Testing & Measuring Equipment, Digital Conductivity Meter 601, 602 & 611, Microprocessor Spectrophotometer 1305, Microprocessor Spectrophotometer 1305, Microprocessor Photo Colorimeter, Water and Soil Analysis Kit, Tap Density Tester, Dissolution Test Apparatus, Microprocessor Ec-Tds-Sal Meter â 1602, Microprocessor Spectrophotometer â 2306, Microprocessor Ph System 1010, Digital Spectrophotometer 301 & 302, Microprocessor Dissolved Oxygen Meter 1801, Microprocessor Colony Counter - 1361, 1362 & 1363 ...