SCAMP Specifications
Travel Rate |
10 cm/sec |
Overall Length |
76 cm |
Weight |
6 kilos (13 lbs.) |
Maximum Depth |
100 meters |
Sample Rate |
100 scans/sec (adjustable) |
Batteries Required |
6 alkaline AA; 2 alkaline 9V |
Battery Life |
4 hrs continuous operation minimum |
Fast Conductivity Channel
Sensor |
PME 4-electrode microsensor |
Range |
Ranged by scaling resistor(s): |
| |
5E-2 to 0.1 siemens/meter min. |
| |
5E-2 to 9.0 siemens/meter max. |
Accuracy |
+/- 5% full scale depending on calibration |
Stability |
+/- 5% full scale/ 4 hours |
Bandwidth |
Approximately 400 cycles/meter |
Filter |
4 pole Butterworth @ 50 Hz |
Calibration |
Performed by PME |
Conductivity Channel
Sensor |
PME 4-electrode ceramic sensor |
Range |
Jumper selected ranges: |
| |
5E-2 to 0.1 siemens/meter |
| |
5E-2 to 0.5 siemens/meter |
| |
5E-2 to 9.0 siemens/meter |
Accuracy |
+/- 0.2% full scale (9 siemens/ meter range) |
Stability |
+/- 0.2% full scale/month |
Filter |
4 pole Butterworth @ 50 Hz |
Calibration |
Performed by PME |
Fast Temperature Channel (2 Available)
Sensor |
Thermometrics FP07 thermistor |
Range |
0 to 30 degrees C |
Accuracy |
+/- 0.050 degrees C |
Stability |
+/- 0.050 degrees C/month |
Bandwidth |
Approximately 20 Hz |
Filter |
2 pole Butterworth @ 50 Hz |
Calibration |
Performed by PME |
Pressure Channel
Sensor |
Keller PSI PAA-10 |
Range |
50 to 100 meters full scale |
Accuracy |
+/- .5% full scale |
Repeatability |
+/- 0.25% full scale |
Stability |
+/- 0.25% / 6 months |
Calibration |
Performed by PME |
Gradient Channel (2 available)
Function |
Computes d/dt using analog circuits |
Gain |
Gains of 256/N N= 2,3,4...255 |
Anti-alias Filter |
6 pole Butterworth @ 45Hz |
Data Logger, Analog
Channels |
16 direct, 16 processed |
Sampling Rate |
100 scans of all channels per second |
Sampling Resolution |
16 bit |
Analog processing: gain |
256/N N= 2,3,4...255 |
Analog processing offset |
+/- N/256 of full scale N=0...255 |
RMS Noise |
91uV RMS on direct channels,
130 uV RMS on processed channels |
Data Logger, Digital
Memory: data |
64 MB |
Communication |
USB 1.0 |
Memory Usage |
2 bytes per channel per sample |
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