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Datasheet summary

Deltabar M PMD55B

Engineering summary from PDF text extraction for Deltabar M PMD55B. Verify every value with the OEM datasheet.

Summary

Product Identification

Deltabar PMD55B: Digital differential pressure transmitter with metal process membrane.

Applications

  • Pressure measuring ranges: up to 40 bar (600 psi)
  • Static pressure: up to 250 bar (3 750 psi)
  • Accuracy: up to ±0.055%

Operating Limits

Measuring Range

The maximum working pressure (MWP) and overpressure limit (OPL) can vary based on device configuration.

Standard: PN 160 / 16 MPa / 2400 psi

Measuring CellMaximum Measuring Range [mbar (psi)]Smallest Calibratable Span (preset at factory) [mbar (psi)]
10 (0.15)–10 to +100.25
30 (0.45)–30 to +300.3
100 (1.5)–100 to +1001
500 (7.5)–500 to +5005
3000 (45)–3000 to +300030
16000 (240)–16000 to +16000160
40000 (600)–40000 to +40000400
  • Turn down > 100:1 on request or can be configured at the device.
  • Maximum TD is 5:1 for platinum.

Standard: PN 250 / 25 MPa / 3626 psi

Measuring CellMaximum Measuring Range [mbar (psi)]Smallest Calibratable Span (preset at factory) [mbar (psi)]
100 (1.5)–100 to +1001
500 (7.5)–500 to +5005
3000 (45)–3000 to +300030
16000 (240)–16000 to +16000160
40000 (600)–40000 to +40000400
  • Turn down > 100:1 on request.
  • Maximum TD is 5:1 for platinum.

Maximum Working Pressure (MWP) and Overpressure Limit (OPL)

Standard: PN 160 / 16 MPa / 2400 psi

Measuring CellMWP [bar (psi)] (on both sides)OPL [mbar (psi)]Burst Pressure [bar (psi)]
10 (0.15)100 (1500)150 (2250)690 (10005)
30 (0.45)100 (1500)150 (2250)690 (10005)
100 (1.5)160 (2400)160 (2400)690 (10005)
500 (7.5)160 (2400)160 (2400)690 (10005)
3000 (45)160 (2400)160 (2400)690 (10005)
16000 (240)160 (2400)160 (2400)690 (10005)
40000 (600)160 (2400) (+) / 100 (1500) (-)240 (3600)690 (10005)

Standard: PN 250 / 25 MPa / 3626 psi

Measuring CellMWP [bar (psi)] (on both sides)OPL [mbar (psi)]Burst Pressure [bar (psi)]
100 (1.5)250 (3626)250 (3626)1320 (19140)
500 (7.5)250 (3626)250 (3626)1320 (19140)
3000 (45)250 (3626)250 (3626)1320 (19140)
16000 (240)250 (3626)250 (3626)1320 (19140)
40000 (600)250 (3626) (+) / 100 (1500) (-)375 (5625)1320 (19140)

Minimum Static Pressure

  • Silicone oil (reference conditions): 25 mbar (0.0375 psi) abs
  • Silicone oil (at 85 °C / 185 °F): up to 250 mbar (4 psi) abs

Performance Characteristics

Reference Operating Conditions

  • As per IEC 62828-2
  • Ambient temperature: +22 to +28 °C (+72 to +82 °F)
  • Humidity: 5 to 80 % rF ± 5 %
  • Ambient pressure: 860 to 1 060 mbar (12.47 to 15.37 psi)
  • Membrane material: AISI 316L (1.4435), Alloy C276
  • Supply voltage: 24 V DC ±3 V DC
  • Load with HART: 250 Ω

Total Performance

The total performance comprises reference accuracy, ambient temperature effect, and static pressure effect.

Reference Accuracy [E1]

  • Standard and Platinum variants available depending on measuring cell size and turn down ratio (TD).
  • Values range from ±0.055% to ±0.1% for TD 1:1, with formulas provided for TD > 1:1.

Temperature Effect [E2]

  • E2M - Main temperature error: Varies based on measuring cell size and TD.
    • 10 mbar & 30 mbar: ±(0.31 % · TD + 0.5 %) for Standard.
    • 100 mbar: ±(0.18 % · TD + 0.02 %) for Standard and Platinum.
    • 500 mbar to 40 bar: ±(0.08 % · TD + 0.05 %) for Standard and Platinum.
  • E2E - Electronics error:
    • 4 to 20 mA: 0.2 %
    • Digital output HART: 0 %
    • Digital output PROFINET: 0 %

Static Pressure Effect [E3M - Main static pressure error]

  • Varies based on measuring cell size, TD, and pressure range.
  • Influence on zero point and span is specified per 1 bar (14.5 psi) or 70 bar (1050 psi).

Resolution

  • Current output: <1 μA

Long-term Stability

Specifications are for the upper range limit (URL) and provided for 1, 5, and 10 years.

  • 10 mbar & 30 mbar: 1 year: ±0.25%, 5 years: ±1.25%, 10 years: ±1.50%
  • 100 mbar: 1 year: ±0.18%, 5 years: ±0.35%, 10 years: ±0.50%
  • 500 mbar to 40 bar: 1 year: ±0.05%, 5 years: ±0.13%, 10 years: ±0.23%

Response Time T63 and T90

  • 10 mbar and 30 mbar: Dead time (t1): max. 50 ms; Time constant T63 (t2): max. 450 ms; Time constant T90 (t3): max. 1100 ms.
  • 100 mbar: Dead time (t1): max. 50 ms; Time constant T63 (t2): max. 120 ms; Time constant T90 (t3): max. 200 ms.
  • All other measuring cells: Dead time (t1): max. 50 ms; Time constant T63 (t2): max. 85 ms; Time constant T90 (t3): max. 200 ms.

Warm-up Time

  • ≤ 5 s (according to IEC62828-4)

Environment

Ambient Temperature Range

  • Without segment/graphic display: –40 to +85 °C (–40 to +185 °F)
  • With segment/graphic display: –40 to +85 °C (–40 to +185 °F) (with limitations)
  • Separate housing: –20 to +60 °C (–4 to +140 °F)

Storage Temperature

  • Without LCD display: –40 to +90 °C (–40 to +194 °F)
  • With LCD display: –40 to +85 °C (–40 to +185 °F)
  • Separate housing: –40 to +60 °C (–40 to +140 °F)

Operating Altitude

  • Up to 5 000 m (16 404 ft) above sea level.

Climate Class

  • Class 4K4H (–20 to +55 °C, 4 to 100 % relative humidity) as per DIN EN 60721-3-4.

Degree of Protection

  • Housing and process connection: IP66/68, TYPE 4X/6P (IP68: 1.83 mH₂O for 24 h)
  • Cable entries: Varies based on gland type (plastic, brass, 316L), thread type (M20, G1/2, NPT1/2), and plug type (HAN7D).

Mechanical Construction

Dimensions

See the official PDF for exact tabulated values.

Weight

See the official PDF for exact tabulated values.

Materials in Contact with Process

See the official PDF for exact tabulated values.

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.