SKF 655-41261-1, Руководство по эксплуатации

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4
EN
4. Technical data
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951-181-014-EN
Version 16
4.8 Capacitive sensors
Assignment to a certain pump type, see table 4.1 Overview of pump variants
Part numbers 664-34621-2 (aligned for grease) / 664-34621-5 (aligned for oil)
A/D
D | part number 664-34621-3 (like 664-34621-2, but with 10 m connection cable)
Rated operating distance Sn
flush installation
5 mm
Explosion protection marking
II 2G EX ia IIC T6 Gb
non-flush installation 7.5 mm II 1D EX ia IIIC IP 67 T 115 °C Da
Secured switching distance (0.72 x Sn) mm Design Threaded tube M 18 x 1
Hysteresis 1…..20 % Dimensions 74 mm
Temperature drift ≤ ± 20 % Housing material Plastic PA12-GF30
Repeatability ≤ 2 % Material of active surface Plastic PA12-GF30
Ambient temperature -25 °C - +70 °C Admissible pressure onto front closing cap ≤ 6 bar
Voltage nominal 8.2 VDC Max. tightening torque of housing nut 2 Nm
Current consumption, not activated ≤ 1.2 mA Connection Cable
Current consumption, activated ≥ 2.1 mA Cable quality Ø 5,2 LiYY, PVC, 2 m /10 m
Switching frequency 0.1 kHz Cable cross section 2 x 0.34 mm
2
Output function 2-wire NAMUR Vibration resistance 55 Hz (1mm)
Internal capacity (Ci) 150 nF Shock resistance 30 g (11ms)
Inductivity (Li) 150 µH Degree of protection IP 67
Approvals KEMA 02 ATEX 1090X MTTF 448 years following SN 29500 40 °C
Fine adjustment Potentiometer Switching status display LED, yellow
60
70
M18 x 1
Pot.
LED
74
Connection diagram