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.
Switching current / switching voltage
:
nur zum Anschluss an KR-163... oder andere „Namur”-Relais
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. +20°...–20°
EP
Plate Electrode as Leak Detector (conductive)
with general approval for constructions and EC-Type-Examination Certificate for Ex-zone 1(Cat. 2)
Properties
Protection class EN60529
:
IP 68
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ
cable length
:
auf Wunsch
Material
Cable
:
TPK (PVC Basis)
Sensor rods
:
Edelstahl (1.4571) | Hastelloy B | Hastelloy C | Titan | Tantal | Glaskohlenstoff
Options
cable material
:
FEP (Teflon) | EX (PVC blau)
TK-315
Evaluation unit with 4 limit contacts (NO-contacts)
The TK-315 limit comparator can be used in conjunction with our TK-30... continuous level sensors with 0(4)...20 mA or 0...10 V output signal for level control/measurement.
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
Dimensions housing type B
:
22,5 x 114,5 x 99 mm
Dimensions housing type C
:
22,5 x 114,5 x 114 mm
Input
power
:
0/4...20 mA
Voltage
:
0...10 V
Resistance in three-wire circuit RG
:
0–4...10 kΩ
Output
Output contacts
:
4 Schließerkontakte
Switching voltage
:
max. 250 V AC
Switching current
:
max. 3 A
Switching capacity
:
max. 500 VA
Temperature influence tolerance
:
max. ± 0,6 % der Signalspanne
Mounting
:
Tragschiene nach EN 50022
Current output
:
4...20 mA bezogen auf die Masse des Eingangs
Display (%)
:
2-stellig, 7-Segment
Weight
:
175 g
ER-214
Electrode Relays
Electrode relays for conductive level detection for all areas in which conductive, liquid media are to be detected, controlled or monitored
Properties
Protection class EN60529 clamp
:
IP 20
Protection class EN60529 front panel housing
:
IP 40
Operating temperature
:
–20...+60 °C
Storage temperature
:
–30...+80 °C
AC nominal frequency
:
48...62 Hz
Power consumption
:
max. 1 W / VA
Weight
:
ca. 150 g
Input
Open circuit voltage
:
≤ 10 V AC
Short-circuit current
:
≤ 5 mA
Output
Contacts
:
1 potentialfreie Wechselkontakte pro Kanal
Switching voltage
:
min. 5 V | max. 250 V AC | max. 150 V DC
Switching current
:
min. 5 mA | max. cosφ=1 3A | max. cosφ=0,7 1 A/AC | max. cosφ=1
Switching capacity
:
min. 300 mW | max. 750 VA / 150 W (30 V DC / 5 A) / 18 W (150 V DC / 0,12 A)
Working / Idle current
:
umschaltbar
overvoltage category
:
EN 61010-1 Kategorie III
ZS-Serie
Differential pressure sensor for low pressure
Compact and robust differential pressure transmitter for measurement on air and other non-aggressive media
Properties
Pressure type
:
Differenzdruck
Housing
:
Aluminium
medium
:
Luft und nicht aggressive Gase
Measurement parameters
response time
:
< 2,5 s
Hysteresis
:
0,1 %
Overload capacity
:
4* fach bis 500 mbar, darüber 2* fach
Signal output selection
:
0...10 V | 4...20 mA, 2-Leiter