Strain gage reading

  • #1

Main Question or Discussion Point

Hey guys so i did a tensile test lab and got the following results from the strain gage:

SecondsElapsed Strain u
0.1 0
1.1 1
2.1 1
3.1 0
4.1 0
5.1 1
6.1 1
7.1 2
8.1 5
9.1 9
10.1 47
11.1 129
12.1 209
13.1 278
14.1 335
15.1 386
16.1 434
17.1 482
18.1 529
19.1 579
20.1 627
21.1 675
22.1 722
23.1 770
24.1 817
25.1 865
26.1 913
27.1 961
28.1 1009
29.1 1056
30.1 1106
31.1 1154
32.1 1204
33.1 1254
34.1 1306
35.1 1357
36.1 1409
37.1 1462
38.1 1516
39.1 1571
40.1 1626
41.1 1682
42.1 1738
43.1 1795
44.1 1853
45.1 1911
46.1 1969
47.1 2029
48.1 2090
49.1 2150
50.1 2211
51.1 2272
52.1 2334
53.1 2396
54.1 2458
55.1 2522
56.1 2585
57.1 2650
58.1 2714
59.1 2780
60.1 2846
61.1 2912
62.1 2980
63.1 3048
64.1 3121
65.1 3208
66.1 3298
67.1 3391
68.1 3486
69.1 3585
70.1 3689
71.1 3797
72.1 3915
73.1 4043
74.1 4186
75.1 4349
76.1 4531
77.1 4737
78.1 4962
79.1 5206
80.1 5470
81.1 5748
82.1 6038
83.1 6338
84.1 6646
85.1 6964
86.1 7285
87.1 7613
88.1 7946
89.1 8281
90.1 8622
91.1 8961
92.1 9304
93.1 9648
94.1 9996
95.1 10344
96.1 10693
97.1 11043
98.1 11393
99.1 11747
100.1 12102
101.1 12455
102.1 12813
103.1 13169
104.1 13527
105.1 13887
106.1 14245
107.1 14606
108.1 14969
109.1 15331
110.1 15696
111.1 16061
112.1 16429
113.1 16795
114.1 17160
115.1 17529
116.1 17902
117.1 18275
118.1 18649
119.1 19020
120.1 19391
121.1 19764
122.1 20135
123.1 20507
124.1 20880
125.1 21252
126.1 21624
127.1 21998
128.1 22371
129.1 22743
130.1 23114
131.1 23485
132.1 23858
133.1 24228
134.1 24599
135.1 24969
136.1 25340
137.1 25714
138.1 26083
139.1 26456
140.1 26827
141.1 27196
142.1 27568
143.1 27937
144.1 28309
145.1 28682
146.1 29052
147.1 29423
148.1 29792
149.1 30163
150.1 30532
151.1 30904
152.1 31274
153.1 31644
154.1 32015
155.1 32385
156.1 32757
157.1 33126
158.1 33497
159.1 33868
160.1 34237
161.1 34607
162.1 34979
163.1 35349
164.1 35721
165.1 36094
166.1 36467
167.1 36842
168.1 37220
169.1 37601
170.1 37982
171.1 38358
172.1 38738
173.1 39115
174.1 39490
175.1 39869
176.1 40243
177.1 40618
178.1 40994
179.1 41372
180.1 41747
181.1 42122
182.1 42501
183.1 42881
184.1 43264
185.1 43642
186.1 44023
187.1 44402
188.1 44784
189.1 45164
190.1 45543
191.1 45924
192.1 46305
193.1 46688
194.1 47073
195.1 47452
196.1 47835
197.1 48217
198.1 48595

Problem is what units are the strain in?? It goes from 0 - 48595, so I have no idea what units they are or how I'm supposed to work with it? I know strain e=delta l / L, but that's it. Any help would be appreciated.
 

Answers and Replies

  • #2
208
0
The output should be in volts, but they look kinda big.
 

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