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EF 3…5 24 V configure
Ex-QFS-3x configure
QFS-5x | QFS-6x configure
HD-100 | HD-102 | HD-104 configure
EF 3…5 24 V
Conductive electrodes with 24 V DC direct connection
The conductive electrodes EF3...5 are approved by the "DIBt" as overfill prevention devices for liquids hazardous to water.
Properties
- connection : integrierter Anschlusskopf
- Protection class : IP 65
- connection thread : G 1¼"
- Material Screw connection : PPH
- Material electrode rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal
- material coating : PTFE
- Coating length : voll = ganzer Stab (10 mm am Stabende sind blank) teil = ca. 250 mm von oben
- Rod diameter : 4 mm, 6 mm
- rod length : max. 6 m
- Operating temperature : 85 °C
- Operating pressure : atmosphärisch
- Spacer : ab Länge > 1000 mm je 1000 mm 1 Abstandshalter
Properties electronic part
- Operating temperature : –20...+85 °C
- Storage temperature : –30...+85 °C
- nominal voltage : 24 V DC ± 15%
- Power consumption : max. 2 W (Klemme A1, A2)
- Switching voltage : max. 250 V AC, 150 V DC min. 5 V DC (Relais mit Kombi-Goldkontakten)
- Switching current : max. 3 A AC, 3 A DC min. 1 mA
- Switching capacity : max. 750 VA, 150 W
- Sensitivity : 3k ... 100 kΩ in vier Stufen (3 k, 10 k, 30 k, 100 kΩ) wählbar
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)
QFS-5x | QFS-6x
Teflon float switch for all kinds of liquids up to 150°C
The float of the QFS-50 and QFS-60 float switches is made of Teflon. Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.
Technical Data
- Material : PTFE (Teflon)
- connection cable : Silikon, Teflon
- Operating temperature : max. +150°C
- Operating pressure : 1 bar
- media density : ρ ³ 0,75 g/cm³
- Switching system : Reed-Schalter
- Contact : Wechsler, NO, NC
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- Ex-protection optional : Elektrische Daten siehe EG-Prüfbescheinigung IBExU10ATEX 1089
Reed contact
- Switching current : 1 mA ... 1 A
- Switching voltage : 24 ... 250 V AC/DC
- Switching capacity : Max. 1A, 60 VA / 60 W
- Switching hysteresis : ca. 100 mm
- Switching angle : ca. +20°...–20°
Namur circuit (1kΩ/12kQ)
- Switching current / switching voltage : nur zum Anschluss an KR-163... oder andere „Namur”-Relais
- Switching hysteresis : ca. 100 mm
- Switching angle : ca. +20°...–20°
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
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