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Trafag Sensors & Controls Pressostat, 987/988

987/988 Pressostat

Brand: Trafag Sensors & Controls
Add Product to My Catalog

Swiss based trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature.
Features
  • Steel or bronze bellows 
  • Blade connector (IEC) 2.8 x 0.5 mm 
  • Compact design 
  • Adjustment in factory 

1 - 12 of 240 Part Numbers
987 42 72 00
987 42 72 00
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Without Leakage
987 42 72 00 05
987 42 72 00 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
987 42 72 00 09
987 42 72 00 09
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Without Leakage
987 42 72 00 09 05
987 42 72 00 09 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
987 42 72 947 00
987 42 72 947 00
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), without Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Without Leakage
987 42 72 947 00 05
987 42 72 947 00 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), without Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
987 42 72 947 00 09
987 42 72 947 00 09
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), without Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Without Leakage
987 42 72 947 00 09 05
987 42 72 947 00 09 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), without Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
987 42 72 949 00
987 42 72 949 00
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), with Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Without Leakage
987 42 72 949 00 05
987 42 72 949 00 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), with Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Without Electrical Connection
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
987 42 72 949 00 09
987 42 72 949 00 09
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), with Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Without Leakage
987 42 72 949 00 09 05
987 42 72 949 00 09 05
  • Custom Build Code - 1 Floating Changeover Contact (SPDT)
  • Microswitch - Standard Contacts, Switching Differential Not Adjustable
  • Pressure Range - bar: -0.3 to 1.3
  • Sensor / Pressure Connection Material - Bronze (CuSn6) for Bellows / Brass (CuZn39Pb3), with Groove for O-Ring
  • Fixing - Direct on Sensor or Housing
  • Electrical Connection - Blade Receptacle (2.8 x 0.5 mm) & Insulator for Flat Plugs
  • Leakage - Routine Test of Leakage Rate < 10?7 mbar L/s
1 - 12 of 240 Part Numbers

View_Details

Specifications

Brand

Adjustment

  • 10 to 90 % of Full Scale

Ambient Temperature Range

  • -25° to 70° C (-13° to 158° F)

Applications

  • Machine Tools
  • Medium Voltage Switchgear

Approvals & Certifications

  • CE

Approvals & Certifications

  • EN 60730-1, EN 60730-2-6

BSP Connection

  • G 1/4” Male

Burst Pressure

  • psi: 145 to 217.6 (kPa: 1,000 to 1,500, bar: 10 to 15)

Electrical Connectors

  • Blade Connector (0.75 to 1 mm²)

Electrical Rating

  • 0.25 (0.1) A at 220 Vdc for Silver Contacts
  • 0.5 (0.2) A at 110 Vdc for Silver Contacts
  • 1 (0.5) A at 60 Vdc for Silver Contacts
  • 3 (2) A at 24 Vdc for Silver Contacts
  • 6 (6) A at 12 Vdc for Silver Contacts
  • 6 A at 250 Vac for Silver Contacts

Enclosure, Body Material

  • Polybutylene Terephthalate (PBT) (Crastin)

Environmental Protection

  • IP40

Humidity

  • Maximum

Insulation Resistance

  • > 2 megaohms, 500 Vdc

Mounting Position

  • Any Orientation

Overpressure & Static Pressure Limits

  • psi: -14.5 to 217.6 (kPa: -100 to 1,500, bar: -1 to 15) for Overpressure

Pressure Range

  • bar: -0.3 to 10
  • kPa: -30 to 1,000
  • psi: -4.35 to 145

Principle of Operation

  • Measuring Principle: Bellow

Process Connection Material

  • Pressure Connection: AISI 304 Stainless Steel, 1.4301
  • Pressure Connection: Brass (CuZn39Pb3)

Process Temperature

  • -25° to 80° C (-13° to 176° F)

Repeatability

  • ± 1 % of Full Scale - Typical

Sensor, Probe Material

  • Bellows: 304 Stainless Steel (AISI) for Sensor Material
  • Bellows: Bronze (CuSn6) for Sensor Material

Set Point - Decreasing

  • bar: -0.3 to 10
  • kPa: -30 to 1,000
  • psi: -4.35 to 145

Set Point - Increasing

  • bar: -0.3 to 10
  • kPa: -30 to 1,000
  • psi: -4.35 to 145

Shock

  • 50 G, 11 milliseconds

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Switch Type

  • SPDT

Torque

  • Mounting Torque: Max.

Vibration

  • 2 G (5 to 100 Hz)

Voltage

  • Dielectric Strength: 2 kV

Documentation

Data Sheets

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