TASI TASI-621 Thermohygrometer split measurement dew point/wet bulb and temperature
TASI TASI-621 Thermohygrometer, external probe type digital display partial temperature Humidity Meter, Temperature range of -20 ℃~ 60 ℃, Humidity range of 0%~ 100% R.H., can simultaneously measure dew point/wet bulb and temperature.
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Introduction
The TASI-621 thermohygrometer is a handheld, easy-to-use, 31/2-digit (1999 max reading) digital temperature and humidity meter with a robust design. A thermistor is used as an inductor for temperature measurement, while a polymer humidity sensor with varying capacitance is used as an inductor for Relative Humidity measurement.
Features
◆ CE certification qualified
◆ Measurement of °C and °F
◆ Maximum value lock function
◆ Backlit display
◆ Dew point/wet bulb and temperature can be measured
◆ The average value can be measured and the power off is automatic
◆ Dual display of temperature and humidity
◆ Comes with a detachable extension rod
Operating Procedures
1. Open the protective cover of the sensor head
2. Select the "APO" or "ON" function switch
3. Press the "°C/°F" button to select the desired temperature function
4. Read the display reading, which is the temperature value or Relative Humidity value you want to measure
5. When the temperature and humidity meter is not in use, please lock the protective cover to prolong the life of the sensor and avoid damaging the sensor
Product display diagram


Place of use
TASI-621 Thermohygrometer is suitable for use in greenhouses, food distribution industry, HAVC installation and maintenance, art museums, offices, department stores, laboratories, environmental research, printing plants, climate monitoring, shopping malls
TASI TASI-621 ThermohygrometerSpecifications
| LIST | VALUE |
|---|---|
| temperature range | -20~60℃ |
| temperature error | +/- 0.5 ℃: 0 ℃ to 45 ℃; +/- 1 ℃: -20 ℃ to 0 ℃, 45 ℃ to 6 0 ℃; +/- 1 ° F: 32 ° F to 113 ℉; +/- 2 ° F: -4 ° F to 32 ° F, 113 ° F to 140 ° F |
| Temperature Resolution | 0.1℃/0.1℉ |
| Humidity range | 0~100%RH |
| Humidity error | ±2.5%@25℃,10%~90%R.H.;±5%@25℃,0%~10%R.H.,90%~100%R.H. |
| Sensor type | Thermistor Temperature Sensor, Capacitive Humidity Sensor |
| Sampling time | 2.5 times/second |
| unit conversion | ℃/℉ |
| Power Supply | 9V alkaline battery |
| Dimensions | 178*65.5*35mm |
| Weight | About 165g (620) |
| Operating temperature | 0℃~50℃ |
| Low power prompt | When the battery Voltage is lower than the operating Voltage ,"+ - " display |
| Accuracy test environment | 23 ℃ +/- 5 ℃, Relative Humidity < 75% R.H. |
| Storage environment | -20℃~60℃,0~70%R.H. |
| Working Relative Humidity | <80%R.H. |
TASI TASI-621 Thermohygrometer Packing list
host x1, battery x2, product certificate x1, instruction manual x1.
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Thermohygrometer Series Operating Instructions (TASI622_622A_622B_622C)
- Humidity Measurement Instrument operating instructions
- Causes and prevention of sick orange peel and sagging phenomenon in painting
- TASI621 Digital Thermohygrometer Operating Instructions


TASI-621





