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TK-101 EX configure
TK-312 configure
BK-390 configure
XR Relais
Electrode relays and contact protection relays
The electrode relays are used for conductive level detection.
levels. The possible applications extend
areas where conductive, liquid media are to be detected, controlled
to be detected, controlled or regulated. Hereby
level detection (overflow / dry run) as well as minimum / maximum
as well as minimum / maximum controls can be realised.
The contact protection relays are universal measuring transducers, which
input signals (resistance values) with "Namur" specification (DIN EN 60947).
Namur" specification (DIN EN 60947) into switching signals of floating
output contacts.
Protection class EN60529
- clamp : IP20
- Housing : IP40
Technical Data
- Operating temperature : -20...+60 °C
- Storage temperature : -30...+80 °C
- Output contacts : potentialfrei
- Switching voltage : min. 5 V | max. 250 V AC / 150 V DC
- Switching current : min. 5 mA | max. 5 A AC / 5 A DC
- Switching capacity : min. 300 mW | max. 100 VA / 50 W
- Quiescent current : umschaltbar
- Weight : ca. 250 g
- CE marking : siehe Konformitätserklärung
- Ex-protection/IECEx : siehe Prüfbescheinigung
TK-101 EX
Measuring transducer (R/I-transducer)
The measuring transducer Tk101 and Tk101Ex are built directly into the connection boxes of our Liquid Level Measuring Instruments of type TK-30.
Properties
- Operating temperature : -20...+60 °C
- Storage temperature : -40...+80 °C
- Ex-protection : siehe Zertifikat
- CE marking : siehe Konformitätserklärung
Input
- Resistance range in three-wire circuit : 4...10 kΩ
- Measuring current : 0,8 mA @ RE = 4 kΩ
- Measuring current : 0,33 mA bei RE = 10 kΩ
- Measuring voltage : 3,3 V
Supply/Output
- 2-wire : 4...20 mA
- Voltage(Um) : 11...28 V DC
- Burden / load : 0...800 Ω |RBürde max = [(Um - Um min) / 0,02] Ω
- Output signal in case of error : max. 24 mA
Fault influences
- Max. Total error : ± 1 %
- Temperature influence : -0,015 % / °C
- Supply voltage influence : 0,025 % / V
Setting range
- Full deflection : 60...105 %
- Zero point adjustment : 0...25 %
T204-0.F
Immersible Magnetic Probe for Ex Zone 0 (Cat. 1)
The T20... magnetic immersion probes are used to detect fill level limits in containers for liquid media, where an explosive atmosphere of Zone 0 (Cat. 1) exists in the gas space above the liquid and an Ex-Zone 1 (Cat. 2) exists outside the container in the area of the junction box.
Properties
- connection : Kabel PUR blau
- Protection class : IP 68 Dose
- number of floats : max. 4x
- Operating temperature : max. 135 °C
- F-Contact : 1 / 12 kΩ
- Number of additional contacts : max. 3x Wechsler | 5x Schließer | 3x Öffner
- Switching current : 1 A, 2 A (nur mit Schirmung)
- Switching voltage : 230 V AC
Float
- Stainless steel ball 61 mm Ø : max. 20 bar | 0,65 g/cm³
- min. contact gap type 04 : 85 mm
Switching contacts and switching capacity
- Changeover contact : max. 3x | 60W/VA
- normally open : max. 5x | 100 W / VA
- Normally closed contact : max. 3x | 60 W/VA
T209-0
Immersible Magnetic Probe made of PVC, PE, PPH, PTFE or stainless steel (1.4571)
Magnetic immersion probes for use with highly aggressive liquid media for detecting level limits in containers
Properties
- connection : PO-Dose oder AA-Dose
- Protection class : IP 65 Dose
- Float type : max. 6x Kugel Edelstahl 105 mm Ø
- Sliding tube length : max. 6000 mm
- Operating temperature : max. 135 °C
- Operating pressure : max. 20 bar
- media density : 0,54 g/cm³
- Number of contacts : max. 7x Wechsler / max. 10x Schließer / 7x Öffner
- Switching current : 1A, 2A
- Switching capacity : Wechsler 60W/VA | Schließer 100 W/VA | Öffner 60 W/VA
- min. contact distance with several floats : 125 mm
TK-312
Evaluation unit with 0/4... 20 mA current output
The TK-312 measuring transducer converts the resistance signal supplied from a continuous level sensor into a current signal proportionate to the level.
Properties
- Protection class EN60529 clamp : IP 20
- Protection class EN60529 front panel housing : IP 40
- Operating temperature : –20...+60 °C
- nominal voltage : 24... 230 V AC/DC
- Power consumption : 2 VA, 2W
- Dimensions housing type B : 22,5 x 114,5 x 99
- Dimensions housing type C : 22,5 x 114,5 x 114
Input
- Voltage : 0...10 V
- Resistance in three-wire circuit RG : 0-4...10 kW
Output
- Temperature influence tolerance : max. ± 0,6 % der Signalspanne
- Current output : 0/4... 20 mA bezogen auf die Masse des Eingangs
- Voltage output : 0/2... 10 V
- Mounting : Tragschiene nach EN 50022
- Weight : 175 g
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 % )
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
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