SNQ6 high-temperature accelerometers are mainly used in oil well logging, also can be used in measurement while drilling tool(MWD) and logging while drilling tool(LWD) and Gyro survey tool. It is a standard vibration sensor that can be used for both static and dynamic testing.
No. |
Parameters |
SNQ6-01 |
SNQ6-02 |
1 |
Range(g) |
±30 |
|
2 |
Threshold /Resolution(μg) |
30 |
|
3 |
Bias k0/k1(mg) |
≤±20 |
|
4 |
Scale factor k1(mA/g) |
2.1±0.3 |
2.1±0.3 |
5 |
Class II nonlinearity Coefficient k2/k1(μg /g2) |
≤±20 |
≤±50 |
6 |
0g 4 hours short time stability(μg) |
≤30 |
≤40 |
7 |
1g 4 hours short time stability(ppm) |
≤30 |
≤40 |
8 |
Bias drift repeatability σ k0( 1σ, one month)(μg) |
≤150 |
≤220 |
9 |
Scale factor repeatability σ k1/k1( 1σ, one month)(ppm) |
≤150 |
≤220 |
10 |
Class II nonlinearity Coefficient repeatability σ k2/k1(1σ, one month)(μg/g2) |
≤±40 |
≤±50 |
11 |
Bias thermal coefficient(μg/℃) |
≤±80 |
≤±150 |
12 |
Scale factor thermal coefficient(ppm/℃) |
≤±80 |
≤±200 |
13 |
Noise (sample resistance 840Ω)(mv) |
≤8 |
≤8.4 |
14 |
Natural Frequency(Hz) |
350~800 |
|
15 |
Bandwidth(Hz) |
800~2500 |
|
16 |
Vibration |
25g(20-2000Hz)
|
|
17 |
Shock |
1000g,0.5ms, 1/2sin |
|
18 |
Operating temperature range (℃) |
-40~+120 |
-40~+180 |
19 |
Storage temperature range (℃) |
-60~+125℃ |
-60~+185℃ |
20 |
Voltage(V) |
±12~±15 |
|
21 |
Consume current(mA) |
±20 |
|
22 |
Temperature sensor |
Yes, PT1000 or AD590 |
|
No |
|||
23 |
Size(mm) |
Ф18.2X16 |
|
24 |
Weight(gram) |
≤25 |
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