Polmon instruments manufactures 48-channel data logger that collects data from field instruments like temperature sensors, pressure transmitters, ph loggers and sends to the computer through rs-485 bus. The data logger has internal memory of 128 k and it stores the process data in the absence of communication. The stored data will be restored in pc after establishment of communication. Features: microprocessor based advanced data logger; display - backlit lcd for messages, channel number and parameter; alarm set facility for each channel; led alarm annunciation on front panel; documentation support to gmp, qm, iso; splash-proof membrane keypad customised print reports; 80-column printer for legible print reports; channel expandanbility by add-on cards [max 48 channels]; battery backup for real time clock/calendar; channel skipping facility; and rs 232 communication serial output.
