PRAK Flush Diaphragm Pressure Transmitter TP8

The PRAK outputs a passive bridge signal of 1 or 2 mV/V – not a conditioned standard signal; sensitivity is selected at the time of order. The diaphragm is flush with the flange surface: no bore in front of the measuring surface and a silicone cable instead of a connector, the medium can be up to +150 °C. The measuring body is a monolithic piece of 17-4 PH stainless steel, fully laser-welded and resin-potted. The price depends on the measuring range and sensitivity.

Nominal pressure via selection: relative 10 and 20 bar (zero point at atmospheric pressure), absolute 50, 100, 250, 350, 500, 700 and 1000 bar (zero point in absolute vacuum).

Technical Data

• Output: 1 mV/V or 2 mV/V · combined error ≤ ±0.50 %, characteristic value tolerance ≤ ±0.1 %.

• Temperature influence: zero point ≤ ±0.015 %/°C, characteristic value ≤ ±0.015 %/°C. Zero point adjustment ≤ ±0.5 %.

• Frequency response: 15 to 87 kHz – also for dynamic measurements.

• Supply: 1–15 V, maximum 18 V · input resistance typically 420 Ω, output resistance typically 350 Ω.

• Connection: silicone cable, 3 m – no connector. The grounding is on the transducer body; the drawing does not individually name the wire colors.

• Temperature: operation -10 … +150 °C, storage -20 … +150 °C · protection class IP65 according to EN 60529.

• Process connection: flange, diaphragm flush with flange surface, G 1/4″ thread on the back.

• Dimensions: up to 700 bar flange Ø 38 mm, length 61 mm · at 1000 bar flange Ø 45 mm, length 68 mm.

• Pressure limits: continuous 100 %, permissible 150 %, burst > 300 %, highly dynamic 75 % of nominal pressure.

Application and Conformity

Hot, viscous and fibrous media – extrusion, injection moulding, asphalt and food processing technology, wherever a bore in front of the diaphragm would clog. CE, RoHS and REACH; EN 61326-1 and EN 61010-1; quality system according to EN ISO 9001.

On request: calibration certificate. As an option, sensitivity 1 mV/V or 2 mV/V.