Fischer pressure transmitter Building technology DE45
The DE 45 is a multi-function pressure in-strument that combines a digital readout,dual limit detection relays, and optional transmitter output. It can measure positive gauge, negative gau-ge, or differential pressure. It is ideally suited for applications such as:
Ventilation and air handling systems
Climate control systems
Environmental systems
Features
Robust design; over-pressure tolerant
Maintenance-free
Selectable pressure units
Piecewise linear output transformation via
3...30 entries table
Applications
Monitoring of roll-band filters, vacuum systems,etc.
Chimney draught measurement
Flow and control-pressure measurement
Surface coating systems
Operating temp. (ambient)
-10 ... 70!a
Operating temp. (media)
-20 ... 70!a
Storage temperature
IP 65 per DIN 60529
Protection class (housing)
Electrical
24 V DC / AC
Nominal supply voltage
12 ... 32 V DC / AC
Operating supply voltage
0 ... 20 mA, 4 ... 20 mA, or 0 ... 10 V DC (3-wire)
Output signal
For current output: 600 max. at 24 V DC supply voltage;
Output signal load
or R
(V - 12 V) / 0.02 A
L supply
For voltage output: 2 K (V
15 V DC)
supply10 K (V
= 12 ... 15 V DC)
supply
Power consumptionApprox. 2 W / VA
2 sets of voltage free contacts: N/O or N/C (programmable)
Relay contacts
V
= 32 V DC / AC; I = 2 A; P = 64 W / VA
max max max
Optional, instead of relay outputs: 2 voltage free MOSFET switch outputs; NO/NC
Solid-state switch outputs
(programmable), U = 3!-32 V DC/AC,
= 0.6 A, P = 20 W / VA, R 2.5
max max ON
Display3 digit LED
Connections, materials, mounting
Electrical connectionsTwo round-shell multi-pin connector sockets (M12)
Connector 1: 5-pin: power input and analog signal output
Connector 2: 4-pin: relay contacts / solid-state switch outputs
Pressure connectionsThreaded hose clamp connectors (aluminum) for 8/6 or 6/4 mm hose
Materials, housing Polyamide PAPA
Materials, media contact Silicon, PVC, aluminum, brass
MountingMounting holes at rear for panel mounting
Wall mountable using adaptor plate
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