supply of microprocessor based ultrasonic thickness guage.microprocessor based ultrasonic thickness guage.,microprocessor based ultrasonic thickness gauge (with lcd type display),display resol ution: 0.1 mm including (a) dt-201-standard probe: dual type for general purpose applications. (frequency : 5 mhz, contact face dia: 12.5 mm) (test range: 2-200mm in steel) (b) dt-231-probe cable (double, co- axial, 1.5 met. length, with lemo plugs) (c) dt-273-carrying/storage case(special, foam fitted wooden case ) (d) et-271-protective instrument cover (e) et-341-rechargeable ni-mh batteries (qty: 2 set) (1 set = 2 n os.) (f) et-245-battery charger for et-341 above. (g) - operation manual (h) test and calibration certificat e with traceability to nabl. (2) dt-212 - special high frequency probe for use on low diameter pipes and lo w thicknesses(frequency: 10 mhz., crystal size dia:5.0 mm) (3) vw (2-10) reference step block(9 steps fro m 2 mm to 10 mm thickness, of m.s. material, with wooden box) [ warranty period: 12 months after the date of delivery ] ] => limited