Dpm instruments has a wids range of products that have applications in chemical, pharmaceutical, drugs and intermediates, cold storages, textiles, plastic, petrochemical, cement, steel processing, engineering industries. The company offers a micro-controller based circular chart recorder, series mtr. Featrues: micro-controller based; calibration by software; led/lcd display; rs 232c,/rs 485pc communication port; stepper motor for chart and pointer movement; easily replaceable fibre tip disposable pens; retransmission output; and hi/low alarm relay. Technical specifications: display - 6 digit seven segment red led/8 x 1 alphanumeric lcd display with backlit/16 x 1 alphanumeric lcd display with backlit; keyboard: 4 keys tactile type; input - pt 100 sensor [three wire], all type thermocouple, vdc and ma dc; chart size - 6", 9" and 11" chart paper; chart speed - programmable, 8 hrs, 24 hrs, and 168 hrs [one week]; calibration - by keys on front panel; alarm output - high low potential free relay contact rated 6 amp at 230 vac 50 hz. For each; serial port - rs 485 or rs 232 for communication with pc [optional]; retransmission output - 4-20 ma [optional]; connection - screw type conector on back panel; cabinet - m.S. Powder coated/s.S.304; and supply - 90 to 230 v ac 50 hz [24 v dc optional].
