User's Manual
Table Of Contents
- Introduction
- Getting Started
- Making a Measurement
- Technical Specifications
- Functions Measured
- General Characteristics
- Physical Characteristics
- Data Communication Characteristics
- Electrical Characteristics
- Adaptor Resonances and Frequency Responses
- Reference Values
- Typical Measurement Ranges
- Frequency Weighting Curves
- Fa (Flat 0.4 Hz to 100 Hz)
- Fb (Flat 0.4 Hz to 1260 Hz) Frequency Weighting
- Fc (Flat 6.3 Hz to 1260 Hz), Wh, and Wf Frequency Weighting.
- Wm, Wc, and Wd Frequency Weightings
- We, Wj, and Wk Frequency Weighting
- Wg Frequency Weighting (Defined in BS6841:1987)
- Wm (Whole Body) Frequency Weighting
- Typical Measurements Ranges
- Standards Met
- Glossary
- RMS Acceleration
- RMS Acceleration in Decibels
- Allowed Exposure Time
- Energy Equivalent RMS Acceleration
- Running RMS Acceleration LINEAR
- Running RMS Acceleration EXPONENTIAL
- Vibration Dose Value
- Maximum Transient Vibration Value
- Minimum Transient Vibration Value
- Long Term Maximum Peak
- Short Term Maximum Peak
- Long Term Crest Factor
- Short Term Crest Factor
- Summed Instantaneous Acceleration
- Regulatory Compliance Statement
A-18 Frequency Weighting Curves HVM200 Manual
Typical Measurements Ranges
Vibration - Fa
Notes:
1. Under-Range (?) - The noise floor is below the measurement range of the analog to digital
converter.
2. The data in the above table was obtained by electrically testing the HVM200.
Vibration - Fb, Fc, and Wf
Direct Charge (1000pF) ICP®
Gain Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
0 dB See
Note 1
60 dB
74-134
38 dB
99-137
See
Note 1
60 dB
74-134
38 dB
99-137
See
Note 1
60 dB
74-134
38 dB
99-137
20 dB See
Note 1
60 dB
54-114
38 dB
79-117
See
Note 1
60 dB
54-114
38 dB
79-117
See
Note 1
60 dB
54-114
38 dB
79-17
40 dB 26 58 dB
36-94
36 dB
61-97
26 58 dB
36-94
36 dB
61-97
26 58 dB
36-94
36 dB
61-97
60 dB 17 47 dB
27-74
25 dB
52-77
17 47 dB
27-74
25 dB
52-77
23 41 dB
33-74
19 dB
58-77
Direct Charge (1000pF) ICP®
Gain Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
Noise
Floor
dBµV
RMS
Range
dBµV
Peak
Range
dBµV
0 dB 64 60 dB
74-134
38 dB
99-137
64 60 dB
74-134
38 dB
99-137
64 60 dB
74-134
38 dB
99-137
20 dB 44 60 dB
54-114
38 dB
79-117
44 60 dB
54-114
38 dB
79-117
44 60 dB
54-114
38 dB
79-117
40 dB 30 54 dB
40-94
32 dB
65-97
30 54 dB
40-94
32 dB
65-97
30 54 dB
40-94
32 dB
65-97
60 dB 23 41 dB
33-74
19 dB
58-77
23 41 dB
33-74
19 dB
58-77
23 41 dB
33-74
19 dB
58-77