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Wireless Accelerometer
Model 7034
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Accelerometer Specifications
DSP Specifications
1 Hz to 40K Hz Sampling Rate
Programmable Data Form
- FFT in g's, ips or mils
- Time Trace in g's, ips or mils
TEDS (Transducer Electronic Data Sheet) Including Calibration, Serial Number
and Date of Manufacture
Wireless Specifications
Automatically Configurable Wireless Node
Operates in the License Free 902-928 MHz ISM Band
Encrypted Secure Transmissions
General Specifications
Nominal Battery Life of 2+ years
IP65, NEMA 4 Package -
Housings of 303 Stainless and Polycarbonate
Meets FDA Reg CFR-21-178.3750
Integral 1/4"-28 Mounting Thread
Description
The 7034 accelerometer is a wireless
method of transmitting CBM vibration data in industrial environments. The
unit contains a precision piezoelectric sensor, temperature sensor, digital
signal processor, data memory, wireless transceiver, internal battery, and
an internal antenna. Powered with an internal Lithium battery, the
solid-state Accelerometer collects and transmits vibration data
securely via a wireless link. The data collection parameters are configured
from a networked Windows PC. Data in g's, ips, or mils can be in the form of
time trace or FFT and thousands of units may share the same radio network.
All units communicate with 7031 access points which bridge the wireless
network to ethernet network. Software control from a networked PC allows
operators to configure thousands of 7034s and monitor vibration data.
Applications
- Condition Based Maintenance
- Vibration Monitoring
- Vibration Analysis
- Machine Diagnostics
As a
radio transmission device, the 7034 is extremely reliable. Handshaking,
packet encoding and error checking are all performed automatically. For
maximum confidence the 7034 performs periodic self-test diagnosis of power
fluctuations, low battery, or dangerous internal temperatures. Should
operating parameters be exceeded, the unit will either alert the operator
wirelessly or self-initiate a system reset.
Performance (Tc
= 25º C unless otherwise specified)
|
Parameter |
Min. |
Typ. |
Max. |
Units |
| Number of Axes |
|
1 |
|
Z |
| Maximum Range (User Selectable) |
5 |
|
50 |
g |
| Calibration Accuracy (stored in on board
EEPROM) |
-3 |
|
+3 |
% |
| Acceleration Sensitivity |
|
0.003 |
|
g |
| Velocity Sensitivity @ 10 Hz |
|
0.0125 |
|
in/s |
| Displacement Sensitivity @ 10 Hz |
|
0.0005 |
|
in |
| Frequency Response (± 3 dB) |
0.45 |
|
10,000 |
Hz |
| Frequency Response (± 5%) |
3 |
|
1,000 |
Hz |
| Resonance Frequency |
25,000 |
|
|
Hz |
| Q |
30 |
35 |
40 |
dB |
| A/D Resolution over Selected Range (User
Selectable) |
8 |
12 |
16 |
Bits |
| Sampling Rate |
1 |
|
40,000 |
Hz |
| Storage Size |
20 |
|
65,000 |
Samples |
| FFT Lines of Resolution |
200 |
|
12,800 |
Lines |
| Period (Time Between Measurement Records) |
1 |
|
2,592,000 |
Seconds |
| Max. Mechanical Shock |
|
|
5,000 |
g |
| Sensitivity Temperature Shift |
|
0.18 |
|
% FSO / º C |
| Non-Linearity (0 to 90% of Full Scale) |
|
0.1 |
|
% of span |
| Damping Ratio of Accelerometer Element |
0.4 |
0.7 |
0.9 |
N/A |
| Weight Including Lithium Battery |
|
2.80 |
|
oz |
| Transceiver Operational Frequency |
|
914.50 |
|
MHz |
| Radiated Power (ERP) |
|
|
0 |
dBm |
| Receiver Sensitivity |
|
-100 |
|
dBm |
| Range |
|
250 |
|
feet |
| Battery Capacity (Lithium Thionyl
Chloride) |
|
1,000 |
|
mAH |
| Sensor Battery Life (one measurement
operation per day) |
2.0 |
2.6 |
|
years |
| Operating Temperature -S and -P versions |
-20 (-4) |
|
50 (122) |
º C (º F) |
| Operating Temperature -H version |
0 (32) |
|
85 (185) |
º C (º F) |
| Storage Temperature (all versions) |
-40 (-40) |
|
85 (185) |
º C (º F) |
| Tightening Torque |
22 |
24 |
26 |
in-lb |
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Ordering Information
Part Number:
7034000-1, Standard temperature version, 303 stainless steel base,
polycarbonate lid, standard temperature battery P/N 20317
7034000-1, High temperature version, 303 stainless steel base,
polycarbonate lid, high temperature battery P/N 20318
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