Advanced operation
Change the date and time
The date and time can be changed from the Date and Time menu.
1. Use the to enter the Date and Time menu. The date and time
format: dd-mm-yyyy 24h.
The attribute to be changed will be automatically highlighted and will
advance to the next attribute if no or is pushed.
2. To change an attribute, push or when the highlighted attribute is
selected.
The current date and time will be shown on the display.
Adjust the display contrast
1. Push the and at the same time to enter the Display contrast
menu.
2. Use the or to adjust the contrast of the display. The meter
returns automatically to the measurement screen after 3 seconds.
Change the stirring settings
The stirring speed can be changed during calibration and during a
measurement.
1. Push during a calibration or during a measurement to enter the
stirring menu.
2. Use the or to change the stirring speed in %.
Change the temperature units
The temperature units can be changed to Celsius or Fahrenheit.
1. From the main screen push .
2. Push to select between Celsius or Fahrenheit.
Maintenance
W A R N I N G
Multiple hazards. Do not disassemble the instrument for maintenance or service.
If the internal components must be cleaned or repaired, contact the
manufacturer.
C A U T I O N
Personal injury hazard. Only qualified personnel should conduct the tasks
described in this section of the manual.
Clean the instrument
N O T I C E
Never use cleaning agents such as turpentine, acetone or similar products to
clean the instrument including the display and accessories.
Clean the exterior of the instrument with a moist cloth and a mild soap
solution.
Clean the probe
Clean the probe as needed. Refer to
on page 12 for
more information about cleaning. Refer to the probe documentation for
information about the probe maintenance.
Use the cleaning agents listed in
for contaminations on the pH
probe.
Table 1 Cleaning agents for the pH probe
Contamination
Cleaning agent
Proteins
Pepsin cleaning solution
Grease, oils, fats
Electrode cleaning solution
Limescale
0.1 N HCl solution
English 9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
