Introduction; Figure 1 : Exploded View Of The Detector - DALEMANS DAT 420 Calibration Manual

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.
FLAMEPROOF "d"
STOPPER PLUG
FLAMEPROOF "d"
JUNCTION BOX
M4X6 SCREW
O-RING M20 X 17 X 2 mm
SENSING HEAD BASE
FPH01 STAINLESS STEEL
LOCKING SCREW
SENSING HEAD BODY
FPH01 STAINLESS STEEL
SENSING HEAD TOP
FPH01 STAINLESS STEEL
DAT420_MAN02_EN.docx • V1R1
PRE00000033
BOI00000188
VISVIS00042
MEC00000040
VISVIS00066
BASTRX00017
MEC00000018
MEC00000010

Figure 1 : Exploded view of the detector

DAT 420
www.dalemans.com
BOR00000087
EX "e" TERMINAL
BLOCK 2P + DIN RAIL
FLAMEPROOF "d"
M20 CABLE GLAND
PRE00000032
(6.1 - 11.7 mm)
PRE00000036
(6.5 - 14 mm)
FER00000001
FERRITE
4..20 mA TRANSMITTER
ELECTROCHEMICAL SENSOR
SENSOR GASKET
SINTERED METAL FILTER
OR
3