Geonics Protem Digital Receiver - Specification

Receiver
PROTEM 58 Digital Receiver
Power
Internal 12V rechargeable battery, 8 hours continuous operation
Size
34 x 38 x 27 cm
Weight
15 kg (incl. battery)
Measured Quantity
Time rate of decay of magnetic flux
Sensor
Three orthogonal component sensor, sequential
Time Channels
20 or 30 geometrically spaced time gates, 6us to 800ms
Repitition Base (50Hz)
0.25, 0.625, 2.5, 6.25, 25, 62.5, 237.5Hz
Repitition Base (60Hz)
0.3, 0.75, 3, 7.5, 30, 75, 285Hz
Synchronization
Reference cable
Integration Time
0.25, 2, 4, 8, 15, 30, 60 and 120 seconds
Calibration
Internal self calibration
Gain
Manual control
Dynamic Range
29 bits (175dB)
Storage
Solid state memory with capacity for over 3000 data sets
Display
240 x 64 dot graphic LCD
Data Transfer
RS232
Operating Temperature
-40 to +50 C
Transmitter
PROTEM 47 Transmitter
Power source
Internal 12V rechargeable battery, 5 hours @ 2A output current
Size
11 x 25 x 32 cm
Weight
5.3 kg
Output Voltage
0 to 9V continuously variable (@ 1A load)
Output Current
3.5A maximum (7A pk-pk)
Current Waveform
Bipolar rectangular current with 50% duty cycle
Repitition Rate (50Hz)
25, 62.5, 237.5Hz
Repitition Rate (60Hz)
30, 75, 285Hz
Turn-off Time
Very fast linear turn-off, 2.5us @ 2A into 40x40 loop
Transmitter Loop
Any dimension from 5x5 to 200x200m. Multiturn loops possible
Receiver Coil
3D High Frequency
Effective Area
31.4 sq.m.
Bandwidth
700kHz