![]() | Hand-Held Meter HFA |
A handy and easy-to-use anemometer for measuring flow velocity, volume flow and temperature of air/gases and water/liquids. Measurable variables are the flow velocity v in m/s, the volume flow V/t in m³/h or l/min and the temperature t in °C. All associated Höntzsch vane wheel flow sensors with appropriate plug can be connected to the HFA display unit: • sensors designed as probes or measuring tubes, also for ±directional sensing of flow • sensors with integrated temperature probe PT100 • temperature probes PT100
Hardware
Input (8-pin flange socket)
for connection of designated
sensor type:
Display panel
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
Analog output
FA: 0 … 4 V = 0 … x m/s
FAR: 0 … 2 … 4 V = -x … 0 … +x m/s,
x = variable, impedance 2 kW
(6-pin flange socket)
Power supply
by 9 V battery (operating time
30 hours) or by using the
appropriate plug-in power supply
in the 6-pin flange socket.
Working temperature range
0 °C … +50 °C
Weight
approx. 265 g
Software
Measured value display
Instantaneous values every
second. Display of actual velocity
v, actual 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.
Time constant
The time constant set for the
measured value display as well as
the adjustment of the profile
factor effect the instantaneous
values of the analog output.
Datalogger
Data and measured value storage
for 500 data records. When being
stored the data records are
automatically marked with a group
number (up to 99 maximum) and
serial. The data can be read out on the
display panel or on a PC using
the HFA RS232 interface and the
Höntzsch software HLOG for
WIN9X.
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