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NP-25X configure
ViscoScope® VA-100 configure
Ex-QFS-3x configure
PVS-390 configure
NP-25X
Pneumatic level switch
Reliable & simple probe for sensing aggressive, sticky or heavily contaminated liquids, especially suitable as overflow protection.
Properties NP-250 | NP-252
- Connection head : PA
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : PVC
- Material Screw connection : PVC
- Material flange : PVC
- Hose Ø : 16 mm / 25 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +60 °C
- Contact : Wechsler
- Switching voltage silver : 250 V AC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
Properties NP-251 | NP-253
- Connection head : PS
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : 1.4571
- Material Screw connection : 1.4571
- Material flange : 1.4571
- Hose Ø : 15 mm / 28 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +90 °C
- Contact : Wechsler
- Switching voltage silver : 250 VAC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
ViscoScope® VA-100
Inline Viscometer
Maintenance-free inline viscosity sensor for precise and reliable real-time measurement of viscosity directly in the process.
Properties
- Material : 1.4571 / 1.4404 (316Ti / 316L)
- Protection class : IP65
- Process temperature : -10°C … +130°C | (integriertes Pt100 im Messfühler)
- max. process pressure : Vakuum ... 64 bar
- Process connections : NPT | M48 | Varivent® | Tri-Clamp
- Cable length sensor - transmitter : Max. 1.000 Meter
- max. flow velocity : 5 m / sec
- Ex approval : II 1/2G Ex ia IIC T6...T3 Ga/Gb | (optional)
Sensor types
- Sphere : VA-100B
- Cylinder : VA-100C
Repeatability
- VA-100B : ± 0,5% | ± 1 Digit
- VA-100C : ± 0,3% | ±1 Digit
Measuring ranges
- VA-100B : 0,1 - 2.500 mPa·s x g/cm³
- VA-100C : 10 - 25.000 mPa·s x g/cm³
Probe dimensions
- VA-100B : Ø 32 x 145 mm
- VA-100C : Ø 32 x 120 mm
installation positions
- Reservoir :
- tanks :
- Pipe :
- flow cell :
- Installation is position-independent :
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)
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
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