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HomeVacuum Instruments (Thyracont)Process Industry VD84 – Evacuation & Charging of Cooling Systems
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VD6S2230 with VSP63MA4 - Short Path Distillation Systems

VD84 – Evacuation & Charging of Cooling Systems

Compact Vacuum Meter ● external Pirani ● 100 to 1e-3 mbar

The versatile VD84 digital Pirani vacuum meter with external, exchangeable sensor head (VSP841 or VSP842) reads absolute pressure in the fine vacuum range. It is equipped with USB interface and can be used as data logger.

Refrigerators, air conditioners and cooling machines operate according to a thermodynamic cycle process, in which heat is transferred from the cooling cabinet to a warmer surrounding.

Challenge

As transport medium fort he heat a refrigerant is used inside the closed cycle cooling system. Before this cooling system is filled or when it is to be refilled after maintenance work it first has to be completely evacuated to approx. 10-3 mbar, so that no rest of air or air humidity remains in the system. This would reduce the capability of the appliance and may even lead to serious damage of the cooling system. Further care must be taken thet there are no leaks in the system. Therefore the vacuum level which is reached after evacuation has to be checked accurately

Solution

Compact vacuum meters of type VD84/2 with external Pirani sensor measure the vacuum inside the cooling system with appropriate accuracy and resolution. The handy gauges are easy to operate and are optimal for use in the service and maintenance. Via an USB interface the measurements can be stored and analyzed on a PC.

Benefits at a Glance

  • Pirani sensor with durable, elastic helix filament
  • External, detachable sensor with stainless steel small flange DN 16
    ISO-KF or 1/8″ NPT male thread, connected by spiral cable (1.20 m)
  • Integrated metal facing protects the sensor against contamination like oil vapours or solvent vapours

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  • Specifications
Specifications
Weight 1.1 kg
Dimensions 25 x 16 x 9 cm
Measurement principle Heat conduction Pirani
Gas dependency depending on gas type
Measurement range mbar 100 – 1e-3 mbar
Measurement range Torr 75 – 1e-3 Torr
max. overload 4 bar abs.
Accuracy 100 – 20 mbar:
Resolution 100 – 10 mbar: 1 mbar |
Measurement rate 1.0 s
Logging rate 1 … 6000 s
Materials in contact with vacuum Stainless steel 1.4307, tungsten, nickel, glass
Operating temperature +5…+50 °C
Storage temperature -20…+60 °C
Voltage supply 9 V battery or 12…15 VDC external
Power consumption Approx. 110 mW (clocked)
Operating time Li-battery:
Serial interface Mini-USB, Type B, 5pin, female, Virtual Com Port protocol
Electrical connection Mini-jack 2.5 mm for plug-in power supply
Article Number (choice of vacuum connection): 1/8″ NPT male thread (VD84/2), DN 16 ISO-KF (VD84/1)
Display LCD 12 mm
Dimensions 60 x 120 x 25 mm
Protection class IP40
Weight 200 g (battery included)
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    • Acoustic Control Systems, Germany
    • Advion Interchim Scientific, USA
    • Brady Corporation, USA
    • FLUXANA – XRF Application Solutions, GmbH
    • Inorganic Ventures, USA
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  • Product News
  • General Inquiry
  • Brady Custom Safety Signs Online
  • Misc. in Stock
    • APG – Absolute Pressure Gauge
    • Edwards Rotary Vane Vacuum Seal Kit
    • SGE Manual Syringe, 250 uL
    • B Braun Injekt Disposable Syringe 10ml
    • HT20IoT Temp. & Humidity Data Logger
  • Label Printers/Readers (Brady)
    • Portable Label Printers & Makers
    • Sign and Label Printers
    • Industrial Label Printers
    • Design Custom Safety Signs Online
    • Barcode / RFID Readers
    • Lockout Tagout Devices & Kits
  • Vaccum Instruments (Thyracont)
    • Process Industry
      • VSP6xMV – Carbonated Beverages
        • VD84 – Evacuation & Charging of Cooling Systems
      • VD85 – Maintenance of Vacuum Pumps
      • 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
    • Analytical & R&B
      • VSP63MV – Freeze Drying
    • VSC43MA4 – Wafer Bonding
    • Accessories
      • Vacuum Switches
      • Controller
    • VD800 Compact Vacuum Meters
    • VD8 Compact Vacuum Meter with Data Logger
    • Analog line Vacuum Transducers
    • Smartline Digital Vacuum Transducers
  • Gas Monitoring (Opsis)
    • Air Quality Monitors & Other AQM Products
    • Continuous Emissions Monitoring (CEM)
    • Monitoring Methods
  • Ultra Sonic Instruments (ACS)
    • Thickness Gauges
      • A1207 PENGAUGE
      • A1207D Level Gauge (Special Application)
      • A1208
      • A1209
      • A1210
      • A1270 EMAT
      • A1270 EMAT-HT
    • Flaw Detectors
      • A1211 MINI
      • A1212 MASTER
      • A1214 EXPERT
      • A1550 INTROVISOR
      • A1525 SOLO
      • A1610 Bondvisor (Special Application)
    • Concrete Testing
      • 1401UK SURFER
      • A1410 PULSAR
      • A1040 MIRA
      • A1020 MIRA LITE
      • A1220 MONOLITH 3D
    • Scanning Systems
      • A2075 SONET
      • A2051 SCAUT
      • A2072 INTROSCAN
  • Measuring Instruments (PCE)
    • Borescope
    • Brightness/Colorimeter
      • PCE-CMM 5
      • PCE-CSM 7
      • PCE-CMM 10
      • PCE-WSB 1
      • PCE-WNM 100
    • Dissolved Oxygen Meter
    • Handheld Digital Refractometer
    • Hygrometer/HVAC/Temp. Meter
    • Moisture/HVAC
      • Moisture/HVAC Meter PCE-DPM 3
      • Moisture/HVAC Meter PCE-DPM 10
    • Paint Gauge/Paint Tester
    • Particle Counter Dust Measuring
    • Ultrasonic Flow Meter PCE-TDS
    • Pressure Gauge
    • Ultrasonic Thickness Gauges
    • Roughness Tester (Paint/Surface)
    • Spectrophotometer
      • PCE-CMM 8
      • PCE-CSM 20
    • Torque Meter
      • PCE-CTT
  • Special Light Source (Mitorika)
    • D2 lamp (Deuterium lamp)
    • HCL (Hollow Cathode Lamp)
    • H2/He/Hg Lamps
  • XRF Application Solutions (Fluxana)
  • Sampler for Portable Inst. (Meffa)
  • Spectrophotometer Applications
    • SOLATION® ICP-MS (Advion)
    • AVANT™ (U) HPLC (Advion)
    • Compact Mass Spectro.. (Advion)
    • XRF Portable Handheld Analyzers
  • Standards/Reagents, Gas Analyzer
    • Inorganic Ventures
      • Conductivity Standards
      • Custom Standards
      • ICP & ICP-MS Standards
      • pH Buffer Standards
      • Water QC Standards
    • ASI Standards
      • Biodiesel Standards
      • Chlorine & Sulfur Standards
      • EPA Standards
      • Lead Standards in Gasoline & Isooctane
      • Lead Standards in Paint Coatings on Polyester Film
      • Lubricating Oil Standards For XRF, AA, ICP, AE
      • ROHS Standards
      • Sulfur Standards
    • Water, Oil / Gas Analyzers
      • Oxygen Analyzer
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    • Thermo Fisher Scientific
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