| Model | 89191 |
| Wind Speed Range | 0.20~30.00 m/s |
| Wind Speed Accuracy | ±(1.5% of reading+0.3 m/s) for under 20 m/s ±(3% of reading+0.3 m/s) for above 20 m/s |
| Air Temperature Range | -20~60℃ |
| Air Temperature Resolution | 0.1℃, 0.1! |
| Air Temperature Accuracy | ±0.6℃ |
| Air RH% Range | 0.1%~99.9%RH |
| Air RH% Resolution | 0.1%RH |
| Air RH% Accuracy | ±3%RH (at 25℃ 10~90%RH, others ±5%RH) |
| CO2 Range | 0~9999 ppm, (5001~9999 ppm out of scale range) |
| CO2 Accuracy | ±30 ppm ±5% of reading (0~5000 ppm) |
| Temperature Response Time | 60 seconds (typical) |
| Air RH% Response Time | 60 seconds (typical) |
| LCD Update | Every second |
| Wet Bulb Temp. Display | -20~59.9℃ |
| Dew Point Temp. Display | -5~59.9℃ |
| Air Volume Display (CMM) | 0~99999 m3/minute |
| Air Volume Resolution | 0.1 (0~9999.9) or 1 (10000~99999) |
| LCD Size | 54(L) * 32.5(W) mm |
| Operating Temperature | 0~50℃ |
| Operating RH% | Humidity ＜80% |
| Storage Temperature | -10~50℃ |
| Storage RH% | Humidity ＜90% |
| Meter Size | 269(L)* 106(W) * 51(H) mm |
| Weight | ~200g |
| Battery | AAA*4 PCS |
| Standard Package | Meter, Batteries, Manual, Hard Carry Case |
| Optional Accessory | Airflow Cone (W/soft Carry Case), Cone Extension Stick       |
Malaysia
