supply of instruments water testing laboratory block ratlam dist. p.h.e.d. ratlam , orion fluoride electrodes combination ion selective electrode. 1. for use with (equipment) ph/ise meters. 2. filling solution type 900061 (9609bnwp and 960900); 900001 with 900100 single junction reference electrode (9409bn, 9409sc and 940900), make - orion , ph electrode for ph meter model 362, make - systronics with temperature sensor pt-100. , conductivity electrode forconductivity meter model 308, make -systronics with sensor. , membrane fillter assembly 250ml cap. with hand operated vaccume pump, 20 inch hg, 15 cc stroke rate and 7 psig pressure, make- tarson, polylab, microlit. , cuvettes & cells for spectrophotometer quartz quvette standard cell with lid pathlenth 10mm dimension 4.5x12.5x12.5 , turbidity meter, model-135, 0.1-1000 ntu, with accessories. make -systronics