General
■ Contactless measurement of rotational or linear movements
■ One or two channel speed sensor
■ Magnetic measurement principle
■ Optionally available with EC type-examination certificate
II 2G EX ib IIB T4 Gb BVS 07 ATEX E 030
IECEx BVS 15.0034
Features
■ Can be used under very harsh conditions
■ Detect speed between 0 Hz and a maximum of 20 kHz
■ For target wheels with a module of 1.0 to 3.5 or measuring
rods with 4.0 mm pitch
■ Very precise duty and phase shift of the output signals
■ Robust stainless steel housing
■ Very high protection class IP 68
■ Wide temperature range -40 °C to + 85°C (ATEX ) or
-40 °C...+120°C without ATEX certificate
Fields of application
■ Measurement of speed and positions at gears, motors and
roller
■ Position detection of piston rods
■ Speed and position detection in explosion-harzadous areas
Technical data - GEL 2478
Fields of application - Measurement of speed and positions at gears, motors and rollers,
position detection of piston rods, speed and position detection in explosion-harzadous areas
Supply voltage (with ATEX certificate) - 10 to 28 V DC
Supply voltage - 10 to 30 V DC
Measuring frequency - 0 Hz to 20 kHz
Signal - Voltage output
Temperature range (with ATEX certificate) - -40 °C to +85 °C
Temperature range - -40 °C to +120 °C
Protection class - IP 68
Number of channels - up to 2
Module m of target wheel - 1 to 3.5
Messuring rod - pitch 4.0 mm
Material of target wheel / measuring rod - ferromagnetic steel
Air gap target wheel - 0.2 mm to 3 mm depending on the module
Air gap measuring rod - 0.2 mm to 1 mm