Type Dynamic differential pressure transducers
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1 Homepage > Prodotti > Unità di regolazione > Misurazione della portata aria > trasduttore > Type Dynamic differential pressure transducers Type Dynamic differential pressure transducers FOR THE DYNAMIC MEASUREMENT OF EFFECTIVE AND DIFFERENTIAL PRESSURES Differential pressure transducers based on the dynamic measurement principle for volume flow rate measuring units Type VMR or VME Linear volume flow rate actual value 0 10 V DC or 2 10 V DC Recording of measured values for the display of volume flow rates or for the control of slave controllers Any installation orientation Parameters are factory set
2 APPLICATION Application Electronic volume flow controller Universal with dynamic differential pressure transducer for use with volume flow rate measuring units Parameters are factory set On-site adjusting is not required Standard filtration in comfort air conditioning systems allows for use of the transmitter in the supply air without additional dust protection. Since a partial volume flow is passed through the differential pressure transducer in order to measure the volume flow rate, please note: With heavy dust levels in the room, suitable extract air filters must be provided. If the air is polluted with fluff or sticky particles, or if it contains aggressive media, dynamic pressure transducers cannot be used For this application the Universal controller is only used for measuring the differential pressure and for transforming the measured value into a linear voltage signal. Connections for setpoint value signal and actuator are not relevant, and neither are the corresponding technical data. Volume flow rate actual value is available as linear voltage signal DESCRIPTION Parts and characteristics Sensor for dynamic differential pressure measurements TECHNISCHE INFORMATION Function, Technical data, Produktbeziehungen
3 FUNCTION Functional description The volume flow rate is determined by measuring the effective pressure. For this reason the measuring unit is fitted with an effective pressure sensor. The integral differental pressure transducer transforms the effective pressure into a voltage signal. The volume flow rate actual value is hence available as a voltage signal. The factory setting is such that 10 V DC always corresponds to the nominal volume flow rate (V ). nom Voltage ranges are factory stored in the controller. Changes on the customer's site can easily be carried out using an adjustment device or a notebook with service tool. Principle of operation dynamic differential pressure transducer 1 Differential pressure transducer 2 Volume flow controller 3 Actual value signal
4 TECHNICAL DATA Volume flow controller VRD3 Supply voltage (AC) 24 V AC ± 20 %, 50/60 Hz Supply voltage (DC) 24 V DC 10/+20 % Power rating (AC) without actuator max. 3.5 VA Power rating (DC) without actuator max. 2 W Setpoint value signal input 0 10 V DC, R > 100 kω a Actual value signal output 0 10 V DC, 0.5 ma max. IEC protection class III (protective extra-low voltage) Protection level IP 40 EC conformity EMC according to 2014/30/EU Weight kg Variants VARIANTS Any attachments are to be defined with the order code of the volume flow rate measuring unit. B10 Application Electronic volume flow controller VRD3 with dynamic differential pressure transducer for use with volume flow rate measuring units Differential pressure transducer and controller electronics are fitted together in one casing
5 Signal voltage range 0: 0 10 V DC 2: 2 10 V DC Parts and characteristics Sensor for dynamic differential pressure measurements Dynamic differential pressure transducers for volume flow rate measuring units Order code detail Attachment Controller Volume flow rate measuring unit Part number Type B10 M546GA4 VRD3 VMR, VME Universal controller VRD3 Home Contatto Stampa Condizioni generali di vendita e consegna Privacy Disclaimer 18/07/2018 TROX Italia S.p.A.
6 Homepage > Prodotti > Unità di regolazione > Misurazione della portata aria > trasduttore > Type Dynamic differential pressure transducers Home Contatto Stampa Condizioni generali di vendita e consegna Privacy Disclaimer 18/07/2018 TROX Italia S.p.A.
7 Homepage > Prodotti > Unità di regolazione > Misurazione della portata aria > trasduttore > Type Dynamic differential pressure transducers Electrical connection, Characteristics ELECTRICAL CONNECTION B1*, Klemmenbelegung 1 Steckverbindung Stellantrieb 2 Steckverbindung Einstellgerät 1, : Masse, Null 2 ~, +: Versorgungsspannung 3 w: Sollwertsignal 4 PP: Anschluss Einstellgerät 5 U5: Istwertsignal 6 z1: Zwangssteuerung 1 (AUF) 7 z2: Zwangssteuerung 2 (ZU, V, V ) Universal: VRD3 min max CHARACTERISTICS BC0, BP*, B1*, Kennlinie des Istwertsignals V DC V DC LMV-D3-MP, NMV-D3-MP, NMV-D3LON, VRD3, VRP-M Home Contatto Stampa Condizioni generali di vendita e consegna Privacy Disclaimer 18/07/2018 TROX Italia S.p.A.
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Type Static differential pressure transducers
Homepage > Products > Control units > Volume flow rate measurement > Transducer > Type Static differential pressure transducers Type Static differential pressure transducers FOR THE STATIC EFFECTIVE AND
Type Differential pressure transducer
Homepage > Prodotti > Sistemi di regolazione > Sistema di regolazione EASYLAB - LABCONTROL > Sensori > Type Differential pressure transducers Type Differential pressure transducer FOR THE DIFFERENTIAL
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