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VS-D250 configure
OAA-300 configure
EF 3…5 24 V configure
XR Relais configure
NP-25X configure
VS-D250
Transmitter for ViscoScope viscosity sensors
Maximum flexibility for an optimal choice of measuring instrument: The VS-D250 transmitter is compatible with all ViscoScope® sensors of the types VA-100 and VA-300.
Properties
- Output card socket : 2
- External input : 0/4…20 mA | 0/2…10 V DC
- Power supply : 24V DC, 12 W
- Dimensions : 142 x 106 x 73 mm (L x B x H)
- Front : RS232, MODBUS RTU (Standard)
Display and Operation
- Lines : 4
- Pages : 2
- Character set : alphanumerisch
- Buttons : 3 (front)
Alarms
- system function :
- sensor diagnosis :
- Coil Temperature :
- 2 configurable LEDs :
optional outputs
- 0/4…20mA | 0/2…10V DC (active) :
- RS232 | RS485 :
- 2 SPDT-Relays: RS232 | RS485 :
Filter
- Moving average (200 measured values) :
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
EF 3…5 24 V
Conductive electrodes with 24 V DC direct connection
The conductive electrodes EF3...5 are approved by the "DIBt" as overfill prevention devices for liquids hazardous to water.
Properties
- connection : integrierter Anschlusskopf
- Protection class : IP 65
- connection thread : G 1¼"
- Material Screw connection : PPH
- Material electrode rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal
- material coating : PTFE
- Coating length : voll = ganzer Stab (10 mm am Stabende sind blank) teil = ca. 250 mm von oben
- Rod diameter : 4 mm, 6 mm
- rod length : max. 6 m
- Operating temperature : 85 °C
- Operating pressure : atmosphärisch
- Spacer : ab Länge > 1000 mm je 1000 mm 1 Abstandshalter
Properties electronic part
- Operating temperature : –20...+85 °C
- Storage temperature : –30...+85 °C
- nominal voltage : 24 V DC ± 15%
- Power consumption : max. 2 W (Klemme A1, A2)
- Switching voltage : max. 250 V AC, 150 V DC min. 5 V DC (Relais mit Kombi-Goldkontakten)
- Switching current : max. 3 A AC, 3 A DC min. 1 mA
- Switching capacity : max. 750 VA, 150 W
- Sensitivity : 3k ... 100 kΩ in vier Stufen (3 k, 10 k, 30 k, 100 kΩ) wählbar
XR Relais
Electrode relays and contact protection relays
The electrode relays are used for conductive level detection.
levels. The possible applications extend
areas where conductive, liquid media are to be detected, controlled
to be detected, controlled or regulated. Hereby
level detection (overflow / dry run) as well as minimum / maximum
as well as minimum / maximum controls can be realised.
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 / 50 W
- Weight : ca. 170g
- CE marking : siehe Konformitätserklärung
- Ex-protection/IECEx : siehe Prüfbescheinigung
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
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