مشخصات مگنتومتر
ENVI PRO
23,000 to 100,000 nT (gamma) |
total field operating range |
±1 nT (gamma) |
total field absolute accuracy |
0.1 nT (gamma) at 2 second sampling rate |
sensitivity |
Fully solid state. Manual or automatic, keyboard selectable Cycling (Reading) Rates 0.5, 1, 2, or 3 seconds |
tuning/Sampling |
Includes a second sensor, 0.5m (20 inch) staff extender and processor module |
Gradiometer option |
> 7000 nT (gamma)/m |
Gradient tolerance |
Continuous reading, cycling as fast as 0.5 seconds |
‘walkmag’ mode |
+/- 1m (Autonomous), < 1m WAAS Connects to most external GPS receivers with NMEA & PPS output |
supplied gps accuracy |
Total Field Measurements: 84,000 readings Gradiometer Measurements: 67,000 readings Base Station Measurements: 500,000 readings |
standard memory |
1 second resolution, ± 1 second stability over 24 hours or GPS time |
real-time clock |
RS-232C, USB Adapter |
digital data output |
Rechargeable, 2.9 Ah, lead-acid dry cell battery 12 Volts External 12 Volt input for base station operations |
Power supply |
-40°C to +60°C (-40°F to 140°F) |
Operating Temperat ure |
Console: 250mm x 152mm x 55mm (10" x 6" x 2.25") 2.45 kg (5.4 lbs) with rechargeable battery Magnetic 70mm d x 175mm (2.75"d x 7") Sensor: 1 kg (2.2 lbs) Gradiometer 70mm d x 675mm (2.75"d x 26.5") Sensor: (with staff extender) 1.15 kg (2.5 lbs) Sensor Staff: 25mm d x 2m (1"d x 76") 0.8 kg (1.75 lbs) |
dimensions & weight |
• Base Station Accessories Kit • Cold Weather Accessories • Additional Software Packages • Training Programs |
options |