Safety feature table – Liebherr WKt 4552 GrandCru User 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