Oppermann Regelgeräte DD ATEX Series Manual

Pressure differential monitor DD-...-ATEX
Technical Data
Membrane material: silicone (others on request)
Permissible ambient
conditions: -20 ºC – +85 ºC
Max. positive
operating pressure: 10 kPa
Pressure ports:
P1 + P2 at 6.0 mm diameter
Electrical switch rating: 24 V DC / 100 mA; 30 V DC / 60 mA
Electrical connections:
Terminal connector 6.3 x 0.8
DIN 46244 with screw-on terminals
up to 2.5 mm
Contact arrangement:
contacts are shown in
the depressurized state
p
Protection type:
with protective cover IP 54
Housing material: switch housing: PA 6.6;
mounting bracket: POM
Service life: > 10
Applications: Pressure differential monitor for
monitoring combustible, non-
aggressive gases / vapors.
Compressed media:
air and combustible, non-aggressive
gases / vapors
2
switching cycles
6
Sensor ventilation air conditioning PG1 | Data sheet No. 13102 | Version 04-2020 | 1 | 4
•
Atex Zone 1, 2 and 21, 22
nation certification BVS 06 ATEX E 141X for
gases and dusts | equipment category II 2G
and II 2D | ignition protection type EX ia IIB T4
Gb and Ex ia IIIB T135°C Db.
•
Large scale for adjusting switching pressure
•
Metric cable threads
•
Mounting angle bracket with screw-on or
clip-on fastener
•
Duct connection fitting length 60 mm
•
Vertical and horizontal installation orientation
Pressure range
Type Adjustment range
for upper switching
pressure
from
DD-80-EV-ATEX 20 Pa
DD-84-EV-ATEX 30 Pa
DD-83-EV-ATEX 50 Pa
DD-85-EV-ATEX 200 Pa
DD-86-EV-ATEX 500 Pa
DD-87-EV-ATEX 1,000 Pa 5,000 Pa 250 Pa
Details for the setpoint in vertical installation orientation.
The target value (setpoint) can be adjusted with an adjustable
potentiometer using a reference value scale without manome-
ter. The switching differential can be adjusted with a
screwdriver.
Function / installation / electrical
connection / startup
All work (such as installation, electrical connection, startup,
operation, and maintenance) must only be performed by
sufficiently qualified tradesmen. The respectively applicable
local rules and regulations (e.g. national building codes,
electrical/VDE regulations, etc.) must be observed. Installers
and operating entities are required to sufficiently familiarize
themselves before startup. Read the product description
before operating the equipment. Verify that the product can
be used for the relevant application without restrictions. We
| ATEX type exami-
Switching Tolerance
differential
setting
To
200 Pa 10 Pa ±15 %
400 Pa 15 Pa ±15 %
500 Pa 20 Pa ±15 %
1,000 Pa 100 Pa ±15 %
2,500 Pa 150 Pa ±15 %
±15 %