Liebherr WKt 4552 GrandCru - Manual (Page 9)

9
Laboratory appliances with
Profi-Controller
LKPv 6520 LKPv 6522 LKPv 8420 LKPv 1420 LKPv 1422 LGPv 6520 LGPv 8420 LGPv 1420
Spark-free interior No No No No No No No No
High / Low temperature alarm, audio and visual Yes Yes Yes Yes Yes Yes Yes Yes
Door-open alarm, audio and visual Yes Yes Yes Yes Yes Yes Yes Yes
Power failure alarm through battery backup
for 72h, audio and visual
Yes Yes Yes Yes Yes Yes Yes Yes
Volt-free contact for external alarm signal Yes Yes Yes Yes Yes Yes Yes Yes
RS 485 data transfer interface Yes Yes Yes Yes Yes Yes Yes Yes
Infrared data transfer interface Yes Yes Yes Yes Yes Yes Yes Yes
Infrared data transfer key with data monitoring
software
Accessory Accessory Accessory Accessory Accessory Accessory Accessory Accessory
RS 485 / RS 232 converter with data
monitoring software
Accessory Accessory Accessory Accessory Accessory Accessory Accessory Accessory
NTC product temperature probe Accessory Accessory Accessory Accessory Accessory Accessory Accessory Accessory
Internal alarm memory Yes Yes Yes Yes Yes Yes Yes Yes
Min. / Max. temperature memory Yes Yes Yes Yes Yes Yes Yes Yes
Access port for e.g. PT 100 probe Yes Yes Yes Yes Yes Yes Yes Yes
Probe failure alarm Yes Yes Yes Yes Yes Yes Yes Yes
Condenser and evaporator temperature alarms Yes Yes Yes Yes Yes Yes Yes Yes
Safety feature table
LKPv and LGPv laboratory appliances with Profi-Controller