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VD8TC

VD8TC - Vacuum Tester / Data Logger for Thermocouple Sensors

25 mbar to 1.0 x 10-3 mbar (9999 mTorr to 1 mTorr)

The VD8TC compact vacuum tester is used for measuring total pressure in combination with the following types of thermocouple sensors

Teledyne Hastings DV4,
Teledyne Hastings DV6 or
Televac 2A.

Benefits
  • Automatic detection of the sensor type (pat. pend.)
  • Steady measurements within a few seconds
  • ADiscs used in conjunction with the VD8TC give each thermocouple sensor a unique electronic identity. For the first time, the user has a way to automatically record and maintain measurement data (pat. pend.)
  • Storage of measurement parameters by push of a button: sensor ID, date, time and pressure values
  • Long battery life
  • USB interface for data transfer to a PC
  • A user defined configuration can be done at the instrument or when using a PC operating VacuGraphTM software, connected to the VD8TC with a USB cable
  • The VD8TC includes a rugged protective carry case and battery
Typical Applications
  • Vacuum jacketed cryogenic vessels and delivery lines
  • Air-conditioning and refrigeration system manufacture and service
  • Monitoring house vacuum systems and lines
  • In-process testing during vacuum system manufacture
  • Vacuum pump repair and service
  • Leak testing

Article
Number
Description    
VD8TC Digital Vacuum Tester, Datalogger[…]
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Measurement Principle Heat conduction thermocouple (gas type dependent)
Measuring Range 25 bis 1.0 x 10-3 mbar (9999 bis 1 mTorr)
Resolution 2 digits
Measuring Rate 1.0 s
Operating Temperature +5...+50°C
Storage Temperature -20...+60°C
Power Supply 9V battery or 15VDC external
Electrical Connection Mini-jack 2,5mm for plug-in power supply
Power Consumption Depending on sensor type
max. 450mW with 15V voltage supply
Operation Time Depending on sensor type
900 to 9000 measurements with 6LR61 Alkaline battery
Internal Memory Max. 1000 data sets
Serial Interface Mini-USB, Type B, 5pin, female,
Virtual Com Port protocol
Display LCD 12mm
Protection Class IP40
Weight Approx. 200g (incl. battery)


VD8tc_dimensions


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