Tanaka ASP-5, Maintenance Manual

8

1.3 Temperature Unit Selection and Temperature Correction 

The temperature correction screen is used to make any corrections if there are any 

differences between the temperature display and the softening point thermometer. 

The tester handles two kinds of bath liquid (water and glycerin). Compare the temperature 

sensor (displayed temperature) of the tester and the softening point thermometer while 

using the necessary bath liquid in advance to check the differences. 

1.3.1 Procedure of Calibration 

Insert the thermometer suitable for the selected liquid bath into the specified hole in the ring 

stage and secure it with an elastic band or wire at the standard position. After checking that 

the temperature sensor is also at the specified position, place a beaker containing the bath 

liquid at the specified position of the measuring unit, put the ring holder in the beaker, and 

attach the beaker to the ring holder. 

Select the bath liquid using the MODE key and start a test. Compare and record the 

thermometer reading and temperature display every 10

°

C. (Copy the attached settings table 

for recording data during this operation.) 

Repeat the above operation twice and pigeonhole data as references for correction. 

1.3.2 Select Bath Medium and Temperature Unit. 

Select Temp Cal from Menu screen, Fig 9 appears first. Select Water or Glycerin (blinks)

、

then press FUNCTION key. Fig.10 appears by this operation. Push Right or Left key to blink 

“

°

C”, and then change it by Up or Down key. If you want to go Temperature offset entering 

screen, select Next, if you want to finish, select End and then push FUNCTION key. 
 
 

Fig.9

Bath Liquid Selection Screen     Fig.10

Bath Liquid Selection Screen 

Correct differences at each correction point, which are at every 20

°

C from 0 to 200

°

C on the 

following temperature correction screen for each bath liquid: 
 

Example

Correction when the 40

°

C reading is 0.5

°

C lower than the 

thermometer reading 

  In Fig. 10, the current temperature correction value for 40

°

C is 

−

1.0

°

C and the 

necessary correction value is +0.5

°

C. 

New correction value

=

-1.0

°

C

+0.5

°

C

=

-0.5

°

C

→

 -0.5 for 40

°

C 

Bath select

Water

      Glycerin

End 

Set temp unit       End

°

C

Next