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Sensit Wind Eroding Mass Sensor |
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Erosion monitoring solutions |
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Dimensions:
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Base diameter: 2.050”, length: 8.00” +/- 0.250” |
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Upper post diameter: 1.050” length: 5.50” +/- 0.50” |
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Crystal diameter: 0.915” length: 0.475” +/- 0.20” |
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Top of base to center of crystal: length: 3.100” +/- 0.050 |
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Cable diameter: 0.210” length: 25 feet. |
Outputs:
| Particle count (PC) data output is a CMOS/TTL compatible pulse indicating one particle impact, |
| Kinetic energy (KE) is a CMOS/TTL compatible pulse representing a fixed amount of energy that has impacted the sensor. Each pulse is always represents the same amount of total energy and is calibrated by normalizing it to the mass caught by a field catcher. A lab calibration has virtually no values because there is extreme variance due to mean particle density, spin and modulus of rupture for aggregates. The catcher mass normalization method compensates for a multitude of variables including day to day environmental effects such as rain, humidity, radiation etc. |
| NEW: Pulse height analysis (PHA) output is a pulse varying in amplitude with individual particle impacting energy. Pulse width: ~50uS, amplitude: 0 -> 4.8V. When input to a pulse height analyzer the PC output can be used as the sync if required. A PHA module should be available 1st quarter 2008. Due to the extensive amount of data, this data will be output serially via RS232. |
Inputs:
| +12VDC@70ma |
| Gain select (1X, 10X) can be selected via data logger output (open collector w/<10K pull up resistor). Gain also be selected by connecting this wire to ground (1X) or connected to +12V (10X). |
Model H11-LIN Wiring Color Code
New model number -
H11-LIN
Outputs
| (brown) KE (kinetic energy - pseudo mass flux) - CMOS/TTL compatible pulse |
| (white) PC (particle counts) - CMOS/TTL compatible pulse |
| (blue) PHA (particle energy) - variable pulse height |
Input
| (green) GAIN - Gnd(1X), +12VDC(10X). |
Power
| (red) Power + 12VDC @ 70ma/85ma (1X,10X mode) |
| (black) Ground |
Earlier models - H11B or C
(Replaced by Model H11-LIN)
Outputs
| (brown) KE (mass) - pulse |
| (white) PC (particle counts) - pulse |
Alternate outputs (seldom used)
| (green) KE (mass) - variable pulse width |
| (blue) PC (particle counts) -variable pulse width |
Power
| (red) Power + 12VDC @ 90ma |
| (black) Ground |