supply of instruments water testing laboratory block jaora, sailana dist. p.h.e.d. ratlam , micro controller based ph meter with electrode and temp probe and with accessories .range 0-14 , resolution 0.001 ph, aquracy +- 0.002 ph on +- 1 digit.calibration 2 / 3 / 5.standard buffer :-1.679, 7.000, 4.004 or 9.183, 12.454. one yearwarranty as per condition of manufacturer.make: systronics 362, orion, hech, e merck, metler with nabl calibration , micro controller based conductivity -tds meter . conductivity range 0.1 micro mhose to 200 ms.with 6 decadic range.aquarcy +-1 % of fs +- 1 digit, resolution 0.001 micro mhose. tds range 0.1 ppm to 200ppt in 6 decadic range, auarcy +-15 of fs +- 1 digit.one yearwarranty as per condition of manufacturer. make: systronics 308, orion, hech, e merck, metler with nabl calibration , electronic pipette filling instrumentmake- microlit, tarson , hot plate 12 x 18 2 kw lab tech, qwine well