Vacuum Switches, Sensors, Transducers & Gauges


  • Case Brass: (on request Stainless Steel )
  • Electric contacts: Silver AgNi, on request gold plated
  • Electrical connection: N.O. (White ) N.C. (Brown )
  • Max switch voltage: 48V ac / dc
  • Max switch current: 0,5A
  • Max fluid temperature: 80°-120°C (depending on diaphragm)
  • Max Overpressure limit: 15 bar
  • Max Working pressure: 10 bar
  • Weight ~ 70 gr
  • Ranges up to 1000 bar
  • Compound and Vacuum Options
  • Ø 100 or 150mm Case Options
  • Electrical Switch Contacts
  • Surface, inserted and Inductive Options
  • 1/2″ BSP Bottom Entry
  • Choice of One to Two Contacts
  • TDH31 Series Compact OEM Pressure Transmitters & Transducers 4-20mA / 0 -10V (Other outputs available)
  • Ranges from -1 to 6 bar
  • 1% accuracy
  • 8 – 28 Vdc Supply Voltage
  • Operating Temperatures -20°C to 80°C
  • 316L Stainless Steel Element
  • 1/4″ BSP Parallel Thread Standard (Others Available)
  • Ranges up to 2800 bar
  • Compound and Vacuum Options
  • Wide Range of Measurement Units
  • Brass or Stainless Body
  • Dry or Glycerine Filled
  • Choice of 1/4″ BSP, 1/4″ NPT, M20x1.5 Thread
  • Battery Operated (Mains Option)
  • ATEX Options
  • Working pressure up to 12 bar
  • SPDT or DPDT switching
  • Reliable, accurate micro switches
  • 1/4” BSP thread (others available)
  • 316 stainless steel wetted parts
  • ATEX Exd IIC T6 level of certification
  • Vacuum Switch ≤ 250V SPDT CO Contacts
  • -200 / - 900 mbar adjustment ranges
  • Over-pressures up to 15 bar
  • Max working pressures up to 10 bar
  • 1/4” BSP thread (others available)
  • NBR seal or CR seal
  • Brass body
  • Vacuum Switch ≤ 250V
  • NO or NC Contacts
  • -200 / -900 mbar adjustment range
  • Over-pressures up to 35 bar
  • Max working pressures up to 25 bar
  • 1/4” BSP thread (others available)
  • NBR seal or CR seal
  • ATEX option available
  • Case Brass: (on request Stainless Steel)
  • Electric contacts: Silver AgNi, on request gold plated
  • Electrical connection: N.O. (White ) N.C. (Brown )
  • Max switch voltage: 48V ac / dc
  • Max switch current: 0,5A
  • Max fluid temperature: 80°-120°C (depending on diaphragm)
  • Max Overpressure limit: 35 bar
  • Max Working pressure: 25 bars
  • Protection degree IP00 with cover 3015010 IP54
  • Weight ~ 90 gr
  • Compound and Vacuum Options
  • Top, Back, Bottom Entry Options
  • Ø 40,50, 63, 100 or 150mm Case Options
  • Brass Internals or Stainless Steel
  • Brass or Stainless Body
  • Dry or Glycerine Filled
  • Choice of 1/8″, 1/4″, 1/8″ BSP Thread
  • All Stainless Steel Wetted Parts for Maximum Media Capability
  • Industrial Grade Pressure Transducer
  • Overpressure protection to 3x
  • Vac to 285 psi or 3 to 10,000 psi Range
  • 9.4 Mini Din and Packard Electrical Connectors
  • Better 0.4% Accuracy
  • Custom Outputs and Ranges Available
  • CE, RoHS, REACH, and Prop 65 Compliant
  • All Stainless Steel Wetted Parts for Maximum Media Compatibility
  • Industrial Grade Pressure Transducer
  • Overpressure protection to 3x
  • Vac to 285 psi or 3 to 10,000 psi Range
  • 9.4 Mini Din and Packard Electrical Connectors
  • 1% Accuracy
  • Custom Outputs and Ranges Available
  • CE, RoHS, REACH, and Prop 65 Compliant
  • Total Digital Design Pressure Transducer Voltage and Current outputs
  • Custom pressure ranges and outputs available
  • Spike Monitoring Technology
  • 24V Digital Output
  • Low Current Consumption
  • Flameproof ATEX Exd Switch with an Adjustable Change Over Contacts (SPDT) or (DPDT)
  • For Adjustable Switching Pressure Ranges Up to 400 bar.
  • 1/4″ BSP Female Thread (Others Available)
  • Stainless Steel Diaphragm (Others Available)
  • Range -1 to +3.6 Bar
  • Maximum working pressures up to 12 bar


  • Temperature range: Ambient temperature from –20°C to +85°C
  • Diaphragm material: NBR, Silicone, FKM (Viton® ), EPDM.