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NP-256 configure
ZS-1 configure
EE-24 configure
Ex-BK configure
ViscoScope® VA-300 configure
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
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 :
EE-24
Ex-Electrode-single with integrated safety barrier
When using a threshold detection electrode with integrated safety barrier, exceeding or falling below a threshold in conductive fluids in Ex-Zone 0 (category 1) can be detected.
Properties
- connection thread : G 1/2” Standard | G 3/4” | G1”
- Cable : TPK (Standard) | SIL (Silikon) | FEP (Teflon)
- rod length : max. 6.000 mm
- Operating pressure : max. 40 bar
Material
- electrode body : Edelstahl 1.4571
- Process connection : Edelstahl 1.4571
- Coating : PTFE
- electrode rod : Edelstahl 1.4571
- on request : Hastelloy C | Tantal
Ex-BK
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 : –20...+120 °C
- Wire cross-section max. : 1,5mm²
- Switching point distance between two contacts : min. 40 mm
- Switching hysteresis : ca. 10-15 mm
- Dimensions : 80 mm x 75 mm x 57 mm
Material
- Housing : Aluminium
- Mounting clip : V2A
- Rivet : V2A
- Screw connection : M 20 x 1.5, V2A
Weight
- BK-390-50 : 137 g
- BK-390-63 / BK-380 : 140 g
Switching contact
- Switching voltage : 24...250 V AC/DC
- Switching current : 20 mA...6 A AC/DC
- Switching capacity(min.) : max. 500 VA, 60 W
- Switching capacity(max.) : min. 2 VA/W
ViscoScope® VA-300
Maintenance-free inline process viscometer for real-time viscosity measurement
The ViscoScope® sensors are made of high-quality, first-class stainless steel and impress with their intelligent, robust design.
Properties
- Protection class : IP65
- Material : 1.4571 / 1.4404 (316Ti / 316L)
- Process temperature : -40°C … +450°C
- Process pressure : Vakuum ... 450 bar
- Process connections : DIN Flansch | ANSI Flansch | NPT | Varivent® | Tri-Clamp
- Cable length sensor - transmitter : max. 1.000m
- max. flow velocity : 10 m / sec
- Ex approval : (optional) II 1/2G Ex ia IIC T6...T3 Ga/Gb
- Material (optional) : Hastelloy C22, Duplex 2205, Teflon
Sensor types
- big cylinder : VA-300L
- small cylinder : VA-300M
- Sphere : VA-300H
- small sphere : VA-300X
Measuring range
- VA-300L : 0,1 - 2.500 mPa·s x g/cm³
- VA-300M : 1 - 25.000 mPa·s x g/cm³
- VA-300H : 0,01...250 Pa·s x g/cm³
- VA-300X : 0,1...2.500 Pa·s x g/cm³
Probe dimensions
- VA-300L : Ø 32 x 190 mm
- VA-300M : Ø 32 x 165 mm
- VA-300H : Ø 32 x 130 mm
- VA-300X : Ø 19 x 115 mm
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