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Tektronix DMM912 Technical Reference
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DCM300 and DCM320 Adjustment Procedures
14
Handheld and Benchtop Instruments Basic Service
T
able 1
1: Summary of Adjustments
Adjustment
Name
T
est V
alue
Range Setting
Circuit
Location
T
olerance
Display Min
Display Max
AC Current
100.0 A
50 Hz
VR2
±
1.0 A
99.0
101.0
AC V
olts
300.0 V
500 Hz (DCM300)
50 Hz (DCM320)
VR1
±
0.3 V
299.7
300.3
Oh
m
1.000 k
VR3
±
1
999
1.001 k
150
VR4
Adjust VR4 until the buzzer just sounds
28
30
Table of Contents
Section 1
31
Table of Contents
31
DCM330 Digital Clamp Meter
33
Specifications
34
Performance Verification
37
Test Equipment
37
Set up
38
Verification Procedure
38
Test Records
41
Adjustment Procedures
43
List of Adjustments
43
Test Equipment
43
Preparation for Adjustment
44
Adjustment Procedure
44
Section 2
50
DCM910 Digital Clamp Meter
52
Specifications
53
Performance Verification
56
Test Equipment
56
Set up
57
Verification Procedure
57
Test Records
60
Adjustment Procedures
62
List of Adjustments
62
Test Equipment
62
Adjustment Procedure
63
Preparation for Adjustment
63
Section 3
69
DMM800 Series Digital Multimeters
71
Specifications
73
Performance Verification
78
Test Equipment
79
Set up
80
Verification Procedure
81
DMM830 Test Records
88
DMM850 Test Records
92
DMM870 Test Records
97
Adjustment Procedures
102
List of Adjustments
102
Preparation for Adjustment
103
Test Equipment
103
Adjustments Part 1
105
Adjustments Part 2
108
Reassembling the Multimeter
109
Section 4
112
DMM912, 914, and 916 Digital Multimeters
114
Specifications
116
Performance Verification
121
Test Equipment
122
Set up
123
Verification Procedure
124
DMM912 Test Records
131
DMM914 Test Records
135
DMM916 Test Records
140
Adjustment Procedures
145
List of Adjustments
145
Preparation for Adjustment
146
Test Equipment
146
Adjustments Part 1
148
Adjustments Part 2
151
Reassembling the Multimeter
152
Section 5
155
DTM500 Series Digital Thermometers
157
Specifications
158
Performance Verification
161
Test Equipment
161
Set up
162
Verification Procedure
162
DTM510 Test Record
163
DTM520 Test Record
164
Adjustment Procedures
166
List of Adjustments
166
Test Equipment
166
Preparation for Adjustment
167
DTM510 Adjustment Procedure
169
DTM520 Adjustment Procedure
171
Section 6
174
DTM900 and DTM920 Digital Thermometers
176
Specifications
177
Performance Verification
180
Test Equipment
180
Set up
181
Verification Procedure
181
DTM900 Test Record
182
DTM920 Test Record
183
Adjustment Procedures
185
List of Adjustments
185
Test Equipment
185
Preparation for Adjustment
186
DTM900 Adjustment Procedure
188
DTM920 Adjustment Procedure
190
Section 7
193
PS280 and PS283 Power Supplies
195
Specifications
196
Performance Verification
199
Test Equipment
200
Constant Current Load Regulation Check
201
Constant Current Ripple and Noise Check
203
Constant Voltage Regulation Check
205
Adjustment Procedures
207
List of Adjustments
207
Preparation for Adjustment
208
Test Equipment
208
Independent Mode Adjustments
211
Series Tracking Mode Adjustments
213
Parallel Tracking Mode Adjustments
214
5 V Fixed Output Adjustments
215
Section 8
218
PS2520 Series Power Supplies
220
Specifications
222
Performance Verification
226
Set up
227
Test Equipment
227
PS2520 and PS2520G Checks
228
PS2521 and PS2521G Checks
251
Section 9
287
TAS 200 Series Oscilloscopes
289
Specifications
290
Performance Verification
294
Test Equipment
295
Set up
296
Vertical Check
297
Horizontal Check
302
Trigger Check
304
Cursor Check
306
Adjustment Procedures
308
List of Adjustments
308
Test Equipment
310
Preparation for Adjustment
311
Power Supply Adjustments
314
Vertical Adjustments
317
Horizontal Adjustments
324
Trigger Adjustments
327
Probe Compensation
329
Cursors and Readout Adjustments
330
THM500 Series Instruments
357
Specifications
359
Performance Verification
365
Test Equipment
366
Functional Test
367
DMM Verification
368
Oscilloscope Verification
371
Other manuals for Tektronix DMM912
Instructions For Use
200 pages
4
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Tektronix DMM912 Specifications
General
Brand
Tektronix
Model
DMM912
Category
Multimeter
Language
English
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