Applied research & engineering manufactures microcontroller based digital indication systems for a variety of applications. These digital indicators include peak hold load indicators, load displacement indicators, leakage indicators, pressure indicators, etc. It makes interfacing facility with pcs possible. Also, these digital indicators can be provided with accept/reject indication facility and with 24 column alphamumeric printout system. Suitable programming facility is provided for these indicators using membrane keypad system. These indicators are also manufactured to suit any special requirements, as also custom built logic circuits for controlling/sequencing of individual machine operation.