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Ex-QFS-3x configure
ZS-1 configure
NP-256 configure
Ex-QFS-3x
Mercury-free float switches with Ex approval
These float switches have a mercury-free switching system consisting of a microswitch and a ball which actuates this switch.
Technical Data
- Protection class EN60529 : IP 68
- Material Float : PP
- Cable : TPK (PVC Basis), PVC Basis verstärkt, Polyurethan, Silikon, Teflon, Ethylen-Acrylat-Kautschuk
- Conductor cross-section : 3x 0,75 mm², Polyurethan 3x 0,5 mm²
- Operating temperature TPK(V) : AEM Kabel max.+ 60 °C
- Operating temperature PUR cable : max.+ 70 °C
- Operating temperature SIL, FEP cable : max.+ 85 °C
- Operating pressure : max. 1 bar Zylinder| max. 2 bar Kugel
- Switching system : Mikroschalter
- Contact type : Wechsler, NO, NC
- Electrical connection data, Ex-protection : siehe EG-Prüfbescheinigung TüV 09 ATEX 555342
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- CE marking : siehe Konformitätserklärung
- Weight : ca. 200 g
Media density Ex-QFS-30
- TPK(V) cable : ρρ 0,85 g/cm³
- PUR cable : ρρ 0,95 g/cm³
- SIL cable : ρρ 0,90 g/cm³
- FEP cable : ρρ 0,95 g/cm³
- AEM Cable : ρρ 0,90 g/cm³
Media density Ex-QFS-31
- Sphere : ρρ 0,60 g/cm
Mounting position
- Ex-QFS-30 : waagerecht mit G1” Verschraubung, senkrecht mit Beschwerungsgewicht (Ex)
- Ex-QFS-31 : waagerecht mit Flansch ab DN 100 (PP)
ZS-1
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
Operating conditions
- Operating voltage : 24 VDC/AC ±10 % (0...10 V) | 15...30 VDC (4...20 mA)
- Operating temperature : -20...+50 °C
Connections
- Electrical connection : Schraubklemme im Gehäuse
- Process connection : Schlauchanschluss 4 mm oder 6 mm
- Cable gland : PG 7
Pressure measuring range
- 0...0,25mbar :
- 0...0,5mbar :
- 0...1mbar :
- 0...2,5mbar :
NP-256
Level Switch - multiple 2...4 - pneumatic (hose)
very reliable and simple
sensors for scanning liquids, in
particular when used for overflow
protection. liquids can be
aggressive, sticky or highly contaminated
Properties
- Protection class EN60529 : IP 54
- connection thread : ab G2”
- Union nut : ab G2¾”
- Container connection flange : ab DN 25
- HoseØ : 13x2 mm
- Operating temperature : +60 °C
- medium temperatur : max. +60 °C
- Contact : Wechsler
- Switching capacity : 500 VA
- Switch-on point (Viton membrane) : 150 mm WS ±30 mm
- Switch-off point (MembraneViton) : 90 mm WS ±30 mm
Material
- Hose : PVC
- Screw fitting/grommet : PVC
- flange : PVC
- Connection head : PVC
Switching voltage
- silver : max. 250 V AC
- Gold : max. 24 V AC
Switching current
- silver : max. 6 A
- Gold : max. 100 mA
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