Cd hightech pvt. Ltd. Is the manufacturer and exporter of the digital conductivity meter. They offers model apx 185e. The model apx 185 laboratory conductivity meter incorporates a j fet controlled oscillator and eprom switching, with automatic ability to choose 100hz to 1000hz operation. It has a relative accuracy of ±1 least digit of selected range, repeatability of ±1 least digit and stability [drift/24hrs] after warm up of 30 minutes of less than 1 least digit. Its salient features are:
1 wide measurement range
2 high sensitivity
3 direct display of conductance
4 automatic temperature compensation
5 radiometric measurement
6 automatic selection of optimum frequency
7 digital readout