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QFS-40 configure
Ex-QFS-3x configure
HD-100 | HD-102 | HD-104 configure
BK-390 configure
QFSK-2X configure
QFS-40
Built-in float level switch
The QFS-40 built-in float switch is designed for low-cost monitoring of liquids in containers.
Technical Data
- Switch housing : PPH| PVDF
- Seal : NBR (PPH) | FPM (PVDF)
- Operating temperature : PPH max. 80 °C| PVDF max. 100 °C
- Operating pressure : max. 10 bar
- Mounting position : horizontal (±30° von der Horizontalen)
- Contact assembly : Schliesser-, Öffnerkontakt (je nach Einbau)
- Electrical connection : PVC-Kabel
- Switching capacity : max. 230 V AC/DC| max. 40 VA, max. 2 A
- Contact resistance : max. 80 mW
- Min. electric strength : 400 V DC / 1 s
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- fluid density : PPH > 0,6 kg/dm³ | PVDF > 0,95 kg/dm³
- Protection class : IP 68
Connections
- external installation : G ½"
- internal installation : M16
Ex-QFS-3x
Mercury-free float switches with Ex approval
These float switches have a mercury-free switching system consisting of a microswitch and a ball which actuates this switch.
Technical Data
- Protection class EN60529 : IP 68
- Material Float : PP
- Cable : TPK (PVC Basis), PVC Basis verstärkt, Polyurethan, Silikon, Teflon, Ethylen-Acrylat-Kautschuk
- Conductor cross-section : 3x 0,75 mm², Polyurethan 3x 0,5 mm²
- Operating temperature TPK(V) : AEM Kabel max.+ 60 °C
- Operating temperature PUR cable : max.+ 70 °C
- Operating temperature SIL, FEP cable : max.+ 85 °C
- Operating pressure : max. 1 bar Zylinder| max. 2 bar Kugel
- Switching system : Mikroschalter
- Contact type : Wechsler, NO, NC
- Electrical connection data, Ex-protection : siehe EG-Prüfbescheinigung TüV 09 ATEX 555342
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- CE marking : siehe Konformitätserklärung
- Weight : ca. 200 g
Media density Ex-QFS-30
- TPK(V) cable : ρρ 0,85 g/cm³
- PUR cable : ρρ 0,95 g/cm³
- SIL cable : ρρ 0,90 g/cm³
- FEP cable : ρρ 0,95 g/cm³
- AEM Cable : ρρ 0,90 g/cm³
Media density Ex-QFS-31
- Sphere : ρρ 0,60 g/cm
Mounting position
- Ex-QFS-30 : waagerecht mit G1” Verschraubung, senkrecht mit Beschwerungsgewicht (Ex)
- Ex-QFS-31 : waagerecht mit Flansch ab DN 100 (PP)
HD-100 | HD-102 | HD-104
Hydrostatic immersion probes (0.8...10mWS)
Continuous and precise level measurement in unpressurised, open basins and tanks as well as underground applications such as shafts, wells and boreholes.
Properties
- Protection class EN60529 : IP68
- Operating temperature : -10...70 °C (PVC: -10...60 °C)
- Storage temperature : -25...70 °C (PVC: -10...60 °C)
- Power supply : 15...30 V DC
- power : max. 25 mA
- Output : 2-Leiter-Technik
- Measuring range : 0,8...10 mWs (Standard)
- Overpressure : abhängig vom Messbereich
- Deviation from characteristic curve : Nichtlinearität,
- Insulation resistance : > 100 kΩ
- Short-circuit resistance : permanent
- Reverse polarity protection : keine Schädigung o. Funktion bei vertauschten Anschlüssen
Materials
- Housing : Edelstahl 1.4571, PVC, PVDF
- Measuring cell : Edelstahl 1.4404, Keramik Al2o3 96%, Keramik Al2o3 99,9%
- Seals : FKM (Viton ®), EPDM, FFKM (Kalrez ®)
- Cable : PVC, PUR, FEP (Ø8 mm; 2 x 0,25 mm2 mit Luftschlauch und PTFE-Filter
BK-390
Bistable change-over contact
Magnetically actuated changeover switch,
which permanently changes its electrical switching state as a result of a magnetic system passing by, depending on the direction of movement.
Properties
- Protection class EN60529 : IP 65
- Operating temperature : –25...+70 °C
- Wire cross-section max. : 1,5mm²
- Switching point distance between two contacts : min. 40 mm
- Switching hysteresis : ca. 10-15 mm
Material
- Housing : Polycarbonat
- Mounting clip : V2A, Kabelbinder (PP)
- Rivet : V2A
- Screw connection : M 20 x 1.5, Polyamid
Weight
- BK-390-50 : 137 g
- BK-390-63 / BK-380 : 140 g
Switching contact
- Switching voltage : 5...250 V AC/DC
- Switching current : 1mA...6 A AC/DC
- Switching capacity(min.) : 300 VA, 60 W
- Switching capacity(max.) : 5 mW
QFSK-2X
Stainless steel float switch combination
Float switch combinations QFSK for level monitoring & level control with maximum and minimum contact sensor.
Properties
- Protection class EN60529 : IP 68
- Material Float : VA 1.4571
- Material hose : Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
- rod length : max. 5 m
- Number of floats : bis 5
- Operating temperature : max. + 150 °C
- media density : ρ ≥ 0,8g/cm³
- Switching system : Reed-Schalter
- Contact : Wechsler, NO, NC
- Switching voltage : 4...250 V AC/DC
- Switching current : 1 mA ...1 A
- Switching capacity : max. 1A, 60 VA/60 W
- Switching hysteresis : ca. 100 mm
- Switching angle : ca. + 20° / – 20°
- Ex-protection : optional; IBExU10ATEX 1089
- Operating pressure WFSK-25 : max. 15 bar
- Operating pressure QFSK-26 : max. 6 bar
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