Vaisala offers the following TERMBOX models. All models have the same AC block. The signal line connections are different.
Code | Signal Connection |
---|---|
TERMBOX-9000 | Connector block with 90 V gas tube arresters |
TERMBOX-1200 | One signal line protector, 12 V |
TERMBOX-1212 | Two signal line protectors, 12 V |
TERMBOX-1222 |
Two signal line protectors, 12 V Signal ground and chassis ground isolated from each other by 53 V gas‑filled surge arrester |