The ability to discriminate between VOC’s which are present
The DV3000 gas analyser from Duvas Technologies is able to qualify and quantify up to 14 gases, including BTEX and NOx, simultaneously to low ppb levels. Every species has its own unique absorption spectrum, like a fingerprint, making it possible to identify each individual species present at its concentration and the DV3000 uses complex algorithms to de-convolute these spectra.
DV3000 Specification
Dimensions
840 x 290 x 280mm.
Function
Gas detector/analyser with parts per billion lower detection limit. BTEX or air quality gases.
Optical system
Multi-pass UV optical spectrometer.
Construction
High density polyurethane moulded case.
Gas cell stainless steel and aluminium.
HEPA Filters in gas inlet and outlet.
Weight 18kg without batteries /25kg with batteries.
Optical Performance
Low light warning if source output falls.
Response time
Shortest response time 1 second. Unit can be set for greater response time to optimise detection sensitivity.
Power supply options
24V DC at 4 A maximum. 96W maximum.
Input voltage range 24V to 26V DC.
High performance Lithium battery packs option.
Unit automatically disconnects battery when
external power is connected.
Communications
RS232 at 115.2 kbaud.
RS485 via external converter.
Functional testing
Zeroing via nitrogen cylinder (cylinder is not included with the instrument).
Flow adaptor for gas verification.
Ambient temp range
10oC – 30oC.
Relative humidity
95% Non-condensing.
Standards
Certified to IEC61010-1.
Ingress protection
IP65 on request.
RF radiation
Tested to EN55022 class A.
Key detectable gases
Benzene
Toluene
Ethylbenzene
M-Xylene
O-Xylene
P-Xylene
Ozone
Nitric Oxide
Sulphur Dioxide
Nitrogen Dioxide
Styrene
Ammonia
Formaldehyde
1,3-butadiene
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