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Alarma de nivel por capa/ alarma de sobre flujo WGA 02-03

WGA 02/03 consists of an evaluation unit and a conductivity probe (WGA-SD) for detecting the separating layer level. WGA 03 is equipped with an additional capacitance probe (WGAAS).
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ALARMA DE NIVEL POR CAPA/ ALARMA DE SOBRE FLUJO

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APLICACION MODELO TECNOLOGIA MARCA
Alarmas Unidades de alarma WGA 02/ WGA 03   Afriso
FUNCION CODIGO SECCION
Alarma de nivel por capa/ alarma de sobre flujo 09-1003 09

Alarm units WGA 02/WGA 03 for oil, petrol and grease separators
(layer level alarm/overflow alarm).

Application
Oil, grease and petrol pose a great danger to groundwater and waste water. WGA 02 monitors the thickness of the layer of separated liquid in oil, petrol and grease separators and generates an alarm signal when it is necessary to empty the separator. WGA 03 can also detect the maximum level in the separator. 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 02 consists of an evaluation unit and a conductivity probe (WGA-SD) for detecting the separating layer level. The evaluation unit is equipped with 2 relay outputs, visual and audible alarms as well as test and re-set buttons. The WGA-SD probe is mounted below the constant level of the separator. As soon as the oil, petrol or grease layer reaches the critical level, the unit generates an alarm signal. WGA 03 is equipped with an additional capacitance probe (WGAAS). This is mounted above the constant level. An alarm is triggered when the maximum permissible level is reached. The evaluation unit monitors the connected probes and signals short circuits or cable breaks in the probe circuits.

Technical specifications WGA 02

Operating temperature range
Medium:
0 °C/+60 °C
Ambient: -25 °C/+50 °C

Probe WGA-SD (layer level)
Principle of function: conductivity Length 214 mm, Ø 25 mm

Probe cable PVC, oil resistant, length 5 m
Distance probe – evaluation unit Max. 300 m
Supply voltage AC 230 V
Power consumption Approx. 2 VA
Relay outputs, 2 voltage-free changeover contacts (1 can be reset)
Contact rating: AC 250 V/ 5 A/100 VA
Visual indication
1 green LED normal operation
1 red LED alarm / 1 red LED fault
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 gland M16

ATEX approvals
Evaluation unit:
Ex II (1) G [EEx ia] II C
Probe WGA-SD: Ex II 1 G EEx ia II A T4

Scope of delivery
Evaluation unit, probe WGA-SD, junction box, mounting accessories

Additional specifications WGA 03

Probe WGA-AS (overflow)
Principle of function:
capacitance
Length 81 mm, Ø 82 mm
Power consumption Approx. 4 VA

Visual indication
1 green LED normal operation
2 red LEDs alarm / 2 red LEDs fault

Electrical connections 5 x cable gland M16

ATEX approvals
Probe WGA-AS:
Ex II 1 G EEx ia II A T5

Scope of delivery Similar to WGA 02, but with additiobal probe WGA-AS
 

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