Float switch combinations QFSK for level monitoring & level control with maximum and minimum contact sensor.
Properties
Protection class EN60529
:
IP 68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
rod length
:
max. 5 m
Number of floats
:
bis 5
Operating temperature
:
max. + 150 °C
media density
:
ρ ≥ 0,8g/cm³
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, NC
Switching voltage
:
4...250 V AC/DC
Switching current
:
1 mA ...1 A
Switching capacity
:
max. 1A, 60 VA/60 W
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. + 20° / – 20°
Ex-protection
:
optional; IBExU10ATEX 1089
Operating pressure WFSK-25
:
max. 15 bar
Operating pressure QFSK-26
:
max. 6 bar
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
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
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
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