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SF-479 medical freezer temperature humidity controller
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Description
Features
Humidity display
Temperature control
Defrost control
Light control / Power switch
Value storing / Self-testing
Evap. Fan control
Technical Data
Temperature display range: -45~99℃
Set temperature range: －45～＋75℃
Accuracy: ±01℃
Temperature sensor: NTC, one sensor（neither positive nor negative）2m（L）
Compressor relay : 30A/250VAC
Heater: N.O. 10A/250VAC
Others: N.O. 5A/250VAC
Dimension: 181mm( )×41mm(W)×68mm（D）
Mounting hole dimension: 138mm( )×32.5mm(W)
Parameters
|
Paramete |
Function |
Set range |
Default |
|
PA |
Menu password |
00～50～99 |
82 |
|
E1 |
Lower set point limit |
－45℃～retain freshness set temp. |
00℃ |
|
E2 |
Higher set point limit |
retain freshness set temp.～75℃ |
30℃ |
|
E3 |
Refrigeration Hysteresis |
01～20℃ |
04℃ |
|
E4 |
Heating hysteresis |
01～20℃ |
06℃ |
|
E5 |
Refrigeration start delay time |
00～10Min |
02Min |
|
E6 |
Heating start delay time |
00～10Min |
00Min |
|
E7 |
Refrigeration and heating |
00～90Min |
15Min |
|
E8 |
Offset on room sensor |
-20～20℃ |
00℃ |
|
E9 |
Offset on humidity sensor |
-20～20% |
00% |
|
P1 |
Light duration time |
00～180 min 00 is infinite length |
00min |
|
C1 |
High temp. alarmvalue |
C2～75℃ |
45℃ |
|
C2 |
low temp. alarmvalue |
-45℃～C1 |
-35℃ |
|
C3 |
Alarm delay time |
00～60min |
2min |
|
C4 |
Alarm hysteresis |
01～10℃ |
02℃ |
|
F1 |
Defrost duration |
01～90min |
20min |
|
F2 |
Defrost interval |
00～24hours |
4hr |
|
F4 |
Display when defrost |
00＝normal display 01＝locked display |
00 |
|
H1 |
Fan control |
H1=01synchronized with heater and comp., off when defrost H1=02synchronized with heater and comp., open when defrost H1=03 keep running, open when defrost H1=04 keep running, close when defrost |
82 |
-
Mandy Lam
Lynn Mai -
Kay
Carmen Chan - Tel (0086)760-88787946
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