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Фотографії призначені тільки для інформаційних цілей. Подивитися специфікацію продукту
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The humidity measuring element, produced by Galltec under the name Polyga®, consists of several synthetic
fabric bands eachwith 90 individual fibres with a diameter of 0.003mm.Aspecial process gives thefibre hygroscopic
properties. Themeasuring element absorbs and desorbs humidity. The swelling effect, which is predominantly in
a lengthways direction, is carried via a suitable lever system to a microswitchwith an extremely small switching
path. Themeasuring element reacts quickly and precisely to the change in air humidity. By adjusting the set value
control knob, the lever system is engaged so that when the set air humidity is reachedthemicroswitchis activated.
In the case of the hygrostat type HG80-2, a second microswitch is positioned parallel to the first microswitch.
After the housing cover has been removed, the second set value can be finely adjusted at the microswitch lever
using a screwdriver. The switch point of the second microswitch is connected to the switch point of the first
microswitch. The switch distance (neutral zone) can be set from 0% rel. humidity to +15% rel. humidity.
The fan shaped measuring element is protected by a perforated sensor tube and is exposed to the housing.
The hygrostats are designed for pressureless systems. The mounting position should be chosen such that
condensed water cannot get into the interior of the housing. The preferred mounting position is with the
„sensor vertically downwards“ or „sensor horizontal“. In the mounting positions described above, a blanking plate in the sensor tube with a 0.8mm diameter hole will prevent water getting in..
Technical Data | ||
- scale range | 30...100 % rh | |
- measuring accuracy | ||
for measuring range >50% rh | ± 3,5 % rh | |
for measuring range < 50% ± 4,0 % rh | ||
- range of operation | 35...100 % rh | |
- measuring medium | air, pressureless, non-aggressive | |
- switching difference(microswitch) | ok. 3...6% rh | |
- switching distance | 0... + 15 % rh | |
- permissible load P | 100mW | |
- max.voltageU0 | 9,0V | |
- max. current Ik | 25mA | |
- max. induction Li | <100μH | |
- max.capacity Ci | <10pF | |
- contact material microswitch | gold | |
- temperature class | T6 | |
- permissible ambient temperature | -20...+40°C | |
- permissible working temperature | 0...+40 °C | |
- average temperature coefficient | -0,2%/K ref. to 20°C and 50%rh | |
- adjustment | at average air pressure 430mNN | |
- permissible air speed | 8 m/s | |
with gauze protection (itemno. 20.014) | 15m/s | |
- time constant T63 atv=2m/sec | 120s | |
- probe length; probe material | 220mm; high-grade steel | |
- fixing | slots in the housing base for duct mounting | |
Nr kat. 20.009 | console for wall mounting | |
- mounting position | sensor vertically downwards or horizontally | |
- connecting terminals | for conductor cross sections up to 1.5mm2 | |
- cable connection. | via twist nipple M20x1.5 | |
- electromagnetic compatibility EMC | ||
resistance to interference | zg. EN 50 082-2 | |
interference emission | zg. EN 50 081-2 | |
- housing | ABS light grey | |
- protective system (exterior rotating knob) | IP54 | |
- (interior rotating knob) | IP64 | |
- weight | ok. 0,7 kg |
HG80, HG80EXi
|
HG80-2, HG80-2EXi
|
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The hygrostatsHG80-2(i)Exi are set by the factory such that the 2nd set value is 6%rel. humidity higher than the 1st set value.
The neutral zone (distance between the 1st and 2nd set value) can be adjusted after removing the housing cover
using a screwdriver. If turned to the left, the 2nd set value goes up (from0%rh to +15%rh relative to the 1st set value). The neutral zone can be read using the rotary knob.
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The humidity measuring element, produced by Galltec under the name Polyga®, consists of several synthetic
fabric bands eachwith 90 individual fibres with a diameter of 0.003mm.Aspecial process gives thefibre hygroscopic
properties. Themeasuring element absorbs and desorbs humidity. The swelling effect, which is predominantly in
a lengthways direction, is carried via a suitable lever system to a microswitchwith an extremely small switching
path. Themeasuring element reacts quickly and precisely to the change in air humidity. By adjusting the set value
control knob, the lever system is engaged so that when the set air humidity is reachedthemicroswitchis activated.
In the case of the hygrostat type HG80-2, a second microswitch is positioned parallel to the first microswitch.
After the housing cover has been removed, the second set value can be finely adjusted at the microswitch lever
using a screwdriver. The switch point of the second microswitch is connected to the switch point of the first
microswitch. The switch distance (neutral zone) can be set from 0% rel. humidity to +15% rel. humidity.
The fan shaped measuring element is protected by a perforated sensor tube and is exposed to the housing.
The hygrostats are designed for pressureless systems. The mounting position should be chosen such that
condensed water cannot get into the interior of the housing. The preferred mounting position is with the
„sensor vertically downwards“ or „sensor horizontal“. In the mounting positions described above, a blanking plate in the sensor tube with a 0.8mm diameter hole will prevent water getting in..
Technical Data | ||
- scale range | 30...100 % rh | |
- measuring accuracy | ||
for measuring range >50% rh | ± 3,5 % rh | |
for measuring range < 50% ± 4,0 % rh | ||
- range of operation | 35...100 % rh | |
- measuring medium | air, pressureless, non-aggressive | |
- switching difference(microswitch) | ok. 3...6% rh | |
- switching distance | 0... + 15 % rh | |
- permissible load P | 100mW | |
- max.voltageU0 | 9,0V | |
- max. current Ik | 25mA | |
- max. induction Li | <100μH | |
- max.capacity Ci | <10pF | |
- contact material microswitch | gold | |
- temperature class | T6 | |
- permissible ambient temperature | -20...+40°C | |
- permissible working temperature | 0...+40 °C | |
- average temperature coefficient | -0,2%/K ref. to 20°C and 50%rh | |
- adjustment | at average air pressure 430mNN | |
- permissible air speed | 8 m/s | |
with gauze protection (itemno. 20.014) | 15m/s | |
- time constant T63 atv=2m/sec | 120s | |
- probe length; probe material | 220mm; high-grade steel | |
- fixing | slots in the housing base for duct mounting | |
Nr kat. 20.009 | console for wall mounting | |
- mounting position | sensor vertically downwards or horizontally | |
- connecting terminals | for conductor cross sections up to 1.5mm2 | |
- cable connection. | via twist nipple M20x1.5 | |
- electromagnetic compatibility EMC | ||
resistance to interference | zg. EN 50 082-2 | |
interference emission | zg. EN 50 081-2 | |
- housing | ABS light grey | |
- protective system (exterior rotating knob) | IP54 | |
- (interior rotating knob) | IP64 | |
- weight | ok. 0,7 kg |
HG80, HG80EXi
|
HG80-2, HG80-2EXi
|
![]() |
![]() |
The hygrostatsHG80-2(i)Exi are set by the factory such that the 2nd set value is 6%rel. humidity higher than the 1st set value.
The neutral zone (distance between the 1st and 2nd set value) can be adjusted after removing the housing cover
using a screwdriver. If turned to the left, the 2nd set value goes up (from0%rh to +15%rh relative to the 1st set value). The neutral zone can be read using the rotary knob.
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