Pressure Transmitters Series 33 X / 35 X


Catalog excerpts

Pressure Transmitters Series 33 X / 35 X - 1

Highly Precise (0,01%) Pressure Transmitters Series 33 Xmathematically compensated / programmable Series 35 X Digital Output of Transmitter These Series are based on the stable, floating piezoresisitive transducer and a micro-processor with integrated 16 bit A/D converter. Temperature dependencies and non-linearities of the sensor are mathematically compensated. The high precision of 0,01 %FS is available as an option (a total error band of 0.05 %FS is specified as standard). With the CCS30 software and the KELLER converter K-114, the calculated pressure can be displayed on a computer or PC. The CCS30 software also allows the recording of pressure signals and the graphic display. Up to 128 transmitters can be hooked together to a Bus-system. Transmitter with Analog Output Integrated in the processor is a D/A converter of 16 bit for analog signal outputs (4...20 mA, 0...10 V, ...). The output rate is 400 Hz. The accuracy is diminished by this converting process by 0,05 %FS. The digital output is available on all transmitters with analog output. Programming With the KELLER software CCS30, a RS485 converter (i.e. K-114 from KELLER) and a PC, the pressure can be displayed, the units changed, a new gain or zero set. The analog output can be set to any range within the compensated range. Accuracy and Precision “Accuracy” is an absolute term, “Precision” a relative term. KELLER uses commercial pressure sources that are at least 4 times better than the product to be tested and can therefore guarantee an accuracy of 0.05%. Below this range, KELLER uses the term “precision” for the ability of a pressure transmitter or manometer to be within 0.01% of these commercial standards for every pressure point. These pressure gauges can be adapted to a standard/reference of an accredited laboratory via the digital interface by correcting the zero point and amplification, which guarantees an “accuracy” of 0.01%FS. Series 35 X G1/2”, flush diaphragm Female Port ELECTRICAL CONNECTIONS Serie PD-33 X with DIN 43650 plug Serie 35 X (G1/2”) with Binder 723 plug KELLER Ges. fur Druckmesstechnik DE-79798 Jestetten +49 7745 9214 0 H Edition 10/2017 Subject to alterations Companies approved to ISO 9001

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Pressure Transmitters Series 33 X / 35 X - 2

□ KELLER Specifications All intermediate ranges for the analog output are realizable with no surcharge by spreading the standard ranges. Accessing the extended area 0.1 bar Also negative and further +/- ranges possible. Option: Adjustment directly to intermediate ranges (below 20 pieces against surcharge). Standard Pressure Ranges (FS) and Overpressure in bar PR-33 X / PD-33 X / PR-35 X 0,3 ±0,3(1) 1 ±1 3 10 30 PA(A)-33 X / PA(A)-35 X 0,8...1,2 1 3 10 30 100 300 700 1000 Line pressure(2) PD-33 X 200 bar, optional 600 bar (for all Pressure Ranges...

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