Peltier-type Chiller
Thermo-con/Compact Type
Air-cooled
HEF
Series
Actual size
130
mm
Can precisely control the temperature
Precisely control the temperature of the
circulating fluid by using the Peltier device.
Refrigerant-free and environmentally friendly
37
dB
(at low load)
This product generates less
vibration
,
dust
, and noise due to its lack of
moving parts, such as a compressor.
The noise is kept low by reducing the fan speed in low-load operation.
Customers can reduce the noise by setting the unit to constant fan speed
mode when the noise at high load is concerned.
∗
Note that in constant fan speed mode, cooling performance is reduced.
Low-noise design
Noise Level
Sound level
Noise level
reference
Sound example
20
dB
Whisper
The sound of leaves touching each
other or the sound of snow falling
30
dB
Very quiet
Suburbs late at night or the sound
of writing with a pencil
40
dB
A quiet residential area in the
daytime or in the library
50
dB
Normal
External unit of a home air
conditioner (close distance) or in a
quiet offi ce
60
dB
In a moving car, normal
conversation, or in a department
store
70
dB
Noisy
In a car driving at high speed, in a
noisy offi ce, or the sound of cicadas
(close distance)
80
dB
On a running train, ambulance siren
(close distance), or inside a
pachinko parlor
90
dB
Very loud
Karaoke bar (in the centre) or the
barking of a dog (close distance)
HEF002 Noise
level range
Refrigerant-free
Fluid contact material:
Stainless steel, Resin, Rubber
(Aluminum and copper material-free)
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