Overfill alarm systems Level sensor GWG 83/84 for outdoor tanks as per EN 13616 (TRbF 511/512) To be used as part of a control chain for overfill alarm systems to avoid overfilling of tanks. For tanks as per DIN 6608, 6616, 6617, 6619, 6624 and TGL 5315. GWG 83 also for tanks as per DIN 6623. Suitable for fuel oil EL, diesel fuel and petrol. See the operating instructions for additional information. PTC thermistor type level sensor consisting of height-adjustable probe and screw fitting. Pressureand vacuum-tight. PTC thermistor type level sensor consisting of height-adjustable probe, screw fitting, junction box at the upper end of the tube and and GWG fitting for wall mounting. Pressure- and vacuumtight. GWG 84 - UVT-R with telescopic tube for height adjustment of the GWG connection fitting. When selecting a level sensor, please check to see that the fitting is as close as possible to the access chamber cover – the distance should be no less than 20 mm and no more than 300 mm. See the operating instructions for the adjustment depth in the tank. Technical specifications When selecting a level sensor, please check to see that the fitting is as close as possible to the access chamber cover – the distance should be no less than 20 mm and no more than 300 mm. See the operating instructions for the adjustment depth in the tank. Operating pressure in the tank No pressure Material GWG fitting: Probe tube: Screw fitting: PTC thermistor: Operating temperature range Medium: -25/+50 °C Ambient: -25/+70 °C Operating pressure in the tank No pressure Please enquire for coded inserts for QSS and filling hose safeguard (ASS). Process connection Screw fitting G1 Operating temperature range Medium: -25/+50 °C Ambient: -25/+70 °C Probe length From 400 to 1,000 mm, see ordering table Process connection Screw fitting G1 See page 60 for prices and versions Probe length From 400 to 1,000 mm, see ordering table Material Junction box: Probe tube: Screw fitting: PTC thermistor: Brass Brass Brass Stainless steel-encapsulated Approvals Technical Approval of the German Institute for Building Technology: Z-65.17-363 EC Type Examination Certificate: TÜV 03 ATEX 2033 Ex II 1G Ex ia IIB T3 Brass Brass Brass Stainless steel-encapsulated Approvals Technical Approval of the German Institute for Building Technology: Z-65.17-363 EC Type Examination Certificate: TÜV 03 ATEX 2033 Ex II 1G Ex ia IIB T3

Overfill alarm systems Level sensor for outdoor tanks GWG 81-D-Ex special length R Extra charge per 100 mm GWG 81-D-Ex special length W Extra charge per 100 mm Please enquire for coded plug inserts for QSS and filling hose control system (ASS).