VD850 Compact Vacuum Meter ● Piezo/Pirani ● Abs. 1200 – 5e-5 mbar / Rel. -1060 … +340 mbar

 747.00 797.00 excl. VAT and transport costs

The digital VD850 vacuum meter with Piezo/Pirani combination sensor, data logger and USB interface reads pressure over 7 decades in the rough and fine vacuum range.

Overview VD800 series:

  • Big graphic display
  • Intuitive menu-driven handling
  • Direct graphical visualization of pressure curves
  • Integrated data logger for saving multiple measurement series with RTC data
  • Storage of minimum and maximum pressures achieved during measurement
  • Automatic switch-off or continuous operation
  • Optical and acoustical alarm when reaching a predefined threshold
  • Charging per standard USB-C cable
  • Quick and easy data-transfer to PC, tablet, or smartphone via USB-C or wireless via Bluetooth® LE (optional)
  • Pressure units: mbar, Torr, hPa
  • Selectable menu language
  • Adjustable logging rate of 20 ms to 60 s for fast processes
  • VacuGraphTM-Software: To read-out data logger, and to visualize, analyze, and save measurements

Overview VD850 vacuum meter with Piezo/Pirani:

  • Wide measuring range of combined piezo/Pirani sensor
  • Measurement of absolute and relative pressure
  • Pirani sensor with durable, elastic helix filament
  • Integrated metal screen for protection against contamination such as oil and solvent vapors
  • High resolution and precision in whole measuring range, ideal e. g. for the maintenance of vacuum pumps and systems
  • Stable measuring values due to optimized temperature compensation
  • Excellent long-term stability
  • Leak-rate calculation via rate of rise measurement
  • Adjustable gas type correction factor
  • Long battery performance of min. 48 hours
  • Calibrated exchange sensor heads for quick and easy replacement by trained personnel

If you have any questions about the VD850 vacuum meter with Piezo/Pirani sensor or need assistance, please do not hesitate to contact us.

→ Go to all VD800 vacuum meters | → Go to accessories for all VD800 compact vacuum meters

Weight 1.1 kg
Dimensions 25 × 16 × 9 cm
Measurement principle

Gas dependency

Depending on gas type (Pirani), independent of gas type (Piezo)

Measurement range mbar

,

Measurement range Torr

Absolute Pressure: 900 – 5.0e-5 Torr, Relative Pressure: -795 … +255 Torr

max. overload

10 bar abs.

Accuracy

Absolute Pressure: 1200 … 40 mbar: 0.3% full scale | 40 … 1.0e-3 mbar: 10% from reading, Relative pressure: 0,25 % f. span

Repeatability

1200 … 40 mbar: 0,1% full scale| 40 … 1,0e-2 mbar: 2% from reading

Resolution

1200 … 1000 mbar: 1 mbar | 1000 … 2.0 mbar: 0.1 mbar | 2.0 … 1.0e-2 mbar: 3 digit |1,0e-2 … 1.0e-4 mbar: 2 digit |1.0e-4 … 5e-5 mbar: 1 digit

Logging rate

20 ms … 60 s

Materials in contact with vacuum

Stainless steel 1.4307, tungsten, nickel, silicon oxide, glass, SnAg solder, polyimide, epoxide

Environment

Interior / degree of contamination max. PD 2 / Rel. humidity max 80% up to 30 °C, max. 50% up to 40 °C / non-condensing

Operating temperature

+5…+50 °C

Storage temperature

-20…+60 °C

Power Supply

5 VDC via USB-C connector

Operating time

Internal rechargeable Li battery: min. 48 h

Serial interface

Vacuum connection

DN 16 ISO-KF

Display

Dimensions

105 x 70 x 46.4 mm

Protection class

Weight

250 g

VD800 - product brochure
VacuGraph software (free Lite-Version)
Data sheets, manuals, 3D models and more

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