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QFS-12 configure
ES-20 configure
QFS-12
Two-Point Float-Switch
With the two-point float switch Type QFS-12 can be realized pump controls in liquid media on a simple way.
Properties
- Protection class EN60529 : IP68
- Side installation : PVC-Stopfbuchsverschraubung G 2”
- Installation from above : PVC-Stopfbuchsverschraubung G 2”
- Operating pressure : max. 2 bar
- Contact : Wechselkontakt
- Switching voltage : 4....250 V AC / DC
- Switching current : 1mA.....1A
- Switching capacity : 60W/VA
- media density : ρ ≥ 0,9 g/cm³ bis ρ ≥ 0,8 g/cm³
- Material Float : Polyethylen
Cable
- TPK : PVC Basis
- TPKV : PVC Basis verstärkt
- PUR : Polyurethan
- NEO : Neopren
- SIL : Silikon
- FEP : Teflon
- AEM : Ethylen-Acrylat-Kautschuk
Operating temperature
- TPK(V), NEO, AEM : max.+60 °C
- PUR : max.+70 °C
- FEP, SIL : max.+80 °C
ES-20
Pressure limiter | Pressure monitor | Safety pressure limiter | Pressure regulator | electronic safety switching device
TÜV-certified, type-tested electronic safety switching device (SIL2)
Properties
- Operating voltage : 16...32 V DC (max. 5,9 W)
- Dimensions : 150 x 60 x 42 mm (L x B x H)
- Housing : Aluminium (eloxiert)
- Protection class : IP65
Approvals
- DGRL 2014/68/EU Kat:IV : Baumustergeprüft gemäß Druckgeräterichtlinie
- DIN EN12263:1998 : Kälteanlagen und Wärmepumpen Sicherheitsschalteinrichtungen zur Druckbegrenzung -Anforderungen und Prüfungen; Kategorie IV
- DIN EN378:2020 : Kälteanlagen und Wärmepumpen - Sicherheitstechnische und umweltrelevante Anforderungen
- DIN EN61508:2011 : SIL2
Operating conditions
- Pressure type : Relativdruck, Differenzdruck
- Temperature of the fluid : -40…+125 °C
- Ambient temperature : -20…+65 °C
- Parts in contact with media : Edelstahl
Connections
- Process connection Relative pressure : G 1/4 Innengewinde
- Process connection differential pressure : G 1/8 Innengewinde
- Analogue current output : 1 x 4...20 mA
- Digital inputs/outputs : Konfigurierbar als 2 x Alarm oder 1 x Alarm und 1 x Fernentriegelung
Measuring range relative pressure
- Nominal pressure : -1...500 bar variabel wählbar
- Overload pressure : 2 x Nenndruck
- Bursting pressure : 4 x Nenndruck
- Setting accuracy : 0,1 % vom Nenndruck
Measuring range differential pressure
- Nominal pressure : 0...1 mbar 0...10 mbar 0...50 mbar 0...100 mbar 0...250 mbar 0...1.000 mbar
- Overload pressure : 10 x Nenndruck
- Bursting pressure : 15 x Nenndruck
- Setting accuracy : 0,1 % vom Nenndruck
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