PT3 Series – Ceramic Cell Pressure Transmitters

Low Pressure Application Series

Features:

  • Accuracy 0.5%, 1.0%
  • Throttle Screw in Fitting
  • Temperature Compensated
  • Built in Amplifier
  • Low Pressure Range from 250 mmH2O to 6000 mmH2O
  • Zero and Span Adjustments (4-20mA)
  • False System Shutdown Prevention

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Description

HAWK PT3 series ceramic cell pressure transmitters and transducers are designed to measure low pressure from 100mbar to 600mbar for many industrial applications or when considering the performance, reliability and cost.
The ceramic cell and metallic wetted parts can be compatible with majority of aggressive process fluids. The output signal of the sensing bridge is converted to be a standardized current or voltage signal through surface mount technology circuit board. This high level signal output with very low noise system is packaged in a rugged stainless steel housing to resist the harsh and extreme environment conditions.
Each transmitter is inspected and calibrated to ensure it’s 100% quality.

Typical Applications

  • Industrial OEM Engineering
  • Hydraulic monitoring systems
  • Industrial engines
  • Pneumatic systems
  • Compressor controls
  • Pump applications
  • Vehicle brake systems monitoring
  • Refrigeration and HVAC systems
  • Water Sprinkler Control
  • Leaking Detection

Specifications

PERFORMANCE
Accuracy at 25oC (Linearity, Hysteresis, Repeatability):
< ±0.5% F.S….Typical (PT34).
< ±1.5% F.S….Max (PT34).
< ±1.0% F.S….Typical (PT35).
< ±2.0% F.S….Max (PT35).

Stability at 25oC:
< ±0.4% F.S.

Thermal Zero Shift:
< ±0.02% 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):
1/2″NPT, 1/4″NPT, G1/2, G1/4, R1/2, R1/4, 7/16-20UNF, M20*1.5, M14*1.0, 9/16-18UNF, Others on request.

Electrical Connector:
Terminal Box to DIN43650 A-PG9 (IP 65),
Shutter Type Cable (IP 65),
Flexible Cable (IP 65),
Terminal Box to DIN43650 A-G ½ (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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