Instrumentation

PRODUCT DATASHEET
Differential Pressure Gauge and Transmitter air2guide WE
Acronym
Title
Cod
Brand

WE

Differential Pressure Gauge and Transmitter

WE
Marchio Mflow
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DESCRIPTION
Strumentazione - Differential Pressure Gauge and Transmitter air2guide WE

WE

Differential Pressure Gauge with Electrical Output Signal a2g


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APPLICATIONS
• For dry, clean, non-aggressive gases, usually air
• Fan and blower monitoring
• Differential pressure monitoring in filters
• Overpressure monitoring in cleanrooms
• For very low pressures
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FEATURES





Design
Nominal size
Accuracy Classe
Scale ranges


Pressure limitation
Steady
Fluctuating
Overpressure safety
Max. working pressure
(static pressure)
Operating Temperature
- Ambient
- Medium
- Storage
Temperature effect

Ingress protection



Process connection


Standard Accessories


Diaphragm
Movement
Dial
Pointer and mark pointer
Basic case and case for wall mounting
Window
Case for panel mounting and mounting ring



Output signal
Power Supply UB

Output signal
Power Supply UB

Terminal configuration
Output signal 4 ÷ 20 mA, 2 wire






Output signal 0 ÷ 10 V, 3 wire






Permissible max. load

Isolation Voltage
Electrical ingress protection
Overvoltage protection
Short-circuit resistance
Reverse voltage protection
CE Conformity
Pressure Equipment Directive
EMC Directive
Relative humidity


Ingress protection
Traceable calibration certificate
Measuring hose
• Zero adjustment in front
• Red mark pointer
• Simple mounting and dismounting
• Two-part construction (measuring element and case)
• With additional electrical output signal
Per EN 837-3 and ventilation and air conditioning (VAC) regulations
110 mm
3,0
0 ÷ 50 Pa sino a 0 ÷ 12.500 Pa
-25 ÷ +25 Pa sino a -125 ÷ +125 Pa
other plus/minus ranges on request

full scale value
full scale value
20 kPa
20 kPa


-30 ÷ +80 °C
-16 ÷ +50 °C
-30 ÷ +80 °C
When the temperature of the measuring system deviates from the reference temperature (+20 °C) max. ±0,4 %/10 K of full scale value
IP 54 secondo EN 60 529 / lEC 529


Standard Version
Plastic, lower mount (LM)
back mount G 1/8 (female) for hose connector
Hose connection 4 or 6 mm
3 fixing screws
Straight or angled threaded pressure connection G 1/8 for inner diameter 4 or 6 mm
Silicone
Contact-free transmission
Aluminium Scale angle, 90°
Plastic
Plastic
Makrolon
Plastic


Electronics
4 ÷ 20 mA, 2-wire,
14 ÷ 35 Vcc
or
0 ÷ 10 V, 3-wire
15 ÷ 35 VDC


WE Collegamenti Elettrici

WE Collegamenti Elettrici

4 ÷ 20 mA, 2 wire: RA ≤ (UB - 15 V) / 0,02 A (max. 600 Ω )
0 ÷ 10 V, 3 wire: RA > 10 kΩ
500 VDC

max. 35 VDC
Sig + to UB -
UB + to UB -

97/23/EG
EN 61000-6-4 e EN 61000-6-2
45 ÷ 90 % rF, non condensing

Options
IP 65
Internationally recognised
inner diameter 4 or 6 mm, in lengths between 1 and 3 m
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DIMENSIONS
Standard version [mm]

Wall mounting lower mount (LM)














Panel mounting, back mount
1) Mounting for wall thicknesses from 1 to 70 mm

WI Dimensioni

WI Dimensioni
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ORDERING INFORMATION
Model / Connection location / Wall mounting or panel mounting / Scale range / Options

Modifications may take place and materials specified may be replaced by others without prior notice.
Specifications and dimensions given in this leaflet represent the state of engineering at the time of printing.
AEROFILTRI s.r.l.Via Rubens, 23 • Milano • Italy