Portable Thermal Mass Flow Meters

HTA

• hand-held instrument with IP64 type of protection to which all Höntzsch TA sensors with thin-film sensor element can be connected
• high-contrast LCD liquid crystal display, measured value display 13 mm high four-digit with decimal point as well as affiliated display unit, display of duration of measurement in seconds 6 mm high, adjustment and configuration instructions, operator's information, status display 3 mm high
• interface RS232 for direct transfer of the stored measured values to a PC
• instantaneous values every second. Display of standard velocity v, standard volume flow V/t or temperature (resolution 1 °C), selectable. Display of instantaneous value in the START and also START/STOP mode also with long-term measurement. Display units: m/s, m³/h, l/min, °C
• power supply by 9V battery or plug-in power supply
• analog output 0 . 4 V = 0 . x m/s
• data and measured value storage for 500 data records. When being stored the data records are automatically marked with a group number (max. 99) and serial number
• optional accessories: RS232 / V24 adapter for data transmission to an IBM compatible PC / µP-Flowtherm extension cable 3 m or 5 m long, also with waterproof connector / µP-Flowtherm Y cable for connection to two sensors at the input of the µP-Flowtherm / µP-Flowtherm carrying case / µP- Flowtherm light metal carrying case / 9 V battery

Portable Thermal Mass Flow Meters for Ex Areas

HTA-EX

• hand-held instrument in ATEX EEx ia IIC T4 type of protection to which all Höntzsch TA sensors with thin-film sensor element can be connected
• high-contrast LCD liquid crystal display, measured value display 13 mm high four-digit with decimal point as well as affiliated display unit, display of duration of measurement in seconds 6 mm high, adjustment and configuration instructions, operator's information, status displays 3 mm high
• interface for direct transfer of the stored measured values to a PC
• instantaneous values every second. Display of standard velocity v, standard volume flow V/t or temperature (resolution 0.1 °C), selectable. Display of instantaneous value in the START and also START/STOP mode also with long term measurement. Display units: m/s, m³/h, l/min, °C
• power supply by Li-Ion accumulator. Charge by using the appropriate charger in the 6-pin flange socket. Charging time approx. 4 hours, running time approx. 50 hours
• analog output 0 . 4 V = 0 . x m/s
• data and measured value storage for 500 data records. When being stored the data records are automatically marked with a group number (max. 99) and serial number

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