RANGE
5 ppb – 500 ppb
Minimum Detectable Concentration
3 ppt
PARAMETERS
NO / NOx
ECO PHYSICS CLD 780 TR
Tropospheric Research Gas Analyzer
The NO analyzer for scientific research of the free troposphere. Specially designed to rapidly detect very low NO/NOX concentrations in the range of parts per trillion, the CLD 780 TR is a tailor-made solution for aircraft and vertical flux measurements.
Performance |
|
Sensitivity |
50 ppt in 3 sec./10 ppt in 60 sec. |
Noise at zero (1σ) |
<25 ppt in 3 sec. |
Detection limit |
3 ppt |
Integration interval |
selectable: 0.1…999 |
Rise time (0 – 95%) |
<1 sec |
Zero drift |
non (pre chamber) |
Linearity deviation |
<1% full-scale |
Interferences |
HC’s, NH3, NOY non |
Operating Specifications |
|
Ranges |
5, 10, 50, 100, 500 ppb |
Outputs |
serial: RS232 analog :1V, 10V, at >500 kΩ / 4-20 mA at <600 Ω |
Temperature range |
5-50°C |
Humidity tolerance |
5 – 95% rel. humidity |
Gas flow |
sample: 3 l/min NPT O2: 330 ml/min NPT dry air : <50 ml/min NPT |
Reaction chamber pressure |
14 mbar |
PMT cooling temp. |
<-15°C |
Sample inlet temp. |
60°C regulated |
Operating voltage |
standard: 28 VDC ±6% optional: 24 VDC ±10% |
Power requirements |
200 W max. |
Delivery includes |
|
NO/NOX analyzer with all electrical cables, two silica-gel cartridges. |
|
Delivery excludes |
|
Vacuum pump, vacuum tubing and ozone destroyer |
|
Physical characteristics |
|
Dimensions (mm) |
casing: width: 440/height: 225/depth: 420 front: width: 483/height: 264/depth: 4 |
Weight (kg) |
35 |
Material |
standard: aluminum optional: aerospace aluminum |
Connections |
all connections situated on front panel 28 VDC 1x RS232 3x analog output Connection for PLC O2 inlet (1/4” Swagelok) dry air inlet (1/4” Swagelok) sample inlet (1/4” Swagelok) vacuum outlet (DN 16 ISO KF) |
Options |
|
Pressure regulation |
inlet pres. reg. system (bypass concept) |
Increased sensitivity |
25 ppt in 3 sec. /· 5 ppt in 60 sec |
NO2 converter |
PLC 762 SR (photolytic converter) |
|
|
ECO PHYSICS reserves the right to change these specifications without notice. |
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