ENGLISH User manual Copyright HT ITALIA 2018 Release EN 1.
HTA106 TABLE OF CONTENTS 1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2 1.1. 1.2. 1.3. 2. 3. GENERAL DESCRIPTION ........................................................................................... 3 PREPARATION FOR USE ........................................................................................... 3 3.1. 3.2. 3.3. 4. Preliminary instructions .............................................................................................
HTA106 1. SAFETY PRECAUTIONS AND PROCEDURES This instrument conforms to safety guidelines relating to electronic measuring instruments. For your own safety and that of the instrument, please follow the procedures described in this instruction manual and specially read all the notes preceded by the symbol carefully. Strictly keep to the following instructions before and during measurements: Do not perform measurements in environments with explosive gas, fuels or dust.
HTA106 2. GENERAL DESCRIPTION The instrument has the following functions: Air temperature measurement with integrated sensor Relative humidity (%RH) measurement with integrated sensor Dew point temperature measurement Wet bulb temperature measurement MAX MIN function Data HOLD Backlight Auto Power OFF Each function can be selected via the corresponding key. The selected quantity appears on a high-contrast display with indication of measurement unit and of the active functions.
HTA106 4. NOMENCLATURE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Integrated sensor 2. LCD display 3. HOLD/ key 4. MAX MIN key 5. WB/DP key 6. °C key 7. °F key 8. ON/OFF key 9. Tripod hole 10. Battery cover Fig. 1: Instrument description 4.2. DESCRIPTION OF DISPLAY CAPTION: 1. HOLD function active 2. MAX function active 3. MIN function active 4. Low battery indication 5. Temperature measurement unit 6. Main display 7. DP and WB functions active 8. Secondary display 9. Relative humidity measurement unit 10.
HTA106 4.3. FUNCTION KEY DESCRIPTION 4.3.1. ON/OFF key Press the ON/OFF key to switch on and off the instrument. The ON/OFF key also allows enabling/disabling the Auto Power OFF function (see § 4.3.6). 4.3.2. HOLD/ key By pushing HOLD/ key the value measured by the instrument is frozen on the display and the symbol “Hold” appears on it. Press the HOLD/ key again to disable this function and resume normal operation. Press and hold the HOLD/ key for at least 1s to enable/disable the display’s backlight. 4.3.
HTA106 5. OPERATING INSTRUCTIONS 5.1. AIR TEMPERATURE AND HUMIDITY MEASUREMENT CAUTION Do not perform measurements in humid environments. Do not perform measurements in presence of explosive materials or combustible gases or in dusty environments. Do not expose the integrated sensor to high mechanical stress 1. Turn on the instrument by pressing the ON/OFF key 2. Select the temperature measurement unit (see § 4.3.5) 3. Position the integrated sensor (see Fig. 1 – part 1) in the test area.
HTA106 6. MAINTENANCE 6.1. GENERAL Whether in use or in storage, please carefully follow the recommendations listed in this manual in order to prevent any possible damage or danger during use. Do not place this instrument in environments with a high temperature and do not expose to direct sunlight, Be sure to switch off the instrument after use. For long time storage, remove the battery to avoid leakage of battery liquid that would damage the internal parts. 6.2.
HTA106 7. TECHNICAL SPECIFICATIONS 7.1. CHARACTERISTICS Accuracy is calculated as ±[indication] at 25°C, <70%RH Air Temperature measurement Range -20.0°C ÷ 60.0°C -4.0°F ÷ 140.0°F Resolution 0.1 °C 0.1 °F Accuracy 0.5°C 0.9°F Resolution 0.1 °C 0.1 °F Accuracy 1.0°C 1.8°F Wet Bulb Temperature measurement Range -20.0°C ÷ 50.0°C -4.0°F ÷ 122.0°F Dew Point Temperature measurement Range -26.0°C ÷ 50.0°C -14.8°F ÷ 122.0°F Resolution 0.1 °C 0.1 °F Accuracy 1.0°C 1.8°F Resolution 0.
HTA106 8. SERVICE 8.1. WARRANTY CONDITIONS This equipment is guaranteed against material faults or production defects, in accordance with the general sales conditions. During the warranty period (one year), faulty parts may be replaced. The manufacturer reserves the right to decide either to repair or replace the product. In case the instrument is returned, all transport charges must be paid by the customer.
