Buffer Set 4 (ref. 25 °C) JIS Z 8802
5
6.95
10
6.92
15
6.90
20
6.88
25
6.86
30
6.85
35
6.84
40
6.84
45
6.83
50
6.83
8.2
Error Limits
Message
Description
Err 2
Value out of range
Err 3
Buffer temperature out of range
Err 4
Offset out of range (first cal. point)
Err 5
Slope out of range (following cal. points)
Err 6
Wrong buffer
Err 7
Invalid pH for user-defined buffer
Err 8
ATC temperature different from set value
METTLER TOLEDO SevenGo™ pH
51710340 Buch.indb 19
4.00
9.40
1.67
4.00
9.33
1.67
4.00
9.28
1.67
4.00
9.22
1.68
4.01
9.18
1.68
4.02
9.14
1.68
4.02
9.10
1.69
4.04
9.07
1.69
4.05
9.04
1.70
4.06
9.01
1.71
Range not accepted
pH:
< 0 00 or > 14.00
mV:
< -1999 or > 1999
T [°C]:
< 5 or > 50
| Eref1-Eb |
> 60 mV
| Eref1-Eb |
> 60 mV
| ΔEref1 |
< 10 mV
| ΔpH |
< 1 pH
| t
-t
|
> 1 °C
ATC
buffer
Appendix
19
28.2.2006 15:40:28 Uhr