tender for supply of mechanical lab items , mechanical lab items , lvdt displacement measurement trainer kit: input power supply: 230v ac ±10%, 50 hz built-in regulated dc power supply: +5v dc, ±12v dc, minimum 500 ma output transducer: lvdt sensor with core and mounting arrangement displacement range: ±20 mm (total 40 mm travel) displacement mechanism: precision linear movement with calibrated scale (±20 mm) excitation supply: frequency: 4 khz (fixed) voltage: 0 - 5 v ac (variable) signal conditioning: built-in amplifier and demodulation circuit for lvdt output display: type: digital led display (3½ digit, red color) measurement: direct displacement indication in mm test facilities: front panel test points for signal observation (cro/dso compatible) zero and span adjustment controls self-contained unit in rugged enclosure with labeled panel banana sockets for input/output connections , five gas analyzer (exhaust gas) portable 5-gas exhaust analyzer for automotive lab use measurement of construction of (0-10%), co₂ (0-20%), hc (0-20000 ppm), o₂ (0-25%), nox (0-5000 ppm) gas sampling rate: 1 litre/min response time: ≤ 5 seconds warm-up time: ≤ 3 minutes display: lcd input: membrane keypad operating temperature: 0-50°c power consumption: 25 w, operates on 230v ac / battery supplied with sampling probe, filters, and carrying case