China explosion proof pressure gauge with electric contact

Specification :

1 scale range:0~0.16;0~0.25;0~0.4;0~0.6;0~1;0~1.6;0~2.5;0~4;0~6;0~10;0~16;0~25;0~40;

0~60;-0.1~0.06;-0.1~0.15;-0.1~0.3;-0.1~0.5;-0.1~0.9;-0.1~1.5;-0.1~2.4MPa -0.2-3.6MPA

2 Control: upper and lower contact switch Postponed

3 Maximum working voltage: DC 220V or AC 380V;

4 Contact power: 10VA 
5 Working position: vertical installation 
6 Environmental conditions: -10 ~ 50 °C, relative humidity less than 80%, and an explosive mixture should fall below the rank of Ⅱ B T4 group, working vibration and pulsation sharply measured media contacts and reliable instrument to deal with the action has no effect. 
7 Temperature effect: showing the value of not more than 0.4% / 10 °C, the set point is not more than 0.6% / 10 °C (temperature deviation from 20 ± 5 °C). 
8 Dielectric strength: 50Hz sinusoidal AC 2000V lasted one minute 
9 Weight: 6kg