Temperature and humidity recorders are widely used in industrial and agricultural production, scientific experiments, warehouse storage and other fields. Monitoring and controlling the temperature and humidity in the environment can realize the environment of related operations to meet operational requirements, ensure the smooth production and improve product quality. However, the recorder needs to be calibrated in the process of use. The reader will briefly introduce the instrument calibration method below.
1. Firstly connect the recorder to the host computer through the serial port (or USB), and set it by the corresponding software. The interval between records or refresh should be as short as possible, for example, 10 seconds/time.
2. Select the storage mode, the general data has first-in first-out, the record is full, the record is full, the coverage is full, the first-in, first-out, and other parameters can be set according to the white body needs to reset the recorder.
3. The sensors of the recorder and the precision dew point meter are placed together in a high-precision temperature and humidity calibration box or humidity generator. The dew point sensor should be as close as possible to the recorder's temperature and humidity sensors.
4. At the temperature of 20 °C, the temperature and humidity recorder humidity measurement part of the performance of the calibration, calibration humidity point can be selected as 20% RH, 40% RH, 60% RH, 80% RH or 30% RH, 50% RH , 70% RH, 90% RH.
5. Press “Ramp Up†or “Dehumidify†to control the humidity value of the humidity and humidity calibration box or humidity generator. After the humidity of the calibration box or generator reaches the calibrated humidity point and stabilizes, read the precision dew point separately. Measuring instrument's humidity measurement and recorder's humidity display.
6. Calibrate the performance of the temperature and humidity recorder's temperature measurement at a humidity of 40%RH in the humidity analyzer or generator. The calibration humidity point can be selected as 10°C, 20°C, 30°C, 40°C. Temperature value of the temperature and humidity calibration box or generator is controlled in the order of “heating up†or “cooling downâ€. When the humidity of the calibration box or generator reaches the calibration temperature point and is stable, the temperature measurement of the precision dew point measuring instrument is read separately. The value and the recorder's temperature display value.
1. Firstly connect the recorder to the host computer through the serial port (or USB), and set it by the corresponding software. The interval between records or refresh should be as short as possible, for example, 10 seconds/time.
2. Select the storage mode, the general data has first-in first-out, the record is full, the record is full, the coverage is full, the first-in, first-out, and other parameters can be set according to the white body needs to reset the recorder.
3. The sensors of the recorder and the precision dew point meter are placed together in a high-precision temperature and humidity calibration box or humidity generator. The dew point sensor should be as close as possible to the recorder's temperature and humidity sensors.
4. At the temperature of 20 °C, the temperature and humidity recorder humidity measurement part of the performance of the calibration, calibration humidity point can be selected as 20% RH, 40% RH, 60% RH, 80% RH or 30% RH, 50% RH , 70% RH, 90% RH.
5. Press “Ramp Up†or “Dehumidify†to control the humidity value of the humidity and humidity calibration box or humidity generator. After the humidity of the calibration box or generator reaches the calibrated humidity point and stabilizes, read the precision dew point separately. Measuring instrument's humidity measurement and recorder's humidity display.
6. Calibrate the performance of the temperature and humidity recorder's temperature measurement at a humidity of 40%RH in the humidity analyzer or generator. The calibration humidity point can be selected as 10°C, 20°C, 30°C, 40°C. Temperature value of the temperature and humidity calibration box or generator is controlled in the order of “heating up†or “cooling downâ€. When the humidity of the calibration box or generator reaches the calibration temperature point and is stable, the temperature measurement of the precision dew point measuring instrument is read separately. The value and the recorder's temperature display value.
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