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HomeVaccum Gauges, Sensors & MetersProcess Industry VSH8xD – Vacuum Furnaces
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thyracont-vacuum-instruments

VSH8xD – Vacuum Furnaces

Vacuum Transducer ● RS485 ● Pirani/ Hot Cathode ● 1000 to 5e-10 mbar

The digital combination vacuum transducer VSH (Pirani/hot cathode) measures absolute pressure from atmospheric pressure to ultrahigh vacuum.Brazing, sintering or annealing of metals require an atmosphere free of oxygen. Therefore such processes are carried out under vacuum, partially using inert gas.

Challenge

The vacuum level must be monitored and kept constantly low during the process in order to avoid oxidation of the products. Our client had to measure the pressure in his high vacuum tube furnace near the gas inlet as well as at the vacuum port with high accuracy.

  • Wide range combination sensor Pirani / Bayard Alpert
  • Bayard Alpert with blowing resistant, yttrium coated double filament
  • Longterm tests confirm excellent life time: up to 100,000 shock venting cycles

Solution

Two VSH transducers have the required wide measuring range and detect the pressure at the furnaces gas inlet and vacuum port with excellent precision. They are linked to the system PLC by their serial RS485 interfaces, so that both pressure levels can be directly visualized in a diagram. This allows to easily monitoring the pressure gradient inside the furnace tube.

Benefits at a Glance

  • Wide range combination sensor Pirani / Bayard Alpert
  • Bayard Alpert with blowing resistant, yttrium coated double filament
  • Longterm tests confirm excellent life time: up to 100,000 shock venting cycles

Thyracont Vacuum Instruments
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  • Specifications
Specifications
Weight 1.1 kg
Dimensions 25 x 16 x 9 cm
Gas dependency depending on gas type
Measurement range mbar 1000 – 5e-10 mbar
Measurement range Torr 750 – 5.0e-10 Torr
max. overload 4 bar abs.
Accuracy 1000 … 10 mbar: ca. 30 % f. r. | 10 … 1e-8 mbar: 10 % f. r.
Repeatability 10 – 1e-2 mbar: 2 % f. r. | 1e-2 – 1e-8 mbar: 5% f. r.
Materials in contact with vacuum Stainl. steel 1.4307, tungsten, nickel, glass, platinum, iridium, yttria oxide
Filaments / anodes Yttria coated iridium
Emission current 9 μA, 100 μA, 1.0 mA, 2,0 mA
Degas method Ohmic heating of the anode
Response time 50 ms (switching of emission current
Operating temperature +5…+60 °C
Storage temperature -40…+65 °C
Bake out temperature Max. 180°C at the flange (voltage supply switched-off)
Voltage supply 20 – 30 VDC
Power consumption Max. 8 W, add. 1 W f. Degas, 0,8 W f. Relais/LCD, add. 1,8 W f. Profinet
Output Singal SL 0 – 10 VDC, min. 10 kΩ, measuring range 1,219 – 8,6 VDC, log. except EtherCAT, Profinet
Serial interface RS485: 9.6 kBd to 115 kBd, 8 databit, 1 stopbit, no parity
Switching output 2x relay, pot. free, 50 VAC / 2 Aor 30 VDC / 2 A, max. 60 VA, except EtherCAT and Profinet
Electrical connection SubD 15pole, male
Article Number (choice of vacuum connection): DN 25 ISO-KF (VSH87), DN 40 CF-F (VSH89), DN 40 ISO-KF (VSH88)
Dimensions 141 x 69 x 48 mm (VSH88)
Protection class IP40, IP54 mit connector XB15SL05
Weight 475 g (VSH88)
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Thyracont Vacuum Instruments
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Intech Automazione S.r.l., Italy
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Suite No. 10/1, 10th Floor, Sharjah Trade Centre, Shahrah-e-Liaquat, Karachi-74000, Pakistan
Lan No.: (+9221) 38889848
Cell: (+92) 324-2835650 / 300-2206315
Email: sales@anaequipments.com
Branch Office:
F-14, 1st Floor, Sohail Center, Main Dil Muhammad Road, Brandreth Road, Lahore
Cell: (+92) 315-0050228
Brief Profile
ANA Equipments is an indenting and trading company, whose aim is to provide state-of-the-art instruments/machines. We have been working hard to ensure that our clients do not face any issues with the products that they purchase from us.
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    • Vaccum Gauges, Sensors & Meters
      • Process Industry
        • VSP6xMV – Carbonated Beverages
        • VD84 – Evacuation & Charging of Cooling Systems
        • VD6S2230 with VSP63MA4 – Short Path Distillation Systems
        • VSH8xD – Vacuum Furnaces
        • VD84 – Vacuum Insulation of Liquid Gas Tanks
        • VD81 – Vacuum Packaging
      • Mirror Coating
        • VSM7xD – Coating of Mirrors
      • Semi Conductors & Solar
      • VSC43MA4 – Wafer Bonding
      • Analytical & R&B
        • VSP63MV – Freeze Drying
      • Accessories
        • Vacuum Switches
        • Controller
      • VD8 Compact Vacuum Meter with Data Logger
      • Analog line Vacuum Transducers
      • Smartline Digital Vacuum Transducers
    • Ultra Sonic Instruments (NDT)
      • Thickness Gauges (Metal)
        • A1207 PenGauges
        • A1207D Level Gauge (Special Application)
        • A1208
        • A1209
        • A1210
        • A1270
      • Flaw Detectors (Metal)
        • A1211 MINI
        • A1212 MASTER
        • A1214 EXPERT
        • A1550 INTROVISOR
        • A1525 SOLO
      • Concrete Testing
        • A1410 PULSAR
        • A1040 MIRA
        • A1020 MIRA LITE
        • A1220 MONOLITH 3D
        • 1401UK SURFER
  • Scanning Systems
  • About Us
  • Our Brands
    • Thyracont Vaccum Gauges, Germany
    • Acoustic Control Systems, Germany
    • PCE Instruments, Germany
    • Intech Automazione S.r.l, Italy
    • Teledyne Analytical Instruments, USA
    • Utest, Turkey
  • General Inquiry

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