Arun manufactures true rms digital multimeter model dm-454 which has 4-1/2 digit liquid crystal display [lcd]display with a maximum reading of 19999. These multimeters come with salient features of automatic polarity, positive implied, negative polarity indication; over range - [1] or [-1] is displayed; low battery indications, auto power off; measurement rate 2.5 times/second, nominal operating environment 0°c to 50°c at 70% r.H, storage temperature 20°c to 60°c, 0 to 80% r.H with battery removed from meter. The true rms digital multimeter model dm-454 have technical specifications such as 197.5 [h] x 90 [w] x 44 [d] mm dimensions and approx 400g weight including battery. The company offers multimeters with equipments such as one pair tost leads, one spare fuse, 9 v battery [installed] and operating instructions. These multimeters offer safety designed to model iec 1010.1, cath iii 1000v, class 2 and pollution deg 2 indoor use comply with ce, ul.
