PRI-3000 (ONLY DISPLAY)
PRI-3001 (OUT=>4-20mA)
PRI-3200 (OUT=>2-ALARM)
PRI-3201 (OUT=>4-20mA,2-ALARM)
PRI-3400 (OUT=>4-ALARM)
PRI-3401 (OUT=>4-20mA,4-ALARM)