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BD|SENSORS GmbH
data sheet PA 440

data sheet PA 440

Product catalog summary

Overview: The BD SENSORS PA 440 is a field display designed for use with pressure transmitters. It supports current loop systems and offers features such as a scalable display, switch mode, and parameterizable contact deceleration.

Functional Range: The device includes a free scalable display, switch mode, hysteresis, and parameterizable deceleration of contacts. It does not require an external power supply.

Product Characteristics: The PA 440 is compatible with pressure transmitters that have output signals of 4-20 mA (2-wire) or 0-10 V (3-wire). It features a 4-digit LCD display, plastic housing, and a pressure compensation element with a PTFE filter. Optional versions include an IS-version, 2 contacts, and a 4-digit LED display.

Technical Data: The standard analogue signal is 4-20 mA for 2-wire systems, with an option for a 3-wire system (0-10 V) in preparation. The accuracy is ≤ ± 0.1% FSO ± 1 digit. The device is supplied by the current loop with a voltage drop ≤ 6.5 V. It includes two independent PNP open collector contacts with a maximum contact rating of 125 mA and a switching frequency of up to 8/sec.

Miscellaneous: The PA 440 offers reverse polarity protection, electromagnetic compatibility, and short-circuit protection. It has an ingress protection rating of IP 65. The display is a 4-digit, 7-segment LC display with a range of -1999 to +9999 and an accuracy of 0.2% ± 1 digit. The permissible temperature range for electronics, environment, and storage is -20 to 70 °C.

Material and Dimensions: The display housing is made of grey plastic ABS. Cable entries are through a cable gland M16x1.5 with NBR seals. The dimensions are 80 mm x 120 mm x 57 mm, and the weight is approximately 220 g.

Compliance and Safety: The device conforms to the EMC Directive 2014/30/EU. Optional explosion protection is available with approvals for zone 1: II 2G Ex ia IIB T4 Gb. Safety technical maximum values include Ui = 28 VDC, Ii = 93 mA, Pi = 660 mW.

Applications: The PA 440 is typically used for in situ display in applications such as tank batteries and pumping stations.

Catalog excerpts

PA 440 Field Display for Current Loop with Contacts Typical application free scalable display switch mode, hysteresis, parameterizable deceleration of the contacts no external power supply necessary in situ display at e.g. for tank batteries, pumping stations and much more field display for pressure transmitter with output signal: 4 … 20 mA / 2-wire or 0 … 10 V / 3-wire plastic housing pressure compensation element with PTFE-Filter BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein

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Technical Data Analogue signal Standard Option IS-version Option 3-wire Accuracy Contact Number, type Switching performance Switching frequency Delay time 2 independent PNP open collector contacts contact rating max. 125 mA, short-circuit resistant max. 8/sec 0 ... 100 sec Miscellaneous Electrical protection reverse polarity protection (no damage, but also no function); electromagnetic compatibility (emission and immunity according to EN 61326); short-circuit protection IP 65 4-digit, 7-segment LC display, range of indication -1999 ... +9999; accuracy 0.2 % ± 1 digit; standard: LC display, digit...

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Standard version 8 5 1 Analogue output the unit signs are loose-settled only possible in combination with LED display © 2020 BD|SENSORS GmbH - The specifications given in this document represent the state of engineeringat the time of publishing. We reserve the right to make modifications to the specifications and materials. 4 … 20 mA / 2-wire intrinsic safety for zone 1 / 4 … 20 mA / 2-wire customer Contact without contact 2 contacts Unit without bar mbar mH2O % mA customer Label on display standard neutral customer Display LC display LED display Housing material plastic ABS Special version standard...

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