3-1 Control panel
④
Rotation control
knob
⑤
Rotation lamp
①
Power switch
②
Run/Stop key
③
Speed indicator
No.
Name
Function
①
Run/Stop key
※
1
Speed indicator
Rotation control knob
Alarm lamp
②
③
④
⑤
Press this button to start rotation and press again to stop.
For B type, the jack will automatically go up to the upper limit when rotation
is stopped.
Indicates the rotation speed.
This knob is used to adjust the rotation speed of the sample flask.
Rotation starts at 5rpm at minimum position.
3-2 Safety functions
The product has the following safety functions.
If you encounter any abnormality, take appropriate
measures referring to P.18 “Possible causes of troubles
and solutions”.
- 6 –
Names and functions of control assembly
3
Jack up/down key
The jack goes up with up arrow key and lowers with down key. The jack keeps
moving while the key is pressed.
Power switch
Turning this ON to power on and the switch lamp comes on.
⑥
⑦
Safety function
Causes
Fuse
The fuse is blown and power is shut off.
Description of operation
Short-circuit occurred or over current flowed
in the power supply circuit.
Motor overload
protection circuit
The sample flask rotation axis locked or was
subjected to overload beyond the specification.
Jack upper/lower limit
switch
Stops at the jack upper/lower position.
Jack upper/lower limit is reached.
Auto lift-up on power
failure
※
2
Rotations stops during operation with the
jack lowered and the jack lifts up
automatically.
Power failure occurred or the power switch
was turned OFF.
※
2. The jack may not lift completely if it is under load beyond its specification.
Fuse
rpm
Alarm
Rotation
Run
Stop
⑥
Alarm lamp
⑦
Jack up/down key
Min position
Turns on when an abnormality occurs for rotation control function..
Stops rotation and illuminates the Alarm lamp.
Type B displays [ALr] and lifts the jack.
Rotation lamp
The lamp comes on when Run key is pressed and rotation is started and
goes off when rotation is stopped.
※
1. Please do not run empty, because rotating without placing the glass set can result into defective rotation.
