DBL Differential pressure for air0 pages

DBL

DIFFERENTIAL
PRESSURE
SWITCHES

PRESSURE

Differential pressure for air or non-aggressive
and non-inflammable gas control
Function:
Differential pressure for air or non aggressive and non inflammable gases
control.
Alarm activation at a pre-set value.
Applications:
Well-suited in domestic, commercial and industrial strong polluted areas
in air conditioning and ventilating systems for:
- filter monitoring;
- correct fan operating control;
- low pressure and overpressure monitoring;
- deactivating of electrical heaters during air missing.
Note

Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments

Connector P1 of higher pressure or lower vacuum.
Connector P2 of lower pressure or higher vacuum.
Connector Ø 6.0 mm for hose PVC 5 x 8 mm.

TYPE

RANGE mbar

DBL-205A
DBL-205B
DBL-205C
DBL-205D
DBL-205E
Accessories

DIFFERENTIAL mbar

MAX PPRESSURE mbar

0.3...4.0 (30...400 Pa)
0.15 ± 15%
0.5...5.0 (50...500 Pa)
0.2 ± 15%
0.2...3.0 (20...300 Pa)
0.1 ± 15%
2...10 (200...1000 Pa)
1.0 ± 15%
5...25 (500...2500 Pa)
1.5 ± 15%
DBZ-06 - Connection set with 2 PVC duct connectors, 2 m flexible PVC pipe and 4 screws
DBZ-14A - Set with mounting bracket and screws
DBZ-14B - Set with mounting bracket and screws

Technical data

100
100
100
100
100

Wiring diagram

Contact: tttt
according to EN 1854 (EN 60730) microswitch with SPDT contacts
Switch capacity: ttt
1.5 (0.4) A, 250 Vac
Differential mBar:t
tt
fixed (see schedule)
Working temperature: ttt
-20...+85°C 10...90% r.h. (without condensing)
Diaphragm: ttt
silicone (LSR)
Storage: tttt
-40...+85 ºC
< 90% r.h.
Housing:t
tttPS
Protection:ttttIP54, class II
Max sizet ttt
Ø 118 x h 57,5 mm
Weight: tttt180…210 g

The contact 2 - 3 closes and the
contact 1 - 3 opens when the differential pressure rises (fig. 1).

Dimensions (mm)

Riels Instruments Srl

+39 049 8961771

+39 049 717368 www.riels.it info@riels.it