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Alarma de nivel por capa/ alarma de sobre flujo - WGA 01

WGA 01 consists of an evaluation unit, a capacitance probe (WGAES4) for detecting the layer level as well as an optional additional PTC thermistor probe (WGA-R6) for detecting the maximum level (overflow alarm).
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ALARMA DE NIVEL POR CAPA/ ALARMA DE SOBRE FLUJO

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APLICACION MODELO TECNOLOGIA MARCA
Alarmas Unidad de alarma WGA 01   Afriso
FUNCION CODIGO SECCION
Alarma de nivel por capa/ alarma de sobre flujo 09-1002 09

Alarm unit WGA 01 for oil and petrol separators
(layer level alarm/overflow alarm).

Application
Oil and petrol pose a great danger to groundwater and waste water. WGA 01 monitors the level of the separated liquid in oil/petrol separators and generates an alarm signal when it is necessary to empty the separator. In addition, the maximum level in the separator can be detected. This prevents overfilling caused by clogged outlets or other circumstances. The unit prevents harmful substances from being discharged into the mains drainage system.

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Description
WGA 01 consists of an evaluation unit, a capacitance probe (WGAES4) for detecting the layer level as well as an optional additional PTC thermistor probe (WGA-R6) for detecting the maximum level (overflow alarm). The evaluation unit is equipped with 2 relay outputs, visual and audible alarms as well as test and re-set buttons. The WGAES4 probe is mounted at least 150 mm below the constant level of the separator. As soon as the oil or petrol layer reaches the critical level, the unit generates an alarm signal. By installing an additional optional WGA-R6 probe above the constant level, the maximum permissible level in the separator can also be detected. The evaluation unit monitors the connected probes and signals short circuits or cable breaks in the probe circuits.

Technical specifications

Operating temperature range
Medium:
0 °C/+40 °C
Ambient: 0 °C/+40 °C

Probe WGA-ES4
Principle of operation: capacitance Length 220 mm, Ø 25 mm

Probe WGA-R6 (option)
Principle of operation: PTC thermistor Length 100 mm, Ø 22 mm

Probe cable Cable length 5 m
Distance probe – evaluation unit Max. 200 m
Supply voltage AC 230 V
Power consumption Approx. 4 VA

Relay outputs
Relay contacts, voltage-free changeover contacts (cannot be reset) 1 x for layer level 1 x for overfilling (overflow alarm)
Contact rating: AC 250 V/5 A/ 100 VA

Visual indication
1 green LED layer level (normal)
1 green LED overflow (normal)
1 red LED layer level (alarm)
1 red LED overflow (alarm)

Audible alarm Integrated piezo-buzzer, re-settable
Operational test Integrated test button
Housing Wall mounting housing made from impact resistant plastic (polycarbonate) W x H x D: 175 x 125 x 75 mm
Protection IP 65 (EN 60529)
Electrical connections 4 x cable glands

ATEX approvals
Evaluation unit:
Ex II (1) G [EEx ia] II B
Probes: WGA-ES4: Ex II 1 G EEx ia II A T4 WGA-R6: Ex II 1 G EEx ia II A T3

Scope of delivery Evaluation unit, probe WGA-ES4

Optional

  • Probe WGA-R6

 

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