Mechanical department Lab Items-I

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 CO (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