LABEC M-PL-600 User Manual
Page 18
Advertising
Appendix 1 Checking method of pH linear error
Input 177.48mV(pH4.00 buffer solution electrode potential simulate
value)、-178.07mV(pH10.01 buffer solution electrode potential simulate
value) into the instrument,temperature compensation sent to 25℃,
operate according to 2 points calibration;after calibration the instrument
displays “
”signal.(if type 640 please set the buffer solution set to
b1)Check the linear error of the instrument according to following table.
mV
414.11 354.95 295.80 236.64 177.48 118.32
59.16
0
pH
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
mV
-414.11 -354.95 -295.80 -236.64 -177.48 -118.32 -59.16
pH
8.00
9.00
10.00
11.00
12.00
13.00
14.00
- 17 -
Advertising