* Hoʻohana i ka 2088 Industrial explosion-proof shell
* Hoʻolālā anti-interference, nā hana hoʻonohonoho he nui
*Ka palapala hōʻoia pahū pahū a me ka palapala CE
* Kākoʻo i ka helu baud, helu wahi, kānana hoʻonohonoho mau (ʻano RS485)
* Kākoʻo i nā helu hōʻike, kānana coefficient, sensitivity coefficient, zero clear & hana ʻē aʻe (4~20mA type)