User manual

T38.0.0X.6C-03 Page 7 of 7
8. Specification
Measuring range:
standard 0 ... 2000 ppm CO
2
option: / 5000 0 ... 5000 ppm CO
2
Accuracy: (at 20 °C, 1013 mbar)
Display:
standard ± 50 ppm ± 2 % of measuring value
option: / 5000 ± 50 ppm ± 3 % of measuring value
Add. Output signal: ± 0.2 % FS
Temperature dependence: typ. 2 ppm CO
2
/ °C (0 - 50 °C)
Response time: t
63
< 180 s
Sampling rate: ca. 15 s
Output signal: Please refer to type plate, free saleable.
Scaling: By entering display values for 4 mA (or 0 V) and 20 mA
(or 1 V/ 10 V) output
Connection: 4 - 20 mA (3-wire)
Voltage (3- or 4-wire)
Auxiliary energy: Uv = 12 - 30 V DC, max. 600 mA (at 4 - 20 mA, 0 - 1 V)
(supply voltage) Uv = 18 - 30 V DC, max. 600 mA (at 0 - 10 V)
or refer to type plate
Reverse voltage 50 V permanent
protection:
Warm up time: < 5 min. (time to reach specification values)
Permissible burden: R
A
< 200 Ohm (at 4 - 20 mA)
Permissible load: R
L > 3000 Ohm (at 0 - 1 V or 0 - 10 V)
Adjusting: via keypress by editing offset and scale
Display: 10 mm high, 4-digit LC-display
Min-/Max- Value Memory: min and max measured values are stored
Ambient conditions
of electronics:
Nominal temperature: 25 °C
Operating condition: -10 to 50 °C 5 to 95 %RH. (non-condensing) 850 - 1100 hPa
Storage condition: -25 to 60 °C 5 to 95 %RH. (non-condensing) 700 - 1100 hPa
Housing: ABS (IP20)
Dimensions: 82 x 80 x 55 mm (H x W x D) without elbow-type plug.
Mounting: With holes for wall mounting (in housing - accessible after cover has been
removed).
Mounting distance: 50 x 70 mm, max shaft diameter of mounting screws are 4 mm.
Electrical connection: Elbow-type plug (P65),
max wire cross section: 1.5 mm², wire/cable diameter from 4.5 to 7 mm.
EMC:
The devices correspond to the essential protection ratings established in the regulations of the council for the
approximation of legislation for the member countries regarding electromagnetic compatibility (2004/108/EG).
In accordance with EN61326 +A1 +(appendix A, class B), additional errors: < 1% FS.
Note:
When connecting long leads adequate measures against voltage surges have to be taken.