The measuring principle is capacitive, does not depend on the nature of the gas, absolute pressure; the material of the sensor and the body of the device is polymer, chemically resistant; the measuring range, mbar - 1080–0.1; measurement accuracy - ± 1 mbar (after adjustment, at constant temperature); the number of sensors connected to one device - 8 (up to 4 VSP 3000 and 4 VSK 3000 ); operating temperature, ° С - 10–40 ; short-term permissible temperature, ° С - 40–80; memory for 32,000 measurements; RS 232С interface; cable, length, m - 2 (included), up to 30 m (optional); dimensions, L x W x H, mm - 144 × 124 × 114; weight, g - 440.