Technical chemistry

ergo 4003 (2) ergo 4052 (3) Ergo 4100 (3) ergo 4101 (4) ergo 4102 (1) ergo 4253 (3) ergo 4254 (2) ergo 4301 (1) Ergo 4401 (2) ergo 4430 (4) ergo 4451 (3) ergo 4453 (1)

-50 to +150 degrees Celsius (2) -55 to +150 degrees Celsius. (3)

3 h (full endurance) (2) 24 h (full endurance) (1)

orange (1) red (2)