Electronet Equipment Pvt. Ltd.

Kondhwa, Pune, Maharashtra

PT-22SD Pressure Transmitter Features

• Measuring Range: 0.1 Bar to 1000 Bar

• Suitable Media: Liquids & Gases

• Accuracy: < ±0.1% of range

• Response Time: < 1 sec

• Long-term stability

• Robust design for harsh industrial environments

• High voltage & reverse polarity protection

Description

Electronet series PT-22SD Pressure Transmitters are designed for fast, accurate, and trouble-free pressure measurement in a wide range of industrial applications involving clean gases and liquids.
These transmitters provide electrical outputs in 4–20 mA DC or 0–5 V DC, proportional to the input pressure. A PNP alarm output (100 mA max.) is also available.
All wetted parts are made from stainless steel and are hermetically welded for high reliability and durability.

Technical Specifications Sensor

• Type: Piezo Resistive

Measuring Range

• AP URL: 100 kPa to 600 kPa

Power Supply

• 12 to 36 V DC

Display

• LED Display

Outputs

• Output 1: 4–20 mA DC / 0–5 V DC

• Output Load:

  • Max 600 Ω (for 4–20 mA)

  • 10 kΩ (for 0–5 V output)

• Output 2: PNP alarm output (max load 100 mA)

Performance

• Accuracy: ±0.25% F.S.

• Non-linearity: 0.2% of span

• Repeatability: < 0.1% of span

• Response Time: < 10 mSec (10–90% output change)

• Overpressure Safety: 2× max pressure range

• Burst Pressure: 3× max pressure range

Temperature

• Process Temperature: –20 to 120 °C

• Ambient Temperature: –20 to 55 °C

• Humidity: 5% to 95% RH (non-condensing)

Electrical & Mechanical

• Insulation Resistance: >100 MΩ at 100 V DC

• Adjustments: Programmable software calibration

• Process Connection: As per ordering information

• Electrical Connection: 4-Pin M12 Female

• Mounting: Direct line mount (vertical)

Construction

• Wetted Parts: SS316 (options on request)

• Enclosure: SS316 with IP65 protection / ABS Plastic

• Area Classification: Field mount, weather-proof IP65

Certifications

• CE Certified

Weight

• Approx. 0.6 kg

ELPRT-100 ERH – Nuclear Grade Analog Pressure Transmitter Salient Features

• Analog Type Transmitter

• Qualified for 4.1 MRad TID Gamma Radiation

• Two-wire system (4–20 mA DC)

• Capacitance Type Sensor

• Rangeability: 6:1

• 20 Years Service Life

• Conforms to IEEE-323 Environmental Conditions

• Conforms to IEEE-344 Seismic Conditions

• LOCA (Loss of Coolant Accident) Qualified

• Adjustable Damping

  Description

Electronet’s ELPRT-100 ERH is an indigenously developed Nuclear Grade Analog Pressure Transmitter, designed for reliable operation during normal and severe abnormal conditions in Nuclear Power Plants.

This transmitter is fully qualified as per IEEE-323 and IEEE-344 standards and is engineered to operate under harsh environmental, seismic, and LOCA conditions.
It uses a robust Capacitance Type Pressure Sensor, suitable for Pressure, Differential Pressure, and Absolute Pressure measurement applications.

  Additional Key Features

• Analog Design for long-term stability

• 20-year operational life

• 4.1 MRad TID Gamma Radiation qualification

• LOCA qualified (unsaturated test profile)

• Seismic qualification (1–100 Hz, all 3 axes) as per IEEE-344

• High accuracy & excellent long-term stability

• Zero suppression up to 500% and zero elevation up to 600%

• Continuous & adjustable span and zero

• Adjustable damping

  Functional Specifications General

• Transmitter Type: Analog, 2-Wire

• Output: 4–20 mA DC (Standard) / 20–4 mA DC

• Range: As per ordering range table

• Sensor Type: Capacitance Type

• Power Supply: 28 VDC ± 4 VDC

• Rangeability: 6:1

• Damping: 0 to 5 sec adjustable

Adjustments

• Zero Suppression: Up to 500% of calibrated span

• Zero Elevation: Up to 600% of calibrated span

• Span & Zero Adjustment: External via potentiometer

  Mechanical / Process

• Static Pressure: 4, 10, 25, 32 MPa (as per range)

• Body Rating: Max. 40 MPa

• Fill Fluid: Silicone Oil

• Process Connection: ½” NPT (F) / Others via adapter

• O-Ring / Gasket: Buna-N, EPDM, Teflon, Silicon Rubber

• Vent & Drain: Provided

• Mounting: Horizontal / Vertical, Wall or Stand mounting

• Weight: Approx. 11.5 kg

  Environmental

• Max. Process Temperature: 5–120°C

• Max. Operating Temperature (Electronics): 5–55°C

• Humidity: 0–100% RH

• Ingress Protection: IP-68 (IEC-60529)

• Service Media: Liquid (Heavy Water, Light Water), Gas, Vapor

  Electrical

• Electrical Connection: 3-Pin Allied Connector

• Power Supply Connection: 2/3-Pin MS Circular Connector

• Test Terminal: Provided (to monitor current without breaking load)

• Grounding: External grounding bolt provided

• Reverse Supply Protection: Yes

  Construction

• Housing: SS-316 for both mild & harsh environments

• Isolating Diaphragm: SS-316L / Hastelloy-C / Other

• Drain & Vent Valves: SS-316L / Hastelloy-C / Monel

• Process Flanges & Adapters: SS-316L / Hastelloy-C / Monel

• Bolts & Nuts: SS-316

ELPRT-100SPT – Smart Pressure Transmitter (With Remote Seal) Features

• Piezo Resistive & Capacitive Sensor

• ATEX Certified

• Excellent Long-Term Stability

• Two-Wire System

• Long Operational Life

• Rangeability: 100:1

• LCD Display

• Fast Response Time

• Application Flexibility with HART Communication

Description

Electronet Series ELPRT-100SPT (GP & AP) are smart pressure transmitters designed for accurate measurement of pressure in gases, vapors, and liquids.
They are widely used in refineries, petrochemicals, oil & gas, power plants, chemical industries, food processing, and pharmaceutical industries.

Built on a rugged mechanical structure using advanced silicon and capacitive sensors, these transmitters are suitable for both Gauge Pressure (GP) and Absolute Pressure (AP) applications.
They offer high reliability, long-term stability, and seamless integration with control systems via HART protocol.

Technical Specifications Electrical

• Output Signal: 4–20 mA with superimposed HART digital communication

• System: 2-Wire

• Supply Voltage: 12.5–45 V DC

• Signal Range: 3.9 mA to 20.8 mA

• Electrical Protection: Over-voltage & short-circuit protection

• Insulation Resistance: >100 MΩ at 100 VDC

• Reverse Polarity Protection: Available

Measurement

• Measuring Range: Refer to pressure range table

• Sensor Type: Piezo Resistive & Capacitive

• Application: Gauge Pressure (GP) / Absolute Pressure (AP)

Temperature Limits

• Ambient Temperature: –20°C to +70°C

• Storage Temperature: –40°C to +85°C

• Process Temperature: –20°C to +125°C

Environmental

• Ingress Protection: IP66

• EMC Compliance:

  • IEC 61000-4-3 (Radiated Susceptibility)

  • IEC 61000-4-6 (Conducted Susceptibility)