
Instruction Manual PCD 650
27
Note: The factory default setting for the TDS conversion factor is 0.50. If your solution
has a different TDS factor, you can improve calibration accuracy by setting the TDS
factor prior to calibration. After setting the correct TDS Factor, you can commence
calibration in the TDS mode. For more information regarding TDS conversion factor
determination, please refer to page 106.
2.8 TDS Measurement Mode
In TDS measurement mode, the meter displays TDS and temperature reading.
2.8.1 Indicators in TDS measurement mode
Figure 26 : TDS measurement screen
Refer item numbers indicated in Figure 26.
Item Description More Details On
1 Measurement mode indicator -
2 Appears when the reading is stable Page 17, 75
3 Appears when the reading is on hold Page 17, 75
4 TDS reading -
5 Units of measurement -
6 Temperature reading & units Page 98
7 Temperature compensation mode Page 18, 98
8 TDS HI & LO Alarm limits Page 18, 89
9 TDS Alarm indicator Page 18, 89
10 Response time Page 48
11 Calibration Due indicator Page 18, 88
12
No of calibration points and method of
calibration
Page 19, 88
1
4
5
6
3
2
10
7
12
Note:
Lower
display
shows
‘2Cell’ or
‘4Cell’ when
a 2-cell or
4-Cell
conductivity
probe is
connected
.
8
9
11
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