Ua tau raws li qhov xav tau ntawm kev sib txuas tus qauv 4-20mA tam sim no lub teeb liab ntes ntawm 1-4 qhov chaw;
Nrog rau qhov me me, cov khoom tuaj yeem ua phab ntsa-mounted yooj yim. Ob lub teeb los yog ntau tshaj tuaj yeem ntsia tau ib sab los ua kom tau raws li cov neeg siv khoom xav tau rau ntau qhov chaw taw qhia (phab ntsa mounting ntawm 8, 12, 16 lossis ntau qhov chaw taw tes tuaj yeem pom tau los ntawm kev sib xyaw ua ke);
Kev saib xyuas thiab tso saib ntawm lub sijhawm tiag tiag (%LEL, 10-6, %VOL) nrog rau kev hloov pauv tus nqi ntawm cov pa roj carbon monoxide, cov pa roj thiab cov pa oxygen (lub neej ntawd yog lub ntsuas hluav taws xob hluav taws xob. Tsis tas yuav tsum teeb tsa. Nws muaj rau siv. tom qab tau nruab thiab hluav taws xob);