Measuring principle    Sensor program    Signal conditioning electronics    Strain gauge - Application    Strain gauge - Signal amplifier 19" Chassis 1/2-19" Modular chassis with power supply, I-W-A/EN4 (42TE) power supply 230/115VAC 50/60Hz; ±15VDC, 5VDC slots for 5 plugins 19" Modular chassis with power supply, I-W-A/EN8 (84TE) power supply 230/115VAC 50/60Hz; ±15VDC, 5VDC slots for 10 plugins I-W-A/EN8