IFM KB-2020-ABOA (KB0041) Capacitive Sensor

IFM KB-2020-ABOA (KB0041) Capacitive Sensor. sensor has cracked back plate, in original box. Info on Device: KB-2020-ABOA KB0041 s: 4-20mm einsteallbar U: 20-250V AC/DC | 45-65Hz bei AC I: 350mA AC/100mA DC Manufacturer's Description: Product characteristics Output function: normally open Sensing range [mm]: 3...20 Housing: tubular Dimensions [mm]: à 34 / L = 81 Electrical data Operating voltage [V]: 20...250 AC/DC Protection class: II Reverse polarity protection: no Outputs Output function: normally open Max. voltage drop switching output DC [V]: 8 Max. voltage drop switching output AC [V]: 10 Minimum load current [mA]: 5 Max. leakage current [mA]:2.5 (250 V AC) / 1.7 (110 V AC) / 1.5 (24 V DC) Permanent current rating of switching output AC [mA]: 200; (for UL application: 250 / 100 DC) Permanent current rating of switching output DC [mA]: 200; (for UL application: 250 AC / 100 DC) Short-time current rating of switching output [mA]: 1500; (20 ms / 0,5 Hz) Switching frequency AC [Hz]: 25 Switching frequency DC [Hz]: 40 Short-circuit proof: no Overload protection: no Monitoring range Sensing range [mm]: 3...20 Sensing range adjustable: yes Factory setting sensing range [mm]: 20 Real sensing range Sr [mm]: 20 ± 10 % Operating distance [mm]: 0...16.2 Accuracy / deviations Correction factor: glass: 0.4 / water: 1 / ceramics: 0.2 / PVC: 0.2 Hysteresis [% of Sr]: 1...15 Switch-point drift [% of Sr]: -15...15 Operating conditions Ambient temperature [°C]: -25...70 Protection: IP 65 Increased immunity: yes; (Increased immunity to conducted radio frequency interference) ALL QUESTIONS AND OFFERS WELCOME