Deltabar PMD50 – differential pressure transmitter

The Deltabar PMD50 is a differential pressure transmitter with metal membrane for measurement of liquids and gases. It is optimized for standard applications and offers intuitive operating functions.

Transmitter with metal membrane for differential pressure monitoring in liquids or gases. Intuitive and clear wizard for commissioning.

  • Pressure measuring range: up to 40 bar (600 psi)
  • Process temperatures up to 400°C (752°F) with diaphragm seal
  • Accuracy: up to +/-0.055%

Benefits

  • Software wizard enables fast and easy commissioning
  • Devices developed in accordance with IEC 61508
  • Flexible write protection via hardware and/or software wizard
  • Pre-assembled manifolds (pressure and leakage-tested) for faster installation

Supply voltage

Ex d, Ex e, non-Ex:

10.5…35V DC

Ex i: 10.5…30V DC

Reference Accuracy

Standard:

up to 0.065 %

Platinum:

up to 0.055 %

Long term stability

0.1 % of URL/ year

0.2 % of URL/ 5 years

0.25 % of URL/ 10 years

Process temperature

-40°C…+110°C

(-40°F…+230°F)

Ambient temperature

-40°C…+85°C

(-40°F…+185°F)

Measuring cell

100 mbar…40 bar

(1.45 psi…580 psi)

Smallest calibratable span

0.3 mbar (0.0043 psi)

Vacuum resistance

25 mbar (0.0375 psi)

Max. Turn down

20:1

Max. overpressure limit

375 bar (5625 psi)

Process connection

NPT1/4-18

Material process membrane

316L, AlloyC, Gold

Material gasket

PTFE, FKM, EPDM, FFKM

Fill fluid

Silicone oil,

Inert oil

Material housing

Aluminum, 316L

Communication

4…20 mA HART

Certificates / Approvals

ATEX, FM, IECEx, JPN Ex,

INMETRO, NEPSI

Safety approvals

SIL

Design approvals

EN10204-3.1,

NACE MR0103,

NACE MR0175

Specialities

Zero/Span buttons,

Testclamp,

RFID TAG for easy identification

Differential pressure transmitter with a metal process membrane, for measuring differential pressure, level and flow in liquids or gases. Measuring range: up to 40 bar (~600 psi) for the differential pressure cell. Static (process) pressure capability: indications of up to ~250 bar (~3 750 psi) in technical information. Accuracy: Standard version: up to ±0.065% of span. “Platinum” version: up to ±0.055% of span. Process temperature range: typically –40 °C … +110 °C (for direct connection) With diaphragm seal version, process temperatures up to ~400 °C (752 °F) are possible. Material options for process membrane: 316L stainless steel, Alloy C, Gold. Output/communication: 4-20 mA with HART protocol. Commissioning via software wizard for ease of configuration. Pre-assembled manifolds (pressure/ leakage tested) available for faster installation. Approval certifications: ATEX, IECEx, FM, etc; safety ratings including SIL options.