E C O P H Y S I C S Specifications
CLD 780 TR / July 2000 11
2.2 CLD 780 TR Operating data
Analog outputs 0 to 1 V
(galvanically isolated) 0.2 to 1 V
0 to 10 V (into 500 k
Ω
min)
2 to 10 V
0 to 20 mA
4 to 20 mA (into 500
Ω
max)
Interface (programmable) RS-232
Permitted ambient temperature 5 to 50 °C
Permitted humidity range 5 to 95 % RH (non condensing)
Reaction chamber temperature 40 °C, regulated
Photomultiplier temp. < -15 °C
Reaction chamber pressure 14 ± 4 mbar abs.
Inlet pressure range
– Sample and /or calibration gas 800 to 1050 mbar abs. (ambient)
(170 to 1050 with Option 2)
– O
2
/Dry air 750 to 1100 mbar abs.
(not true with Options 1&2. See
section 3.3 in Appendix A4)
Sample/Cal gas flow 3150 ml/min
Ozone flow (O
2
or dry air) 330 ml/min
PMT purge flow (dry air) < 50 ml/min
Electrical data
– Power uptake 200 VA
– Supply voltage 28 VDC ± 10 %
(24 VDC + 10/- 15 % optional)
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