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OAA-300 configure
EF 3…5 24 V configure
QFS-5x | QFS-6x configure
OAA-300
Alarm Indicator (Measuring Transducer) with general approval for construction
Our alarm indicators type OAA-300 are stand-alone signaling devices with optic and acoustic alarm indication.
Properties
- Protection class EN60529 : IP 65
- Operating temperature : – 20…+60 °C
- Storage temperature : – 30…+80 °C
- Sensitivity : bei konduktiver Messung: 3, 10, 30, 100kΩ
- Dimensions : 170 x 190 x 85 mm
- Weight : ca. 0,8 kg
Control circuits
- Open circuit voltage : max. 10 V DC
- Short-circuit current : max. 10 mA
- Switching delay : ca. 0,5 s
Power supply
- nominal voltage : 230 V AC (optional 24, 115, 240 V AC 24 V DC
- Nominal frequency : 48...62 Hz
- Power consumption : max. 3 W/VA
Output
- Switching voltage : max. 250 V
- Switching current : max. 3 A
- Switching capacity : max. 500 VA | max. 50 W
- Volume : 75 dB
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
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°
DSM2420
Sensor for simultaneous measuring flow velocity and filling level
The DSM2420 sensor is a combined sensor for simultaneous measuring flow velocity and level in open or accessible closed channels of all types and shapes.
Properties
- Dimensions : 180 x 48 x 36,5 mm ( L x B x H )
- Weight : ca. 1,5 kg
- Protection class : IP68
- Cable length (standard) : 15 m
- Bending radius : > 10 x D (Kabeldurchmesser 6,25mm) = > 62,5mm
- Temperature range : 0°C ... 50°C
- Mounting shoe material : V2A 1,5mm
Certificates
- EX / ATEX : IBExU 04 ATEX 1256
Measuring principle
- Flow velocity: Ultrasonic Doppler :
- Filling level: Differential pressure :
Flow velocity
- Measuring range : 0,01 - 4 m / s
- Measuring accuracy : +/- 5 % vom Momentanwert im Kanal
- Temperature drift : 0,1% / °C ( Meßspanne )
- Temperature drift : 0,05% / °C ( Nullpunkt )
- Output signal : 4 - 20 mA
Filling level
- Measuring ranges : 0 –1 m ; 0 – 2 m ; 0 – 4 m
- Measuring accuracy : < 0,2% v.E. Summe aus Nichtlinearität, Hysterese und Wiederholbarkeit
- Temperature drift : 0,005% / °C v.E. Meßspanne
- Temperature drift : 0,005% / °C v.E. Nullpunkt
- Material : Al2O3 (96%) aktive Fläche
- Output signal : 4 – 20 mA
- Zero point : norm 4 mA ( +/- 3 % )
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