Low pressure transmitter

Dynamic micro flow sensor
Smallest measuring range 0…10 Pa
Analog output 0…10 V and 0/4…20 mA
2 outputs with change-over contacts 250V, 8A
Characteristic linear or square-rooted
LCD-Display with 4 lines of 20 characters
Contact function min. or max.
Supply voltage 230 Vac, 24 Vac or 24 Vdc
Protection class IP 65

Manometer with diaphragm element for indication of pressure, under pressure or differential pressure of non aggressive gas. Thanks to the measuring principle, the device is irrespective of position and has an extremely high zero-point security with the smallest measuring ranges. Thereby, it is particularly suitable for air flow measurement according to the “Differential pressure” or “dynamic pressure” method with square-root characteristic. No negative pressure measurement possible.

Operating mode:
Measuring mode with limit contacts
Measuring medium:
Air or non-aggressive gases
Measuring principle:
Electromechanical diaphragm measuring system
Measuring unit:
Pa or m³/h
Smallest measuring range:
0…50 Pa (0.5 mbar), resolution 11 Pa
Largest measuring range:
0…3500 Pa (35 mbar), resolution 11 Pa

Measuring ranges:
0…10 Pa, 0…20 Pa, 0…50 Pa, 0…100 Pa, 0…200 Pa, 0…400 Pa, 0…500 Pa, 0…1000 Pa, 0…2000 Pa, 0…3000 Pa, 0…3500 Pa
Measuring range selection:
factory preset
linear or square rooted
selectable 0, 1, 2, 4, 8, 16, 32 s
Ambient temperature:
Storage temperature:
Switching function:
min. or max. for each contact
Adjustable switching ranges:
0 … 100% measuring range
Switching outputs:
2 potential-free change-over contacts
Switching delay:
adjustable 0 … 20 s
Contact load:
250 Vac, 6A, induction-free load

Overpressure protection:
min. up to 10-times the measuring range

Static pressure:
max. 0.2 bar

Zero point calibration:
Adjustable by REEDcontact, no cyclic zero-point calibration required

Reaction time:

Zero drift:

Sum of linearity and hysteresis:

Temperature drift zero point:
±0.3% / 10K

Temperature drift measuring range:
±0.2% / 10K

Ultramid/ABS, black / grey

122 x 120 x 85 mm (w x h x d)

approx. 900 g

Protection class:
IP65 according EN 60529

Illuminated LCD display – 4 lines, 20 characters

Electrical connections:
Screw terminals, cable entry: 3 x M16 x 1.5

Pressure connections:
Hose connections 8 mm ø

Power supply:
230 Vac, 24 Vac or 24 Vdc

Power consumption:
approx. 1.5 VA

0/2…10 V and 0/4…20 mA

EN 61000-6-2, EN 61000-6-3, CE-mark
According RoHS-directive 2011/65/EU

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