Measurement   performance

Measurement   range

0–10 000 ppm CO2
  (up to 30 000 ppm CO2 with reduced accuracy)

Accuracy

0–3000 ppm CO2

±40 ppm CO2

3000–10 000 ppm   CO2

±2 % of reading

Up to 30 000 ppm   CO2

±3.5 % of   reading

Calibration   uncertainty

at 2000 ppm CO2

±31 ppm CO2

at 10 000 ppm   CO2

±105 ppm CO2

Long-term   stability

0–3000 ppm CO2

±60 ppm CO2/year

3000–6000 ppm   CO2

±150 ppm   CO2/year

6000–10 000 ppm   CO2

±300 ppm   CO2/year

Temperature   dependence 0–10 000 ppm CO2

With   compensation, −10 ... +50 °C

±0.05 % of   reading/°C

With   compensation, −40 ... +60 °C

< ±0.1 % of   reading/°C

Without   temperature compensation at 2000 ppm CO2 (typical)

−0.5 % of   reading/°C

Pressure   dependence

With   compensation at 0–10 000 ppm CO2, 500–1100 hPa

±0.015 % of   reading/hPa

Without   compensation (typical)

+0.15 % of   reading/hPa

Humidity   dependence

With   compensation, 0–10 000 ppm CO2, 0–100 %RH

±0.7 % of   reading (at +25 °C (+77 °F))

Without   compensation (typical)

+0.05 % of   reading/%RH

O2 dependence

With   compensation, 0–10000 ppm %CO2, 0–90 %O2

±0.6 % of   reading (at +25 °C (+77 °F))

Without   compensation (typical)

−0.08 % of   reading/%O2

Start-up,   warm-up, and response time

Start-up time at   +25 °C

< 12 s

Warm-up time for   full spec.

< 2 min

Response time   (T90):

With standard   filter

< 1 min

Flow-through   option with > 0.1 l/min

30 s

With spray   shield

< 3 min

Flow rate   dependence (for flow-through option)

< 1 l/min   flow

No effect

1–10 l/min flow

< 0.6 % of   reading l/min

Inputs and   outputs

Analog outputs

0–5/10 V   (scalable), min. load 10 kΩ
  0/4–20 mA (scalable), max. load 500 Ω

Digital output

Over RS-485:
  Modbus
  Vaisala Industrial Protocol

Operating   voltage

With digital   output in use

12–30 V DC

With voltage   output in use

12–30 V DC

With current   output in use

20–30 V DC

Power   consumption

Typical   (continuous operation)

0.4 W

Maximum

0.5 W

Operating   environment

Operating   temperature of CO2 measurement

−40 ... +60 °C   (−40 ... +140 °F)

Storage   temperature

−40 ... +70 °C   (−40 ... +158 °F)

Operating   humidity

0–100 %RH, non‑condensing

Condensation   prevention

Sensor head   heating when power on

IP rating, probe   body

IP65

Chemical   tolerance (temporary exposure during cleaning)

H2O2 (2000 ppm,   non-condensing)
  Alcohol-based cleaning agents (for example ethanol and IPA)
  Acetone
  Acetic acid

Pressure

Compensated

500–1100 hPa

Operating

< 1.5 bar

Gas flow (for   flow-through option)

Operating range

< 10 l/min

Recommended   range

0.1–0.8 l/min

Mechanical   specifications

Weight, probe

55 g (1.94 oz)

Connector type

M12 5-pin male

Materials

Probe housing

PBT polymer

Filter

PTFE

Dimensions

Probe diameter

25 mm (0.98 in)

Probe length

130 mm (5.12 in)