PT4 Series – Ceramic Cell Pressure Transmitters

Low Pressure Industrial Degree (Semi-Flushing) Series

Features:

  • Accuracy 0.5%, 1.0%
  • Temperature Compensated
  • Front Ceramic Diaphragm to minimize the dead space
  • Low Pressure Range from 1000 mmH2O to 6000 mmH2O
  • Zero and Span Adjustments (4-20mA)
  • False System Shutdown Prevention

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Description

HAWK PT4 series flush front diaphragm pressure transmitters and transducers have been designed to measure low pressure from 1000 mmH2O (100mbar) to 6000 mmH2O (600mbar) of viscous and contaminated fluids at high quality performance and precision accuracy requirement. The semi-flush front ceramic diaphragm design minimizes the dead space in order to avoid the highly viscous medium to clog the pressure sensing element.
It’s good ideal for the system to require flushing to prevent contamination when changing pressure medium. Each transmitter is inspected and calibrated to ensure it’s 100% quality.

Typical Applications

  • Pharmaceutical Industry
  • Wastewater and Sewage Treatment
  • Chemical Industries
  • Tank Level Measurement
  • Continuous Fluid Level Measurement

Specifications

PERFORMANCE
Accuracy at 25oC (Linearity, Hysteresis, Repeatability):
< ±0.25% F.S…..PT23.
< ±0.5% F.S…..PT24.
< ±1.0% F.S….Typical (PT45).
< ±2.0% F.S….Max (PT45).

Stability at 25oC:
< ±0.4% F.S.

Thermal Zero Shift:
< ±0.04% F.S./ oC (0/+70oC).

Thermal Span Shift:
< ±0.04% F.S./ oC (-40/+135oC).

ENVIRONMENTAL
Operating Temperature Range:
-25…..85 oC.

Storage Temperature Range:
-25…..100 oC.

Compensated Range:
-40…..135 oC.

Weatherproof Rating (Enclosure):
IP65, NEMA4/4X or better.

PHYSICAL DATA
Housing (Case):
304 Stainless Steel (316SS Option).

Fitting Materials:
304SS, 316SS, 316LSS, Monel or Hast’C.

Ceramic Sensor:
Aluminum Oxide Al2O3 (96%).

Seal Material:
FPM (Viton), NBR (Buna Rubber), MVQ (Silicone Rubber), CR (Neoprene), EPDM (Ethylene Propylene), FFKM.

Note: The wetted parts including fitting, ceramic sensor and sealing will be contacted with the media directly, please choose the appropriate material complied to your application.

Process Fitting (Connection):
G 1 1/2(1 1/2″PF) – Standard, 1 1/2″ NPT, Others on request.

Electrical Connector:
Terminal Box to DIN43650 (IP 65),
Shutter Type Cable (IP 65),
Flexible Cable (IP 65),
Female 1/2″ DIN (IP 65),
M12 Cable (IP 65).

ELECTRICAL DATA
Voltage Output
Output Signal (Voltage, 3 Wires):
0-10V, 0-5V, 0.5-4.5V, 1-5V, 1-6V.

Power Requirement (Voltage):
15-32VDC (Normal 24VDC, Voltage).

Load Resistance (Voltage):
>10K Ohms.

Current Output
Output Signal (Current, 2 Wires):
4-20 mA.

Power Requirement (Current):
10-32VDC (Normal 24VDC, Current).

Load Resistance (Current):
≦(Supply Voltage -10V) / (0.02A)Ohms.

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