|
QBD1
|
QBD2
|
QBD4
|
Dimensions (hxdxw) |
120x240x200mm |
120x285x200mm |
120x390x200mm |
Temperature range @37℃ |
Ambient +5 to 130℃ |
Ambient +5 to 130℃ |
Ambient +5 to 130℃ |
Stability @37℃ |
0.1±ºC |
0.1±ºC |
0.1±ºC |
Uniformity within the block @37℃ |
0.1±ºC |
0.1±ºC |
0.1±ºC |
Uniformity across similar blocks @37℃ |
0.2±ºC |
0.2±ºC |
0.2±ºC |
Temperature display |
• |
• |
• |
Display resolution |
0.1℃ |
0.1℃ |
0.1℃ |
Heat up time 25ºC to 100ºC |
20 minutes |
20 minutes |
20 minutes |
Three programmable temperature/ time segments plus end-of-program segments |
– |
– |
– |
Reaction timer, with audible buzzer |
1 to 999 minutes |
1 to 999 minutes |
1 to 999 minutes |
Function timer for delay of heater start-up/switch-off |
Up to 72 hours |
Up to 72 hours |
Up to 72 hours |
Off-set adjustment |
• |
• |
• |
Two-point calibration of internal and external probes |
• |
• |
• |
High/low temperature alarms, settable to within 0.5ºC of set temperature |
• |
• |
• |
Fault indication display |
• |
• |
• |
Extraction tool for easy and safe block removal |
• |
• |
• |
Safety |
Thermal fuse |
Thermal fuse |
Thermal fuse |
Heater power – 230V |
150W |
300W |
600W |
Heater power – 120V |
100W |
200W |
400W |
Supply voltage |
120 or 230V |
120 or 230V |
120 or 230V |
Weight |
2.2kg |
2.7kg |
3.6kg |