| Property | Description/Value |
|---|---|
| Measurement range | 0–20 %CO2 |
| Accuracy 1 | |
| At 5 %CO2 | ±0.1 %CO2 |
| At 0–8 %CO2 | ±0.2 %CO2 |
| At 8–20 %CO2 | ±0.4 %CO2 |
| Calibration uncertainty | |
| At 5 %CO2 | ±0.07 %CO2 |
| At 20 %CO2 | ±0.27 %CO2 |
| Long-term stability | |
| At 0–8 %CO2 | ±0.3 %CO2/year |
| At 8–12 %CO2 | ±0.5 %CO2/year |
| At 12–20 %CO2 | ±1.0 %CO2/year |
| Start-up, warm-up, and response time | |
| Start-up time at +25 °C (+77 °F) | < 10 s |
| Warm-up time to full specification | < 4 min |
| Response time (T90) | < 1 min |
| Other | |
| Sampling frequency | 1 s |
| Property | Description/Value |
|---|---|
|
Operating environment |
Indoor use |
|
Operating temperature |
+15 … +40 °C (+59 … +104 °F) |
|
Storage temperature |
−20 … +60 °C (−4 … +140 °F) |
|
Operating humidity |
0–95 %RH |
|
Storage humidity |
20–85 %RH |
|
IP rating |
IP4X |
| Flow rate of sampled/aspirated gas | 0.3 l/min |
| Property | Description/Value |
|---|---|
| Operating voltage | 12–30 V DC |
| Power consumption |
Typical: 0.7 W Maximum: 0.9 W |
| Current consumption | 60 mA typical at minimum voltage |
| Property | Description/Value |
|---|---|
| Digital output |
RS-485 |
| Property | Description/Value |
|---|---|
| Cable connector type | M12 5-pin A-coded male |
| Barbed fitting for gas outlet (optional) | For tube with ID 4 mm (approx. 5/32 in) |
| Dimensions (H × W × D) | |
| Probe body (incl. cable connectors), without sampling pipe: | 114 × 102 × 40 mm (4.49 × 4.02 × 1.57 in) |
| Depth with sampling pipe: | 145 mm (5.71 in) |
| Weight | 410 g (14.46 oz) |
| Materials | |
| GMP80P (excluding GMP251 probe): | |
|
Housing Sampling pipe Barbed fitting for gas outlet Connectors (on the bottom) |
Aluminum and polyamide Stainless steel Nickel-plated brass Nickel-plated brass |
| GMP251 probe: | |
|
Housing Filter Connector |
PBT polymer PTFE membrane, PBT polymer grid Nickel-plated brass |
| Property | Description/Value |
|---|---|
|
EU directives and regulations |
EMC Directive (2014/30/EU) RoHS Directive (2011/65/EU) as amended by 2015/863 REACH Regulation (EC 1907/2006) |
|
Electromagnetic compatibility (EMC) |
EN 61326‑1, basic electromagnetic environment FCC part 15 B, Class B ICES‑3 / NMB‑3 (Class B) |
|
Compliance marks |
CE, China RoHS, RCM |
| Property | Description/Value |
|---|---|
| Made in Finland by | Vaisala Oyj, Vanha Nurmijärventie 21, FI-01670, Vantaa |
| UK address | Vaisala Ltd, 6230 Bishops Court, Solihull Parkway, Birmingham Business Park, Birmingham B37 7YB |
1 At 25 °C (77 °F) and 1013 hPa (incl. repeatability and
non-linearity).