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°
PPS-390
PPH float with magnet insert
for actuating monostable and bistable contacts
Variants
32
:
AußenØ 26 x 180 mm, für RohraußenØ 32 u. 34 mm Gewicht ca. 38 g
37
:
AußenØ 29,5 x 170 mm, für RohraußenØ 40 mm (PN 16) Gewicht ca. 62 g
40
:
AußenØ 40 x 165 mm, für RohraußenØ 50 mm Gewicht ca. 145 g
50
:
AußenØ 50 x 125 mm, für RohraußenØ 63 mm Gewicht ca. 156 g
PVS-390
PVC float with magnet insert
for actuating monostable and bistable contacts
Variants
40
:
AußenØ 40 x 165 mm, für RohraußenØ 50 mm Gewicht ca. 145 g
50
:
AußenØ 50 x 125 mm, für RohraußenØ 63 mm Gewicht ca. 156 g
XR-6x0 | XR-6x1
Contact protection relay Measuring transducer
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 / max. 50 W
Overfill protection for containers with Ex approval
Level sensors type T-20_.F... are
approved by the DIBt (German
Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids.
Connection
Box
:
Ex-Polyester
Box
:
Ex-Aluminium
Properties
Protection class EN60529
:
IP 65
connection thread
:
G2"
Union nut
:
G 2¾"
Guide tube length
:
max. 6 m
Operating temperature
:
-20…+60 °C
Operating pressure
:
max. 6 bar je nach Ausführung
media density
:
ρ ≥ 0,72 g/cm³ (je nach Schwimmertyp)
Switching hysteresis
:
2 mm
Switching point tolerance
:
max. 2 mm
Resistance value
Operational readiness
:
ca. 1 kΩ
overfill alarm
:
ca. 12 kΩ
Switching time
:
ca. 20 ms
Ex-protection
:
siehe Baumusterprüfbescheinigung
CE marking
:
siehe Konformitätserklärung
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 %
Our application engineers advise you
personally, comprehensively and professionally!