Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 1.5 W/ 24 V DC typical;
< 2.9 VA/ 24 V AC typical;
peak current 200 mA
Measuring accuracy
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
Warm up time
approx. 1 hour
Response time
< 2 minutes
Ambient temperature
0...+50 °C
Electrical connection
0.14 - 1.5 mm² via terminal screws
Installation
wall mounting or on in-wall flush box, Ø 55 mm,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top/ bottom in case of plain on-wall installation
Long-term stability
< 2 % in 15 years
Protection class
III (according to EN 60 730)
Protection type
IP 30 (according to EN 60 529)
Relay output
without changeover contact
Standards
CE conformity, electromagnetic compatibility
according to EN 61 326, EMC Directive 2014/ 30/ EU,
Low Voltage Directive 2014/ 35/ EU
Sensor
optical NDIR sensor
(non-dispersive infra-red technology),
with manual calibration (via zero button) and
automatic calibration (fixed)
Measuring range
0...2000 ppm (fixed)
Housing
plastic, material ABS,
colour pure white (similar to RAL 9010)
Dimensions
85 x 85 x 27 mm (Baldur 1)