| Voltage supply |
24 V AC ⁄ DC (± 10 %)
|
| Power consumption |
< 4.8 W ⁄ 24 V DC typical; < 6.8 VA ⁄ 24 V AC typical; peak current 200 mA
|
| Sensor, VOC |
VOC sensor (metal oxide) with automatic calibration
(VOC = volatile organic compounds)
|
| Measuring range, VOC |
0...100 % air quality; referred to calibrating gas;
multi-range switching (selectable via DIP switches)
VOC sensitivity low, medium, high
|
| Output, VOC |
0 -10 V (0 V = clean air, 10 V = polluted air) or 4...20 mA (selectable via DIP switches,
switchpoint can be adjusted from 0...100 % of the output signal)
|
| Measuring accuracy, VOC |
± 20 % of final value (referred to calibrating gas)
|
| Service life |
> 60 months (under normal load conditions)
|
| Measuring range, CO2 |
multi-range switching (selectable via DIP switches)
0...2000 ppm; 0...5000 ppm
|
| Sensor, CO2 |
optical NDIR sensor (non-dispersive infra-red technology)
including atmospheric pressure compensation (up to 1100 mbar)
with automatic and manual calibration
|
| Output, CO2 |
0 -10 V or 4...20 mA (selectable via DIP switches)
|
| Measuring accuracy, CO2 |
typically ± 30 ppm ± 3 % of measured value
|
| Temperature dependence, CO2 |
± 5 ppm ⁄ °C or ± 0.5 % of measured value ⁄ °C
(whichever is higher)
|
| Pressure dependence |
± 0,13 % ⁄ mm Hg
|
| Gas exchange |
by diffusion
|
| Relay output |
with potential-free changeover contact 24 V (assignment selectable via DIP switches)
|
| Response time |
< 2 minutes
|
| Output |
0 -10 V or 4...20 mA, working resistance < 800 Ω (selectable via DIP switches, selected variant applies for all outputs), with offset potentiometer (± 10 % of the measuring range)
|
| Ambient temperature |
–10...+60 °C
|
| Process connection |
by mounting flange, plastic
(included in the scope of delivery)
|
| Protective tube |
PLEUROFORMTM, material polyamide (PA6), with torsion protection, Ø 20 mm, vmax = 30 m/s (air)
without filter: NL = 202.5 mm / with plastic filter: NL = 235 mm (optional with metal filter: NL = 227 mm)
|
| Electrical connection |
0.14 - 1.5 mm² via terminal screws
|
| Enclosure |
plastic, UV-stabilised,
material polyamide,
30 % glass-globe reinforced,
with quick-locking screws
(slotted ⁄ Phillips head - combination),
colour traffic white (similar to RAL 9016)
|
| Enclosure dimensions |
126 x 90 x 50 mm (Tyr 2)
|
| Cable gland |
M 16 x 1.5; including strain relief,
exchangeable
|
| Long-term stability |
< 2 % in 15 years
|
| Protection class |
III (according to EN 60 730)
|
| Protection type |
IP 65 (according to EN 60 529) enclosure only! (PLEUROFORM IP 30)
|
| Standards |
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014 ⁄ 30 ⁄ EU
|
