pulseEKKO®
Specifications
System Specifications
| Specifications | Values |
|---|---|
| Time Window | Up to 64,000 ns |
| Points per Trace | Up to 30,000 |
| Stacking | 2048 (65,536 for Ultra receiver) |
| Maximum System Performance | Standard Receivers: 186dB + 10log10(Stacks), e.g. 219dB @ 2048 stacks 3200 (Ultra) Receiver: 186dB + 10log10(Stacks), e.g. 234dB @ 65,536 stacks |
| Sampling | Digital Equivalent Time Sampling (DETS) |
| Data quality assurance | Active temperature and voltage compensation |
| Pulse Repetition Frequency (PRF) | Variable, up to 100 kHz |
| Temporal Sampling Increment (hardware) | 5 ps |
Low Frequency Hardware Specifications
Low Frequency Antennas
| Specifications | 12.5 MHz | 25 MHz | 50 MHz | 100 MHz | 200 MHz |
|---|---|---|---|---|---|
| Size(cm) | 736 × 14 × 5 | 368 × 14 × 5 | 184 × 14 × 5 | 92 × 14 × 5 | 46 × 14 × 5 |
| Size(in) | 289.8 × 5.5 × 2.0 | 144.9 × 5.5 × 2.0 | 72.4 × 5.5 × 2.0 | 36.2 × 5.5 × 2.0 | 18.1 × 5.5 × 2.0 |
| Weight | 7.2 kg (15.9 lbs) | 3.6 kg (7.9 lbs) | 1.8 kg (4.0 lbs) | 1.2 kg (2.6 lbs) | 0.8 kg (1.8 lbs) |
| Elements | 5 | 3 | 1 | 1 | 1 |
| Feed | Center | Center | Center | Center | Center |
| Connector | Parallel | Parallel | Parallel | Parallel | Parallel |
| Center Frequency (MHz) | 12.5 | 25 | 50 | 100 | 200 |
| -6dB Bandwidth | 6 – 18 MHz | 12 – 38 MHz | 25 – 75 MHz | 50 – 150 MHz | 100 – 300 MHz |
Transmitter & Receiver
| Specifications | Transmitter (LP) | Transmitter (VP) | Receiver (1600) | Receiver (Ultra, 3200) |
|---|---|---|---|---|
| Operating Temperature | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) |
| Size | 260×150×110 mm (10.2 × 5.9 × 4.3 inches) | 260×150×110 mm (10.2 × 5.9 × 4.3 inches) | 260×150×110 mm (10.2 × 5.9 × 4.3 inches) | 260×207×110 mm (10.2 × 8.1 × 4.3 inches) |
| Weight (no batteries) | 1.7 kg (3.65 lbs) | 1.7 kg (3.65 lbs) | 1.7 kg (3.65 lbs) | 2.0 kg (4.4 lbs) |
| Battery Weight (each, 2 required) | 0.7 kg (1.54 lbs) | 0.7 kg (1.54 lbs) | 0.7 kg (1.54 lbs) | 0.7 kg (1.54 lbs) |
| Power Consumption | 150 mA @ 12V | 500 mA @ 12V | 125 mA @ 12V | 500 mA @ 12V |
| Maximum Voltage | 14 Volts | 14 Volts | 14 Volts | 14 Volts |
| Low Power Warning | at 11 Volts | at 11 Volts | at 11 Volts | at 11 Volts |
| Cable Interface | Fibre Optics | Fibre Optics | Fibre Optics | Fibre Optics |
| Active Compensation | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) | -40℃ to +55℃ (-40℉ to +131℉) |
| Receiver Sensitivity | N/A | N/A | 1.5uV lsb | 0.79uV lsb. to 31.7uV lsb (User Programmable) |
| Data Recording | N/A | N/A | 16 bit | 32 bit |
High Frequency Hardware Specifications
High Frequency Transducers
| Specifications | 250 MHz | 500 MHz | 1000 MHz |
|---|---|---|---|
| Size(cm) | 20 × 38 × 38 | 16 × 23 × 23 | 12 × 15 × 15 |
| Size(in) | 7.9 × 14.5 × 14.5 | 6.5 × 9.1 × 9.1 | 4.7 × 5.9 × 5.9 |
| Weight | 3.0 kg (6.6 lbs) | 1.2 kg (2.6 lbs) | 0.6 kg (1.3 lbs) |
| Power Consumption | 1.5 Watts, 125 mA @ 12V | 1.5 Watts, 125 mA @ 12V | 1.5 Watts, 125 mA @ 12V |
| Elements | Resistive Dipole | Resistive Dipole | Resistive Dipole |
| Feed | Center Balanced | Center Balanced | Center Balanced |
| Connector | Metallic cable | Metallic cable | Metallic cable |
| Center Frequency (MHz) | 250 | 500 | 1000 |
| -6dB Bandwidth/th> | 125 – 375 MHz | 250 – 750 MHz | 500 – 1500 MHz |
Borehole GPR Hardware Specifications
| Borehole Antenna | 50 MHz | 100 MHz | 200 MHz |
|---|---|---|---|
| Length | 1.84 m (73 inches) | 1.44 m (57 inches) | 1.21 m (48 inches) |
| Weight | 1.3 kg | 1.1 kg | 0.9 kg |
| Specification | Value |
|---|---|
| Borehole antenna diameter | 29 mm (1.125 inches) |
| Minimum borehole diameter | 33 mm (1.25 inches) |
| Borehole cable length | 30 m (100 feet) |
| Borehole separation | 2 to 20 meters |
Battery Specifications
| Specifications | Values |
|---|---|
| Transmitter and Receiver Batteries (for 12.5, 25, 50, 100, 200 MHz Antennas) |
12 Volts, 2.3 AH, 0.7 Kg (1.54 lbs) 182 × 24 × 62 mm (7.2 × 0.9 × 2.4 inches) |
| Tow Mode Belt Battery | 12 Volts, 9 AH, 2.6 Kg (5.7 lbs) 160 × 80 × 100 mm (6.3 × 3.1 × 3.9 inches) |
| Grey SmartCart Battery | 12 Volts, 9 AH, 3.6 Kg (7.9 lbs) 240 × 190 × 110 mm (9.4 × 7.5 × 4.3 inches) |
| Battery Charger (for Belt & Grey SmartCart batteries) |
AC mains input: 100-240V, 1.5A, 50/60Hz Output: 12 Volts @ 1 Amp |
DVL Specifications
| Specifications | Values |
|---|---|
| Length | 24 cm (9.5 in) |
| Width | 24 cm (9.5 in) |
| Depth | 6.8 cm (2.7 in) |
| Weight | 2.75 kg (6.1 lb) |
| Input Power | 11-18V, 4A maximum |
| Power Consumption (with Control Module)* | 18 Watts, 1.5 Amps @ 12 volts |
| Screen | 8.0 inch diagonal, high-visibility, sunlight-readable LCD color display Resistive touchscreen (can be used with or without gloves) Adjustable backlighting 1500 NIT and 800:1 contrast ratio |
| Wireless | Integrated modules: Wi–Fi (IEEE 802.11 b,g,n) 2.4 GHz |
| Integrated Global Navigation Satellite System | Receives GPS/GLONASS (+/−10m) |
| Audio | Built–in speaker–85dBA speaker w/volume control |
| Storage | 8 GB Internal (see Internal Memory Data Capacity table below) |
| CPU Speed | Quad Core, 800 MHz |
| Ports | USB, RS232, 2 × 15–pin GPR ports, Odometer, Power |
| Temperature & Environmental | Ruggedized, environmentally sealed unit and connections. Ingress protection (IP) rating: Rated to IP65 under IEC 60529 Relative Humidity operation (non–condensing): 10–90% Operating temperature range: −30 to +50°C |
| Regulatory Specifications | EMC–FCC, CE, IC, ACA, RSM Safety–TUV, CE |
*The power specification represents average power consumption. Power profile varies at initial power-up, and under different operating conditions. Sensors & Software supplied batteries can manage the variation in power profile. Care should be taken if powering systems with another power source.
Internal Memory Data Capacity based on Antenna Frequency
| Frequency | Step Size (m) | Time Sampling Interval (ps) | Time Window (ns) | Approx. Depth (m) V=0.1 m/ns | Number of Points/Trace | Line Kilometers |
|---|---|---|---|---|---|---|
| 12.5 | 2 | 6400 | 2000 | 100 | 313 | 21,000 |
| 25 | 1 | 3200 | 1000 | 50 | 313 | 10,600 |
| 50 | 0.50 | 1600 | 500 | 25 | 313 | 5,300 |
| 100 | 0.25 | 800 | 200 | 10 | 250 | 3,100 |
| 200 | 0.10 | 400 | 100 | 5 | 250 | 1,270 |
| 250 | 0.05 | 400 | 60 | 3 | 150 | 930 |
| 500 | 0.02 | 200 | 40 | 2 | 200 | 300 |
| 1000 | 0.01 | 100 | 20 | 1 | 200 | 151 |
Case Studies
Glacier Mapping
Glaciers contain large volumes of fresh water. Mapping glaciers 3D shape indicate the volume of available water. This study highlights work by University of Calgary scientists engaged in mapping the volume of Stagnation Glacier in Canada.
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