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DMK 351P

Product catalog summary

Overview: The DMK 351P is a pressure transmitter designed for the process industry, particularly suitable for the food and chemical sectors. It utilizes a capacitive ceramic sensor and offers high resistance to overpressure and aggressive media.

Specifications:

Accuracy: Standard accuracy is 0.35% FSO, with an optional accuracy of 0.25% FSO for pressures ≥ 0.6 bar.
Nominal Pressure: Ranges from 0 to 40 mbar up to 0 to 20 bar.
Output Signal: Available in 2-wire (4-20 mA) and 3-wire (0-10 V) configurations.
Materials: Pressure port and housing are made of stainless steel 1.4404 (316L), with options for ceramic diaphragms.

Features:

Hygienic version with various process connections (e.g., G1 1/2", diary pipe, Clamp).
High overpressure capability and resistance to aggressive media.
Optional intrinsically safe version for use in explosive environments.

Performance:

Long-term Stability: ≤ ±0.1% FSO per year.
Thermal Error: ≤ ±0.1% FSO per 10 K in the compensated range of -20 to 80°C.
Response Time: Mean response time is ≤ 200 msec, with a maximum of 380 msec.

Environmental and Mechanical Specifications:

Temperature Range: Medium: -40 to 125°C; Electronics/Environment: -40 to 85°C; Storage: -40 to 100°C.
Vibration and Shock Resistance: Vibration up to 10 g RMS and shock up to 100 g.

Electrical Protection:

Short-circuit protection is permanent, and reverse polarity protection prevents damage.
Electromagnetic compatibility is ensured according to EN 61326 standards.

Applications: Ideal for use in the food industry, chemical and petrochemical industries, and suitable for handling paint, varnish, viscous, and pasty media.

Additional Information: The transmitter is CE-conformant and complies with EMC and ATEX directives. It offers various electrical and mechanical connection options, including ISO 4400, Binder series 723, and M12x1 connectors.

Catalog excerpts

DMK 351P Pressure Transmitter for the Process Industry Ceramic Sensor accuracy according to IEC 60770: Standard: 0.35 % FSO Option: 0.25 % FSO The pressure transmitter DMK 351P has been designed for measuring small system pressure in the food industry and chemical industry. Nominal pressure from 0 … 40 mbar up to 0 … 20 bar Output signal The DMK 351P is based on an own-developed capacitive ceramic sensor element. It features high overpressure resistance and high resistance against most of aggressive media. A variety of different process and electrical connections and an intrinsically safe version complete the range of possibilities. 2-wire: 4 ... 20 mA 3-wire: 0 ... 10 V others on request Special characteristics ► hygienic version different process connections (G1 1/2", diary pipe, Clamp, etc.) high overpressure capability Preferred areas of use are Food industry Chemical and petrochemical industry IS-version Ex ia = intrinsically safe for gases and dusts customer specific versions e.g. special pressure ranges BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein Preferred used for Paint and varnish Viscous and pasty media

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DMK 351P Process Pressure Transmitter Pressure ranges Nominal pressure gauge Nominal pressure absolute Overpressure Permissible vacuum Output signal / Supply Standard Option IS-protection Option 3-wire Performance Accuracy 1 Long term stability Influence effects Permissible load Turn-on time Mean measuring rate Response time 1 Technical Data standard:   0.35 % FSO option for PN ≥ 0.6 bar:   0.25 % FSO ≤ ± 0.1 % FSO / year at reference conditions supply: 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ current 2-wire: Rmax = [(VS – VS min) / 0.02 A] Ω voltage 3-wire: Rmin = 10 kΩ 700 msec 5 / sec mean...

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Wiring diagram 2-wire-system (current) supply + Pin configuration Electrical connection compact field housing Supply + Supply -Signal + (only 3-wire) WH (white) BN (brown) GN (green) GNYE (green-yellow) Electrical connections (dimensions in mm) standard cable outlet with PVC-cable (IP 67) 2 compact field housing (IP 67) cable outlet, cable with ventilation tube (IP 68) 3 O universal stainless steel field housing 1.4404 with cable gland M20x1.5 (ordering code 880) and other versions on request 2standard: 2 m PVC-cable without ventilation tube (permissible temperature: -5 ... 70 °C) 3 different...

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4 mounting flange is included in the delivery (already pre-assembled)

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Output 4 … 20 mA / 2-wire 0 … 10 V / 3-wire intrinsic safety 4 … 20 mA / 2-wire customer Accuracy standard: 0.35 % FSO option for PN ≥ 0.6 bar: 0.25 % FSO customer Electrical connection male and female plug ISO 4400 male plug Binder series 723 (5-pin) male plug M12x1 (4-pin) / metal cable outlet with PVC cable (IP67) cable outlet, cable with ventilation tube (IP68) compact field housing stainless steel 1.4301 (304) customer Mechanical connection G 1 1/2" DIN flush (DIN 3852) Clamp DN 32 (DIN 32676) Clamp DN 50 (DIN 32676) dairy pipe DN 40 (DIN 11851) dairy pipe DN 50 (DIN 11851) Varivent® DN...

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