TESTO REXS, Руководство пользователя

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8 Appendix
36
8 Appendix
8.1. Specification, Technical Data
Aerosol Soot nanoparticles generated in combustion process
Particle mass
output Approx. 1.5 g/h at 90 nm particle diameter
Particle
number
concentration 10
7
- 10
8
particles/cm
3
Particle size Several monomodal distributions with mode diameter of approx. 30 nm to
120 nm
Particle size
distribution Monomodal lognormal, with geometric standard deviation approx. 1.5 to
1.7 for particle size between 30 nm and 60 nm;
Monomodal, geometric standard deviation approx. 1.8 to 1.9 for particle
size between 60 nm and 120 nm.
Test aerosol
flow output 300 - 700 l
N
/min at different particle diameters, approx. 150 l
N
/min in
standby mode
Back pressure Up to 500 mbar above atmospheric pressure
Gas Supply
Specifications
- C
3
H
8
(propane), purity 99,95 % (grade 35), up to 2 l
N
/min at 5 bar
- N
2
(nitrogen), purity 99,999 % (grade 50), up to 2 l
N
/min at 5 bar
- Compressed air, dry (< 2% relative humidity at 23 °C, dew point
approxi- mately -28 °C), clean (5 µm filtered) and oil free air, up to 1000
l
N
/min at 7 bar
Gas interfaces - Orange: C
3
H
8
: encoded quick coupling, orange with tube and excess
flow valve. 6 mm tube fitting at supply end.
- Black: N
2
: encoded quick coupling, orange with tube and excess flow
valve. 6 mm tube fitting at supply end.
- Compressed air: Legris ISO B8, safety quick coupling plug at supply
end.
Power Supply
100-230 VAC (±10V of nominal voltage) / 50-60 Hz, max. 600 VA
Aerosol
interface
DN 50 ISO KF small flange, 50 mm nominal width.
Exhaust
suction
Min. 1000 l
N
/min, with backup HEPA filter
Safety features Optical flame detection sensor in the burner.
Pressure sensor and pressure switch stop testo REXS if the pressure
inside the burner exceeds 500 mbar.
Gas detector inside testo REXS initiates gas alarm and emergency stop
if C
3
H
8
concentration exceeds 0.1% / 1.0 %.
Leak protective valves in all gas lines.
Microcontroller watchdog timer supervises correct function and shuts
down testo REXS if program fails.
Local operation 2 buttons, dot matrix display, LED indicators