Additional Features:

• Air speed measurement through 30 mm diameter external probe
• Selection of measurement units
• Airflow measurement in m3/min (CMM) and ft3/min (CFM)
• Air temperature measurement in °C/°F with external probe
• Relative humidity measurement %RH with external probe
• Atmospheric pressure measurement with internal sensor
• Maximum, minimum and average (AVG) values
• Data HOLD
• Internal memory with  99 locations
• Double LCD display with backlight
• Auto Power OFF

Standard Accessories:

• External probe
• Battery
• Carrying bag
• User manual

Standards:

• EMC 2004/108/CE Directive
• CE MARK

The HT4000 was designed to basically perform air speed measurements with any kind of different selectable measurement units. Measurements are performed by using an external probe connected to the meter which also performs air temperature/humidity measurements. Other available functions are airflow (CMM and CFM) and atmospheric pressure measurements with built-in sensor. The HT4000 has MAX/MIN/AVG and Data HOLD features in addition to an internal memory to save  air speed measurement results. It is provided with a double backlighted LCD display and auto power OFF feature to save battery life.