Oppermann Regelgeräte CO2TRH Manual

CO2-, temperature and humidity transducer CO2TRH
for indoor installation
Technical Data
Valid from firmware V 1.11
CO -Sensor: Non-dispersive infrared technology
2
(NDIR) with automated baseline
correction (vers. K 70)
Sensor ranges:
CO
2
Temperature
Relative humidity 0 – 100 %
Fault thresholds:
– Temperature:
± 1,0 °C
– CO :
± 30 ppm ± 3% of the sensor reading
2
– RH: ±5 % RH (at 20 – 80 % RH)
Sampling cycle: every 15 seconds
CO pressure sensitivity: +1.6% of the sensor reading per kPa
2
deviation from standard pressure
(100 kPa)
Service interval: 5 years (recommended
for the first inspection)
Service life:
> 15 years
Rated ambient
conditions: Humidity: 0 – 95% RH
(non-condensing)
Storage temperature: -30 – 70 °C
Operating temperature: 0 – 50 °C
Protection type: IP 20
Dimensions (L x W x D): approx. 83 x 123 x 23 mm
Weight:
approx. 130 g
•
3-way sensor. Multi-functional detection
and control of CO
humidity.
•
Analog outputs 0 – 10 V for all 3 variables.
With additional relay output for CO
•
2.4" TFT LCD color touch display with
alarm function
•
Standard Modbus and BACnet interface.
•
For demand-based ventilation as a
function of CO
(recommended threshold value < 1,000 ppm).
•
Automated on-board self-calibration and
on-board diagnostics with service intervals of
longer than 5 years.
•
Latest generation infrared technology
(NDIR) for measuring carbon dioxide gas.
Power supply:
Power consumption:
Heat-up time:
0 – 2.000 ppm
0 – 50 °C Response time T 1/e:
Run-in period:
Screw terminals:
Outputs
RS485 Bus:
Relay output:
Analog outputs:
Sensors PG1 | Data sheet No. 14110 | Version 04-2017 | 1 | 14
, temperature, and
2
.
2
concentration
2
24 V DC or 24 V AC
(50 – 60 Hz) ±20 %
< 0.6 W with display. max. 2 W peak
1 Min
(full specification after 15 minutes)
< 3 minutes
> 3 weeks after startup
max. 1,5 mm²
Modbus or BACnet, selectable
closer (rated load 1 mA/5 V up to
1A/50 V AC / 24 V DC). Closes at
1,000 ppm CO , hysteresis 100 ppm
2
(adjustable). Menu-controlled
switching between temperature or
humidity.
3 linear analog outputs
0 – 10 V DC
(R < 100 Ω, R > 5 k Ω).
out Load
OUT1: 0 – 10 V DC
scaled to 0 – 2,000 ppm CO
OUT2: 0 – 10 V DC
scaled to 0 – 50 °C
OUT3: 0 – 10 V DC
scaled to 0 – 100 % RH
2