Table 2.1 (continued) 2.2 Operating conditions The device must be used in following conditions: • closed explosion-proof areas without aggressive vapors and gases; 9 Item Value Range of values of the multiplier from 0.00001 to 99999 Frequency of input filter from 1 to 50000 Hz Pulse ratio, min. 2 Limit of permissible basic error (according to GOST 24907) ±1 junior digit Basic reduced error for measurement of time intervals ±1% from 0.1 to 999.99 ctr Housing Dimensions: • wall-mounting Н • panel-mounting Щ1 • panel-mounting Щ2 105х130х65 mm 96х96х70 mm 96х48х100 mm Protection class: • wall-mounting Н • panel-mounting Щ1 and Щ2 IP44 IP54 (front panel side) Device features Weight, max.
1 kg Average service life 8 years Calibration interval 2 years