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Electronic thermo-hygrometer for measuring indoor and outdoor air temperature and humidity. Memorization of the minimum and maximum values. Alarm clock.
Measurement of humidity indoors only with a built-in sensor. The external sensor serves only for temperature measurement.
External sensor on an external cable 1.5 m long (non-removable , soldered to the board).
Cable diameter 2 mm. Outside sensor, 4 mm in diameter and 20 mm long, with a removable fastening element for fixing on the outside of the window.
Ie. a hole with a diameter of a little more than 4 mm is required to bring the sensor outside the room.
There is a function for storing the minimum and maximum temperature values in one measurement cycle. These values are indicated by pressing the RESET/MAX/MIN button. Clears the memory with the CLEAR button.
The unit switch (Celsius or Fahrenheit) is located on the back of the case, above the battery compartment.
The clock is located on the bottom line of the display on the left. There is an alarm clock function - sound signal at the set time.
overall dimensions: 110 x 102 x 21 mm
display: LCD 2-line, character height 20 mm
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Проверяем, насколько это возможно. У нас нет лабораторного оборудования (да и времени) для проверки с высокой точностью. Но на уровне сравнения показаний температуры с аналогичного класса термометрами проверка производится. Экземпляры, которые сильно отличаются в показаниях, выбраковываются.
Для проверки использовал поверенный мультиметр Appa 109N с герметичной термопарой (погрешность прибора ± 0,1 %).
Плюс делал проверку с помощью термоса со льдом - ноль градусов и близко нет, я понимаю, что за такие деньги точность никакая, но в описании заявлена точность ±1.
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To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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