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Electronic Level Gauge C-Flex Series 487
Rotarex ELG C-Flex is an electronic level gauge with a highly flexible capacitive level probe for stationary tanks and cylinders. It is compatible with standard connections and features a replaceable, waterproof display that can be rotated for improved visibility.
  • Superior accuracy +/- 1% (over full scale) compared to mechanical devices
  • Direct replacement for mechanical level gauges
  • On-site calibration to FULL
  • No moving parts enhances reliability and durability
  • Plug-and-Play remote monitoring options
  • IP57-certified
Electronic Level Gauge C-Flex Series 487
Application family
Application cooking
Electrical specificationsBattery CR2032 (3V)  
Working pressure30 bar  
Accuracy / resolution+/- 1%  
Output signal0,5-4,5V ratiometric at 5V supply voltage  
WiringJWPF - 3 PINS  
materialsHousing: brass
Sensor: Stainless steel
Seal: NBR
Working temperature-25°C to +60°C  
Connection to the tankJunior head with 4 screws
1" NPT
Atex certification according toStandards: IEC 60079-0 : 2017 (Ed. 7.0) & IEC 60079-11 : 2011(Ed. 6.0)
Code (e.g. Ex II T ): II 2 G Ex ib IIB T3 Gb
Class: Ui = 8 V; Ii = 220 mA; Pi = 0,7 W; C i = 2,9 F; Li = 0,1 mH
Certified max. outboard leak rate at max. pressure≤ 1 x 10-3 mbar.l/s  
Type of gasLPG (propane, butane or mixture of these 2 gases)  
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