*mydirectindustry

Data Sheet ND 8204

Product catalog summary

Overview: The document is a technical data sheet for the ND 8204 differential pressure transmitter by Trafag Sensors & Controls, a Swiss company specializing in high-quality sensors and monitoring instruments for pressure and temperature measurement. The transmitter is designed for applications in shipbuilding and engine manufacturing, offering high zero point stability and resistance to pressure cycling, with EMC protection compliant with IEC 61000 standards.

Technical Specifications:

Measuring Principle: Thin film on steel
Media Temperature: -25°C to +125°C
Measuring Range: 0 to 1 bar up to 0 to 16 bar
Ambient Temperature: -25°C to +85°C
Output Signal: 4 to 20 mA (P1–P2)
Accuracy at 25°C: Typically ±0.8% FS
Approvals: BV, DNV, RINA

Product Variants: The document lists several product variants with different measuring ranges, maximum system pressures, and overpressure limits. Each variant is identified by a specific type code.

Environmental and Mechanical Data:

Protection: Minimum IP65
Humidity: Max 95% relative
Vibration: 6g (25 to 2000 Hz)
Shock: 50g/1 ms
Electrical Connection: Terminal screw 0.75 to 2.5 mm², screwed cable gland M20x1.5
Housing/Pressure Connection: AlSi10Mg/epoxy coated
Weight: Approximately 720 g

Functional Diagram: The document includes a functional diagram illustrating the differential pressure measurement process, highlighting the roles of P1, P2, and system pressure.

Dimensions: Detailed dimensions for various configurations of the transmitter are provided, including cable diameters and mounting specifications.

Additional Information: Links to further documentation such as data sheets, instructions, and flyers are provided for more detailed information.

Catalog excerpts

Differential Pressure Transmitter Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Shipbuilding Engine manufacturing High zero point stability High resistance to pressure cycling EMC protection, IEC 61000 Technical Data Measuring principle Thin film on steel Media temperature Measuring range Ambient temperature Output signal Trafag Sensors & Controls Switzerland www.trafag.com [email protected]

Open the catalog to page 1

ND 8204 Ordering information/type code 8204 . XX XXXX XX XX Measuring range 1) Pressure measurement range [bar] 0 ... 1.0 Maximum system pressure [bar] 2.5 Pressure connection Fixing Standard Wall mounting bracket s Connector with marine cable gland DIN89280, M24x1.5 (Cable -ø 14...16.5) s Connector with marine cable gland DIN89280, M18x1.5 (Cable -ø 8...10.5) Damping elements and Snubber: See specification sheet H72258 Customized pressure ranges upon request Standard products (extra short lead time) Product No. Type Code

Open the catalog to page 2

TC zero point and span typ. Long term stability 1 year typ. Output / supply voltage Rise time Media temperature Ambient temperature Environmental conditions Electrical Data Humidity Vibration Electrical connection Screwed cable gland Housing / Pressure connection Mechanical Data Provided female connector is mounted according to instructions Functional diagram Electrical Connection p = Differential Pressure P1 = Higher pressure P2 = Lower pressure P = System pressure

Open the catalog to page 3