Performance Specifications - Thermo Scientific VH-D20 Operating Manual

9 • Specifications
9.1

Performance Specifications

Type
Detection type
Nebulization
Pump flow rate
Evaporation temperature
Data collection rate
Filter response time
Digital filter constants
Dynamic range
Gas pressure control
Supply gas
Gas supply pressure
USB
System Interlink
Analog output
Full-scale analog output
range
Analog signal output
Control
Materials in the flow path
Solvent and additive
information
Page 170
The detector performance is specified as follows:
Specification
VH-D20
Charged aerosol detection
FocusJet, concentric
0.01 – 2.0 mL/min
Adjustable range: ambient +5 to
+100°C
Adjustable, 2.0 Hz – 200 Hz
Digital filter, selectable in numerical sequence (1-2-5 increments)
Selectable between 0.1, 0.2, 0.5, 1.0, 2.0, 3.6, 5.0 10.0 seconds
Up to 4 orders of magnitude
Electronically controlled
Compressed air or nitrogen
482 - 551 kPa (4.8 - 5.5 bar, 70 - 80 psi)
1 USB port (USB 2.0, "B" type connector)
1 USB hub with 3 ports (USB 2.0, "A" type connectors)
2 system interlink ports (RJ45-8 connectors)
Installable option; 1 BNC-type analog output connector
1 pA to 500 pA in 1-2-5 sequence
0 – 1 V DC
Chromeleon 7
The detector can be operated also with other data systems. For details, contact
the Thermo Fisher Scientific sales organization.
Keypad with 2 buttons for performing certain functions directly from the
detector
Stainless steel (type 316), SimRiz™
NOTICE For information about the chemical resistance of materials refer to the
technical literature.
See Solvent and Additive Information
VF-D20
0.2 – 2.0 mL/min
Selectable temperatures: +35°C,
+50°C, +70°C
Adjustable, 2.0 Hz – 100 Hz
(} page 27).
Charged Aerosol Detectors (VH-D20, VF-D20)
Operating Manual