Pressure transmitter housing with display bottom

The pressure transmitter housing with display bottom enables precise measurement of differential pressure and displays the current measured values clearly at all times. Eight switchable measuring ranges and two output signals (0-10 V or 4-20 mA) ensure maximum flexibility. The compact housing with bottom connections and practical snap-on cover can be mounted quickly and easily. The IP54 protection rating offers solid protection for use in ventilation and air conditioning systems, clean rooms, or for filter monitoring. A manual zero point adjustment rounds off the functions.

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	Data sheet Pressure transmitter housing with display bottom
	Instruction manual Pressure transmitter housing with display bottom
	Declaration of Conformity Pressure transmitter housing with display bottom

Pressure transmitter - Supply and output
Output					0 - 10 V or 4 - 20 mA (via DIP switch)
Load resistance					Rl > 25 kOhm for voltage output
Load					Ra (Ohm) = 25 Ohm to 450 Ohm for current output
Signal filtering					Switchable 1 s / 10 s (via DIP switch)
Power consumption					< 1 W / 24 V DC; < 2 VA / 24 V AC
Power input					< 45 mA
Voltage supply					24 V AC / DC (± 10 %)
Pressure transmitter - Pressure
Pressure type					Differential pressure
Measuring function					Differential pressure, volume flow (square root output signal)
Pressure range selectable					max. ± 100 Pa max. ± 1000 Pa max. ± 5000 Pa
Measuring range					multi-range switching with 8 switchable measuring ranges
Accuracy pressure					typically ± 3 Pa (at ±100 Pa), ± 10 Pa (at ±1000 Pa), ± 35 Pa (at ±5000 Pa) at +25 °C
Zero offset					± 10 % Measuring range
Linearity					< ± 1 % EW
Hysteresis					0,3 % EW
Overpressure / underpressure					± 50 kPa
Pressure transmitter - Ambient conditions
Storage temperature					-30 °C to +80 °C
Operating temperature					-20 °C to +50 °C
Permissible air humidity					< 95 % r. H., non-precipitating air< 95 % RH, non-condensing air
Medium temperature					-20 °C to +50 °C (temperature compensated 0 °C to 50 °C)
Medium					clean air and non-aggressive, non-flammable gases
Temperature drift					± 0.1 % per °C EW
Long-term stability					± 1 % / year
Pressure transmitter - Certifications / Standards
Protection class					III (according to EN 60 730)
Protection type					IP 54 according to EN 60 529
Standards					CE conformity according to EMC Directive 2014/ 30/ EU
Pressure transmitter - Technical drawing
Pressure transmitter - Housing
Material					Plastic, UV-resistant Material polyamide, 30 % glass bead reinforced
Dimensions (L/W/H) (mm)					72 x 64 x 43,3
Color					Traffic white (similar to RAL9016)
Wetted parts					Brass, Ni, thermoset, Si, epoxy, RTV, BSG, UV silicone gel
Electrical connection					0.14 - 1.5², via screw terminals on circuit board
Display					Two lines, lighted For display of actual pressure
Cut-out Display (B/H) (mm)					ca. 36 x 15
Extra					For display of actual pressure
Closure					with snap cap
Pressure connection					with connection piece for pressure hose ⌀ 6 mm
Electrical connection					0.14 - 1.5 mm², via screw terminals on circuit board
Screw connection					Cable gland, Plastic, M20x1,5, Strain relief, replaceable, max. 10,4 mm ⌀ Inner
Pressure transmitter - Important assembly instructions
[A] Negative pressure P1 (+) is not connected, is open to the atmosphere on the air side P2 (-) connection in the duct [B] Filter: P1 (+) connection before the filter P2 (-) connection after the filter [C] Fan: P1 (+) connection before the fan P2 (-) connection after the fan [D] Volume flow: P1 (+) dynamic pressure, connection in flow direction P2 (-) static pressure, connection free of dynamic V = k · √Δ p (V = volume flow | k = k-factor | Δ p = differential pressure [Pa])
The device is supplied with the connection set (hoses and connection nipples). The pressure connections must be connected correctly according to the required monitoring type (see diagram). Before commissioning, check the pressure lines and electrical wiring for leaks.
Pressure transmitter - Delivery
Delivery					Transmitter, Operating instructions
Packing					individually packed in cardboard box