Trần Văn Ý | Mr. |
I Sales Engineer I
========================
I cellphone I +84 989 199 111
+84 916 152 811
I email I vany@pitesco.com
vany.pitesco@gmail.com
I Sales Engineer I
========================
I cellphone I +84 989 199 111
+84 916 152 811
I email I vany@pitesco.com
vany.pitesco@gmail.com
VisGuard In-situ
Visibility Monitor
- Easy to service, high sensitivity, stability and accuracy
- Easy zero-point checking, even when visibility is poor
- A special sample flow concept entirely eliminates the danger of flow cell contamination
- Easy calibration check with checking rod, even at high dust levels
- Continuous monitoring of visibility using scattered light principle
- Dual-beam method
- Operation via local control unit or central multi-channel control unit
- Installation in tunnel tube or niche
- Optional sample heater: Choice of measurement with/without fog compensation
The VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) respectively using extractive sampling away from the cavity. An optional sample heater eliminates the influence of any mist effects.
VisGuard In-situ
Visibility Monitor
Nominal range
|
0 .. 100 PLA (Polystyrol-Latex-Aerosols)
0 .. 3 E/m |
Sampletaking
|
In-situ
|
Scale ranges
|
0 .. 15 · 10-3 E/m
|
Protection
|
IP65
|
Sample temperature
|
-20 .. +50 °C
|
Sample pressure
|
max. ±3'000 Pa (±30 mbar)
|
Interfaces
|
RS232 or Profibus DP
0/4 .. 20 mA relay contacts Control unit |
Ambient environment
|
Temperature range -20 .. +50°C
0 .. 100% r.h. |
Maximum service altitude
|
3,000 m above sea level
|
Power supply
|
85 .. 264 V / 47 .. 440 Hz
|
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