "d"
STOPPER PLUG
SINTERED METAL FILTER
SENSING HEAD BASE
FPH01 STAINLESS STEEL
FLAMEPROOF "d"
JUNCTION BOX
PRE00000033
BOI00000188
MEC00000010
VISVIS00042
M4X6 SCREW
ELECTROCHEMICAL SENSOR
DE
T
000000
19
4..20 mA TRANSMITTER
SENSOR GASKET
LOCKING SCREW
VISVIS00066
SENSING HEAD TOP
FPH01 STAINLESS STEEL
O-RING M20 X 17 X 2 mm
BASTRX00017
MEC00000018
MEC00000040
FERRITE
FER00000001
EX "e" TERMINAL
BLOCK 2P + DIN RAIL
BOR00000087
FLAMEPROOF "d"
M20 CABLE GLAND
PRE00000032
(6.1 - 11.7 mm)
OR
PRE00000036
(6.5 - 14 mm)
SENSING HEAD BODY
FPH01 STAINLESS STEEL