Table 3 Specification of measuring instruments
Parameter | Apparatus | Model. no. | Accuracy | Measuring range |
|---|---|---|---|---|
Dry bulb temp. | Digital thermocouple thermometer | T407291 | 0.1 oC | − 50–1300 oC |
Wet bulb temp. | Digital temperature humidity meter | Lunarlipes ST6817 | 0.1 oC | − 20–60 oC |
Relative humidity | Digital humidity meter | 1659454 | 3% RH | 10% RH-99% RH |