YOKOGAWA TB750G, Quick Start Manual, Page: 20 / 37

<3. OPERATION>
3-7
IM 12E01A06-02E
3.1.5 Performing 2-point Calibration Using Standard Solution
F3-8E.ai
[YES]
[YES]
[NO]
[YES]
[NO]
[YES]
[ENT]
[ENT]
[YES]
[MODE]
[

]
[ENT]
[ENT]
[

]
[

]
[  ]
[

]
[

]
END
HOLD
CALB
X.XXX
STD.CAL
X.XXX
SMP.CAL
X.XXX
ZRSPAN
XX.XX
SPAN
XX.XX
CAL.END
• Remove top cover (6 setscrews)
• Rinse the cell with zero solution and drain
• Fill the cell with zero solution to 90% *
• Replace top cover with screws
• Confirm reading has stabilized (3-5 min)
• Remove top cover (6 setscrews)
• Rinse the cell with zero solution and drain
• Fill the cell with zero solution to 90% *
• Replace top cover with screws
• Confirm reading has stabilized (3-5 min)
Span calibration is complete
Auto-adjustment
X.XXX
SPAN
X.XXX
ZERO
Auto-adjustment
20.00
VALUE.S
00.00
VALUE.S
• Enter value of zero calibration using [  ] and [  ] keys
• Set decimal point using [

] key
• Enter value of span calibration using [

] and [

] keys
0.020
VALUE.Z
• Set decimal point using [

] key
0.000
VALUE.Z
Release HOLD ***
* How to pour zero solution
Pour a span solution into the measurement cell very
slowly, using a funnel or relevant equipment, taking
care not to allow air bubbles to enter the cell.
** Numbers in the figures are examples.
*** Be sure to release HOLD
START
• Supply power
• Warm-up (at least 1 hour)
• Wash the cell
• Prepare zero and span solutions
**
**