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Technical Specifications
Model
Power supply
Power consumption
Measuring range temperature
Measuring range CO2
Measuring range humidity
Analogue output
Accuracy temperature
Accuracy CO2
Accuracy humidity
Calibration
Sensor
Display
Enclosure
Protection
Cable entry
Connection electrical
Ambient condition
Storage condition
Connection
SCD-200-E00-00 | SCD-201-E00-00
|
__
AOU2
________
|
__
AOU1
________
|
__
GND
________
|
__
UB+
_________
SCD-220-E00-00 | SCD-221-E00-00
|
__
AOI2
________
|
__
AOI1
________
|
GND
__
________
|
__
UB+
_________
Display
SCD-201 | SCD-221 | SCD-311
Fault/sensor failure
The fault can have various
causes. If the symbol appears,
the device should be returned
for inspection.
SCD-200-E00-00
SCD-201-E00-00
SCD-310-E00-00
SCD-311-E00-00
SCD-220-E00-00
SCD-221-E00-00
active 0..10V
active 4..20mA
SCD-xx1
→ Temperature | 0..10 V
→ CO2 | 0..10 V
← 0 V⏊
← 15..35 V = or 19..29 V ~
→ Temperature | 4.. 20 mA
→ CO2 | 4..20 mA
← 0 V⏊
← 15..35 V =
Measuring values
SCD-xxx-E00-00 Room climate sensor
active, 2x 0..10V, CO2 + temperature
active, 2x 0..10V, CO2 + temperature + LCD
active, 3x 0..10V, CO2 + temperature + relative humidity
active, 3x 0..10V, CO2 + temperature + relative humidity + LCD
active, 2x 4..20mA, CO2 + temperature
active, 2x 4..20mA, CO2 + temperature + LCD
15..35 V = or 19..29 V ~ SELV
15..35 V = SELV
max. 0,4 W (24 V =) | 0,8 VA (24 V ~)
0..+50 °C
0..2000 ppm
0..100 % rH
2x/3x 0..10 V, min. load 10 kΩ
±0,5K (typ. at 21 °C)
±50 ppm +3% of measured value (typ. @ 21 °C, 50% rH)
±2% between 10..90% rH (typ. at 21 °C)
self-calibration, Dual Channel
NDIR (non-dispersive, infrared)
LCD 29x35 mm with RGB backlight
PC V0, pure white
IP20 according to EN 60529
rear entry, breaking points, drill mark top
tool-free mountable spring terminal, max. 1,5 mm²
0..+50 °C, max. 85% rH, non-condensing
-30..+70 °C, max. 85% rH, non-condensing
SCD-310-E00-00 | SCD-311-E00-00
|
__
AOU3
_______
|
__
AOU2
________
|
__
AOU1
________
|
GND
__
________
|
__
UB+
_________
________________________________
UB+
→ Power supply 24 V
GND
→ Ground
AOUx
→ Analog output 0..10 V
AOIx
→ Analog output 4..20 mA
3
→ Temperature | 0..10 V
→ rel. Humidity | 0..10 V
→ CO2 | 0..10 V
← 0 V⏊
← 15..35 V = or 19..29 V ~
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