bids are invited for supply of ammonia tl sensor - supply of ammoniatl sensor, range 0 to 200 ppm, draeger part no. 6813095,makedraeger , aclelectrolyte kit - ac (l) electrolyte kit part no. 6809381,makedraeger , supply of electrochemical sensor hydrogen - supply of electrochemical sensor hydrogen, range 0-2000 ppm, draeger part no. 6809685, make - draeger , supply of electrochemical sensor - supply of electrochemical sensor - hydride sc, range 0-10 ppm, draeger part no. 6809980, make - draeger , supply ofchlorinecl2sensor - supply ofchlorine (cl2) sensor, range 0-10 ppm, draeger part no. 6809665,make - draeger , supply of hydrogen chloride sensor - supply of hydrogen chloride sensor (hcl) sensor, range 0-30 ppm, draeger part no. 6809640, make - draeger total quantity : 36