Yamato Scientific HF200 Heating Block - Manual (Page 9)

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2. How to operate the unit
List of operation modes and functions
The operation functions of the product are as follows.
№ Nomenclature Description Page
1 Fixed-value operation Continuous operation mode
Press the START/STOP key for one second after temperature
setting, and the continuous operation begins. Pressing the
START/STOP key again for one second causes stop of
operation.
P.6
2 Quick auto-stop
operation Causes activation of the timer halfway of fixed-value
operation, then automatic operation stop after the set period.
This function is used “to set the automatic stop after the set
time”, “to set, in the course of operation, the automatic stop in
several hours.” P.8
3 Auto-stop operation Used “to set the automatic stop at the specified time” before
starting the operation. In the auto-stop mode, the timer starts
counting when the set temperature is reached. P.11
4 Auto-start operation Used to start the automatic operation in several hours, that is,
“to set the automatic start at the specified time.” P.15
※ The temperature and timer’s set time can be changed during operation.
※ Cautions for the auto-stop operation
・ The timer does not start counting till the bath temperature reaches the set level.
・ When the set temperature is below the bath temperature, the timer does not start
counting till the bath temperature drops below the set temperature.
The operation functions of sub-menu of the product are as follows.
Keep pressing the TIMER key for four seconds. The mode changes to the sub-menu mode.
1 Calibration offset
function The calibration offset function is to compensate for any
difference occurring between the target bath temperature and
controller control temperature (sensor temperature).
Compensation can be made either to the positive or negative
side over the entire temperature range of the system. P.21
2 Power failure
compensation selection
function This is a function to select automatic or manual return to the
operation state after power failure.
Automatic return with
ON and manual return with
OFF
The operation function of this device is as follows.
№ Nomenclature Description Page
1 Over-temperature
preventive function The automatic over-temperature preventive function is
incorporated.
When the bath temperature rises excessively along with the
set temperature of the device, this is set to activate
automatically at +12℃.
Stop operation when this function is activated. The Alarm
lamp flashes. To cancel, turn ON the power switch newly
again (manual reset).
P.19