Three Point Temperature Calibrations
| Calibration Temperature Range | Least Uncertainty of Calibrations (Best Measurement) | ||||
|---|---|---|---|---|---|
| For Data Loggers without probes fitted (Internal sensor) | |||||
| -15ºC to 40°C | ± 0.061°C (routinely ±0.2°C from -15 to 40°C) in the F3 machine. | ||||
| For Data Loggers with probes fitted (External sensor) | |||||
| -24°C to 130°C | ±0.056°C (routinely ±0.2°C from -20 to 50°C) in dry block calibrator. | ||||
| ±0.036°C (routinely ±0.2°C from -20 to 50°C) in stirred liquid baths. | |||||
Single Point Temperature Calibrations & Re-Calibration Data Loggers
| Calibration Temperature Range | Least Uncertainty of Calibrations (Best Measurement) | ||||
|---|---|---|---|---|---|
| For Data Loggers without probes fitted (Internal sensor) | |||||
| -24°C to 80°C | ±0.061°C in stirred liquid baths with comm block fitted. | ||||
| For Data Loggers with probes fitted (External sensor) | |||||
| -24°C to 130°C | ±0.056°C At single temperature points in dry block calibrator. | ||||
| ±0.036°C At single temperature points in stirred liquid baths. | |||||
Relative Humidity Calibrations & Re-Calibration to loggers
| Calibration Temperature Range | Least Uncertainty of Calibrations (Best Measurement) | ||||
|---|---|---|---|---|---|
| Single humidity points between 12% and 85% RH | |||||
| -12% to 85% RH | ±1.0% RH at a dry bulb temperature between 20°C and 30°C and a dew point range of -6°C to 23°C | ||||
| Calibration over the entire range from 12% to 85% RH | |||||
| 12% to 85% RH | 3.0% RH at a dry bulb temperature between 20°C and 30°C and a dew point range of -6°C to 23°C | ||||